106 строки
2.2 KiB
C
106 строки
2.2 KiB
C
#include "setup.h"
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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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#ifndef __MINGW32__
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int
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ares_strncasecmp(const char *a, const char *b, int n)
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{
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int i;
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for (i = 0; i < n; i++) {
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int c1 = isupper(a[i]) ? tolower(a[i]) : a[i];
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int c2 = isupper(b[i]) ? tolower(b[i]) : b[i];
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if (c1 != c2) return c1-c2;
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}
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return 0;
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}
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int
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ares_strcasecmp(const char *a, const char *b)
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{
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return strncasecmp(a, b, strlen(a)+1);
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}
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#endif
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/*
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* Number of micro-seconds between the beginning of the Windows epoch
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* (Jan. 1, 1601) and the Unix epoch (Jan. 1, 1970).
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*/
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#if defined(_MSC_VER) || defined(__WATCOMC__)
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#define EPOCH_FILETIME 11644473600000000Ui64
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#else
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#define EPOCH_FILETIME 11644473600000000ULL
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#endif
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int
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ares_gettimeofday(struct timeval *tv, struct timezone *tz)
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{
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FILETIME ft;
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LARGE_INTEGER li;
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__int64 t;
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if (tv)
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{
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GetSystemTimeAsFileTime(&ft);
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li.LowPart = ft.dwLowDateTime;
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li.HighPart = ft.dwHighDateTime;
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t = li.QuadPart / 10; /* In micro-second intervals */
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t -= EPOCH_FILETIME; /* Offset to the Epoch time */
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tv->tv_sec = (long)(t / 1000000);
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tv->tv_usec = (long)(t % 1000000);
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}
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(void) tz;
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return 0;
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}
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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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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 send (s, (const void*)buffer, bytes, 0);
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}
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#endif /* WIN32 builds only */
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