utils/src/basename.c

61 lines
1.4 KiB
C

/* $Id$ */
/* Copyright (c) 2007 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Unix utils */
/* utils is not free software; you can redistribute it and/or modify it under
* the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0
* Unported as published by the Creative Commons organization.
*
* utils is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the Creative Commons Attribution-NonCommercial-
* ShareAlike 3.0 Unported license for more details.
*
* You should have received a copy of the Creative Commons Attribution-
* NonCommercial-ShareAlike 3.0 along with utils; if not, browse to
* http://creativecommons.org/licenses/by-nc-sa/3.0/ */
#include <libgen.h>
#include <stdio.h>
#include <string.h>
/* basename */
static int _basename(char * arg, char * suf)
{
char * str;
int slen;
int alen;
str = basename(arg);
if(suf != NULL)
{
slen = strlen(str);
alen = strlen(suf);
if(alen < slen && strcmp(suf, &str[slen - alen]) == 0)
str[slen - alen] = '\0';
}
printf("%s\n", str);
return 0;
}
/* usage */
static int _usage(void)
{
fputs("Usage: basename string [suffix]\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
if(argc == 2)
return _basename(argv[1], NULL);
if(argc == 3)
return _basename(argv[1], argv[2]);
return _usage();
}