repos_ecs/其他2015后/日志库/log4cproj_c/Log4C/sd/sd_xplatform.c

static const char version[] = "$Id$";

/*
* sd_xplatform.c
*
* See the COPYING file for the terms of usage and distribution.
*/
#include <tchar.h>
#include <stdio.h>
#include <string.h>
#include "log4c/defs.h"

#include "sd_xplatform.h"

/****************** getopt *******************************/

#define	EOF	(-1)

int sd_opterr = 1;
int sd_optind = 1;
int sd_optopt = 0;
TCHAR *sd_optarg = NULL;
int _sp = 1;

#define warn(a,b,c) _ftprintf(stderr,a,b,c)

void getopt_reset(void)
{
	sd_opterr = 1;
	sd_optind = 1;
	sd_optopt = 0;
	sd_optarg = NULL;
	_sp = 1;
}

int sd_getopt(int argc, TCHAR *const *argv, const TCHAR *opts)
{
	TCHAR c;
	const TCHAR *cp;

	if (_sp == 1) 
	{
		if (sd_optind >= argc || argv[sd_optind][0] != _T('-') || argv[sd_optind] == NULL || argv[sd_optind][1] == _T('\0'))
			return (EOF);
		else if (_tcscmp(argv[sd_optind], _T("--")) == 0)
		{
			sd_optind++;
			return (EOF);
		}
	}
	sd_optopt = c = (unsigned char)argv[sd_optind][_sp];
	if (c == _T(':') || (cp = _tcschr(opts, c)) == NULL) 
	{
		if (opts[0] != _T(':'))
			warn(_T("%s: illegal option -- %c\n"), argv[0], c);
		if (argv[sd_optind][++_sp] == _T('\0')) 
		{
			sd_optind++;
			_sp = 1;
		}
		return _T('?');
	}

	if (*(cp + 1) == _T(':')) 
	{
		if (argv[sd_optind][_sp+1] != _T('\0'))
			sd_optarg = &argv[sd_optind++][_sp+1];
		else if (++sd_optind >= argc) 
		{
			if (opts[0] != _T(':'))
			{
				warn(_T("%s: option requires an argument -- %c\n"), argv[0], c);
			}
			_sp = 1;
			sd_optarg = NULL;
			return (opts[0] == _T(':') ? _T(':') : _T('?'));
		} 
		else
			sd_optarg = argv[sd_optind++];

		_sp = 1;
	} 
	else 
	{
		if (argv[sd_optind][++_sp] == _T('\0'))
		{
			_sp = 1;
			sd_optind++;
		}
		sd_optarg = NULL;
	}
	return (c);
}

/*****************************  gettimeofday *******************/


#ifdef _WIN32

#if 0 /* also in winsock[2].h */
#define _TIMEVAL_DEFINED
struct timeval {
	long tv_sec;
	long tv_usec;
	long tv_usec;
};
#endif /* _TIMEVAL_DEFINED */

int sd_gettimeofday(LPFILETIME lpft, void* tzp) {

	if (lpft) {
		GetSystemTimeAsFileTime(lpft);
	}
	/* 0 indicates that the call succeeded. */
	return 0;
}
#endif /* _WIN32 */

/*
* Placeholder for WIN32 version to get last changetime of a file
*/
#ifdef WIN32
int sd_stat_ctime(const TCHAR* path, time_t* time)
{ 
	return -1; 
}
#else
int sd_stat_ctime(const char* path, time_t* time)
{
	struct stat astat;
	int statret=stat(path,&astat);
	if (0 != statret)
	{
		return statret;
	}
#ifdef __USE_MISC
	*time=astat.st_ctim.tv_sec;
#else
	*time=astat.st_ctime;
#endif
	return statret;
}
#endif