X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;ds=sidebyside;f=daemon%2Fchecksum.c;h=d12413f579dbc9e929594c6af069654adb442e4e;hb=8601bbda56cdb2b8491b6e2054596ec9599c38f1;hp=3654b650715af3165427e198474e5c92cdedf061;hpb=887290e949d54c6ac4c9b787231e588f84f2367c;p=libguestfs.git

diff --git a/daemon/checksum.c b/daemon/checksum.c
index 3654b65..d12413f 100644
--- a/daemon/checksum.c
+++ b/daemon/checksum.c
@@ -1,5 +1,5 @@
 /* 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
@@ -33,10 +33,11 @@ do_checksum (char *csumtype, char *path)
   const char *program;
   char *buf;
   char *out, *err;
-  int r, len;
+  int r;
+  int len;
 
   NEED_ROOT (NULL);
-  ABS_PATH (path, NULL);
+  ABS_PATH (path, return NULL);
 
   if (strcasecmp (csumtype, "crc") == 0)
     program = "cksum";
@@ -58,13 +59,11 @@ do_checksum (char *csumtype, char *path)
   }
 
   /* Make the path relative to /sysroot. */
-  len = strlen (path) + 9;
-  buf = malloc (len);
+  buf = sysroot_path (path);
   if (!buf) {
     reply_with_perror ("malloc");
     return NULL;
   }
-  snprintf (buf, len, "/sysroot%s", path);
 
   r = command (&out, &err, program, buf, NULL);
   free (buf);