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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 DlMain() 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
#ifndef __MINGW32__
int
ares_strncasecmp(const char *a, const char *b, int n)
{
int i;
for (i = 0; i < n; i++) {
int c1 = ISUPPER(a[i]) ? tolower(a[i]) : a[i];
int c2 = ISUPPER(b[i]) ? tolower(b[i]) : b[i];
if (c1 != c2) return c1-c2;
}
return 0;
}
int
ares_strcasecmp(const char *a, const char *b)
{
return strncasecmp(a, b, strlen(a)+1);
}
#endif
/*
* Number of micro-seconds between the beginning of the Windows epoch
* (Jan. 1, 1601) and the Unix epoch (Jan. 1, 1970).
*/
#if defined(_MSC_VER) || defined(__WATCOMC__)
#define EPOCH_FILETIME 11644473600000000Ui64
#else
#define EPOCH_FILETIME 11644473600000000ULL
#endif
int
ares_gettimeofday(struct timeval *tv, struct timezone *tz)
{
FILETIME ft;
LARGE_INTEGER li;
__int64 t;
if (tv)
{
GetSystemTimeAsFileTime(&ft);
li.LowPart = ft.dwLowDateTime;
li.HighPart = ft.dwHighDateTime;
t = li.QuadPart / 10; /* In micro-second intervals */
t -= EPOCH_FILETIME; /* Offset to the Epoch time */
tv->tv_sec = (long)(t / 1000000);
tv->tv_usec = (long)(t % 1000000);
}
(void) tz;
return 0;
}
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)
{
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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