diff options
| -rw-r--r-- | include/conts/sp.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/conts/sp.h b/include/conts/sp.h index 2f88293..f760fd3 100644 --- a/include/conts/sp.h +++ b/include/conts/sp.h @@ -6,6 +6,7 @@ #include <string.h> #include <assert.h> #include <stdlib.h> +#include <stdint.h> #include <stdio.h> #include "conts.h" @@ -97,6 +98,8 @@ static inline void SP(trunc)(struct SP_STRUCT *s) static inline int SP(append_strn)(struct SP_STRUCT *s, const char *buf, size_t n) { + /* check for overflows, silences a gcc warning at least */ + assert(s->l < SIZE_MAX - n); size_t nl = s->l + n; /* we can fit into the static buffer */ |