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