/*********************************************************/
/* toksvc: a framework-native token broker service */
/* Copyright (C) 2020 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.TOKSVC. */
/*********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntapi/ntapi.h>
#include <toksvc/toksvc.h>
#include "toksvc_driver_impl.h"
#include "toksvc_nolibc_impl.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int toks_dprintf(int fd, const char * fmt, ...)
{
int ret;
int cnt;
int size;
va_list ap;
char * ch;
char * buf;
char chbuf[2048];
va_start(ap,fmt);
size = sizeof(chbuf);
buf = ((cnt = ntapi->vsnprintf(chbuf,size,fmt,ap)) < size)
? chbuf : calloc(1, cnt + 1);
va_end(ap);
if (buf == chbuf) {
(void)0;
} else if (buf) {
va_start(ap,fmt);
ntapi->vsprintf(buf,fmt,ap);
va_end(ap);
} else {
return -1;
}
ret = 0;
ch = buf;
for (; cnt && ret>=0; ) {
ret = toks_write(fd,ch,cnt);
while ((ret == -NT_STATUS_ALERTED) || (ret == -NT_STATUS_USER_APC))
ret = toks_write(fd,ch,cnt);
ch += ret;
cnt -= ret;
}
ret = (ret < 0) ? -1 : ch - buf;
if (buf != chbuf)
free(buf);
return ret;
}