diff options
Diffstat (limited to 'crypto/openssh/openbsd-compat/bsd-asprintf.c')
| -rw-r--r-- | crypto/openssh/openbsd-compat/bsd-asprintf.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/crypto/openssh/openbsd-compat/bsd-asprintf.c b/crypto/openssh/openbsd-compat/bsd-asprintf.c index 6748013..3368195 100644 --- a/crypto/openssh/openbsd-compat/bsd-asprintf.c +++ b/crypto/openssh/openbsd-compat/bsd-asprintf.c @@ -39,7 +39,8 @@ #define INIT_SZ 128 -int vasprintf(char **str, const char *fmt, va_list ap) +int +vasprintf(char **str, const char *fmt, va_list ap) { int ret = -1; va_list ap2; @@ -53,7 +54,8 @@ int vasprintf(char **str, const char *fmt, va_list ap) ret = vsnprintf(string, INIT_SZ, fmt, ap2); if (ret >= 0 && ret < INIT_SZ) { /* succeeded with initial alloc */ *str = string; - } else if (ret == INT_MAX) { /* shouldn't happen */ + } else if (ret == INT_MAX || ret < 0) { /* Bad length */ + free(string); goto fail; } else { /* bigger than initial, realloc allowing for nul */ len = (size_t)ret + 1; |
