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Fix crash in mysql_select_db if db is null

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This commit is contained in:
Georg Richter
2018-06-13 17:28:50 +02:00
parent 32246542a3
commit 5b01cd608a
1 changed files with 2 additions and 1 deletions
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3
libmariadb/mariadb_lib.c
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@@ -1779,7 +1779,8 @@ mysql_select_db(MYSQL *mysql, const char *db)
{ {
int error; int error;
if ((error=ma_simple_command(mysql, COM_INIT_DB,db,(uint) strlen(db),0,0))) if ((error=ma_simple_command(mysql, COM_INIT_DB, db,
db ? (uint) strlen(db) : 0,0,0)))
return(error); return(error);
free(mysql->db); free(mysql->db);
mysql->db=strdup(db); mysql->db=strdup(db);