From a8db0e4a909df5857753fb0e6280e5c70fa4c5c5 Mon Sep 17 00:00:00 2001
From: al <al@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Fri, 29 Oct 2004 22:05:34 +0000
Subject: Fixed the assumption user will always give 2+ args to the program.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13802 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 TOOLS/vivodump.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'TOOLS')

diff --git a/TOOLS/vivodump.c b/TOOLS/vivodump.c
index 9896dacb21..a35b4ddd58 100644
--- a/TOOLS/vivodump.c
+++ b/TOOLS/vivodump.c
@@ -151,7 +151,7 @@ int h263_decode_picture_header(unsigned char *b_ptr)
 
 int postable[32768];
 
-int main(int argv,char ** argc){
+int main(int argc,char ** argv){
 int c;
 unsigned int head=-1;
 int pos=0;
@@ -167,13 +167,20 @@ int flag=0;
 int flag2=0;
 int prefix=0;
 
+// check if enough args were given
+if ( argc < 3 ){
+    printf("Too few arguments given!\n"
+           "Usage: %s <input_file> <output_file>\n", argv[0]);
+
+    return -1;
+}
 // input
-if(!(f=fopen(argc[1],"rb"))){
+if(!(f=fopen(argv[1],"rb"))){
        printf("Couldn't open input file.\n");
        return -1;
 }
 // output
-if(!(f2=fopen(argc[2],"wb"))){
+if(!(f2=fopen(argv[2],"wb"))){
        printf("Couldn't open output file.\n");
        return -1;
 }
-- 
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