#ifndef COMMON_H

#define COMMON_H

#define rd_inline                   static __inline

#define RD_SUCCESS 0  //成功
#define RD_FAILURE -1 //失败
#define RD_NULL    -2 //对象为空
#define RD_INVALUE -3 //非法参数

/* 跨平台弱符号宏定义 */
#if defined(__GNUC__) || defined(__clang__) || defined(__SUNPRO_CC) || defined(__SUNPRO_C)
    /* GCC, Clang, SunPro 系列 */
    #define WEAK __attribute__((weak))
    
#elif defined(__IAR_SYSTEMS_ICC__)
    /* IAR Embedded Workbench */
    #define WEAK __weak
    
#elif defined(__CC_ARM) || defined(__ARMCC_VERSION)
    /* Keil MDK / ARM Compiler */
    #define WEAK __weak
    
#elif defined(_MSC_VER)
    /* Microsoft Visual C++ */
    /* 或者干脆定义为空，但需要确保不会重复定义 */
    #define WEAK
    
#else
    /* 其他未知编译器，保守处理 */
    #error "Weak symbol not supported on this compiler"
    #define WEAK
    /* 可以添加警告：#warning "Weak symbol not supported on this compiler" */
#endif

    #include "elog.h"

#ifdef __RTTHREAD__
    #include <rtthread.h>
    #include <shell.h>
    #define RD_PRINTF rt_kprintf
    #define RD_SPRINTF rt_sprintf
    #define RD_SNPRINTF rt_snprintf
    #define RD_VSNPRINTF rt_vsnprintf
    #define RD_GETCHAR finsh_getchar
    #define RD_STRLEN rt_strlen
    #define RD_STRCMP rt_strcmp
    #define RD_STRNCMP rt_strncmp
    #define RD_STRCPY rt_strcpy
    #define RD_MEMCPY rt_memcpy
    #define RD_STRNCPY rt_strncpy
    #define RD_MEMSET rt_memset
    #define RD_MEMCMP rt_memcmp
    #define RD_MEMMOVE rt_memmove
    // ... RT 实现
#else
    #include <stdio.h>
    #define RD_PRINTF printf
    #define RD_SPRINTF sprintf
    #define RD_SNPRINTF snprintf
    #define RD_VSNPRINTF vsnprintf
    #include <stdlib.h>
    #define RD_GETCHAR getchar
    #include <string.h>
    #define RD_STRLEN strlen
    #define RD_STRCMP strcmp
    #define RD_STRNCMP strncmp
    #define RD_STRCPY strcpy
    #define RD_STRNCPY strncpy
    #define RD_MEMCPY memcpy
    #define RD_MEMSET memset
    #define RD_MEMCMP memcmp
    #define RD_MEMMOVE memmove
    // ... Linux 实现
#endif

#define RD_ALIGN_SIZE 4//四字节对齐

/**
 * @def RD_ALIGN(size, align)
 * Return the most contiguous size aligned at specified width. RD_ALIGN(13, 4)
 * would return 16.
 */
#define RD_ALIGN(size, align)           (((size) + (align) - 1) & ~((align) - 1))

/**
 * @def RD_ALIGN_DOWN(size, align)
 * Return the down number of aligned at specified width. RD_ALIGN_DOWN(13, 4)
 * would return 12.
 */
#define RD_ALIGN_DOWN(size, align)      ((size) & ~((align) - 1))

extern void* Rd_MemPoolMalloc(size_t size);
extern void Rd_MemPoolFree(void* ptr);
extern void* Rd_MemPoolCalloc(size_t n, size_t size);
extern void* Rd_MemPoolRealloc(void* ptr, size_t new_size);
    
#define RD_MALLOC Rd_MemPoolMalloc
#define RD_CALLOC Rd_MemPoolCalloc
#define RD_REALLOC Rd_MemPoolRealloc
#define RD_FREE Rd_MemPoolFree

/**
 * @brief  Rd_String2Array
 * @note   将字符串按照一定的分割符分割为字符串数组
 * @param  _pSrc: 输入的字符串
 * @param  _pRes[]: 输出的字符串数组
 * @param  _iNum: 字符串的数组元素数
 * @param  _Ptr: 分割符
 * @retval 0成功，非0失败
 */
int Rd_String2Array(char *_pSrc, char *_pRes[], int _iNum, char *_Ptr);

/**
 * @brief  Rd_Array2String
 * @note   将字符串数组用一定的连接符拼接成字符串
 * @param  _pRes: 存放输出的字符串
 * @param  _iLen: 字符串长度
 * @param  _pSrc[]: 输入的字符串数组
 * @param  _iNum: 字符串的数组元素数
 * @param  _Ptr: 连接符
 * @retval 0成功，非0失败
 */
int Rd_Array2String(char *_pRes, int _iLen, char *_pSrc[], int _iNum, char *_Ptr);
int Rd_FileExists(const char *_psPath);
int Rd_RegularFileExists(const char *_psPath);

#ifdef BUILD_LOG
extern void Rd_ElogEnableStrong(void);
#endif
#ifdef BUILD_PLATFORM_LINUX
extern void Rd_LinuxEnableStrong(void);
extern void Rd_ThreadEnableStrong(void);
#endif
#ifdef BUILD_PLATFORM_WIN32
extern void Rd_Win32EnableStrong(void);
#endif
#ifdef BUILD_BSPMCU
extern void Rd_lstm32EnableStrong(void);
#endif

#ifdef BUILD_LOG
    #define INIT_LOG_PART() do { Rd_ElogEnableStrong(); } while(0)
#else
    #define INIT_LOG_PART() do {} while(0)
#endif

#ifdef BUILD_PLATFORM_LINUX
    #define INIT_LINUX_PART() do { Rd_LinuxEnableStrong(); Rd_ThreadEnableStrong();} while(0)
#else
    #define INIT_LINUX_PART() do {} while(0)
#endif

#ifdef BUILD_PLATFORM_WIN32
    #define INIT_WIN32_PART() do { Rd_Win32EnableStrong(); } while(0)
#else
    #define INIT_WIN32_PART() do {} while(0)
#endif

#ifdef BUILD_BSPMCU
    #define INIT_BSPMCU_PART() do { Rd_lstm32EnableStrong(); } while(0)
#else
    #define INIT_BSPMCU_PART() do {} while(0)
#endif

#define RD_INIT() \
    do { \
        INIT_LOG_PART(); \
        extern void Rd_MemPoolInit_Auto(void); \
        Rd_MemPoolInit_Auto(); \
        INIT_LINUX_PART(); \
        INIT_WIN32_PART(); \
        INIT_BSPMCU_PART(); \
    } while(0)

#endif /* end of include guard: COMMON_H */