X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=daemon%2Ffallocate.c;h=0c948ffff6ebc3fa5d884f4caf5aa4ea2de6b3cd;hp=1800292d0ba61290e2f70c51227ba1ab75d8d5eb;hb=83f381f5ccfb7e86bfaaeeade9d06c9e54ddb0cf;hpb=c2aad5cd929a9932c010d045462bd923162fb593

diff --git a/daemon/fallocate.c b/daemon/fallocate.c
index 1800292..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"
@@ -30,22 +31,32 @@
 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;
   fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_NOCTTY, 0666);
   CHROOT_OUT;
   if (fd == -1) {
-    reply_with_perror ("failed to open %s", path);
+    reply_with_perror ("open: %s", path);
     return -1;
   }
 
 #ifdef HAVE_POSIX_FALLOCATE
-  int r;
-
-  r = posix_fallocate (fd, 0, len);
-  if (r == -1) {
-    reply_with_perror ("posix_fallocate: %s", path);
+  int err = posix_fallocate (fd, 0, len);
+  if (err != 0) {
+    errno = err;
+    reply_with_perror ("%s", path);
     close (fd);
     return -1;
   }