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MFH (fixed #42085)

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This commit is contained in:
Rui Hirokawa 2007-08-19 01:58:39 +00:00
parent 1d48a1081c
commit 1d44054407
1 changed files with 8 additions and 2 deletions
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10
ext/mbstring/libmbfl/mbfl/mbfilter.c
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@ -858,7 +858,7 @@ mbfl_strpos(
int offset,
int reverse)
{
int n, result;
int n, result, negative_offset = 0;
unsigned char *p;
mbfl_convert_filter *filter;
struct collector_strpos_data pc;
@ -904,6 +904,12 @@ mbfl_strpos(
mbfl_wchar_device_clear(&pc.needle);
return -4;
}
if (offset < 0) {
negative_offset = -offset-1;
offset = 0;
}
pc.start = offset;
pc.output = 0;
pc.needle_pos = 0;
@ -912,7 +918,7 @@ mbfl_strpos(
/* feed data */
p = haystack->val;
n = haystack->len;
n = haystack->len - negative_offset;
if (p != NULL) {
while (n > 0) {
if ((*filter->filter_function)(*p++, filter) < 0) {