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Code Issues

don't compare pointers outside their allocated regions (fixes segmentation faults)

This commit is contained in:
Kieran O'Mahony 2012-06-11 23:41:31 +01:00
parent 3998aa86eb
commit c4016cfcda
1 changed files with 4 additions and 4 deletions
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8
lib/ultrajsonenc.c
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@ -266,7 +266,7 @@ int Buffer_EscapeStringValidated (JSOBJ obj, JSONObjectEncoder *enc, const char
{
JSUTF32 in;
if (io + 1 > end)
if (end - io < 1)
{
enc->offset += (of - enc->offset);
SetError (obj, enc, "Unterminated UTF-8 sequence when encoding string");
@ -296,7 +296,7 @@ int Buffer_EscapeStringValidated (JSOBJ obj, JSONObjectEncoder *enc, const char
{
JSUTF32 in;
if (io + 2 > end)
if (end - io < 2)
{
enc->offset += (of - enc->offset);
SetError (obj, enc, "Unterminated UTF-8 sequence when encoding string");
@ -328,7 +328,7 @@ int Buffer_EscapeStringValidated (JSOBJ obj, JSONObjectEncoder *enc, const char
{
JSUTF32 in;
if (io + 3 > end)
if (end - io < 3)
{
enc->offset += (of - enc->offset);
SetError (obj, enc, "Unterminated UTF-8 sequence when encoding string");
@ -413,7 +413,7 @@ int Buffer_EscapeStringValidated (JSOBJ obj, JSONObjectEncoder *enc, const char
}
#define Buffer_Reserve(__enc, __len) \
if ((__enc)->offset + (__len) > (__enc)->end) \
if ((__enc)->end - (__enc)->offset < (__len)) \
{ \
Buffer_Realloc((__enc), (__len));\
} \