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#include <string.h>
#include <stdlib.h>
#include <windows.h>
#include "debuglog.hpp"
LogFile::LogFile(char const * const _fname) : fname(0) , ever_written(0)
{
FILE * fp = fopen(_fname,"w");
if (fp)
{
fclose(fp);
fname = new char[strlen(_fname)+1];
strcpy(fname,_fname);
return;
}
char const * path = getenv("TEMP");
if (!path) path = getenv("TMP");
if (!path) return;
fname = new char[strlen(path)+1+strlen(_fname)+1];
strcpy(fname,path);
strncat(fname,"\\",1);
strcat(fname,_fname);
fp = fopen(fname,"w");
if (fp)
fclose(fp);
else
{
delete[] fname;
fname = 0;
}
}
LogFile::~LogFile()
{
if (unwritten.size())
{
FILE * fp = fopen(fname,"a");
for (int attempt=0; !fp && attempt<10; ++attempt)
{
Sleep(100);
fp = fopen(fname,"a");
}
if (fp)
{
FlushOut(fp);
fclose(fp);
}
}
if (fname) delete[] fname;
}
LogFile & LogFile::operator = (LogFile const & l)
{
if (&l != this)
{
if (fname) delete[] fname;
if (l.fname)
{
fname = new char[strlen(l.fname)+1];
strcpy(fname,l.fname);
}
else
fname = 0;
unwritten = l.unwritten;
ever_written = l.ever_written;
}
return *this;
}
LogFile::LogFile(LogFile const & l)
: unwritten(l.unwritten)
, ever_written(l.ever_written)
{
if (l.fname)
{
fname = new char[strlen(l.fname)+1];
strcpy(fname,l.fname);
}
else
fname = 0;
}
void LogFile::FlushOut(FILE * fp)
{
while (unwritten.size())
{
char * str = unwritten.first_entry();
unwritten.delete_first_entry();
fputs(str,fp);
delete[] str;
}
}
int vlfprintf(LOGFILE * lfp, char const * format, va_list args )
{
return lfp->vlprintf(format,args);
}
int lfprintf(LOGFILE * lfp, char const * format, ... )
{
va_list ap;
va_start(ap, format);
int rv = lfp->vlprintf(format,ap);
va_end(ap);
return rv;
}
int lfputs(LOGFILE * lfp, char const * str)
{
return lfp->lputs(str);
}
LOGFILE * lfopen(char const * fname)
{
return new LogFile(fname);
}
void lfclose(LOGFILE * lfp)
{
delete lfp;
}
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