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#include "setup.h"
/* $Id$ */
/* only do the following on windows
*/
#if (defined(WIN32) || defined(WATT32)) && !defined(MSDOS)
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
#include <malloc.h>
#ifdef WATT32
#include <sys/socket.h>
#else
#include "nameser.h"
#endif
#include "ares.h"
#include "ares_private.h"
#ifdef __WATCOMC__
/*
* Watcom needs a DllMain() in order to initialise the clib startup code.
*/
BOOL
WINAPI DllMain (HINSTANCE hnd, DWORD reason, LPVOID reserved)
{
(void) hnd;
(void) reason;
(void) reserved;
return (TRUE);
}
#endif
int
ares_writev (ares_socket_t s, const struct iovec *vector, size_t count)
{
char *buffer, *bp;
size_t i, bytes = 0;
/* Find the total number of bytes to write
*/
for (i = 0; i < count; i++)
bytes += vector[i].iov_len;
if (bytes == 0) /* not an error */
return (0);
/* Allocate a temporary buffer to hold the data
*/
buffer = bp = (char*) alloca (bytes);
if (!buffer)
{
SET_ERRNO(ENOMEM);
return (-1);
}
/* Copy the data into buffer.
*/
for (i = 0; i < count; ++i)
{
memcpy (bp, vector[i].iov_base, vector[i].iov_len);
bp += vector[i].iov_len;
}
return (int)swrite(s, buffer, bytes);
}
#endif /* WIN32 builds only */
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