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we cannot realloc memory used by TAILQ; instead malloc each slot individually

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svn:r977
This commit is contained in:
Niels Provos 2008-12-25 09:22:13 +00:00
parent 17bfc07e94
commit 30cba6d0b3
2 changed files with 12 additions and 7 deletions
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2
event-internal.h
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@ -60,7 +60,7 @@ struct eventop {
/* used to map multiple events to the same underlying identifier */
struct event_map {
void *entries;
void **entries;
int nentries;
};

17
evmap.c
View File

@ -56,8 +56,7 @@
#include "evmap.h"
#include "mm-internal.h"
#define GET_SLOT(map, slot, type) \
(struct type *)((char *)(map)->entries + (slot)*(sizeof(struct type)))
#define GET_SLOT(map, slot, type) (struct type *)((map)->entries[slot])
static int
evmap_make_space(
@ -66,17 +65,20 @@ evmap_make_space(
if (map->nentries <= slot) {
int i;
int nentries = map->nentries ? map->nentries : 32;
void *tmp;
void **tmp;
while (nentries <= slot)
nentries <<= 1;
tmp = mm_realloc(map->entries, nentries * msize);
tmp = (void **)mm_realloc(map->entries, nentries * msize);
if (tmp == NULL)
return (-1);
for (i = map->nentries; i < nentries; ++i)
(*ctor)((char *)tmp + i * msize);
for (i = map->nentries; i < nentries; ++i) {
tmp[i] = mm_malloc(msize);
assert(tmp[i] != NULL);
(*ctor)(tmp[i]);
}
map->nentries = nentries;
map->entries = tmp;
@ -91,6 +93,9 @@ evmap_clear(struct event_map *ctx)
{
ctx->nentries = 0;
if (ctx->entries != NULL) {
int i;
for (i = 0; i < ctx->nentries; ++i)
mm_free(ctx->entries[i]);
mm_free(ctx->entries);
ctx->entries = NULL;
}