ref: 2ed1a8a8ae18843f39b715e628308a5846945d84
dir: /include/ext4_debug.h/
/*
* 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 __cplusplus
extern "C" {
#endif
#include "ext4_config.h"
#include "ext4_errno.h"
#if !CONFIG_HAVE_OWN_ASSERT
#include <assert.h>
#endif
#include <stdint.h>
#include <stdio.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
/**@brief Debug printf.*/
#define ext4_dbg(m, ...) \
do { \
if ((m) & ext4_dmask_get()) { \
if (!((m) & DEBUG_NOPREFIX)) { \
printf("%s", ext4_dmask_id2str(m)); \
printf("l: %d ", __LINE__); \
} \
printf(__VA_ARGS__); \
fflush(stdout); \
} \
} while (0)
#else
#define ext4_dbg(m, ...) do { } while (0)
#endif
#if CONFIG_DEBUG_ASSERT
/**@brief Debug assertion.*/
#if CONFIG_HAVE_OWN_ASSERT
#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_ */
/**
* @}
*/