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#if defined(_WIN32) && !defined(_WIN32_WCE)
/*
* Copyright 1999 AvantGo, Inc. All rights reserved.
*
* AGProxyDebug.c
*
* This file contains the functions will write to a buffer
* which is protected by a mutex.
*
*/
#include <stdio.h>
#include <stdarg.h>
#include <AGProxyDebug.h>
static int bufsize = 4096;
static int bib;
/*---------------------------------------------------------------------------*/
void proxyDebugInit(AGClientProcessor *cp)
{
/* Make a mutex cause we are running two threads on win32. */
if (!cp->logMutex)
cp->logMutex = CreateMutex(NULL, FALSE, NULL);
}
/*---------------------------------------------------------------------------*/
void proxyDebugCleanup(AGClientProcessor *cp)
{
if (cp->logMutex)
CloseHandle(cp->logMutex);
/* can't free read buffer here */
}
/*---------------------------------------------------------------------------*/
int proxyDebug(AGClientProcessor *cp, const char *fmt, ...)
{
int ret;
va_list ap;
uint8 *ptr;
int bf;
if (!cp->logMutex)
return -1;
/* Lock mutex */
WaitForSingleObject(cp->logMutex, INFINITE);
if (!cp->debugBuffer) {
bib = 0;
cp->debugBuffer = malloc(bufsize);
if (!cp->debugBuffer) {
ReleaseMutex(cp->logMutex);
return -1;
}
}
/* Compute bytes free */
bf = bufsize - bib;
/* Allright this is pretty hokey, but i really can't imagine
needing to write more than a KB of crap. */
if (bufsize < bf) {
bufsize = bufsize + 4096;
ptr = cp->debugBuffer;
cp->debugBuffer = realloc(ptr, bufsize);
if (!cp->debugBuffer) {
free(ptr);
ReleaseMutex(cp->logMutex);
return -1;
}
/* need to recaluate bytes free */
bf = bufsize - bib;
}
ptr = cp->debugBuffer + bib;
va_start(ap, fmt);
ret = _vsnprintf(ptr, bf, fmt, ap);
va_end( ap );
bib = strlen(cp->debugBuffer);
ReleaseMutex(cp->logMutex);
return ret;
}
#endif
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