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/* debug.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include "srtypes.h"
#include "threadlib.h"
#include "rip_manager.h"
#include "mchar.h"
#include "debug.h"
#if WIN32
#define vsnprintf _vsnprintf
#define vswprintf _vsnwprintf
#else
/* This prototype is missing in some systems */
int vswprintf (wchar_t * ws, size_t n, const wchar_t * format, va_list arg);
#endif
/*****************************************************************************
* Public functions
*****************************************************************************/
#define DEBUG_BUF_LEN 2048
int debug_on = 0;
FILE* gcsfp = 0;
static HSEM m_debug_lock;
static char* debug_filename = 0;
static char filename_buf[SR_MAX_PATH];
static char* default_filename = "gcs.txt";
static int debug_initialized = 0;
void
debug_set_filename (char* filename)
{
sr_strncpy (filename_buf, filename, SR_MAX_PATH);
debug_filename = filename_buf;
}
void
debug_enable (void)
{
debug_on = 1;
if (!debug_filename) {
debug_filename = default_filename;
}
}
void
debug_open (void)
{
if (!debug_on) return;
if (!gcsfp) {
gcsfp = fopen(debug_filename, "a");
if (!gcsfp) {
debug_on = 0;
}
}
}
void
debug_close (void)
{
if (!debug_on) return;
if (gcsfp) {
fclose(gcsfp);
gcsfp = 0;
}
}
void
debug_printf (char* fmt, ...)
{
int was_open = 1;
va_list argptr;
if (!debug_on) {
return;
}
if (!debug_initialized) {
m_debug_lock = threadlib_create_sem();
threadlib_signal_sem(&m_debug_lock);
}
threadlib_waitfor_sem (&m_debug_lock);
va_start (argptr, fmt);
if (!gcsfp) {
was_open = 0;
debug_open();
if (!gcsfp) return;
}
if (!debug_initialized) {
debug_initialized = 1;
fprintf (gcsfp, "=========================\n");
fprintf (gcsfp, "STREAMRIPPER " SRPLATFORM " " SRVERSION "\n");
}
vfprintf (gcsfp, fmt, argptr);
fflush (gcsfp);
va_end (argptr);
if (!was_open) {
debug_close ();
}
threadlib_signal_sem (&m_debug_lock);
}
void
debug_print_error (void)
{
#if defined (WIN32)
LPVOID lpMsgBuf;
FormatMessage (
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL
);
debug_printf ("%s", lpMsgBuf);
LocalFree (lpMsgBuf);
#endif
}
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