yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2002 Manuel Novoa III |
| 3 | * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> |
| 4 | * |
| 5 | * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| 6 | */ |
| 7 | |
| 8 | #include "_string.h" |
| 9 | #include <libgen.h> |
| 10 | |
| 11 | char *__xpg_basename(register char *path) |
| 12 | { |
| 13 | static const char null_or_empty[] = "."; |
| 14 | char *first; |
| 15 | register char *last; |
| 16 | |
| 17 | first = (char *) null_or_empty; |
| 18 | |
| 19 | if (path && *path) { |
| 20 | first = path; |
| 21 | last = path - 1; |
| 22 | |
| 23 | do { |
| 24 | if ((*path != '/') && (path > ++last)) { |
| 25 | last = first = path; |
| 26 | } |
| 27 | } while (*++path); |
| 28 | |
| 29 | if (*first == '/') { |
| 30 | last = first; |
| 31 | } |
| 32 | last[1] = 0; |
| 33 | } |
| 34 | |
| 35 | return first; |
| 36 | } |