/*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <errno.h>
#include <float.h>
#include <limits.h>
-#include <math.h>
#include <string.h>
#include "dynamic-string.h"
*
* We suppress negative zeros as a matter of policy. */
if (!significand) {
- struct json_token token;
token.type = T_INTEGER;
token.u.integer = 0;
json_parser_input(p, &token);
static const char *
json_lex_4hex(const char *cp, const char *end, int *valuep)
{
- int value, i;
+ unsigned int value;
if (cp + 4 > end) {
return "quoted string ends within \\u escape";
}
- value = 0;
- for (i = 0; i < 4; i++) {
- unsigned char c = *cp++;
- if (!isxdigit(c)) {
- return "malformed \\u escape";
- }
- value = (value << 4) | hexit_value(c);
+ value = hexits_value(cp, 4, NULL);
+ if (value == UINT_MAX) {
+ return "malformed \\u escape";
}
if (!value) {
return "null bytes not supported in quoted strings";