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btrfsctl detects dir/file of args

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This commit is contained in:
Chris Mason 2007-04-10 14:12:24 -04:00 committed by David Woodhouse
parent e52d2e2fa1
commit 88e3e66570
1 changed files with 18 additions and 2 deletions
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20
btrfsctl.c
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@ -9,6 +9,7 @@
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include "kerncompat.h"
#ifdef __CHECKER__
@ -33,6 +34,8 @@ int main(int ac, char **av)
struct btrfs_ioctl_vol_args args;
char *name;
int i;
struct stat st;
DIR *dirstream;
for (i = 1; i < ac - 1; i++) {
if (strcmp(av[i], "-s") == 0) {
@ -49,8 +52,21 @@ int main(int ac, char **av)
}
fname = av[ac - 1];
printf("fname is %s\n", fname);
fd = open(fname, O_RDWR);
if (fd < 0) {
ret = stat(fname, &st);
if (ret < 0) {
perror("stat:");
exit(1);
}
if (S_ISDIR(st.st_mode)) {
dirstream = opendir(fname);
if (!dirstream) {
perror("opendir");
exit(1);
}
fd = dirfd(dirstream);
} else {
fd = open(fname, O_RDWR);
} if (fd < 0) {
perror("open");
exit(1);
}