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| 1 /* MI Option Parser. | 1 /* MI Option Parser. |
| 2 Copyright (C) 2000, 2007-2012 Free Software Foundation, Inc. | 2 Copyright (C) 2000-2013 Free Software Foundation, Inc. |
| 3 Contributed by Cygnus Solutions (a Red Hat company). | 3 Contributed by Cygnus Solutions (a Red Hat company). |
| 4 | 4 |
| 5 This file is part of GDB. | 5 This file is part of GDB. |
| 6 | 6 |
| 7 This program is free software; you can redistribute it and/or modify | 7 This program is free software; you can redistribute it and/or modify |
| 8 it under the terms of the GNU General Public License as published by | 8 it under the terms of the GNU General Public License as published by |
| 9 the Free Software Foundation; either version 3 of the License, or | 9 the Free Software Foundation; either version 3 of the License, or |
| 10 (at your option) any later version. | 10 (at your option) any later version. |
| 11 | 11 |
| 12 This program is distributed in the hope that it will be useful, | 12 This program is distributed in the hope that it will be useful, |
| (...skipping 26 matching lines...) Expand all Loading... |
| 39 On entry OPTIND contains the index of the next element of ARGV that | 39 On entry OPTIND contains the index of the next element of ARGV that |
| 40 needs parsing. OPTIND is updated to indicate the index of the next | 40 needs parsing. OPTIND is updated to indicate the index of the next |
| 41 argument before mi_getopt() returns. | 41 argument before mi_getopt() returns. |
| 42 | 42 |
| 43 If ARGV[OPTIND] is an option, that options INDEX is returned. | 43 If ARGV[OPTIND] is an option, that options INDEX is returned. |
| 44 OPTARG is set to the options argument or NULL. OPTIND is updated. | 44 OPTARG is set to the options argument or NULL. OPTIND is updated. |
| 45 | 45 |
| 46 If ARGV[OPTIND] is not an option, -1 is returned and OPTIND updated | 46 If ARGV[OPTIND] is not an option, -1 is returned and OPTIND updated |
| 47 to specify the non-option argument. OPTARG is set to NULL. | 47 to specify the non-option argument. OPTARG is set to NULL. |
| 48 | 48 |
| 49 mi_getopt() calls ``error("%s: Unknown option %c", prefix, | 49 If an unknown option is encountered, mi_getopt() calls |
| 50 option)'' if an unknown option is encountered. */ | 50 ``error("%s: Unknown option %c", prefix, option)'' while |
| 51 mi_getopt_allow_unknown returns -1. */ |
| 51 | 52 |
| 52 extern int mi_getopt (const char *prefix, int argc, char **argv, | 53 extern int mi_getopt (const char *prefix, int argc, char **argv, |
| 53 const struct mi_opt *opt, int *optind, char **optarg); | 54 const struct mi_opt *opt, int *optind, char **optarg); |
| 55 extern int mi_getopt_allow_unknown (const char *prefix, int argc, |
| 56 char **argv, const struct mi_opt *opts, |
| 57 int *oind, char **oarg); |
| 54 | 58 |
| 55 /* mi_valid_noargs determines if ARGC/ARGV are a valid set of | 59 /* mi_valid_noargs determines if ARGC/ARGV are a valid set of |
| 56 parameters to satisfy an MI function that is not supposed to | 60 parameters to satisfy an MI function that is not supposed to |
| 57 recieve any arguments. | 61 recieve any arguments. |
| 58 | 62 |
| 59 An MI function that should not receive arguments can still be | 63 An MI function that should not receive arguments can still be |
| 60 passed parameters after the special option '--' such as below. | 64 passed parameters after the special option '--' such as below. |
| 61 | 65 |
| 62 Example: The MI function -exec-run takes no args. | 66 Example: The MI function -exec-run takes no args. |
| 63 However, the client may pass '-exec-run -- -a ...' | 67 However, the client may pass '-exec-run -- -a ...' |
| 64 See PR-783 | 68 See PR-783 |
| 65 | 69 |
| 66 PREFIX is passed to mi_getopt for an error message. | 70 PREFIX is passed to mi_getopt for an error message. |
| 67 | 71 |
| 68 This function Returns 1 if the parameter pair ARGC/ARGV are valid | 72 This function Returns 1 if the parameter pair ARGC/ARGV are valid |
| 69 for an MI function that takes no arguments. Otherwise, it returns 0 | 73 for an MI function that takes no arguments. Otherwise, it returns 0 |
| 70 and the appropriate error message is displayed by mi_getopt. */ | 74 and the appropriate error message is displayed by mi_getopt. */ |
| 71 | 75 |
| 72 extern int mi_valid_noargs (const char *prefix, int argc, char **argv); | 76 extern int mi_valid_noargs (const char *prefix, int argc, char **argv); |
| 73 | 77 |
| 74 #endif | 78 #endif |
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