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annotate Python/getopt.c @ 42132:863ed7cd45dc

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Merged revisions 56020-56124 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/p3yk ................ r56037 | georg.brandl | 2007-06-19 05:33:20 -0700 (Tue, 19 Jun 2007) | 2 lines Patch #1739659: don't slice dict.keys() in pydoc. ................ r56060 | martin.v.loewis | 2007-06-21 13:00:02 -0700 (Thu, 21 Jun 2007) | 2 lines Regenerate to add True, False, None. ................ r56069 | neal.norwitz | 2007-06-21 22:31:56 -0700 (Thu, 21 Jun 2007) | 1 line Get the doctest working again after adding None, True, and False as kewyords. ................ r56070 | neal.norwitz | 2007-06-21 23:25:33 -0700 (Thu, 21 Jun 2007) | 1 line Add space to error message. ................ r56071 | neal.norwitz | 2007-06-21 23:40:04 -0700 (Thu, 21 Jun 2007) | 6 lines Get pybench working, primarily * Use print function * Stop using string module * Use sorted instead of assuming dict methods return lists * Convert range result to a list ................ r56089 | collin.winter | 2007-06-26 10:31:48 -0700 (Tue, 26 Jun 2007) | 1 line Fix AttributeError in distutils/dir_util.py. ................ r56124 | guido.van.rossum | 2007-06-29 18:04:31 -0700 (Fri, 29 Jun 2007) | 30 lines Merged revisions 56014-56123 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r56019 | lars.gustaebel | 2007-06-18 04:42:11 -0700 (Mon, 18 Jun 2007) | 2 lines Added exclude keyword argument to the TarFile.add() method. ........ r56023 | lars.gustaebel | 2007-06-18 13:05:55 -0700 (Mon, 18 Jun 2007) | 3 lines Added missing \versionchanged tag for the new exclude parameter. ........ r56038 | georg.brandl | 2007-06-19 05:36:00 -0700 (Tue, 19 Jun 2007) | 2 lines Bug #1737864: allow empty message in logging format routines. ........ r56040 | georg.brandl | 2007-06-19 05:38:20 -0700 (Tue, 19 Jun 2007) | 2 lines Bug #1739115: make shutil.rmtree docs clear wrt. file deletion. ........ r56084 | georg.brandl | 2007-06-25 08:21:23 -0700 (Mon, 25 Jun 2007) | 2 lines Bug #1742901: document None behavior of shlex.split. ........ r56091 | georg.brandl | 2007-06-27 07:09:56 -0700 (Wed, 27 Jun 2007) | 2 lines Fix a variable name in winreg docs. ........ ................
author Guido van Rossum <guido@python.org>
date Sat, 30 Jun 2007 05:01:58 +0000
parents 654c380cf8b9
children c1fa2e758e05 22a74eaf6b22
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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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26
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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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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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76
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78 opt_ptr = &argv[_PyOS_optind++][1];
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79 }
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80
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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 ((ptr = strchr(optstring, option)) == NULL) {
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85 if (_PyOS_opterr)
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86 fprintf(stderr, "Unknown option: -%c\n", option);
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88 return '_';
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89 }
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91 if (*(ptr + 1) == ':') {
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92 if (*opt_ptr != '\0') {
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93 _PyOS_optarg = opt_ptr;
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94 opt_ptr = "";
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95 }
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96
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97 else {
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98 if (_PyOS_optind >= argc) {
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99 if (_PyOS_opterr)
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100 fprintf(stderr,
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101 "Argument expected for the -%c option\n", option);
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102 return '_';
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103 }
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104
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105 _PyOS_optarg = argv[_PyOS_optind++];
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106 }
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107 }
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108
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109 return option;
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110 }
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111
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112 #ifdef __cplusplus
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113 }
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114 #endif
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115