DeforaOS/utils
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Using getopt() for coherence with the other tools

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This commit is contained in:
Pierre Pronchery 2009-10-20 14:11:05 +00:00
parent 83ba791afe
commit 84b191ee5b
1 changed files with 21 additions and 7 deletions
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28
src/link.c
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@ -1,5 +1,5 @@
/* $Id$ */
/* Copyright (c) 2007 Pierre Pronchery <khorben@defora.org> */
/* Copyright (c) 2009 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
@ -21,16 +21,22 @@
/* link */
static int _link_error(char const * message, int ret);
static int _link(char * file1, char * file2)
{
if(link(file1, file2) == -1)
{
perror("link");
return 1;
}
return _link_error(file2, 1);
return 0;
}
static int _link_error(char const * message, int ret)
{
fputs("link: ", stderr);
perror(message);
return ret;
}
/* usage */
static int _usage(void)
@ -43,7 +49,15 @@ static int _usage(void)
/* main */
int main(int argc, char* argv[])
{
if(argc != 3)
int o;
while((o = getopt(argc, argv, "")) != -1)
switch(o)
{
default:
return _usage();
}
if(optind != argc - 2)
return _usage();
return _link(argv[1], argv[2]) == 0 ? 0 : 2;
return (_link(argv[optind], argv[optind + 1]) == 0) ? 0 : 2;
}