diff options
| -rw-r--r-- | wsutil/strtoi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/wsutil/strtoi.c b/wsutil/strtoi.c index 574743d6b5..85897af026 100644 --- a/wsutil/strtoi.c +++ b/wsutil/strtoi.c @@ -53,6 +53,13 @@ gboolean ws_strtou64(const gchar* str, guint64* cint) gchar* endptr; guint64 val; + if (str[0] == '-' || str[0] == '+') { + /* + * Unsigned numbers don't have a sign. + */ + errno = EINVAL; + return FALSE; + } errno = 0; val = g_ascii_strtoull(str, &endptr, 10); if ((val == 0 && endptr == str) || (*endptr != 0)) { |