at work

rcache.c

@@ -33,8 +33,10 @@ char rcache_getc(rcache_t * cache) {
 
     if (unread == 0) {
         char* buffer[BUFFER_SIZE];
-        size_t rsize = read(cache->fd, buffer, sizeof(buffer));
-
+        ssize_t rsize = read(cache->fd, buffer, sizeof(buffer));
+        if (rsize < 0) {
+            return EOF;
+        }
         if (rsize == 0) {
             return EOF;
         }
@@ -51,6 +53,7 @@ char rcache_getc(rcache_t * cache) {
         memcpy(&(cache->data[cache->wpos]), buffer, (size_t)rsize);
         cache->wpos += rsize;
     }
+    //printf("[%c]", (char)cache->data[cache->rpos]);
     return (char)cache->data[cache->rpos++];
 }