| 1 | /* Shared definition for glob and glob_pattern_p. |
| 2 | Copyright (C) 2017-2020 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 3 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef GLOB_INTERNAL_H |
| 20 | # define GLOB_INTERNAL_H |
| 21 | |
| 22 | enum |
| 23 | { |
| 24 | GLOBPAT_NONE = 0x0, |
| 25 | GLOBPAT_SPECIAL = 0x1, |
| 26 | GLOBPAT_BACKSLASH = 0x2, |
| 27 | GLOBPAT_BRACKET = 0x4 |
| 28 | }; |
| 29 | |
| 30 | static inline int |
| 31 | __glob_pattern_type (const char *pattern, int quote) |
| 32 | { |
| 33 | const char *p; |
| 34 | int ret = GLOBPAT_NONE; |
| 35 | |
| 36 | for (p = pattern; *p != '\0'; ++p) |
| 37 | switch (*p) |
| 38 | { |
| 39 | case '?': |
| 40 | case '*': |
| 41 | return GLOBPAT_SPECIAL; |
| 42 | |
| 43 | case '\\': |
| 44 | if (quote) |
| 45 | { |
| 46 | if (p[1] != '\0') |
| 47 | ++p; |
| 48 | ret |= GLOBPAT_BACKSLASH; |
| 49 | } |
| 50 | break; |
| 51 | |
| 52 | case '[': |
| 53 | ret |= GLOBPAT_BRACKET; |
| 54 | break; |
| 55 | |
| 56 | case ']': |
| 57 | if (ret & 4) |
| 58 | return GLOBPAT_SPECIAL; |
| 59 | break; |
| 60 | } |
| 61 | |
| 62 | return ret; |
| 63 | } |
| 64 | |
| 65 | #endif /* GLOB_INTERNAL_H */ |