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Just free compiled pattern if no space is used

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NARUSE, Yui 2022-04-12 19:53:43 +09:00
parent 53f5fc4236
commit 73f45e5e96
1 changed files with 8 additions and 6 deletions
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14
regcomp.c
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@ -142,8 +142,13 @@ bitset_on_num(BitSetRef bs)
static void
onig_reg_resize(regex_t *reg)
{
resize:
if (reg->alloc > reg->used) {
do {
if (!reg->used) {
xfree(reg->p);
reg->alloc = 0;
reg->p = 0;
}
else if (reg->alloc > reg->used) {
unsigned char *new_ptr = xrealloc(reg->p, reg->used);
// Skip the right size optimization if memory allocation fails
if (new_ptr) {
@ -151,10 +156,7 @@ onig_reg_resize(regex_t *reg)
reg->p = new_ptr;
}
}
if (reg->chain) {
reg = reg->chain;
goto resize;
}
} while ((reg = reg->chain) != 0);
}
extern int