mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini ln implementation for busybox
|
|
*
|
|
* Copyright (C) 1999,2000 by Lineo, inc.
|
|
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include "internal.h"
|
|
#define BB_DECLARE_EXTERN
|
|
#define bb_need_not_a_directory
|
|
#include "messages.c"
|
|
|
|
#include <stdio.h>
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
|
|
static int symlinkFlag = FALSE;
|
|
static int removeoldFlag = FALSE;
|
|
static int followLinks = TRUE;
|
|
|
|
extern int ln_main(int argc, char **argv)
|
|
{
|
|
char *linkName, *dirName=NULL;
|
|
int linkIntoDirFlag;
|
|
int stopIt = FALSE;
|
|
|
|
argc--;
|
|
argv++;
|
|
|
|
/* Parse any options */
|
|
while (argc > 0 && stopIt == FALSE) {
|
|
if (**argv == '-') {
|
|
while (*++(*argv))
|
|
switch (**argv) {
|
|
case 's':
|
|
symlinkFlag = TRUE;
|
|
break;
|
|
case 'f':
|
|
removeoldFlag = TRUE;
|
|
break;
|
|
case 'n':
|
|
followLinks = FALSE;
|
|
break;
|
|
case '-':
|
|
stopIt = TRUE;
|
|
break;
|
|
default:
|
|
usage(ln_usage);
|
|
}
|
|
argc--;
|
|
argv++;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (argc < 2) {
|
|
usage(ln_usage);
|
|
}
|
|
|
|
linkName = argv[argc - 1];
|
|
|
|
linkIntoDirFlag = isDirectory(linkName, followLinks, NULL);
|
|
if ((argc >= 3) && linkIntoDirFlag == FALSE) {
|
|
errorMsg(not_a_directory, linkName);
|
|
exit FALSE;
|
|
}
|
|
|
|
if (linkIntoDirFlag == TRUE)
|
|
dirName = linkName;
|
|
|
|
while (argc-- >= 2) {
|
|
int status;
|
|
|
|
if (linkIntoDirFlag == TRUE) {
|
|
char *baseName = get_last_path_component(*argv);
|
|
linkName = (char *)malloc(strlen(dirName)+strlen(baseName)+2);
|
|
strcpy(linkName, dirName);
|
|
if(dirName[strlen(dirName)-1] != '/')
|
|
strcat(linkName, "/");
|
|
strcat(linkName,baseName);
|
|
}
|
|
|
|
if (removeoldFlag == TRUE) {
|
|
status = (unlink(linkName) && errno != ENOENT);
|
|
if (status != 0) {
|
|
perror(linkName);
|
|
exit FALSE;
|
|
}
|
|
}
|
|
|
|
if (symlinkFlag == TRUE)
|
|
status = symlink(*argv, linkName);
|
|
else
|
|
status = link(*argv, linkName);
|
|
if (status != 0) {
|
|
perror(linkName);
|
|
exit FALSE;
|
|
}
|
|
|
|
if (linkIntoDirFlag == TRUE)
|
|
free(linkName);
|
|
|
|
argv++;
|
|
}
|
|
return( TRUE);
|
|
}
|
|
|
|
/*
|
|
Local Variables:
|
|
c-file-style: "linux"
|
|
c-basic-offset: 4
|
|
tab-width: 4
|
|
End:
|
|
*/
|