mbed_error.c

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #include <stdlib.h>
00017 #include <stdarg.h>
00018 #include "device.h"
00019 #include "platform/mbed_toolchain.h"
00020 #include "platform/mbed_error.h"
00021 #include "platform/mbed_interface.h"
00022 #if DEVICE_STDIO_MESSAGES
00023 #include <stdio.h>
00024 #endif
00025 
00026 static uint8_t error_in_progress = 0;
00027 
00028 WEAK void error(const char* format, ...) {
00029 
00030     // Prevent recursion if error is called again
00031     if (error_in_progress) {
00032         return;
00033     }
00034     error_in_progress = 1;
00035 
00036 #ifndef NDEBUG
00037     va_list arg;
00038     va_start(arg, format);
00039     mbed_error_vfprintf(format, arg);
00040     va_end(arg);
00041 #endif
00042     exit(1);
00043 }