annotate Modules/getpath.c @ 80661:94de77bd0b4b 2.7

Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents fa6e50208d93
children be3b4aa2ad28
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1 /* Return the initial module search path. */
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2
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3 #include "Python.h"
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4 #include "osdefs.h"
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5
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6 #include <sys/types.h>
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7 #include <string.h>
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8
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9 #ifdef __APPLE__
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10 #include <mach-o/dyld.h>
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11 #endif
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12
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13 /* Search in some common locations for the associated Python libraries.
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14 *
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15 * Two directories must be found, the platform independent directory
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16 * (prefix), containing the common .py and .pyc files, and the platform
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17 * dependent directory (exec_prefix), containing the shared library
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18 * modules. Note that prefix and exec_prefix can be the same directory,
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19 * but for some installations, they are different.
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20 *
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21 * Py_GetPath() carries out separate searches for prefix and exec_prefix.
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22 * Each search tries a number of different locations until a ``landmark''
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23 * file or directory is found. If no prefix or exec_prefix is found, a
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24 * warning message is issued and the preprocessor defined PREFIX and
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25 * EXEC_PREFIX are used (even though they will not work); python carries on
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26 * as best as is possible, but most imports will fail.
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27 *
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28 * Before any searches are done, the location of the executable is
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29 * determined. If argv[0] has one or more slashes in it, it is used
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30 * unchanged. Otherwise, it must have been invoked from the shell's path,
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31 * so we search $PATH for the named executable and use that. If the
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32 * executable was not found on $PATH (or there was no $PATH environment
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33 * variable), the original argv[0] string is used.
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34 *
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35 * Next, the executable location is examined to see if it is a symbolic
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36 * link. If so, the link is chased (correctly interpreting a relative
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37 * pathname if one is found) and the directory of the link target is used.
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38 *
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39 * Finally, argv0_path is set to the directory containing the executable
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40 * (i.e. the last component is stripped).
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41 *
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42 * With argv0_path in hand, we perform a number of steps. The same steps
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43 * are performed for prefix and for exec_prefix, but with a different
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44 * landmark.
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45 *
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46 * Step 1. Are we running python out of the build directory? This is
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47 * checked by looking for a different kind of landmark relative to
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48 * argv0_path. For prefix, the landmark's path is derived from the VPATH
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49 * preprocessor variable (taking into account that its value is almost, but
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50 * not quite, what we need). For exec_prefix, the landmark is
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51 * Modules/Setup. If the landmark is found, we're done.
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52 *
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53 * For the remaining steps, the prefix landmark will always be
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54 * lib/python$VERSION/os.py and the exec_prefix will always be
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55 * lib/python$VERSION/lib-dynload, where $VERSION is Python's version
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56 * number as supplied by the Makefile. Note that this means that no more
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57 * build directory checking is performed; if the first step did not find
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58 * the landmarks, the assumption is that python is running from an
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59 * installed setup.
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60 *
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61 * Step 2. See if the $PYTHONHOME environment variable points to the
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62 * installed location of the Python libraries. If $PYTHONHOME is set, then
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63 * it points to prefix and exec_prefix. $PYTHONHOME can be a single
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64 * directory, which is used for both, or the prefix and exec_prefix
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65 * directories separated by a colon.
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66 *
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67 * Step 3. Try to find prefix and exec_prefix relative to argv0_path,
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68 * backtracking up the path until it is exhausted. This is the most common
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69 * step to succeed. Note that if prefix and exec_prefix are different,
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70 * exec_prefix is more likely to be found; however if exec_prefix is a
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71 * subdirectory of prefix, both will be found.
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72 *
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73 * Step 4. Search the directories pointed to by the preprocessor variables
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74 * PREFIX and EXEC_PREFIX. These are supplied by the Makefile but can be
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75 * passed in as options to the configure script.
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76 *
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77 * That's it!
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78 *
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79 * Well, almost. Once we have determined prefix and exec_prefix, the
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80 * preprocessor variable PYTHONPATH is used to construct a path. Each
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81 * relative path on PYTHONPATH is prefixed with prefix. Then the directory
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82 * containing the shared library modules is appended. The environment
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83 * variable $PYTHONPATH is inserted in front of it all. Finally, the
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84 * prefix and exec_prefix globals are tweaked so they reflect the values
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85 * expected by other code, by stripping the "lib/python$VERSION/..." stuff
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86 * off. If either points to the build directory, the globals are reset to
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87 * the corresponding preprocessor variables (so sys.prefix will reflect the
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88 * installation location, even though sys.path points into the build
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89 * directory). This seems to make more sense given that currently the only
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90 * known use of sys.prefix and sys.exec_prefix is for the ILU installation
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91 * process to find the installed Python tree.
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92 */
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93
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94 #ifdef __cplusplus
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95 extern "C" {
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96 #endif
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97
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98
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99 #ifndef VERSION
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100 #define VERSION "2.1"
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101 #endif
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102
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103 #ifndef VPATH
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104 #define VPATH "."
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105 #endif
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106
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107 #ifndef PREFIX
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108 # ifdef __VMS
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109 # define PREFIX ""
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110 # else
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111 # define PREFIX "/usr/local"
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112 # endif
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113 #endif
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114
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115 #ifndef EXEC_PREFIX
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116 #define EXEC_PREFIX PREFIX
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117 #endif
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118
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119 #ifndef PYTHONPATH
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120 #define PYTHONPATH PREFIX "/lib/python" VERSION ":" \
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121 EXEC_PREFIX "/lib/python" VERSION "/lib-dynload"
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122 #endif
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123
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124 #ifndef LANDMARK
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125 #define LANDMARK "os.py"
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126 #endif
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127
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128 static char prefix[MAXPATHLEN+1];
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129 static char exec_prefix[MAXPATHLEN+1];
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130 static char progpath[MAXPATHLEN+1];
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parents: 4503
diff changeset
131 static char *module_search_path = NULL;
14907
d01394b0aa69 Minor ANSIfication: lib_python no longer needs to be initialized
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parents: 14898
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132 static char lib_python[] = "lib/python" VERSION;
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133
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parents: 4503
diff changeset
134 static void
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parents: 13256
diff changeset
135 reduce(char *dir)
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parents: 4503
diff changeset
136 {
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137 size_t i = strlen(dir);
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parents: 13256
diff changeset
138 while (i > 0 && dir[i] != SEP)
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parents: 13256
diff changeset
139 --i;
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diff changeset
140 dir[i] = '\0';
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parents: 4503
diff changeset
141 }
7117
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parents: 6823
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142
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
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parents: 6823
diff changeset
143
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parents: 4503
diff changeset
144 static int
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145 isfile(char *filename) /* Is file, not directory */
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parents: 4503
diff changeset
146 {
13428
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diff changeset
147 struct stat buf;
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parents: 13256
diff changeset
148 if (stat(filename, &buf) != 0)
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
149 return 0;
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parents: 13256
diff changeset
150 if (!S_ISREG(buf.st_mode))
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parents: 13256
diff changeset
151 return 0;
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parents: 13256
diff changeset
152 return 1;
7117
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Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
153 }
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
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parents: 6823
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154
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
155
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
156 static int
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diff changeset
157 ismodule(char *filename) /* Is module -- check for .pyc/.pyo too */
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158 {
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159 if (isfile(filename))
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160 return 1;
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161
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162 /* Check for the compiled version of prefix. */
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
163 if (strlen(filename) < MAXPATHLEN) {
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
164 strcat(filename, Py_OptimizeFlag ? "o" : "c");
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parents: 13256
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165 if (isfile(filename))
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166 return 1;
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parents: 13256
diff changeset
167 }
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diff changeset
168 return 0;
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169 }
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
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170
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
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parents: 6823
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171
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
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172 static int
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173 isxfile(char *filename) /* Is executable file */
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parents: 6823
diff changeset
174 {
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175 struct stat buf;
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Fred Drake <fdrake@acm.org>
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diff changeset
176 if (stat(filename, &buf) != 0)
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Fred Drake <fdrake@acm.org>
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177 return 0;
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178 if (!S_ISREG(buf.st_mode))
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179 return 0;
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diff changeset
180 if ((buf.st_mode & 0111) == 0)
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diff changeset
181 return 0;
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182 return 1;
7117
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183 }
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
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184
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
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parents: 6823
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185
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
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186 static int
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187 isdir(char *filename) /* Is directory */
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188 {
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diff changeset
189 struct stat buf;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
190 if (stat(filename, &buf) != 0)
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
191 return 0;
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
192 if (!S_ISDIR(buf.st_mode))
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193 return 0;
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194 return 1;
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195 }
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196
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parents: 4503
diff changeset
197
33038
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Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
198 /* Add a path component, by appending stuff to buffer.
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Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
199 buffer must have at least MAXPATHLEN + 1 bytes allocated, and contain a
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
200 NUL-terminated string with no more than MAXPATHLEN characters (not counting
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
201 the trailing NUL). It's a fatal error if it contains a string longer than
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
202 that (callers must be careful!). If these requirements are met, it's
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
203 guaranteed that buffer will still be a NUL-terminated string with no more
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
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parents: 32410
diff changeset
204 than MAXPATHLEN characters at exit. If stuff is too long, only as much of
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
205 stuff as fits will be appended.
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
206 */
5300
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207 static void
13428
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diff changeset
208 joinpath(char *buffer, char *stuff)
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diff changeset
209 {
13428
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diff changeset
210 size_t n, k;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
211 if (stuff[0] == SEP)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
212 n = 0;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
213 else {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
214 n = strlen(buffer);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
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parents: 13256
diff changeset
215 if (n > 0 && buffer[n-1] != SEP && n < MAXPATHLEN)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
216 buffer[n++] = SEP;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
217 }
33038
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
218 if (n > MAXPATHLEN)
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
219 Py_FatalError("buffer overflow in getpath.c's joinpath()");
13428
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diff changeset
220 k = strlen(stuff);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
221 if (n + k > MAXPATHLEN)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
222 k = MAXPATHLEN - n;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
223 strncpy(buffer+n, stuff, k);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
224 buffer[n+k] = '\0';
5300
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diff changeset
225 }
e77942562dd3 Completely revamped the way the default path is constructed.
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parents: 4503
diff changeset
226
20156
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diff changeset
227 /* copy_absolute requires that path be allocated at least
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
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parents: 19261
diff changeset
228 MAXPATHLEN + 1 bytes and that p be no more than MAXPATHLEN bytes. */
14845
88d3a8974409 fix bug #114290: when interpreter's argv[0] has a relative path make
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
229 static void
20156
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parents: 19261
diff changeset
230 copy_absolute(char *path, char *p)
14845
88d3a8974409 fix bug #114290: when interpreter's argv[0] has a relative path make
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
231 {
20156
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Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
232 if (p[0] == SEP)
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
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parents: 19261
diff changeset
233 strcpy(path, p);
14845
88d3a8974409 fix bug #114290: when interpreter's argv[0] has a relative path make
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
234 else {
65170
fa6e50208d93 copy_absolute(): keep the relative path if getcwd() failed
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63170
diff changeset
235 if (!getcwd(path, MAXPATHLEN)) {
fa6e50208d93 copy_absolute(): keep the relative path if getcwd() failed
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63170
diff changeset
236 /* unable to get the current directory */
fa6e50208d93 copy_absolute(): keep the relative path if getcwd() failed
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63170
diff changeset
237 strcpy(path, p);
fa6e50208d93 copy_absolute(): keep the relative path if getcwd() failed
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63170
diff changeset
238 return;
fa6e50208d93 copy_absolute(): keep the relative path if getcwd() failed
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63170
diff changeset
239 }
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
240 if (p[0] == '.' && p[1] == SEP)
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
241 p += 2;
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
242 joinpath(path, p);
14845
88d3a8974409 fix bug #114290: when interpreter's argv[0] has a relative path make
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
243 }
88d3a8974409 fix bug #114290: when interpreter's argv[0] has a relative path make
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
244 }
5300
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
245
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
246 /* absolutize() requires that path be allocated at least MAXPATHLEN+1 bytes. */
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
247 static void
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
248 absolutize(char *path)
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
249 {
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
250 char buffer[MAXPATHLEN + 1];
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
251
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
252 if (path[0] == SEP)
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
253 return;
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
254 copy_absolute(buffer, path);
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
255 strcpy(path, buffer);
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
256 }
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
257
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
258 /* search_for_prefix requires that argv0_path be no more than MAXPATHLEN
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
259 bytes long.
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
260 */
5300
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
261 static int
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
262 search_for_prefix(char *argv0_path, char *home)
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
263 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
264 size_t n;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
265 char *vpath;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
266
13428
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
267 /* If PYTHONHOME is set, we believe it unconditionally */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
268 if (home) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
269 char *delim;
14898
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
270 strncpy(prefix, home, MAXPATHLEN);
13428
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
271 delim = strchr(prefix, DELIM);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
272 if (delim)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
273 *delim = '\0';
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
274 joinpath(prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
275 joinpath(prefix, LANDMARK);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
276 return 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
277 }
12775
8e2b35d386aa Patch from M.-A. Lemburg:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
278
13428
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
279 /* Check to see if argv[0] is in the build directory */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
280 strcpy(prefix, argv0_path);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
281 joinpath(prefix, "Modules/Setup");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
282 if (isfile(prefix)) {
16222
a0e46c3be63e Build now happens in toplevel directory, not Modules. Don't monkey with
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 16147
diff changeset
283 /* Check VPATH to see if argv0_path is in the build directory. */
13428
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
284 vpath = VPATH;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
285 strcpy(prefix, argv0_path);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
286 joinpath(prefix, vpath);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
287 joinpath(prefix, "Lib");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
288 joinpath(prefix, LANDMARK);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
289 if (ismodule(prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
290 return -1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
291 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
292
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
293 /* Search from argv0_path, until root is found */
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
294 copy_absolute(prefix, argv0_path);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
295 do {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
296 n = strlen(prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
297 joinpath(prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
298 joinpath(prefix, LANDMARK);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
299 if (ismodule(prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
300 return 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
301 prefix[n] = '\0';
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
302 reduce(prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
303 } while (prefix[0]);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
304
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
305 /* Look at configure's PREFIX */
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
306 strncpy(prefix, PREFIX, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
307 joinpath(prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
308 joinpath(prefix, LANDMARK);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
309 if (ismodule(prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
310 return 1;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
311
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
312 /* Fail */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
313 return 0;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
314 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
315
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
316
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
317 /* search_for_exec_prefix requires that argv0_path be no more than
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
318 MAXPATHLEN bytes long.
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
319 */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
320 static int
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
321 search_for_exec_prefix(char *argv0_path, char *home)
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
322 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
323 size_t n;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
324
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
325 /* If PYTHONHOME is set, we believe it unconditionally */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
326 if (home) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
327 char *delim;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
328 delim = strchr(home, DELIM);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
329 if (delim)
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
330 strncpy(exec_prefix, delim+1, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
331 else
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
332 strncpy(exec_prefix, home, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
333 joinpath(exec_prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
334 joinpath(exec_prefix, "lib-dynload");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
335 return 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
336 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
337
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
338 /* Check to see if argv[0] is in the build directory */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
339 strcpy(exec_prefix, argv0_path);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
340 joinpath(exec_prefix, "Modules/Setup");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
341 if (isfile(exec_prefix)) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
342 reduce(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
343 return -1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
344 }
12775
8e2b35d386aa Patch from M.-A. Lemburg:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
345
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
346 /* Search from argv0_path, until root is found */
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
347 copy_absolute(exec_prefix, argv0_path);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
348 do {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
349 n = strlen(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
350 joinpath(exec_prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
351 joinpath(exec_prefix, "lib-dynload");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
352 if (isdir(exec_prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
353 return 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
354 exec_prefix[n] = '\0';
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
355 reduce(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
356 } while (exec_prefix[0]);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
357
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
358 /* Look at configure's EXEC_PREFIX */
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
359 strncpy(exec_prefix, EXEC_PREFIX, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
360 joinpath(exec_prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
361 joinpath(exec_prefix, "lib-dynload");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
362 if (isdir(exec_prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
363 return 1;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
364
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
365 /* Fail */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
366 return 0;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
367 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
368
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
369
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
370 static void
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
371 calculate_path(void)
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
372 {
13667
a6c7bfdd6777 Even more ANSIfication: fix as many function pointers and declarations as
Thomas Wouters <thomas@python.org>
parents: 13651
diff changeset
373 extern char *Py_GetProgramName(void);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
374
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
375 static char delimiter[2] = {DELIM, '\0'};
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
376 static char separator[2] = {SEP, '\0'};
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
377 char *pythonpath = PYTHONPATH;
18808
a8b1acc7a21f Add -E command line switch (ignore environment variables like PYTHONHOME
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 16222
diff changeset
378 char *rtpypath = Py_GETENV("PYTHONPATH");
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
379 char *home = Py_GetPythonHome();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
380 char *path = getenv("PATH");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
381 char *prog = Py_GetProgramName();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
382 char argv0_path[MAXPATHLEN+1];
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
383 char zip_path[MAXPATHLEN+1];
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
384 int pfound, efound; /* 1 if found; -1 if found build directory */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
385 char *buf;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
386 size_t bufsz;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
387 size_t prefixsz;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
388 char *defpath = pythonpath;
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
389 #ifdef WITH_NEXT_FRAMEWORK
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
390 NSModule pythonModule;
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
391 #endif
32229
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
392 #ifdef __APPLE__
36205
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
393 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
35578
c28d0ed86ff0 Change type on variable to silence gcc 4 warning. Call signature was found at
Brett Cannon <bcannon@gmail.com>
parents: 33038
diff changeset
394 uint32_t nsexeclength = MAXPATHLEN;
36205
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
395 #else
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
396 unsigned long nsexeclength = MAXPATHLEN;
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
397 #endif
32229
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
398 #endif
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
399
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
400 /* If there is no slash in the argv0 path, then we have to
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
401 * assume python is on the user's $PATH, since there's no
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
402 * other way to find a directory to start the search from. If
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
403 * $PATH isn't exported, you lose.
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
404 */
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
405 if (strchr(prog, SEP))
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
406 strncpy(progpath, prog, MAXPATHLEN);
32229
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
407 #ifdef __APPLE__
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
408 /* On Mac OS X, if a script uses an interpreter of the form
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
409 * "#!/opt/python2.3/bin/python", the kernel only passes "python"
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
410 * as argv[0], which falls through to the $PATH search below.
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
411 * If /opt/python2.3/bin isn't in your path, or is near the end,
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
412 * this algorithm may incorrectly find /usr/bin/python. To work
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
413 * around this, we can use _NSGetExecutablePath to get a better
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
414 * hint of what the intended interpreter was, although this
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
415 * will fail if a relative path was used. but in that case,
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
416 * absolutize() should help us out below
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
417 */
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
418 else if(0 == _NSGetExecutablePath(progpath, &nsexeclength) && progpath[0] == SEP)
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
419 ;
32399
472023d0a10d Change comment from C++ style to C.
Brett Cannon <bcannon@gmail.com>
parents: 32229
diff changeset
420 #endif /* __APPLE__ */
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
421 else if (path) {
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
422 while (1) {
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
423 char *delim = strchr(path, DELIM);
21141
51b4572cf013 Changed logic for finding python home in Mac OS X framework Pythons.
Jack Jansen <jack.jansen@cwi.nl>
parents: 20156
diff changeset
424
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
425 if (delim) {
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
426 size_t len = delim - path;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
427 if (len > MAXPATHLEN)
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
428 len = MAXPATHLEN;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
429 strncpy(progpath, path, len);
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
430 *(progpath + len) = '\0';
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
431 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
432 else
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
433 strncpy(progpath, path, MAXPATHLEN);
21141
51b4572cf013 Changed logic for finding python home in Mac OS X framework Pythons.
Jack Jansen <jack.jansen@cwi.nl>
parents: 20156
diff changeset
434
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
435 joinpath(progpath, prog);
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
436 if (isxfile(progpath))
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
437 break;
21141
51b4572cf013 Changed logic for finding python home in Mac OS X framework Pythons.
Jack Jansen <jack.jansen@cwi.nl>
parents: 20156
diff changeset
438
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
439 if (!delim) {
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
440 progpath[0] = '\0';
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
441 break;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
442 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
443 path = delim + 1;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
444 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
445 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
446 else
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
447 progpath[0] = '\0';
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
448 if (progpath[0] != SEP && progpath[0] != '\0')
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
449 absolutize(progpath);
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
450 strncpy(argv0_path, progpath, MAXPATHLEN);
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
451 argv0_path[MAXPATHLEN] = '\0';
21141
51b4572cf013 Changed logic for finding python home in Mac OS X framework Pythons.
Jack Jansen <jack.jansen@cwi.nl>
parents: 20156
diff changeset
452
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
453 #ifdef WITH_NEXT_FRAMEWORK
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
454 /* On Mac OS X we have a special case if we're running from a framework.
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
455 ** This is because the python home should be set relative to the library,
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
456 ** which is in the framework, not relative to the executable, which may
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
457 ** be outside of the framework. Except when we're in the build directory...
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
458 */
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
459 pythonModule = NSModuleForSymbol(NSLookupAndBindSymbol("_Py_Initialize"));
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
460 /* Use dylib functions to find out where the framework was loaded from */
26764
6b31b26e418d Squashed compiler warnings by adding casts, making sure prototypes are in
Jack Jansen <jack.jansen@cwi.nl>
parents: 26550
diff changeset
461 buf = (char *)NSLibraryNameForModule(pythonModule);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
462 if (buf != NULL) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
463 /* We're in a framework. */
19261
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
464 /* See if we might be in the build directory. The framework in the
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
465 ** build directory is incomplete, it only has the .dylib and a few
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
466 ** needed symlinks, it doesn't have the Lib directories and such.
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
467 ** If we're running with the framework from the build directory we must
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
468 ** be running the interpreter in the build directory, so we use the
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
469 ** build-directory-specific logic to find Lib and such.
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
470 */
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
471 strncpy(argv0_path, buf, MAXPATHLEN);
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
472 reduce(argv0_path);
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
473 joinpath(argv0_path, lib_python);
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
474 joinpath(argv0_path, LANDMARK);
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
475 if (!ismodule(argv0_path)) {
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
476 /* We are in the build directory so use the name of the
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
477 executable - we know that the absolute path is passed */
63170
97b841b3b0b4 Merged revisions 83096 via svnmerge from
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 61463
diff changeset
478 strncpy(argv0_path, progpath, MAXPATHLEN);
19261
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
479 }
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
480 else {
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
481 /* Use the location of the library as the progpath */
21141
51b4572cf013 Changed logic for finding python home in Mac OS X framework Pythons.
Jack Jansen <jack.jansen@cwi.nl>
parents: 20156
diff changeset
482 strncpy(argv0_path, buf, MAXPATHLEN);
19261
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
483 }
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
484 }
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
485 #endif
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
486
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
487 #if HAVE_READLINK
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
488 {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
489 char tmpbuffer[MAXPATHLEN+1];
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
490 int linklen = readlink(progpath, tmpbuffer, MAXPATHLEN);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
491 while (linklen != -1) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
492 /* It's not null terminated! */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
493 tmpbuffer[linklen] = '\0';
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
494 if (tmpbuffer[0] == SEP)
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
495 /* tmpbuffer should never be longer than MAXPATHLEN,
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
496 but extra check does not hurt */
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
497 strncpy(argv0_path, tmpbuffer, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
498 else {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
499 /* Interpret relative to progpath */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
500 reduce(argv0_path);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
501 joinpath(argv0_path, tmpbuffer);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
502 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
503 linklen = readlink(argv0_path, tmpbuffer, MAXPATHLEN);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
504 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
505 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
506 #endif /* HAVE_READLINK */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
507
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
508 reduce(argv0_path);
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
509 /* At this point, argv0_path is guaranteed to be less than
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
510 MAXPATHLEN bytes long.
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
511 */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
512
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
513 if (!(pfound = search_for_prefix(argv0_path, home))) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
514 if (!Py_FrozenFlag)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
515 fprintf(stderr,
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
516 "Could not find platform independent libraries <prefix>\n");
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
517 strncpy(prefix, PREFIX, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
518 joinpath(prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
519 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
520 else
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
521 reduce(prefix);
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
522
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
523 strncpy(zip_path, prefix, MAXPATHLEN);
26944
beea42152787 Make sure zip_path is null-terminated, since it's on the stack
Neal Norwitz <nnorwitz@gmail.com>
parents: 26885
diff changeset
524 zip_path[MAXPATHLEN] = '\0';
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
525 if (pfound > 0) { /* Use the reduced prefix returned by Py_GetPrefix() */
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
526 reduce(zip_path);
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
527 reduce(zip_path);
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
528 }
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
529 else
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
530 strncpy(zip_path, PREFIX, MAXPATHLEN);
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
531 joinpath(zip_path, "lib/python00.zip");
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
532 bufsz = strlen(zip_path); /* Replace "00" with version */
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
533 zip_path[bufsz - 6] = VERSION[0];
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
534 zip_path[bufsz - 5] = VERSION[2];
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
535
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
536 if (!(efound = search_for_exec_prefix(argv0_path, home))) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
537 if (!Py_FrozenFlag)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
538 fprintf(stderr,
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
539 "Could not find platform dependent libraries <exec_prefix>\n");
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
540 strncpy(exec_prefix, EXEC_PREFIX, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
541 joinpath(exec_prefix, "lib/lib-dynload");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
542 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
543 /* If we found EXEC_PREFIX do *not* reduce it! (Yet.) */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
544
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
545 if ((!pfound || !efound) && !Py_FrozenFlag)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
546 fprintf(stderr,
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
547 "Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]\n");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
548
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
549 /* Calculate size of return buffer.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
550 */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
551 bufsz = 0;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
552
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
553 if (rtpypath)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
554 bufsz += strlen(rtpypath) + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
555
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
556 prefixsz = strlen(prefix) + 1;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
557
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
558 while (1) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
559 char *delim = strchr(defpath, DELIM);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
560
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
561 if (defpath[0] != SEP)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
562 /* Paths are relative to prefix */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
563 bufsz += prefixsz;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
564
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
565 if (delim)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
566 bufsz += delim - defpath + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
567 else {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
568 bufsz += strlen(defpath) + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
569 break;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
570 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
571 defpath = delim + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
572 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
573
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
574 bufsz += strlen(zip_path) + 1;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
575 bufsz += strlen(exec_prefix) + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
576
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
577 /* This is the only malloc call in this file */
37607
480a5625e286 Some more changes to make code compile under a C++ compiler.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 36623
diff changeset
578 buf = (char *)PyMem_Malloc(bufsz);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
579
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
580 if (buf == NULL) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
581 /* We can't exit, so print a warning and limp along */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
582 fprintf(stderr, "Not enough memory for dynamic PYTHONPATH.\n");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
583 fprintf(stderr, "Using default static PYTHONPATH.\n");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
584 module_search_path = PYTHONPATH;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
585 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
586 else {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
587 /* Run-time value of $PYTHONPATH goes first */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
588 if (rtpypath) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
589 strcpy(buf, rtpypath);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
590 strcat(buf, delimiter);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
591 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
592 else
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
593 buf[0] = '\0';
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
594
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
595 /* Next is the default zip path */
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
596 strcat(buf, zip_path);
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
597 strcat(buf, delimiter);
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
598
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
599 /* Next goes merge of compile-time $PYTHONPATH with
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
600 * dynamically located prefix.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
601 */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
602 defpath = pythonpath;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
603 while (1) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
604 char *delim = strchr(defpath, DELIM);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
605
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
606 if (defpath[0] != SEP) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
607 strcat(buf, prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
608 strcat(buf, separator);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
609 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
610
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
611 if (delim) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
612 size_t len = delim - defpath + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
613 size_t end = strlen(buf) + len;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
614 strncat(buf, defpath, len);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
615 *(buf + end) = '\0';
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
616 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
617 else {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
618 strcat(buf, defpath);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
619 break;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
620 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
621 defpath = delim + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
622 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
623 strcat(buf, delimiter);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
624
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
625 /* Finally, on goes the directory for dynamic-load modules */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
626 strcat(buf, exec_prefix);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
627
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
628 /* And publish the results */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
629 module_search_path = buf;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
630 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
631
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
632 /* Reduce prefix and exec_prefix to their essence,
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
633 * e.g. /usr/local/lib/python1.5 is reduced to /usr/local.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
634 * If we're loading relative to the build directory,
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
635 * return the compiled-in defaults instead.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
636 */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
637 if (pfound > 0) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
638 reduce(prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
639 reduce(prefix);
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
640 /* The prefix is the root directory, but reduce() chopped
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
641 * off the "/". */
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
642 if (!prefix[0])
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
643 strcpy(prefix, separator);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
644 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
645 else
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
646 strncpy(prefix, PREFIX, MAXPATHLEN);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
647
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
648 if (efound > 0) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
649 reduce(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
650 reduce(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
651 reduce(exec_prefix);
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
652 if (!exec_prefix[0])
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 59508
diff changeset
653 strcpy(exec_prefix, separator);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
654 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
655 else
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
656 strncpy(exec_prefix, EXEC_PREFIX, MAXPATHLEN);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
657 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
658
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
659
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
660 /* External interface */
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
661
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
662 char *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
663 Py_GetPath(void)
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
664 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
665 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
666 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
667 return module_search_path;
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
668 }
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
669
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
670 char *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
671 Py_GetPrefix(void)
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
672 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
673 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
674 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
675 return prefix;
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
676 }
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
677
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
678 char *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
679 Py_GetExecPrefix(void)
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
680 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
681 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
682 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
683 return exec_prefix;
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
684 }
5568
139ab21d2629 Make delimiter and separator static for K&R C.
Guido van Rossum <guido@python.org>
parents: 5500
diff changeset
685
139ab21d2629 Make delimiter and separator static for K&R C.
Guido van Rossum <guido@python.org>
parents: 5500
diff changeset
686 char *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
687 Py_GetProgramFullPath(void)
5568
139ab21d2629 Make delimiter and separator static for K&R C.
Guido van Rossum <guido@python.org>
parents: 5500
diff changeset
688 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
689 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
690 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
691 return progpath;
5568
139ab21d2629 Make delimiter and separator static for K&R C.
Guido van Rossum <guido@python.org>
parents: 5500
diff changeset
692 }
37655
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37607
diff changeset
693
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37607
diff changeset
694
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37607
diff changeset
695 #ifdef __cplusplus
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37607
diff changeset
696 }
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37607
diff changeset
697 #endif
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37607
diff changeset
698