annotate Python/getopt.c @ 52903:3889d9528601 2.6

Merged revisions 71058,71149-71150,71212,71214-71216,71222,71225,71234,71237-71238,71240-71241,71243,71249,71251 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r71058 | georg.brandl | 2009-04-02 20:09:04 +0200 (Do, 02 Apr 2009) | 3 lines PyErr_NormalizeException may not set an error, so convert the PyErr_SetObject call on hitting the recursion limit into just assigning it to the arguments provided. ........ r71149 | georg.brandl | 2009-04-04 15:42:39 +0200 (Sa, 04 Apr 2009) | 1 line #5642: clarify map() compatibility to the builtin. ........ r71150 | georg.brandl | 2009-04-04 15:45:49 +0200 (Sa, 04 Apr 2009) | 1 line #5601: clarify that webbrowser is not meant for file names. ........ r71212 | georg.brandl | 2009-04-05 12:24:20 +0200 (So, 05 Apr 2009) | 1 line #1742837: expand HTTP server docs, and fix SocketServer ones to document methods as methods, not functions. ........ r71214 | georg.brandl | 2009-04-05 12:29:57 +0200 (So, 05 Apr 2009) | 1 line Normalize spelling of Mac OS X. ........ r71215 | georg.brandl | 2009-04-05 12:32:26 +0200 (So, 05 Apr 2009) | 1 line Avoid sure signs of a diseased mind. ........ r71216 | georg.brandl | 2009-04-05 12:41:02 +0200 (So, 05 Apr 2009) | 1 line #1718017: document the relation of os.path and the posixpath, ntpath etc. modules better. ........ r71222 | georg.brandl | 2009-04-05 13:07:14 +0200 (So, 05 Apr 2009) | 1 line #5615: make it possible to configure --without-threads again. ........ r71225 | georg.brandl | 2009-04-05 13:54:07 +0200 (So, 05 Apr 2009) | 1 line #5580: no need to use parentheses when converterr() argument is actually a type description. ........ r71234 | georg.brandl | 2009-04-05 15:16:35 +0200 (So, 05 Apr 2009) | 1 line Whitespace normalization. ........ r71237 | georg.brandl | 2009-04-05 16:24:52 +0200 (So, 05 Apr 2009) | 1 line #1326077: fix traceback formatting of SyntaxErrors. This fixes two differences with formatting coming from Python: a) the reproduction of location details in the error message if no line text is given, b) the prefixing of the last line by one space. ........ r71238 | georg.brandl | 2009-04-05 16:25:41 +0200 (So, 05 Apr 2009) | 1 line Add NEWS entry for r71237. ........ r71240 | georg.brandl | 2009-04-05 16:40:06 +0200 (So, 05 Apr 2009) | 1 line #5370: doc update about unpickling objects with custom __getattr__ etc. methods. ........ r71241 | georg.brandl | 2009-04-05 16:48:49 +0200 (So, 05 Apr 2009) | 1 line #5471: fix expanduser() for $HOME set to "/". ........ r71243 | georg.brandl | 2009-04-05 17:14:29 +0200 (So, 05 Apr 2009) | 1 line #5432: make plistlib docstring a raw string, since it contains examples with backslash escapes. ........ r71249 | georg.brandl | 2009-04-05 18:30:43 +0200 (So, 05 Apr 2009) | 1 line #5444: adapt make.bat to new htmlhelp output file name. ........ r71251 | georg.brandl | 2009-04-05 19:17:42 +0200 (So, 05 Apr 2009) | 1 line #5298: clarify docs about GIL by using more consistent wording. ........
author Georg Brandl <georg@python.org>
date Sun, 05 Apr 2009 21:26:31 +0000
parents 7c21cc14b94f
children fd25030223b0
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1 /*---------------------------------------------------------------------------*
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2 * <RCS keywords>
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3 *
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4 * C++ Library
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5 *
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6 * Copyright 1992-1994, David Gottner
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7 *
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8 * All Rights Reserved
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9 *
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10 * Permission to use, copy, modify, and distribute this software and its
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11 * documentation for any purpose and without fee is hereby granted,
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12 * provided that the above copyright notice, this permission notice and
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13 * the following disclaimer notice appear unmodified in all copies.
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14 *
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15 * I DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL I
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17 * BE LIABLE FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
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18 * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER
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19 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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20 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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21 *
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22 * Nevertheless, I would like to know about bugs in this library or
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23 * suggestions for improvment. Send bug reports and feedback to
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24 * davegottner@delphi.com.
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25 *---------------------------------------------------------------------------*/
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27 /* Modified to support --help and --version, as well as /? on Windows
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28 * by Georg Brandl. */
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29
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30 #include <stdio.h>
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31 #include <string.h>
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32
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33 #ifdef __cplusplus
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34 extern "C" {
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35 #endif
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36
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37 int _PyOS_opterr = 1; /* generate error messages */
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38 int _PyOS_optind = 1; /* index into argv array */
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39 char *_PyOS_optarg = NULL; /* optional argument */
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41 int _PyOS_GetOpt(int argc, char **argv, char *optstring)
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42 {
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43 static char *opt_ptr = "";
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44 char *ptr;
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45 int option;
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46
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47 if (*opt_ptr == '\0') {
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48
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49 if (_PyOS_optind >= argc)
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50 return -1;
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51 #ifdef MS_WINDOWS
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52 else if (strcmp(argv[_PyOS_optind], "/?") == 0) {
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53 ++_PyOS_optind;
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54 return 'h';
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55 }
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56 #endif
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57
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58 else if (argv[_PyOS_optind][0] != '-' ||
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59 argv[_PyOS_optind][1] == '\0' /* lone dash */ )
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60 return -1;
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61
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62 else if (strcmp(argv[_PyOS_optind], "--") == 0) {
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63 ++_PyOS_optind;
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64 return -1;
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65 }
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66
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67 else if (strcmp(argv[_PyOS_optind], "--help") == 0) {
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68 ++_PyOS_optind;
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69 return 'h';
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70 }
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71
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72 else if (strcmp(argv[_PyOS_optind], "--version") == 0) {
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73 ++_PyOS_optind;
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74 return 'V';
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75 }
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78 opt_ptr = &argv[_PyOS_optind++][1];
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79 }
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81 if ( (option = *opt_ptr++) == '\0')
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82 return -1;
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83
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84 if (option == 'J') {
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85 fprintf(stderr, "-J is reserved for Jython\n");
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86 return '_';
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87 }
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88
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89 if (option == 'X') {
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90 fprintf(stderr,
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91 "-X is reserved for implementation-specific arguments\n");
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92 return '_';
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93 }
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94
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95 if ((ptr = strchr(optstring, option)) == NULL) {
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96 if (_PyOS_opterr)
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97 fprintf(stderr, "Unknown option: -%c\n", option);
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98
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99 return '_';
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100 }
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101
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102 if (*(ptr + 1) == ':') {
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103 if (*opt_ptr != '\0') {
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104 _PyOS_optarg = opt_ptr;
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105 opt_ptr = "";
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106 }
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107
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108 else {
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109 if (_PyOS_optind >= argc) {
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110 if (_PyOS_opterr)
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111 fprintf(stderr,
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112 "Argument expected for the -%c option\n", option);
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113 return '_';
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114 }
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115
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116 _PyOS_optarg = argv[_PyOS_optind++];
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117 }
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118 }
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119
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120 return option;
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7c75f60468f8 A getopt.c for your amusement
Guido van Rossum <guido@python.org>
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121 }
37655
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 15374
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122
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 15374
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123 #ifdef __cplusplus
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 15374
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124 }
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 15374
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125 #endif
2f3f2e32dfd9 spread the extern "C" { } magic pixie dust around. Python itself builds now
Anthony Baxter <anthonybaxter@gmail.com>
parents: 15374
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126