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Create /sys directory if it doesn't exist already.
[libguestfs.git]
/
daemon
/
wc.c
diff --git
a/daemon/wc.c
b/daemon/wc.c
index
91e1942
..
397d90c
100644
(file)
--- a/
daemon/wc.c
+++ b/
daemon/wc.c
@@
-1,5
+1,5
@@
/* libguestfs - the guestfsd daemon
/* libguestfs - the guestfsd daemon
- * Copyright (C) 2009 Red Hat Inc.
+ * Copyright (C) 2009 Red Hat Inc.
*
* 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
*
* 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
@@
-22,32
+22,29
@@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <fcntl.h>
-#include "
../src/
guestfs_protocol.h"
+#include "guestfs_protocol.h"
#include "daemon.h"
#include "actions.h"
static int
#include "daemon.h"
#include "actions.h"
static int
-wc (c
har *flag,
char *path)
+wc (c
onst char *flag, const
char *path)
{
{
- char *buf;
char *out, *err;
char *out, *err;
- int
r, len
;
+ int
fd, flags, r
;
- NEED_ROOT (-1);
- ABS_PATH (path, -1);
+ CHROOT_IN;
+ fd = open (path, O_RDONLY);
+ CHROOT_OUT;
- /* Make the path relative to /sysroot. */
- len = strlen (path) + 9;
- buf = malloc (len);
- if (!buf) {
- reply_with_perror ("malloc");
+ if (fd == -1) {
+ reply_with_perror ("wc %s: %s", flag, path);
return -1;
}
return -1;
}
- snprintf (buf, len, "/sysroot%s", path);
-
r = command (&out, &err, "wc", flag, buf, NULL)
;
-
free (buf
);
+
flags = COMMAND_FLAG_CHROOT_COPY_FILE_TO_STDIN | fd
;
+
r = commandf (&out, &err, flags, "wc", flag, NULL
);
if (r == -1) {
reply_with_error ("wc %s: %s", flag, err);
free (out);
if (r == -1) {
reply_with_error ("wc %s: %s", flag, err);
free (out);
@@
-65,7
+62,7
@@
wc (char *flag, char *path)
/* Parse the number. */
if (sscanf (out, "%d", &r) != 1) {
/* Parse the number. */
if (sscanf (out, "%d", &r) != 1) {
- reply_with_error ("
wc:
cannot parse number: %s", out);
+ reply_with_error ("cannot parse number: %s", out);
free (out);
return -1;
}
free (out);
return -1;
}
@@
-75,19
+72,19
@@
wc (char *flag, char *path)
}
int
}
int
-do_wc_l (char *path)
+do_wc_l (c
onst c
har *path)
{
return wc ("-l", path);
}
int
{
return wc ("-l", path);
}
int
-do_wc_w (char *path)
+do_wc_w (c
onst c
har *path)
{
return wc ("-w", path);
}
int
{
return wc ("-w", path);
}
int
-do_wc_c (char *path)
+do_wc_c (c
onst c
har *path)
{
return wc ("-c", path);
}
{
return wc ("-c", path);
}