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| author | "Steven J. Hill" <sjhill@realitydiluted.com> | 2006-01-07 02:32:27 +0000 |
|---|---|---|
| committer | "Steven J. Hill" <sjhill@realitydiluted.com> | 2006-01-07 02:32:27 +0000 |
| commit | e523bd15353350c3480b8a1820a0944b0fa8212e (patch) | |
| tree | 60485116f9c62c306bb753f12f9d4eb79d16aa4e /libc/string/dirname.c | |
| parent | 3b3434516a3415d7e0f4e1d50c553876dcb337b2 (diff) | |
| download | uClibc-alpine-e523bd15353350c3480b8a1820a0944b0fa8212e.tar.bz2 uClibc-alpine-e523bd15353350c3480b8a1820a0944b0fa8212e.tar.xz | |
Big fricking merge from trunk.
Diffstat (limited to 'libc/string/dirname.c')
| -rw-r--r-- | libc/string/dirname.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libc/string/dirname.c b/libc/string/dirname.c new file mode 100644 index 000000000..a6242e238 --- /dev/null +++ b/libc/string/dirname.c @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2002 Manuel Novoa III + * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include "_string.h" + +char *dirname(char *path) +{ + static const char null_or_empty_or_noslash[] = "."; + register char *s; + register char *last; + char *first; + + last = s = path; + + if (s != NULL) { + + LOOP: + while (*s && (*s != '/')) ++s; + first = s; + while (*s == '/') ++s; + if (*s) { + last = first; + goto LOOP; + } + + if (last == path) { + if (*last != '/') { + goto DOT; + } + if ((*++last == '/') && (last[1] == 0)) { + ++last; + } + } + *last = 0; + return path; + } + DOT: + return (char *) null_or_empty_or_noslash; +} |