/* * Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright *   notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright *   notice, this list of conditions and the following disclaimer in the *   documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products *   derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup lwext4 * @{ *//** * @file  ext4_debug.c * @brief Debug printf and assert macros. */ #ifndef EXT4_DEBUG_H_#define EXT4_DEBUG_H_ #ifdef __cplusplusextern "C" {#endif #include <ext4_config.h>#include <ext4_errno.h> #if !CONFIG_HAVE_OWN_ASSERT#include <assert.h>#endif #include <stdint.h>#include <inttypes.h> #ifndef PRIu64#define PRIu64 "llu"#endif #ifndef PRId64#define PRId64 "lld"#endif  #define DEBUG_BALLOC (1ul << 0)#define DEBUG_BCACHE (1ul << 1)#define DEBUG_BITMAP (1ul << 2)#define DEBUG_BLOCK_GROUP (1ul << 3)#define DEBUG_BLOCKDEV (1ul << 4)#define DEBUG_DIR_IDX (1ul << 5)#define DEBUG_DIR (1ul << 6)#define DEBUG_EXTENT (1ul << 7)#define DEBUG_FS (1ul << 8)#define DEBUG_HASH (1ul << 9)#define DEBUG_IALLOC (1ul << 10)#define DEBUG_INODE (1ul << 11)#define DEBUG_SUPER (1ul << 12)#define DEBUG_XATTR (1ul << 13)#define DEBUG_MKFS (1ul << 14)#define DEBUG_EXT4 (1ul << 15)#define DEBUG_JBD (1ul << 16)#define DEBUG_MBR (1ul << 17) #define DEBUG_NOPREFIX (1ul << 31)#define DEBUG_ALL (0xFFFFFFFF) static inline const char *ext4_dmask_id2str(uint32_t m){	switch(m) {	case DEBUG_BALLOC:		return "ext4_balloc: ";	case DEBUG_BCACHE:		return "ext4_bcache: ";	case DEBUG_BITMAP:		return "ext4_bitmap: ";	case DEBUG_BLOCK_GROUP:		return "ext4_block_group: ";	case DEBUG_BLOCKDEV:		return "ext4_blockdev: ";	case DEBUG_DIR_IDX:		return "ext4_dir_idx: ";	case DEBUG_DIR:		return "ext4_dir: ";	case DEBUG_EXTENT:		return "ext4_extent: ";	case DEBUG_FS:		return "ext4_fs: ";	case DEBUG_HASH:		return "ext4_hash: ";	case DEBUG_IALLOC:		return "ext4_ialloc: ";	case DEBUG_INODE:		return "ext4_inode: ";	case DEBUG_SUPER:		return "ext4_super: ";	case DEBUG_XATTR:		return "ext4_xattr: ";	case DEBUG_MKFS:		return "ext4_mkfs: ";	case DEBUG_JBD:		return "ext4_jbd: ";	case DEBUG_MBR:		return "ext4_mbr: ";	case DEBUG_EXT4:		return "ext4: ";	}	return "";}#define DBG_NONE  ""#define DBG_INFO  "[info]  "#define DBG_WARN  "[warn]  "#define DBG_ERROR "[error] " /**@brief   Global mask debug set. * @brief   m new debug mask.*/void ext4_dmask_set(uint32_t m); /**@brief   Global mask debug clear. * @brief   m new debug mask.*/void ext4_dmask_clr(uint32_t m); /**@brief   Global debug mask get. * @return  debug mask*/uint32_t ext4_dmask_get(void); #if CONFIG_DEBUG_PRINTF#include <stdio.h> /**@brief   Debug printf.*/#define ext4_dbg(m, ...) \	do { \		if ((m) & ext4_dmask_get()) { \			if (!((m) & DEBUG_NOPREFIX)) { \				fprintf(stderr, "%s: %s", __func__, ext4_dmask_id2str(m)); \			} \			fprintf(stderr, __VA_ARGS__); \			fflush(stderr); \		} \	} while (0)#else#define ext4_dbg(m, ...) do { } while (0)#endif #if CONFIG_DEBUG_ASSERT/**@brief   Debug assertion.*/#if CONFIG_HAVE_OWN_ASSERT#include <stdio.h> #define ext4_assert(_v)                                                        \	do {                                                                   \		if (!(_v)) {                                                   \			printf("assertion failed:\nfile: %s\nline: %d\n",      \			       __FILE__, __LINE__);                            \			       while (1)				       \				       ;				       \		}                                                              \	} while (0)#else#define ext4_assert(_v) assert(_v)#endif#else#define ext4_assert(_v) ((void)(_v))#endif #ifdef __cplusplus}#endif #endif /* EXT4_DEBUG_H_ */ /** * @} */