diff options
Diffstat (limited to 'gl/basename-lgpl.c')
| -rw-r--r-- | gl/basename-lgpl.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gl/basename-lgpl.c b/gl/basename-lgpl.c new file mode 100644 index 00000000..a35ff01c --- /dev/null +++ b/gl/basename-lgpl.c | |||
| @@ -0,0 +1,75 @@ | |||
| 1 | /* basename.c -- return the last element in a file name | ||
| 2 | |||
| 3 | Copyright (C) 1990, 1998-2001, 2003-2006, 2009-2010 Free Software | ||
| 4 | Foundation, Inc. | ||
| 5 | |||
| 6 | This program is free software: you can redistribute it and/or modify | ||
| 7 | it under the terms of the GNU General Public License as published by | ||
| 8 | the Free Software Foundation; either version 3 of the License, or | ||
| 9 | (at your option) any later version. | ||
| 10 | |||
| 11 | This program is distributed in the hope that it will be useful, | ||
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 | GNU General Public License for more details. | ||
| 15 | |||
| 16 | You should have received a copy of the GNU General Public License | ||
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | ||
| 18 | |||
| 19 | #include <config.h> | ||
| 20 | |||
| 21 | #include "dirname.h" | ||
| 22 | |||
| 23 | #include <string.h> | ||
| 24 | |||
| 25 | /* Return the address of the last file name component of NAME. If | ||
| 26 | NAME has no relative file name components because it is a file | ||
| 27 | system root, return the empty string. */ | ||
| 28 | |||
| 29 | char * | ||
| 30 | last_component (char const *name) | ||
| 31 | { | ||
| 32 | char const *base = name + FILE_SYSTEM_PREFIX_LEN (name); | ||
| 33 | char const *p; | ||
| 34 | bool saw_slash = false; | ||
| 35 | |||
| 36 | while (ISSLASH (*base)) | ||
| 37 | base++; | ||
| 38 | |||
| 39 | for (p = base; *p; p++) | ||
| 40 | { | ||
| 41 | if (ISSLASH (*p)) | ||
| 42 | saw_slash = true; | ||
| 43 | else if (saw_slash) | ||
| 44 | { | ||
| 45 | base = p; | ||
| 46 | saw_slash = false; | ||
| 47 | } | ||
| 48 | } | ||
| 49 | |||
| 50 | return (char *) base; | ||
| 51 | } | ||
| 52 | |||
| 53 | /* Return the length of the basename NAME. Typically NAME is the | ||
| 54 | value returned by base_name or last_component. Act like strlen | ||
| 55 | (NAME), except omit all trailing slashes. */ | ||
| 56 | |||
| 57 | size_t | ||
| 58 | base_len (char const *name) | ||
| 59 | { | ||
| 60 | size_t len; | ||
| 61 | size_t prefix_len = FILE_SYSTEM_PREFIX_LEN (name); | ||
| 62 | |||
| 63 | for (len = strlen (name); 1 < len && ISSLASH (name[len - 1]); len--) | ||
| 64 | continue; | ||
| 65 | |||
| 66 | if (DOUBLE_SLASH_IS_DISTINCT_ROOT && len == 1 | ||
| 67 | && ISSLASH (name[0]) && ISSLASH (name[1]) && ! name[2]) | ||
| 68 | return 2; | ||
| 69 | |||
| 70 | if (FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE && prefix_len | ||
| 71 | && len == prefix_len && ISSLASH (name[prefix_len])) | ||
| 72 | return prefix_len + 1; | ||
| 73 | |||
| 74 | return len; | ||
| 75 | } | ||
