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/*
* 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.
*/
#define __need_NULL
#include <stddef.h>
#include <libgen.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;
}
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