SQL_QuoteString can now be used without a DB handle (bug 3427, r=sawce).

dlls/mysqlx/basic_sql.cpp

@@ -519,29 +519,13 @@ static cell AMX_NATIVE_CALL SQL_NextResultSet(AMX *amx, cell *params)
 
 static cell AMX_NATIVE_CALL SQL_QuoteString(AMX *amx, cell *params)
 {
-	IDatabase *pDb = (IDatabase *)GetHandle(params[1], Handle_Database);
-	if (!pDb)
-	{
-		MF_LogError(amx, AMX_ERR_NATIVE, "Invalid database handle: %d", params[1]);
-		return 0;
-	}
-
 	int len;
 	char *str = MF_GetAmxString(amx, params[4], 0, &len);
 	size_t newsize;
 	static char buffer[8192];
 
-	if (pDb->QuoteString(str, buffer, sizeof(buffer)-1, &newsize) == 0)
+	if (params[1] != 0)
 	{
-		MF_SetAmxString(amx, params[2], buffer, params[3]);
-		return newsize;
-	} else {
-		return -1;
-	}
-}
-
-static cell AMX_NATIVE_CALL SQL_QuoteStringFmt(AMX *amx, cell *params)
-{
 		IDatabase *pDb = (IDatabase *)GetHandle(params[1], Handle_Database);
 		if (!pDb)
 		{
@@ -549,11 +533,40 @@ static cell AMX_NATIVE_CALL SQL_QuoteStringFmt(AMX *amx, cell *params)
 			return 0;
 		}
 
+		if (pDb->QuoteString(str, buffer, sizeof(buffer)-1, &newsize) == 0)
+		{
+			MF_SetAmxString(amx, params[2], buffer, params[3]);
+			return newsize;
+		} else {
+			return -1;
+		}
+	} else {
+		if (g_Mysql.QuoteString(str, buffer, sizeof(buffer)-1, &newsize) == 0)
+		{
+			MF_SetAmxString(amx, params[2], buffer, params[3]);
+			return newsize;
+		} else {
+			return -1;
+		}
+	}
+}
+
+static cell AMX_NATIVE_CALL SQL_QuoteStringFmt(AMX *amx, cell *params)
+{
 	int len;
 	char *str = MF_FormatAmxString(amx, params, 4, &len);
 	size_t newsize;
 	static char buffer[8192];
 
+	if (params[1] != 0)
+	{
+		IDatabase *pDb = (IDatabase *)GetHandle(params[1], Handle_Database);
+		if (!pDb)
+		{
+			MF_LogError(amx, AMX_ERR_NATIVE, "Invalid database handle: %d", params[1]);
+			return 0;
+		}
+
 		if (pDb->QuoteString(str, buffer, sizeof(buffer)-1, &newsize) == 0)
 		{
 			MF_SetAmxString(amx, params[2], buffer, params[3]);
@@ -561,6 +574,15 @@ static cell AMX_NATIVE_CALL SQL_QuoteStringFmt(AMX *amx, cell *params)
 		} else {
 			return -1;
 		}
+	} else {
+		if (g_Mysql.QuoteString(str, buffer, sizeof(buffer)-1, &newsize) == 0)
+		{
+			MF_SetAmxString(amx, params[2], buffer, params[3]);
+			return newsize;
+		} else {
+			return -1;
+		}
+	}
 }
 
 AMX_NATIVE_INFO g_BaseSqlNatives[] = 

dlls/mysqlx/mysql/MysqlDriver.cpp

@@ -74,3 +74,23 @@ IDatabase *MysqlDriver::_Connect(DatabaseInfo *info, int *errcode, char *error,
 
 	return static_cast<IDatabase *>(pMysql);
 }
+
+int MysqlDriver::QuoteString(const char *str, char buffer[], size_t maxlen, size_t *newsize)
+{
+	unsigned long size = static_cast<unsigned long>(strlen(str));
+	unsigned long needed = size*2 + 1;
+
+	if (maxlen < needed)
+	{
+		return (int)needed;
+	}
+
+	needed = mysql_escape_string(buffer, str, size);
+	if (newsize)
+	{
+		*newsize = static_cast<size_t>(needed);
+	}
+
+	return 0;
+}
+

dlls/mysqlx/mysql/MysqlDriver.h

@@ -12,6 +12,7 @@ namespace SourceMod
 		IDatabase *Connect2(DatabaseInfo *info, int *errcode, char *error, size_t maxlength);
 		const char *NameString();
 		bool IsCompatDriver(const char *namestring);
+		int QuoteString(const char *str, char buffer[], size_t maxlen, size_t *newsize);
 	public:
 		IDatabase *_Connect(DatabaseInfo *info, int *errcode, char *error, size_t maxlength, bool do_timeout);
 	};

dlls/sqlite/basic_sql.cpp

@@ -519,29 +519,13 @@ static cell AMX_NATIVE_CALL SQL_NextResultSet(AMX *amx, cell *params)
 
 static cell AMX_NATIVE_CALL SQL_QuoteString(AMX *amx, cell *params)
 {
-	IDatabase *pDb = (IDatabase *)GetHandle(params[1], Handle_Database);
-	if (!pDb)
-	{
-		MF_LogError(amx, AMX_ERR_NATIVE, "Invalid database handle: %d", params[1]);
-		return 0;
-	}
-
 	int len;
 	char *str = MF_GetAmxString(amx, params[4], 0, &len);
 	size_t newsize;
 	static char buffer[8192];
 
-	if (pDb->QuoteString(str, buffer, sizeof(buffer)-1, &newsize) == 0)
+	if (params[1] != 0)
 	{
-		MF_SetAmxString(amx, params[2], buffer, params[3]);
-		return newsize;
-	} else {
-		return -1;
-	}
-}
-
-static cell AMX_NATIVE_CALL SQL_QuoteStringFmt(AMX *amx, cell *params)
-{
 		IDatabase *pDb = (IDatabase *)GetHandle(params[1], Handle_Database);
 		if (!pDb)
 		{
@@ -549,11 +533,40 @@ static cell AMX_NATIVE_CALL SQL_QuoteStringFmt(AMX *amx, cell *params)
 			return 0;
 		}
 
+		if (pDb->QuoteString(str, buffer, sizeof(buffer)-1, &newsize) == 0)
+		{
+			MF_SetAmxString(amx, params[2], buffer, params[3]);
+			return newsize;
+		} else {
+			return -1;
+		}
+	} else {
+		if (g_Sqlite.QuoteString(str, buffer, sizeof(buffer)-1, &newsize) == 0)
+		{
+			MF_SetAmxString(amx, params[2], buffer, params[3]);
+			return newsize;
+		} else {
+			return -1;
+		}
+	}
+}
+
+static cell AMX_NATIVE_CALL SQL_QuoteStringFmt(AMX *amx, cell *params)
+{
 	int len;
 	char *str = MF_FormatAmxString(amx, params, 4, &len);
 	size_t newsize;
 	static char buffer[8192];
 
+	if (params[1] != 0)
+	{
+		IDatabase *pDb = (IDatabase *)GetHandle(params[1], Handle_Database);
+		if (!pDb)
+		{
+			MF_LogError(amx, AMX_ERR_NATIVE, "Invalid database handle: %d", params[1]);
+			return 0;
+		}
+
 		if (pDb->QuoteString(str, buffer, sizeof(buffer)-1, &newsize) == 0)
 		{
 			MF_SetAmxString(amx, params[2], buffer, params[3]);
@@ -561,6 +574,15 @@ static cell AMX_NATIVE_CALL SQL_QuoteStringFmt(AMX *amx, cell *params)
 		} else {
 			return -1;
 		}
+	} else {
+		if (g_Sqlite.QuoteString(str, buffer, sizeof(buffer)-1, &newsize) == 0)
+		{
+			MF_SetAmxString(amx, params[2], buffer, params[3]);
+			return newsize;
+		} else {
+			return -1;
+		}
+	}
 }
 
 AMX_NATIVE_INFO g_BaseSqlNatives[] = 

dlls/sqlite/sqlitepp/SqliteDatabase.cpp

@@ -77,3 +77,4 @@ int SqliteDatabase::QuoteString(const char *str, char buffer[], size_t maxlen, s
 
 	return 0;
 }
+

dlls/sqlite/sqlitepp/SqliteDriver.cpp

@@ -63,3 +63,15 @@ IDatabase *SqliteDriver::Connect(DatabaseInfo *info, int *errcode, char *error,
 	}
 }
 
+int SqliteDriver::QuoteString(const char *str, char buffer[], size_t maxlen, size_t *newsize)
+{
+	char *res = sqlite3_snprintf(static_cast<int>(maxlen), buffer, "%q", str);
+
+	if (res != NULL && newsize != NULL)
+	{
+		*newsize = strlen(buffer);
+	}
+
+	return 0;
+}
+

dlls/sqlite/sqlitepp/SqliteDriver.h

@@ -12,6 +12,7 @@ namespace SourceMod
 		IDatabase *Connect2(DatabaseInfo *info, int *errcode, char *error, size_t maxlength);
 		const char *NameString();
 		bool IsCompatDriver(const char *namestr);
+		int QuoteString(const char *str, char buffer[], size_t maxlen, size_t *newsize);
 	};
 };
 

plugins/include/sqlx.inc

@@ -67,7 +67,8 @@ native Handle:SQL_PrepareQuery(Handle:db, const fmt[], any:...);
  * Note: The buffer's maximum size should be 2*strlen(string) to catch
  * all scenarios.
  *
- * @param db				Database handle, for localization.
+ * @param db				Database handle for localization, or Empty_Handle 
+ *                          for when a handle is not available.
  * @param buffer			Buffer to copy to.
  * @param buflen			Maximum size of the buffer.
  * @param string			String to backquote (should not overlap buffer).
@@ -80,7 +81,8 @@ native SQL_QuoteString(Handle:db, buffer[], buflen, const string[]);
  * Note: The buffer's maximum size should be 2*strlen(string) to catch
  * all scenarios.
  *
- * @param db				Database handle, for localization.
+ * @param db				Database handle for localization, or Empty_Handle 
+ *                          for when a handle is not available.
  * @param buffer			Buffer to copy to.
  * @param buflen			Maximum size of the buffer.
  * @param fmt				Format of string to backquote (should not overlap buffer).