Mercurial > cpython-lru_cache-weakref
annotate Python/getopt.c @ 53787:c6376d3fa968
Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
| author | Eric Smith <eric@trueblade.com> |
|---|---|
| date | Tue, 05 May 2009 14:04:18 +0000 |
| parents | 981df13aab20 |
| children | cab14be0ada1 |
| rev | line source |
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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 <Python.h> |
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31 #include <stdio.h> |
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32 #include <string.h> |
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33 #include <wchar.h> |
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34 #include <pygetopt.h> |
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35 |
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36 #ifdef __cplusplus |
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37 extern "C" { |
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38 #endif |
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39 |
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40 int _PyOS_opterr = 1; /* generate error messages */ |
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41 int _PyOS_optind = 1; /* index into argv array */ |
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42 wchar_t *_PyOS_optarg = NULL; /* optional argument */ |
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43 |
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44 int _PyOS_GetOpt(int argc, wchar_t **argv, wchar_t *optstring) |
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45 { |
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46 static wchar_t *opt_ptr = L""; |
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47 wchar_t *ptr; |
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48 wchar_t option; |
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49 |
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50 if (*opt_ptr == '\0') { |
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51 |
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52 if (_PyOS_optind >= argc) |
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53 return -1; |
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54 #ifdef MS_WINDOWS |
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55 else if (wcscmp(argv[_PyOS_optind], L"/?") == 0) { |
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56 ++_PyOS_optind; |
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57 return 'h'; |
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58 } |
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59 #endif |
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60 |
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61 else if (argv[_PyOS_optind][0] != L'-' || |
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62 argv[_PyOS_optind][1] == L'\0' /* lone dash */ ) |
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63 return -1; |
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64 |
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65 else if (wcscmp(argv[_PyOS_optind], L"--") == 0) { |
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66 ++_PyOS_optind; |
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67 return -1; |
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68 } |
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69 |
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70 else if (wcscmp(argv[_PyOS_optind], L"--help") == 0) { |
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71 ++_PyOS_optind; |
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72 return 'h'; |
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73 } |
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74 |
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75 else if (wcscmp(argv[_PyOS_optind], L"--version") == 0) { |
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76 ++_PyOS_optind; |
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77 return 'V'; |
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78 } |
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79 |
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80 |
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81 opt_ptr = &argv[_PyOS_optind++][1]; |
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82 } |
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83 |
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84 if ( (option = *opt_ptr++) == L'\0') |
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85 return -1; |
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87 if (option == 'J') { |
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88 fprintf(stderr, "-J is reserved for Jython\n"); |
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89 return '_'; |
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90 } |
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92 if (option == 'X') { |
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93 fprintf(stderr, |
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94 "-X is reserved for implementation-specific arguments\n"); |
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95 return '_'; |
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96 } |
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98 if ((ptr = wcschr(optstring, option)) == NULL) { |
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99 if (_PyOS_opterr) |
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100 fprintf(stderr, "Unknown option: -%c\n", (char)option); |
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102 return '_'; |
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103 } |
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104 |
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105 if (*(ptr + 1) == L':') { |
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106 if (*opt_ptr != L'\0') { |
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107 _PyOS_optarg = opt_ptr; |
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108 opt_ptr = L""; |
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109 } |
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110 |
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111 else { |
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112 if (_PyOS_optind >= argc) { |
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113 if (_PyOS_opterr) |
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114 fprintf(stderr, |
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115 "Argument expected for the -%c option\n", (char)option); |
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116 return '_'; |
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117 } |
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118 |
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119 _PyOS_optarg = argv[_PyOS_optind++]; |
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120 } |
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121 } |
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123 return option; |
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124 } |
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125 |
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126 #ifdef __cplusplus |
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127 } |
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128 #endif |
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129 |
