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Diffstat (limited to 'src/tool_metalink.c')
-rw-r--r--src/tool_metalink.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/src/tool_metalink.c b/src/tool_metalink.c
index 270345547..bbbfc2a65 100644
--- a/src/tool_metalink.c
+++ b/src/tool_metalink.c
@@ -539,6 +539,7 @@ digest_context *Curl_digest_init(const digest_params *dparams)
ctxt->digest_hash = dparams;
if(dparams->digest_init(ctxt->digest_hashctx) != 1) {
+ free(ctxt->digest_hashctx);
free(ctxt);
return NULL;
}
@@ -557,7 +558,8 @@ int Curl_digest_update(digest_context *context,
int Curl_digest_final(digest_context *context, unsigned char *result)
{
- (*context->digest_hash->digest_final)(result, context->digest_hashctx);
+ if(result)
+ (*context->digest_hash->digest_final)(result, context->digest_hashctx);
free(context->digest_hashctx);
free(context);
@@ -622,6 +624,7 @@ static int check_hash(const char *filename,
result = malloc(digest_def->dparams->digest_resultlen);
if(!result) {
close(fd);
+ Curl_digest_final(dctx, NULL);
return -1;
}
while(1) {
@@ -690,6 +693,8 @@ static metalink_checksum *new_metalink_checksum_from_hex_digest
chksum->digest_def = digest_def;
chksum->digest = digest;
}
+ else
+ free(digest);
return chksum;
}
@@ -781,8 +786,24 @@ static metalinkfile *new_metalinkfile(metalink_file_t *fileinfo)
curl_strequal((*p)->type, "ftp") ||
curl_strequal((*p)->type, "ftps")) {
res = new_metalink_resource((*p)->url);
- tail->next = res;
- tail = res;
+ if(res) {
+ tail->next = res;
+ tail = res;
+ }
+ else {
+ tail = root.next;
+
+ /* clean up the linked list */
+ while(tail) {
+ res = tail->next;
+ free(tail->url);
+ free(tail);
+ tail = res;
+ }
+ free(f->filename);
+ free(f);
+ return NULL;
+ }
}
}
f->resource = root.next;