break in case of null terminator

2021-07-17 17:23:05 -04:00 · 2021-07-17 17:23:05 -04:00 · 71d74c3324
commit 71d74c3324
parent ce9f6a321f
1 changed files with 3 additions and 0 deletions
--- a/src/builtins.c
+++ b/src/builtins.c
@ -133,6 +133,9 @@ void set_variable(StringArray *args) {

    // Check variable name for invalid characters
    for (size_t i = 0; i < strlen(variable); i++) {
+        if (variable[i] == 0) {
+            break;
+        }
        if (!((variable[i] >= 48 && variable[i] <= 57) || 
                (variable[i] >= 65 && variable[i] <= 90) ||
                (variable[i] >= 97 && variable[i] <= 122))) {