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#include "tfile_io.h"

#ifdef WIN32

#include <windows.h>
#include <assert.h>

LPSTR AtlW2AHelper(LPSTR lpa, LPCWSTR lpw, int nChars, UINT acp)
{
	assert(lpw != NULL);
	assert(lpa != NULL);
	/*
	 verify that no illegal character present
	 since lpa was allocated based on the size of lpw
  don t worry about the number of chars
*/
	lpa[0] = '\0';
	WideCharToMultiByte(acp, 0, lpw, -1, lpa, nChars, NULL, NULL);
	return lpa;
}

char *convertWCHAR2CHAR(const wchar_t *fname)
{
	int size = 0;
	LPCWSTR lpw = fname;
	char *name = NULL;
	char *outName = 0;
	if (lpw) {
		LPSTR pStr = 0;
		size = (lstrlenW(lpw) + 1) * 2;
		pStr = (LPSTR)malloc(size * sizeof(char));
		name = AtlW2AHelper(pStr, lpw, size, 0);
	}
	return name;
}

#else
#include <stdlib.h>
char *convertWCHAR2CHAR(const wchar_t *wc)
{
	int count = 0;
	const wchar_t *ptr = wc;
	char *c = 0;
	char *buff;
	while ((*ptr) != '\0') {
		++count;
		++ptr;
	}
	c = (char *)malloc((count + 1) * sizeof(char));
	buff = c;
	ptr = wc;
	while ((*ptr) != '\0') {
		*c = *ptr;
		++c;
		++ptr;
	}
	*c = 0;
	return buff;
}
#endif
/*-----------------------------------*/
#if defined(MACOSX) || defined(LINUX)

FILE *_wfopen(const wchar_t *fname, const wchar_t *mode)
{
	char *cfname = convertWCHAR2CHAR(fname);
	char *cmode = convertWCHAR2CHAR(mode);

	FILE *f = fopen(cfname, cmode);
	free(cfname);
	free(cmode);
	return f;
}

/*-----------------------------------*/

int _wstat(const wchar_t *fname, struct stat *buf)
{
	char *cfname = convertWCHAR2CHAR(fname);
	int rc = stat(cfname, buf);

	free(cfname);
	return rc;
}

/*-----------------------------------*/

int _wremove(const wchar_t *fname)
{
	char *cfname = convertWCHAR2CHAR(fname);
	int rc = remove(cfname);

	free(cfname);
	return rc;
}

#endif