X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=daemon%2Ffallocate.c;h=0c948ffff6ebc3fa5d884f4caf5aa4ea2de6b3cd;hp=7f17f8b85d6824dba4e9604468a682bec93ad2bc;hb=6b500f1b8e1ac8d28c485a5591c2833b18cc86e2;hpb=e9c37113104c1cfb234535adc9b52ad3880a41ce

diff --git a/daemon/fallocate.c b/daemon/fallocate.c
index 7f17f8b..0c948ff 100644
--- a/daemon/fallocate.c
+++ b/daemon/fallocate.c
@@ -23,6 +23,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <errno.h>
 
 #include "daemon.h"
 #include "actions.h"
@@ -30,6 +31,17 @@
 int
 do_fallocate (const char *path, int len)
 {
+  if (len < 0) {
+    reply_with_error ("length < 0");
+    return -1;
+  }
+
+  return do_fallocate64 (path, len);
+}
+
+int
+do_fallocate64 (const char *path, int64_t len)
+{
   int fd;
 
   CHROOT_IN;
@@ -41,10 +53,9 @@ do_fallocate (const char *path, int len)
   }
 
 #ifdef HAVE_POSIX_FALLOCATE
-  int r;
-
-  r = posix_fallocate (fd, 0, len);
-  if (r == -1) {
+  int err = posix_fallocate (fd, 0, len);
+  if (err != 0) {
+    errno = err;
     reply_with_perror ("%s", path);
     close (fd);
     return -1;