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Fix insertstream value implicit insert detection

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The pointer being at the end of the buffer was not checked.
This commit is contained in:
Markus Mäkelä
2017-02-02 12:58:30 +02:00
parent 3a447607a7
commit a2ffb0476f
1 changed files with 2 additions and 2 deletions
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4
server/modules/filter/insertstream/insertstream.c
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@ -540,12 +540,12 @@ static bool only_implicit_values(GWBUF *buffer)
/** Skip the closing parenthesis and any whitespace */ /** Skip the closing parenthesis and any whitespace */
ptr++; ptr++;
while (isspace(*ptr) && ptr < (char*)buffer->end) while (ptr < (char*)buffer->end && isspace(*ptr))
{ {
ptr++; ptr++;
} }
if (!isalnum(*ptr) && ptr < (char*)buffer->end) if (ptr >= (char*)buffer->end || !isalnum(*ptr))
{ {
/** /**
* The first pair of parentheses was followed by a non-alphanumeric * The first pair of parentheses was followed by a non-alphanumeric