Issue #407: fix incorrect casts in calls to ctype functions (isdigit and isspace) so we don't crash when asserts are enabled on certain platforms and characters > 128 are parsed.

This commit is contained in:
Eric Haszlakiewicz
2018-03-25 18:25:58 -04:00
parent da4b34355d
commit f8c632f579
3 changed files with 4 additions and 4 deletions

View File

@@ -44,7 +44,7 @@ static int is_valid_index(struct json_object *jo, const char *path, int32_t *idx
/* this code-path optimizes a bit, for when we reference the 0-9 index range in a JSON array
and because leading zeros not allowed */
if (len == 1) {
if (isdigit((int)path[0])) {
if (isdigit((unsigned char)path[0])) {
*idx = (path[0] - '0');
goto check_oob;
}
@@ -58,7 +58,7 @@ static int is_valid_index(struct json_object *jo, const char *path, int32_t *idx
}
/* RFC states base-10 decimals */
for (i = 0; i < len; i++) {
if (!isdigit((int)path[i])) {
if (!isdigit((unsigned char)path[i])) {
errno = EINVAL;
return 0;
}