From 9ab538e31f8621ea7400a1d8bdf9d6091aa3dedf Mon Sep 17 00:00:00 2001
From: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Date: Sat, 8 Sep 2012 08:31:33 -0400
Subject: [PATCH] random_seed: Replace a VLA with a normal array
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavutil/random_seed.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavutil/random_seed.c b/libavutil/random_seed.c
index e60ace00909..d1a1fa645af 100644
--- a/libavutil/random_seed.c
+++ b/libavutil/random_seed.c
@@ -27,6 +27,7 @@
#include <math.h>
#include <time.h>
#include <string.h>
+#include "avassert.h"
#include "timer.h"
#include "random_seed.h"
#include "sha.h"
@@ -55,7 +56,7 @@ static int read_random(uint32_t *dst, const char *file)
static uint32_t get_generic_seed(void)
{
- uint8_t tmp[av_sha_size];
+ uint8_t tmp[120];
struct AVSHA *sha = (void*)tmp;
clock_t last_t = 0;
static uint64_t i = 0;
@@ -63,6 +64,8 @@ static uint32_t get_generic_seed(void)
unsigned char digest[32];
uint64_t last_i = i;
+ av_assert0(sizeof(tmp) >= av_sha_size);
+
if(TEST){
memset(buffer, 0, sizeof(buffer));
last_i = i = 0;
--
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