use the correct type of variable (int) to store the reutn value of getopt_long()

(this helps portability as well -- otherwise architecures with char == unsigned char would not be able to parse the options)
2009-02-22 00:17:03 +00:00
parent a1a060b416
commit 2700473e76
1 changed files with 1 additions and 1 deletions
@@ -75,7 +75,7 @@ int main(int argc, char **argv)
  /* parse command line */
  while (1) {
    int option_index = 0;
-    char c;
+    int c;
    static struct option long_options[] = {
      {"help", 0, 0, 'h'}, /* print help */
      {"version", 0, 0, 'V'}, /* show version */