ffmpeg roll of source to mar 9 version...

patched-ffmpeg-mt/tools/trasher.c

 /*
  * Copyright (c) 2007 Michael Niedermayer
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#define _XOPEN_SOURCE 600
 #include <stdio.h>
 #include <stdlib.h>
-#include <time.h>
 #include <inttypes.h>
 
+static uint32_t state;
+static uint32_t ran(void){
+    return state= state*1664525+1013904223;
+}
+
 int main(int argc, char** argv)
 {
     FILE *f;
     int count, maxburst, length;
 
-    if (argc < 4){
-        printf("USAGE: trasher <filename> <count> <maxburst>\n");
+    if (argc < 5){
+        printf("USAGE: trasher <filename> <count> <maxburst> <seed>\n");
         return 1;
     }
 
     f= fopen(argv[1], "rb+");
     if (!f){
         perror(argv[1]);
         return 2;
     }
     count= atoi(argv[2]);
     maxburst= atoi(argv[3]);
-
-    srandom (time (0));
+    state= atoi(argv[4]);
 
     fseek(f, 0, SEEK_END);
     length= ftell(f);
     fseek(f, 0, SEEK_SET);
 
     while(count--){
-        int burst= 1 + random() * (uint64_t) (abs(maxburst)-1) / RAND_MAX;
-        int pos= random() * (uint64_t) length / RAND_MAX;
+        int burst= 1 + ran() * (uint64_t) (abs(maxburst)-1) / UINT32_MAX;
+        int pos= ran() * (uint64_t) length / UINT32_MAX;
         fseek(f, pos, SEEK_SET);
 
         if(maxburst<0) burst= -maxburst;
 
         if(pos + burst > length)
             continue;
 
         while(burst--){
-            int val= random() * 256ULL / RAND_MAX;
+            int val= ran() * 256ULL / UINT32_MAX;
 
             if(maxburst<0) val=0;
 
             fwrite(&val, 1, 1, f);
         }
     }
 
     return 0;
 }