task

commit 7dd8136475a838572556070a2234dd647816c33d
parent 58a345068ec919e669cebafc4bbdaf3e7eb0aeb8
Author: brookjeynes <me@brookjeynes.dev>
Date:   Wed, 10 Jun 2026 10:33:27 +0000

feat: validate priority

Diffstat:
M
main.c
 | 
12
++++++++++++

1 file changed, 12 insertions(+), 0 deletions(-)
diff --git a/main.c b/main.c
@@ -59,6 +59,18 @@ int main(int argc, char *argv[]) {
   }
 
   if (cli_args.priority != '\0') {
+    char *alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+    int is_alphanumeric = 0;
+    for (int idx = 0; idx < 26; idx++) {
+      if (cli_args.priority == alphabet[idx]) {
+        is_alphanumeric = 1;
+        break;
+      }
+    }
+    if (!is_alphanumeric) {
+      fprintf(stderr, "err: priority must be between [A-Z]\n");
+      exit(1);
+    }
     printf("(%c)\n", cli_args.priority);
   }