diff options
| -rw-r--r-- | CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/core/strs.c | 14 | ||||
| -rw-r--r-- | src/core/strs.h | 1 |
3 files changed, 16 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 87320843..06009b28 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -242,6 +242,7 @@ endif () nng_check_sym (strdup string.h NNG_HAVE_STRDUP) nng_check_sym (strlcat string.h NNG_HAVE_STRLCAT) nng_check_sym (strlcpy string.h NNG_HAVE_STRLCPY) +nng_check_sym (strnlen string.h NNG_HAVE_STRNLEN) add_subdirectory (src) diff --git a/src/core/strs.c b/src/core/strs.c index 7f236236..08338499 100644 --- a/src/core/strs.c +++ b/src/core/strs.c @@ -96,3 +96,17 @@ nni_strlcat(char *dst, const char *src, size_t len) return (n - 1); #endif } + +size_t +nni_strnlen(const char *s, size_t len) +{ +#ifdef NNG_HAVE_STRNLEN + return (strnlen(s, len)); +#else + size_t n; + for (n = 0; (n < len) && (*s); n++) { + s++; + } + return (n); +#endif +} diff --git a/src/core/strs.h b/src/core/strs.h index 741504cd..42ec4997 100644 --- a/src/core/strs.h +++ b/src/core/strs.h @@ -17,5 +17,6 @@ extern char * nni_strdup(const char *); extern void nni_strfree(char *); extern size_t nni_strlcpy(char *, const char *, size_t); extern size_t nni_strlcat(char *, const char *, size_t); +extern size_t nni_strnlen(const char *, size_t); #endif // CORE_STRS_H |