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btrfs-progs: receive: use static buffer for source file

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We should copy the optarg anyway.

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba 2015-06-12 16:37:31 +02:00
parent 210bd3a693
commit a245463281
1 changed files with 10 additions and 3 deletions
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13
cmds-receive.c
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@ -1096,7 +1096,7 @@ out:
int cmd_receive(int argc, char **argv)
{
char *tomnt = NULL;
char *fromfile = NULL;
char fromfile[PATH_MAX];
char realmnt[PATH_MAX];
struct btrfs_receive r;
int receive_fd = fileno(stdin);
@ -1109,6 +1109,7 @@ int cmd_receive(int argc, char **argv)
r.dest_dir_fd = -1;
r.dest_dir_chroot = 0;
realmnt[0] = 0;
fromfile[0] = 0;
while (1) {
int c;
@ -1127,7 +1128,13 @@ int cmd_receive(int argc, char **argv)
g_verbose++;
break;
case 'f':
fromfile = optarg;
if (arg_copy_path(fromfile, optarg, sizeof(fromfile))) {
fprintf(stderr,
"ERROR: input file path too long (%zu)\n",
strlen(optarg));
ret = 1;
goto out;
}
break;
case 'e':
r.honor_end_cmd = 1;
@ -1159,7 +1166,7 @@ int cmd_receive(int argc, char **argv)
tomnt = argv[optind];
if (fromfile) {
if (fromfile[0]) {
receive_fd = open(fromfile, O_RDONLY | O_NOATIME);
if (receive_fd < 0) {
fprintf(stderr, "ERROR: failed to open %s\n", fromfile);