size_t dc_fwrite(const void *ptr, size_t size, size_t items, FILE *fp)
{
int rc ;
struct vsp_node *node;
node = get_vsp_node(FILE_NO(fp));
if( node == NULL ) {
return system_fwrite( ptr, size, items, fp);
}
rc= dc_real_write(node,ptr,size*items) ;
switch(rc) {
case -1:
#if defined(__linux__) || defined(__GNU__) || defined(__FreeBSD_kernel__) || defined(__CYGWIN__)
((FILE *)fp)->_flags |= _IO_ERR_SEEN ;
#else
((FILE *)fp)->_flag |= _IOERR ;
#endif
rc= 0 ;
break ;
case 0:
#if defined(__linux__) || defined(__GNU__) || defined(__FreeBSD_kernel__) || defined(__CYGWIN__)
((FILE *)fp)->_flags |= _IO_EOF_SEEN ;
#else
((FILE *)fp)->_flag |= _IOEOF ;
#endif
break ;
default:
rc= (rc+size-1)/size ;
break ;
}
m_unlock(&node->mux);
return rc ;
}
NSAPI_PUBLIC int netbuf_buf2file(netbuf *buf, SYS_FILE sd, int len)
{
register int n = len, t, ns;
ns = 0;
/* First, flush the current buffer */
t = buf->cursize - buf->pos;
if((n != -1) && (t > n))
t = n;
if((t) && (sd != SYS_NET_ERRORFD)) {
#if defined(OSF1) || defined(HPUX) || defined(SNI)
OSF_label4:
#endif
if(system_fwrite(sd, (char *)&buf->inbuf[buf->pos], t) == IO_ERROR) {
#if defined(OSF1) || defined(HPUX) || defined(SNI)
if(errno == EINTR) goto OSF_label4;
#endif
buf->errmsg = system_errmsg();
return IO_ERROR;
}
ns += t;
}
buf->pos += t;
if(n != -1) {
n -= t;
if(!n)
return ns;
}
else
t = buf->maxsize;
/* Now, keep blasting until done */
while(1) {
if(n != -1)
t = (n < buf->maxsize ? n : buf->maxsize);
#if defined(OSF1) || defined(HPUX) || defined(SNI)
OSF_label5:
#endif
switch(netbuf_grab(buf, t)) {
case IO_ERROR:
#if defined(OSF1) || defined(HPUX) || defined(SNI)
if(errno == EINTR) goto OSF_label5;
#endif
return IO_ERROR;
case IO_EOF:
if(n == -1)
return ns;
else {
buf->errmsg = "premature EOF";
return IO_ERROR;
}
default:
if(sd != SYS_NET_ERRORFD) {
#if defined(OSF1) || defined(HPUX)
OSF_label6:
#endif
if(system_fwrite(sd, (char *)(buf->inbuf), buf->cursize) == IO_ERROR) {
#if defined(OSF1) || defined(HPUX)
if(errno == EINTR) goto OSF_label6;
#endif
buf->errmsg = system_errmsg();
return IO_ERROR;
}
ns += buf->cursize;
}
if(n != -1) {
n -= buf->cursize;
if(!n)
return ns;
}
break;
}
}
}
