source: trunk/libs/newlib/src/newlib/libc/unix/dirname.c @ 559

#ifndef _NO_DIRNAME

/* Copyright 2005 Shaun Jackman
 * Permission to use, copy, modify, and distribute this software
 * is freely granted, provided that this notice is preserved.
 */

#include <libgen.h>
#include <string.h>

char *
dirname (char *path)
{
        char *p;
        if( path == NULL || *path == '\0' )
                return ".";
        p = path + strlen(path) - 1;
        while( *p == '/' ) {
                if( p == path )
                        return path;
                *p-- = '\0';
        }
        while( p >= path && *p != '/' )
                p--;
        return
                p < path ? "." :
                p == path ? "/" :
                (*p = '\0', path);
}

#endif /* !_NO_DIRNAME  */