diff options
| -rw-r--r-- | src/string/strerror_r.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/string/strerror_r.c b/src/string/strerror_r.c index 6fdd4ce2..907dcf07 100644 --- a/src/string/strerror_r.c +++ b/src/string/strerror_r.c @@ -4,8 +4,14 @@ int strerror_r(int err, char *buf, size_t buflen) { char *msg = strerror(err); - if (strlen(msg) >= buflen) + size_t l = strlen(msg); + if (l >= buflen) { + if (buflen) { + memcpy(buf, msg, buflen-1); + buf[buflen-1] = 0; + } return ERANGE; - strcpy(buf, msg); + } + memcpy(buf, msg, l+1); return 0; } |