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-rw-r--r--lib/easy.c2
-rw-r--r--lib/multi.c2
-rw-r--r--lib/url.c18
3 files changed, 13 insertions, 9 deletions
diff --git a/lib/easy.c b/lib/easy.c
index 7701ce8e5..70aa5a097 100644
--- a/lib/easy.c
+++ b/lib/easy.c
@@ -544,7 +544,7 @@ CURLcode curl_easy_perform(CURL *curl)
if(!data->state.connc) {
/* oops, no connection cache, make one up */
- data->state.connc = Curl_mk_connc(CONNCACHE_PRIVATE, -1);
+ data->state.connc = Curl_mk_connc(CONNCACHE_PRIVATE, -1L);
if(!data->state.connc)
return CURLE_OUT_OF_MEMORY;
}
diff --git a/lib/multi.c b/lib/multi.c
index 25c8b9a9c..2c5b6d94d 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -382,7 +382,7 @@ CURLM *curl_multi_init(void)
return NULL;
}
- multi->connc = Curl_mk_connc(CONNCACHE_MULTI, -1);
+ multi->connc = Curl_mk_connc(CONNCACHE_MULTI, -1L);
if(!multi->connc) {
Curl_hash_destroy(multi->sockhash);
Curl_hash_destroy(multi->hostcache);
diff --git a/lib/url.c b/lib/url.c
index 1ef52e8ec..840eefeb7 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -531,22 +531,23 @@ struct conncache *Curl_mk_connc(int type,
struct conncache *c;
long default_amount;
+ long max_amount = (long)(((size_t)INT_MAX) / sizeof(struct connectdata *));
if(type == CONNCACHE_PRIVATE) {
- default_amount = (amount < 0) ? 5 : amount;
+ default_amount = (amount < 1L) ? 5L : amount;
}
else {
- default_amount = (amount < 0) ? 10 : amount;
+ default_amount = (amount < 1L) ? 10L : amount;
}
- c= calloc(sizeof(struct conncache), 1);
+ if(default_amount > max_amount)
+ default_amount = max_amount;
+
+ c = calloc(1, sizeof(struct conncache));
if(!c)
return NULL;
- if((size_t)(default_amount) > ((size_t)-1) / sizeof(struct connectdata *))
- default_amount = ((size_t)-1) / sizeof(struct connectdata *);
-
- c->connects = calloc(sizeof(struct connectdata *), (size_t)default_amount);
+ c->connects = calloc((size_t)default_amount, sizeof(struct connectdata *));
if(!c->connects) {
free(c);
return NULL;
@@ -564,6 +565,7 @@ CURLcode Curl_ch_connc(struct SessionHandle *data,
{
long i;
struct connectdata **newptr;
+ long max_amount = (long)(((size_t)INT_MAX) / sizeof(struct connectdata *));
if(newamount < 1)
newamount = 1; /* we better have at least one entry */
@@ -596,6 +598,8 @@ CURLcode Curl_ch_connc(struct SessionHandle *data,
data->state.lastconnect = -1;
}
if(newamount > 0) {
+ if(newamount > max_amount)
+ newamount = max_amount;
newptr = realloc(c->connects, sizeof(struct connectdata *) * newamount);
if(!newptr)
/* we closed a few connections in vain, but so what? */