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make sure h_string_update copies its subtrees

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This commit is contained in:
Sven M. Hallberg 2013-05-24 22:38:14 +02:00
parent 3047fd223b
commit de4b21757e
1 changed files with 9 additions and 3 deletions
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12
src/cfgrammar.c
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@ -248,12 +248,18 @@ void h_stringmap_put_char(HCFStringMap *m, uint8_t c, void *v)
}
// helper for h_stringmap_update
static void *combine_stringmap(void *v1, void *v2)
static void *combine_stringmap(void *v1, const void *v2)
{
h_stringmap_update((HCFStringMap *)v1, (HCFStringMap *)v2);
return v1;
HCFStringMap *m1 = v1;
const HCFStringMap *m2 = v2;
if(!m1)
m1 = h_stringmap_new(m2->arena);
h_stringmap_update(m1, m2);
return m1;
}
/* Note: Does *not* reuse submaps from n in building m. */
void h_stringmap_update(HCFStringMap *m, const HCFStringMap *n)
{
if(n->epsilon_branch)