X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=fish%2Falloc.c;h=93cd8afdfe219278241fe70c948939b492e7c486;hb=aa5bd925f1bef1b6b40d3cb058c1c3e2cf129868;hp=28c990f1bd4f69119fe27e8f969b8f4053af7858;hpb=5ebf3a39340696fea0582a58074d22d11247a6e7;p=libguestfs.git

diff --git a/fish/alloc.c b/fish/alloc.c
index 28c990f..93cd8af 100644
--- a/fish/alloc.c
+++ b/fish/alloc.c
@@ -24,6 +24,7 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <inttypes.h>
+#include <errno.h>
 
 #include "fish.h"
 
@@ -55,7 +56,9 @@ do_alloc (const char *cmd, int argc, char *argv[])
   }
 
 #ifdef HAVE_POSIX_FALLOCATE
-  if (posix_fallocate (fd, 0, size) == -1) {
+  int err = posix_fallocate (fd, 0, size);
+  if (err != 0) {
+    errno = err;
     perror ("fallocate");
     close (fd);
     unlink (argv[0]);