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/*
* This file is part of libbluray
* Copyright (C) 2009-2010 Obliter0n
* Copyright (C) 2009-2010 John Stebbins
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include "logging.h"
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
static debug_mask_t debug_mask = DBG_CRIT;
static BD_LOG_FUNC log_func = NULL;
void bd_set_debug_handler(BD_LOG_FUNC f)
{
log_func = f;
}
void bd_set_debug_mask(uint32_t mask)
{
debug_mask = mask;
}
uint32_t bd_get_debug_mask(void)
{
return debug_mask;
}
char *print_hex(char *out, const uint8_t *buf, int count)
{
int zz;
for(zz = 0; zz < count; zz++) {
sprintf(out + (zz * 2), "%02X", buf[zz]);
}
return out;
}
void bd_debug(const char *file, int line, uint32_t mask, const char *format, ...)
{
static int debug_init = 0;
static FILE *logfile = NULL;
// Only call getenv() once.
if (!debug_init) {
debug_init = 1;
logfile = stderr;
char *env = NULL;
if ((env = getenv("BD_DEBUG_MASK")))
debug_mask = strtol(env, NULL, 0);
// Send DEBUG to file?
if ((env = getenv("BD_DEBUG_FILE"))) {
FILE *fp = fopen(env, "wb");
if (fp) {
logfile = fp;
setvbuf(logfile, NULL, _IOLBF, 0);
} else {
fprintf(logfile, "%s:%d: Error opening log file %s\n", __FILE__, __LINE__, env);
}
}
}
if (mask & debug_mask) {
char buffer[512], *pt = buffer;
va_list args;
pt += sprintf(buffer, "%s:%d: ", file, line);
va_start(args, format);
vsprintf(pt, format, args);
va_end(args);
if (log_func) {
log_func(buffer);
} else {
fprintf(logfile, "%s", buffer);
}
}
}
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