diff options
Diffstat (limited to '')
| -rw-r--r-- | lib/compat/vasprintf.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/compat/vasprintf.c b/lib/compat/vasprintf.c index 9d53a32..b5a2783 100644 --- a/lib/compat/vasprintf.c +++ b/lib/compat/vasprintf.c @@ -19,6 +19,8 @@ #include <config.h> +#include <errno.h> +#include <limits.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> @@ -36,7 +38,9 @@ vasprintf(char **strp, char const *fmt, va_list args) needed = vsnprintf(NULL, 0, fmt, args_copy); va_end(args_copy); - if (needed < 0) { + if (needed < 0 || needed >= INT_MAX) { + if (needed >= INT_MAX) + errno = EOVERFLOW; *strp = NULL; return -1; } |