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Fix use of uninitialized variables

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Building with optimization in debug mode revealed code that could in
theory result in undefined behavior.
This commit is contained in:
Markus Mäkelä
2019-02-06 14:10:19 +02:00
parent cc6665c732
commit 08a05d3ab9
7 changed files with 12 additions and 9 deletions
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3
server/modules/routing/avrorouter/avro_schema.cc
View File

@ -58,7 +58,8 @@ bool json_extract_field_names(const char* filename, std::vector<Column>& columns
bool rval = false;
json_error_t err;
err.text[0] = '\0';
json_t* obj, * arr;
json_t* obj;
json_t* arr = nullptr;
if ((obj = json_load_file(filename, 0, &err)) && (arr = json_object_get(obj, "fields")))
{

6
server/modules/routing/binlogrouter/blr_master.cc
View File

@ -3053,17 +3053,17 @@ void blr_handle_fake_gtid_list(ROUTER_INSTANCE* router,
static bool blr_handle_missing_files(ROUTER_INSTANCE* router,
char* new_file)
{
char* fptr;
char* fptr = strrchr(new_file, '.');
uint32_t new_fseqno;
uint32_t curr_fseqno;
char buf[BLRM_BINLOG_NAME_STR_LEN];
char bigbuf[PATH_MAX + 1];
if (*new_file
&& (fptr = strrchr(new_file, '.')) == NULL)
if (fptr == NULL)
{
return false;
}
if (router->fileroot)
{
MXS_FREE(router->fileroot);