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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>
This commit is contained in:
Stefan Weil 2010-09-27 18:45:47 +02:00 committed by Blue Swirl
parent 6ea421fee1
commit c9ba47dc5d
1 changed files with 6 additions and 4 deletions
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10
hw/virtio-9p.c
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@ -333,7 +333,8 @@ static int number_to_string(void *arg, char type)
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 @@ alloc_print:
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 @@ static int stat_to_v9stat(V9fsState *s, V9fsString *name,
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, '/');