[PATCH] ARM: fix vdsomunge not to depend on glibc specific error.h

[Russell King - ARM Linux]

On Tue, Jun 30, 2015 at 11:48:29AM +0100, Szabolcs Nagy wrote:
> @@ -82,11 +80,25 @@
>  #define EF_ARM_ABI_FLOAT_HARD 0x400
>  #endif
> 
> +static int failed;
> +static const char *argv0;
>  static const char *outfile;
> 
> +static void fail(const char *fmt, ...)
> +{
> +	va_list ap;
> +
> +	failed = 1;
> +	fprintf(stderr, "%s: ", argv0);
> +	va_start(ap, fmt);
> +	vfprintf(stderr, fmt, ap);
> +	va_end(ap);
> +	exit(EXIT_FAILURE);

What purpose does "failed" serve?  Reading through this patch, it
seems to be a write-only variable.

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