ansii c

1 files changed, 8 insertions, 4 deletions

diff --git a/src/commands/cat.c b/src/commands/cat.c
index 8c15522..0495fe3 100644
--- a/src/commands/cat.c
+++ b/src/commands/cat.c
@@ -16,7 +16,7 @@ static bool printable(char c) {
         case '\r': return true;
         case '\b': return true;
         case '\t': return true;
-        default: return isprint(c);
+        default: return isprint(c) == 0;
     }
 }
 
@@ -110,22 +110,26 @@ static int short_arg(char c, char* next) {
 
 COMMAND(cat) {
 
+    int start;
+    int arg_len;
+    int i;
+
     flags.number_lines = false;
     flags.number_non_empty = false;
     flags.change_non_print = false;
     flags.change_tabs = false;
     flags.end_lines_dollar = false;
 
-    int start = parse_args(argc, argv, help, short_arg, NULL);
+    start = parse_args(argc, argv, help, short_arg, NULL);
 
-    int arg_len = argc - start;
+    arg_len = argc - start;
 
     if (arg_len < 1) {
         cat_file(stdin);
         return EXIT_SUCCESS;
     }
 
-    for (int i = start; i < argc; i++) {
+    for (i = start; i < argc; i++) {
         FILE* in = get_file(argv[i], "r");
         cat_file(in);
         if (in != stdin)