Add strict_strtoul

Signed-off-by: Malfurious <m@lfurio.us>

1 files changed, 6 insertions, 0 deletions

diff --git a/helpers.c b/helpers.c
index 8e3be13..163cd2e 100644
--- a/helpers.c
+++ b/helpers.c
@@ -11,6 +11,12 @@ void *xmalloc(size_t size) {
     return ptr;
 }
 
+unsigned long strict_strtoul(const char *nptr, int base) {
+    char *endptr;
+    unsigned long ret = strtoul(nptr, &endptr, base);
+    return (*endptr ? 0 : ret);
+}
+
 void cursinit(void) {
     setlocale(LC_ALL, "");
     initscr();