diff options
| -rw-r--r-- | chat.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/chat.h b/chat.h index e75112a..327262b 100644 --- a/chat.h +++ b/chat.h @@ -52,8 +52,8 @@ static inline char *seprintf(char *ptr, char *end, const char *fmt, ...) { int n = vsnprintf(ptr, end - ptr, fmt, ap); va_end(ap); if (n < 0) return NULL; - ptr += n; - return (ptr > end ? end : ptr); + if (n > end - ptr) return end; + return ptr + n; } enum Attr { |