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uri decode: fix for warning "use of uninitialised value"

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This patch add check in evhttp_decode_uri_internal() that next 2 symbols
are exists in array of chars for decoding, if don't have two next 2
symbols don't try to decode '%FF'
This commit is contained in:
Azat Khuzhin 2013-02-28 17:19:44 +04:00
parent 87c56727b6
commit 64b6eceaba
1 changed files with 2 additions and 2 deletions
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4
http.c
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@ -2889,8 +2889,8 @@ evhttp_decode_uri_internal(
decode_plus = 1;
} else if (c == '+' && decode_plus) {
c = ' ';
} else if (c == '%' && EVUTIL_ISXDIGIT_(uri[i+1]) &&
EVUTIL_ISXDIGIT_(uri[i+2])) {
} else if (length > 2 && i < (length - 2) && c == '%' &&
EVUTIL_ISXDIGIT_(uri[i+1]) && EVUTIL_ISXDIGIT_(uri[i+2])) {
char tmp[3];
tmp[0] = uri[i+1];
tmp[1] = uri[i+2];