diff options
| -rw-r--r-- | lib/escape.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/lib/escape.c b/lib/escape.c index 63edd84fa..e61260d7c 100644 --- a/lib/escape.c +++ b/lib/escape.c @@ -217,14 +217,16 @@ char *curl_easy_unescape(struct Curl_easy *data, const char *string, int length, int *olen) { char *str = NULL; - size_t inputlen = length; - size_t outputlen; - CURLcode res = Curl_urldecode(data, string, inputlen, &str, &outputlen, - FALSE); - if(res) - return NULL; - if(olen) - *olen = curlx_uztosi(outputlen); + if(length >= 0) { + size_t inputlen = length; + size_t outputlen; + CURLcode res = Curl_urldecode(data, string, inputlen, &str, &outputlen, + FALSE); + if(res) + return NULL; + if(olen) + *olen = curlx_uztosi(outputlen); + } return str; } |