/* * 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; }