[U-Boot] [PATCH] mkenvimage: Fix compiler warning

[Horst Kronstorfer]

On 04/06/2012 08:00 AM, Dirk Behme wrote:
> From: Dirk Behme<dirk.behme at googlemail.com>
>
> Fix the compiler warning
>
> mkenvimage.c: In function ‘main’:
> mkenvimage.c:218: warning: format ‘%ld’ expects type ‘long int’, but argument 3 has type ‘unsigned int’
> mkenvimage.c:226: warning: format ‘%ld’ expects type ‘long int’, but argument 3 has type ‘unsigned int’
>
> introduced with the commit
>
> mkenvimage: Use mmap() when reading from a regular file
> 6ee39f8055680654f9cc97b98dcce9588f1ab71e
>
> Signed-off-by: Dirk Behme<dirk.behme at googlemail.com>
> CC: David Wagner<david.wagner at free-electrons.com>
> CC: Anatolij Gustschin<agust at denx.de>
> CC: Mike Frysinger<vapier at gentoo.org>
> ---
>   tools/mkenvimage.c |    4 ++--
>   1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/mkenvimage.c b/tools/mkenvimage.c
> index 9dbb3b2..1298998 100644
> --- a/tools/mkenvimage.c
> +++ b/tools/mkenvimage.c
> @@ -213,7 +213,7 @@ int main(int argc, char **argv)
>   		filebuf = mmap(NULL, sizeof(*envptr) * filesize, PROT_READ,
>   			       MAP_PRIVATE, txt_fd, 0);
>   		if (filebuf == MAP_FAILED) {
> -			fprintf(stderr, "mmap (%ld bytes) failed: %s\n",
> +			fprintf(stderr, "mmap (%d bytes) failed: %s\n",

this patch would now trigger a -Wformat on 64-bit hosts.
you should use the size_t formatter '%zu'.

>   					sizeof(*envptr) * filesize,
>   					strerror(errno));
>   			fprintf(stderr, "Falling back to read()\n");
> @@ -221,7 +221,7 @@ int main(int argc, char **argv)
>   			filebuf = malloc(sizeof(*envptr) * filesize);
>   			ret = read(txt_fd, filebuf, sizeof(*envptr) * filesize);
>   			if (ret != sizeof(*envptr) * filesize) {
> -				fprintf(stderr, "Can't read the whole input file (%ld bytes): %s\n",
> +				fprintf(stderr, "Can't read the whole input file (%d bytes): %s\n",

ditto!

br
-h

>   					sizeof(*envptr) * filesize,
>   					strerror(errno));
>