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/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "common.h"
#include "utf-conv.h"
#include "git2/windows.h"
/*
* Default codepage value
*/
static int _active_codepage = CP_UTF8;
void gitwin_set_codepage(unsigned int codepage)
{
_active_codepage = codepage;
}
unsigned int gitwin_get_codepage(void)
{
return _active_codepage;
}
void gitwin_set_utf8(void)
{
_active_codepage = CP_UTF8;
}
wchar_t* gitwin_to_utf16(const char* str)
{
wchar_t* ret;
size_t cb;
if (!str)
return NULL;
cb = strlen(str) * sizeof(wchar_t);
if (cb == 0)
return (wchar_t *)git__calloc(1, sizeof(wchar_t));
/* Add space for null terminator */
cb += sizeof(wchar_t);
ret = (wchar_t *)git__malloc(cb);
if (!ret)
return NULL;
if (MultiByteToWideChar(_active_codepage, 0, str, -1, ret, (int)cb) == 0) {
giterr_set(GITERR_OS, "Could not convert string to UTF-16");
git__free(ret);
ret = NULL;
}
return ret;
}
int gitwin_append_utf16(wchar_t *buffer, const char *str, size_t len)
{
int result = MultiByteToWideChar(_active_codepage, 0, str, -1, buffer, (int)len);
if (result == 0)
giterr_set(GITERR_OS, "Could not convert string to UTF-16");
return result;
}
char* gitwin_from_utf16(const wchar_t* str)
{
char* ret;
size_t cb;
if (!str)
return NULL;
cb = wcslen(str) * sizeof(char);
if (cb == 0)
return (char *)git__calloc(1, sizeof(char));
/* Add space for null terminator */
cb += sizeof(char);
ret = (char*)git__malloc(cb);
if (!ret)
return NULL;
if (WideCharToMultiByte(_active_codepage, 0, str, -1, ret, (int)cb, NULL, NULL) == 0) {
giterr_set(GITERR_OS, "Could not convert string to UTF-8");
git__free(ret);
ret = NULL;
}
return ret;
}
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