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Prevent AsyncConnect from crashing on memory allocation failures.

This commit is contained in:
Henri Doreau 2013-01-22 15:53:17 +01:00
parent 814be4f5bd
commit d7e3268f48
1 changed files with 14 additions and 1 deletions
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15
async.c
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@ -102,7 +102,12 @@ static dictType callbackDict = {
};
static redisAsyncContext *redisAsyncInitialize(redisContext *c) {
redisAsyncContext *ac = realloc(c,sizeof(redisAsyncContext));
redisAsyncContext *ac;
ac = realloc(c,sizeof(redisAsyncContext));
if (ac == NULL)
return NULL;
c = &(ac->c);
/* The regular connect functions will always set the flag REDIS_CONNECTED.
@ -150,6 +155,11 @@ redisAsyncContext *redisAsyncConnect(const char *ip, int port) {
return NULL;
ac = redisAsyncInitialize(c);
if (ac == NULL) {
redisFree(c);
return NULL;
}
__redisAsyncCopyError(ac);
return ac;
}
@ -194,6 +204,9 @@ static int __redisPushCallback(redisCallbackList *list, redisCallback *source) {
/* Copy callback from stack to heap */
cb = malloc(sizeof(*cb));
if (cb == NULL)
return REDIS_ERR_OOM;
if (source != NULL) {
memcpy(cb,source,sizeof(*cb));
cb->next = NULL;