sbase/rm.c
Connor Lane Smith 78fd8698cc fix rm -r
2011-05-24 13:04:56 +01:00

70 lines
1.3 KiB
C

/* See LICENSE file for copyright and license details. */
#include <dirent.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
static void rm(const char *);
static bool fflag = false;
static bool rflag = false;
int
main(int argc, char *argv[])
{
char c;
while((c = getopt(argc, argv, "fr")) != -1)
switch(c) {
case 'f':
fflag = true;
break;
case 'r':
rflag = true;
break;
default:
exit(EXIT_FAILURE);
}
for(; optind < argc; optind++)
rm(argv[optind]);
return EXIT_SUCCESS;
}
void rm(const char *path)
{
if(remove(path) == 0)
return;
if(errno == ENOTEMPTY && rflag) {
char *buf;
long size;
struct dirent *d;
DIR *dp;
if((size = pathconf(".", _PC_PATH_MAX)) < 0)
size = BUFSIZ;
if(!(buf = malloc(size)))
eprintf("malloc:");
if(!getcwd(buf, size))
eprintf("getcwd:");
if(!(dp = opendir(path)))
eprintf("opendir %s:", path);
if(chdir(path) != 0)
eprintf("chdir %s:", path);
while((d = readdir(dp)))
if(strcmp(d->d_name, ".") && strcmp(d->d_name, ".."))
rm(d->d_name);
closedir(dp);
if(chdir(buf) != 0)
eprintf("chdir %s:", buf);
if(remove(path) == 0)
return;
}
if(!fflag)
eprintf("remove %s:", path);
}