Merge remote-tracking branch 'qatar/master'

[ffmpeg] / tools / trasher.c

diff --git a/tools/trasher.c b/tools/trasher.c
index 114eb78a683db1d825d5ebb726ff1b3451328a9f..61fd395f28c2fcef84178918285e442575231441 100644 (file)
--- a/tools/trasher.c
+++ b/tools/trasher.c
@@ -23,47 +23,50 @@
 #include <inttypes.h>
 
 static uint32_t state;
-static uint32_t ran(void){
-    return state= state*1664525+1013904223;
+static uint32_t ran(void)
+{
+    return state = state * 1664525 + 1013904223;
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     FILE *f;
     int count, maxburst, length;
 
-    if (argc < 5){
+    if (argc < 5) {
         printf("USAGE: trasher <filename> <count> <maxburst> <seed>\n");
         return 1;
     }
 
-    f= fopen(argv[1], "rb+");
-    if (!f){
+    f = fopen(argv[1], "rb+");
+    if (!f) {
         perror(argv[1]);
         return 2;
     }
-    count= atoi(argv[2]);
-    maxburst= atoi(argv[3]);
-    state= atoi(argv[4]);
+    count    = atoi(argv[2]);
+    maxburst = atoi(argv[3]);
+    state    = atoi(argv[4]);
 
     fseek(f, 0, SEEK_END);
-    length= ftell(f);
+    length = ftell(f);
     fseek(f, 0, SEEK_SET);
 
-    while(count--){
-        int burst= 1 + ran() * (uint64_t) (abs(maxburst)-1) / UINT32_MAX;
-        int pos= ran() * (uint64_t) length / UINT32_MAX;
+    while (count--) {
+        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 (maxburst < 0)
+            burst = -maxburst;
 
-        if(pos + burst > length)
+        if (pos + burst > length)
             continue;
 
-        while(burst--){
-            int val= ran() * 256ULL / UINT32_MAX;
+        while (burst--) {
+            int val = ran() * 256ULL / UINT32_MAX;
 
-            if(maxburst<0) val=0;
+            if (maxburst < 0)
+                val = 0;
 
             fwrite(&val, 1, 1, f);
         }