commit c9ba47dc5d8679efa4d5425aa27e0f8132920fb5
author Stefan Weil <weil@mail.berlios.de> Mon Sep 27 18:45:47 2010 +0200
committer Blue Swirl <blauwirbel@gmail.com> Sun Oct 03 06:39:49 2010 +0000
tree b51492652b27cde52636aad7869f244121dbffb6
parent 6ea421fee15f5f2d32c2b471cb2336463d4e316b

virtio-9p: Use GCC_FMT_ATTR and fix a format warning

With the new gcc format warnings, gcc detected this:

/qemu/hw/virtio-9p.c:1040: error: format ‘%u’ expects type ‘unsigned int’, but argument 4 has type ‘__nlink_t’

Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

hw/virtio-9p.c

diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c
index 32fa3bc..3b2d49c 100644
--- a/hw/virtio-9p.c
+++ b/hw/virtio-9p.c
@@ -333,7 +333,8 @@
     return ret;
 }
 
-static int v9fs_string_alloc_printf(char **strp, const char *fmt, va_list ap)
+static int GCC_FMT_ATTR(2, 0)
+v9fs_string_alloc_printf(char **strp, const char *fmt, va_list ap)
 {
     va_list ap2;
     char *iter = (char *)fmt;
@@ -387,7 +388,8 @@
     return vsprintf(*strp, fmt, ap);
 }
 
-static void v9fs_string_sprintf(V9fsString *str, const char *fmt, ...)
+static void GCC_FMT_ATTR(2, 3)
+v9fs_string_sprintf(V9fsString *str, const char *fmt, ...)
 {
     va_list ap;
     int err;
@@ -1034,8 +1036,8 @@
                 S_ISCHR(stbuf->st_mode) ? 'c' : 'b',
                 major(stbuf->st_rdev), minor(stbuf->st_rdev));
     } else if (S_ISDIR(stbuf->st_mode) || S_ISREG(stbuf->st_mode)) {
-        v9fs_string_sprintf(&v9stat->extension, "%s %u",
-                "HARDLINKCOUNT", stbuf->st_nlink);
+        v9fs_string_sprintf(&v9stat->extension, "%s %lu",
+                "HARDLINKCOUNT", (unsigned long)stbuf->st_nlink);
     }
 
     str = strrchr(name->data, '/');