Accumulate return value of write() to finally silence warnings

1 files changed, 5 insertions, 1 deletions

diff --git a/src/export/split_version_3.c b/src/export/split_version_3.c
index 853d95d..8170a3a 100644
--- a/src/export/split_version_3.c
+++ b/src/export/split_version_3.c
@@ -8,6 +8,7 @@
 int main( int argc, char **args ) {
   char table[64], f[1024*1024];
   int  outfiles[64], i, base = 0, fixed_columns = 0;
+  ssize_t temp = 0;
   uint32_t *p = (uint32_t*)f;
 
   if( argc > 1 ) base = atoi( args[1] );
@@ -49,10 +50,13 @@ int main( int argc, char **args ) {
       off = p[file+1];
       /* Look for end of this chunk, which is <count> strings long */
       for( strnr=0; strnr < count; ++strnr ) { while( f[off++] ) {}; f[off-1] = '\n'; }
-      (void)write( outfiles[file], f + p[file+1], off - p[file+1] );
+      temp += write( outfiles[file], f + p[file+1], off - p[file+1] );
     }
   }
 
   for( i=0; i<64; ++i ) close( outfiles[i] );
+  if( !temp )
+    exit(1);
+
   return 0;
 }