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authorAndrei Karas <akaras@inbox.ru>2016-09-27 18:56:14 +0300
committerAndrei Karas <akaras@inbox.ru>2016-10-04 15:33:43 +0300
commitd2fec9282cfd51ac3f83855e2e843644ab7a9a27 (patch)
treefdafc0f431a3f28d1017e9dae3827e5e387c5886 /src
parent008fde45751253104efa27e5bc7b508ae9df527c (diff)
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Add missing checks into sql.c
Diffstat (limited to 'src')
-rw-r--r--src/common/sql.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/src/common/sql.c b/src/common/sql.c
index 8da105872..c80edbce4 100644
--- a/src/common/sql.c
+++ b/src/common/sql.c
@@ -144,6 +144,7 @@ int Sql_GetColumnNames(struct Sql *self, const char *table, char *out_buf, size_
size_t len;
size_t off = 0;
+ nullpo_retr(SQL_ERROR, out_buf);
if( self == NULL || SQL_ERROR == SQL->Query(self, "EXPLAIN `%s`", table) )
return SQL_ERROR;
@@ -377,7 +378,8 @@ void Sql_ShowDebug_(struct Sql *self, const char *debug_file, const unsigned lon
}
/// Frees a Sql handle returned by Sql_Malloc.
-void Sql_Free(struct Sql *self) {
+void Sql_Free(struct Sql *self)
+{
if( self )
{
SQL->FreeResult(self);
@@ -414,6 +416,7 @@ static enum enum_field_types Sql_P_SizeToMysqlIntType(int sz)
/// @private
static int Sql_P_BindSqlDataType(MYSQL_BIND* bind, enum SqlDataType buffer_type, void* buffer, size_t buffer_len, unsigned long* out_length, int8* out_is_null)
{
+ nullpo_retr(SQL_ERROR, bind);
memset(bind, 0, sizeof(MYSQL_BIND));
switch( buffer_type )
{
@@ -494,7 +497,8 @@ static int Sql_P_BindSqlDataType(MYSQL_BIND* bind, enum SqlDataType buffer_type,
/// Prints debug information about a field (type and length).
///
/// @private
-static void Sql_P_ShowDebugMysqlFieldInfo(const char* prefix, enum enum_field_types type, int is_unsigned, unsigned long length, const char* length_postfix) {
+static void Sql_P_ShowDebugMysqlFieldInfo(const char* prefix, enum enum_field_types type, int is_unsigned, unsigned long length, const char* length_postfix)
+{
const char *sign = (is_unsigned ? "UNSIGNED " : "");
const char *type_string = NULL;
switch (type) {
@@ -535,6 +539,7 @@ static void SqlStmt_P_ShowDebugTruncatedColumn(struct SqlStmt *self, size_t i)
MYSQL_FIELD* field;
MYSQL_BIND* column;
+ nullpo_retv(self);
meta = mysql_stmt_result_metadata(self->stmt);
field = mysql_fetch_field_direct(meta, (unsigned int)i);
ShowSQL("DB error - data of field '%s' was truncated.\n", field->name);
@@ -874,8 +879,10 @@ void SqlStmt_Free(struct SqlStmt *self)
aFree(self);
}
}
+
/* receives mysql error codes during runtime (not on first-time-connects) */
-void hercules_mysql_error_handler(unsigned int ecode) {
+void hercules_mysql_error_handler(unsigned int ecode)
+{
switch( ecode ) {
case 2003:/* Can't connect to MySQL (this error only happens here when failing to reconnect) */
if( mysql_reconnect_type == 1 ) {
@@ -1041,10 +1048,13 @@ void Sql_HerculesUpdateSkip(struct Sql *self, const char *filename)
return;
}
-void Sql_Init(void) {
+void Sql_Init(void)
+{
Sql_inter_server_read("conf/common/inter-server.conf", false); // FIXME: Hardcoded path
}
-void sql_defaults(void) {
+
+void sql_defaults(void)
+{
SQL = &sql_s;
SQL->Connect = Sql_Connect;