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/*
* Linux WiMax
* User Space API Debug Support
*
*
* Copyright (C) 2007-2008 Intel Corporation. All rights reserved.
* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
*
* 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.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT
* OWNER OR CONTRIBUTORS 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.
*
*
* Simple debug printing macros
*
* FIXME: doc
* Invoke like:
*
* #define D_LOCAL 4
* #include "debug.h"
*
* At the end of your include files.
*/
#include <wimaxll.h>
/* Master debug switch; !0 enables, 0 disables */
#define D_MASTER (!0)
/* Local (per-file) debug switch; #define before #including */
#ifndef D_LOCAL
#define D_LOCAL 0
#endif
#undef __d_printf
#undef d_fnstart
#undef d_fnend
#undef d_printf
#undef d_dump
static inline
void __d_dev_head(char *head, size_t size, const struct wimaxll_handle *_dev)
{
if (_dev == NULL)
snprintf(head, size, "libwimax: ");
else if ((unsigned long)_dev < 4096) {
fprintf(stderr, "libwimax: E: Corrupt "
"device handle %p\n", _dev);
snprintf(head, size, "libwimax[dev_n/a]: ");
} else
snprintf(head, size,
"libwimax[%s]: ", _dev->name);
}
#define __d_printf(l, _tag, _dev, f, a...) \
do { \
const struct wimaxll_handle *__dev = (_dev); \
if (D_MASTER && D_LOCAL >= (l)) { \
char __head[64] = ""; \
__d_dev_head(__head, sizeof(__head), __dev); \
fprintf(stderr, "%s%s" _tag ": " f, __head, \
__func__, ## a); \
} \
} while (0 && _dev)
#define d_fnstart(l, _dev, f, a...) __d_printf(l, " FNSTART", _dev, f, ## a)
#define d_fnend(l, _dev, f, a...) __d_printf(l, " FNEND", _dev, f, ## a)
#define d_printf(l, _dev, f, a...) __d_printf(l, "", _dev, f, ## a)
#define d_test(l) (D_MASTER && D_LOCAL >= (l))
static inline
void __d_dump(const struct wimaxll_handle *dev,
const void *_ptr, size_t size)
{
const unsigned char *ptr = _ptr;
char str[64];
size_t cnt, itr;
for (itr = cnt = 0; cnt < size; cnt++) {
itr += snprintf(str + itr, sizeof(str) - itr,
"%02x ", ptr[cnt]);
if ((cnt > 0 && (cnt + 1) % 8 == 0) || (cnt == size - 1)) {
__d_printf(D_LOCAL, "", dev, "%s\n", str);
itr = 0;
}
}
}
#define d_dump(l, dev, ptr, size) \
do { \
if (d_test(l)) \
__d_dump(dev, ptr, size); \
} while (0)
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