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xs/libgit2/src/win32/posix_w32.c  view on Meta::CPAN

	if (buffer == NULL) {
		int buffer_sz = WideCharToMultiByte(CP_UTF8, 0, buffer_w, -1, NULL, 0, NULL, NULL);

		if (!buffer_sz ||
			!(buffer = (char *)git__malloc(buffer_sz)) ||
			!WideCharToMultiByte(CP_UTF8, 0, buffer_w, -1, buffer, buffer_sz, NULL, NULL))
		{
			git__free(buffer);
			buffer = NULL;
		}
	} else {
		if (!WideCharToMultiByte(CP_UTF8, 0, buffer_w, -1, buffer, GIT_PATH_MAX, NULL, NULL))
			buffer = NULL;
	}

done:
	git__free(buffer_w);
	if (buffer)
		git_path_mkposix(buffer);
	return buffer;
}

int p_vsnprintf(char *buffer, size_t count, const char *format, va_list argptr)
{
#ifdef _MSC_VER
	int len = _vsnprintf(buffer, count, format, argptr);
	return (len < 0) ? _vscprintf(format, argptr) : len;
#else /* MinGW */
	return vsnprintf(buffer, count, format, argptr);
#endif
}

int p_snprintf(char *buffer, size_t count, const char *format, ...)
{
	va_list va;
	int r;

	va_start(va, format);
	r = p_vsnprintf(buffer, count, format, va);
	va_end(va);

	return r;
}

extern int p_creat(const char *path, mode_t mode);

int p_mkstemp(char *tmp_path)
{
#if defined(_MSC_VER)
	if (_mktemp_s(tmp_path, strlen(tmp_path) + 1) != 0)
		return GIT_EOSERR;
#else
	if (_mktemp(tmp_path) == NULL)
		return GIT_EOSERR;
#endif

	return p_creat(tmp_path, 0744);
}

int p_setenv(const char* name, const char* value, int overwrite)
{
	if (overwrite != 1)
		return EINVAL;

	return (SetEnvironmentVariableA(name, value) == 0 ? GIT_EOSERR : GIT_SUCCESS);
}

int p_access(const char* path, mode_t mode)
{
	wchar_t *buf = gitwin_to_utf16(path);
	int ret;

	ret = _waccess(buf, mode);
	git__free(buf);

	return ret;
}

extern int p_rename(const char *from, const char *to)
{
	wchar_t *wfrom = gitwin_to_utf16(from);
	wchar_t *wto = gitwin_to_utf16(to);
	int ret;

	ret = MoveFileExW(wfrom, wto, MOVEFILE_REPLACE_EXISTING | MOVEFILE_COPY_ALLOWED) ? GIT_SUCCESS : GIT_EOSERR;

	git__free(wfrom);
	git__free(wto);

	return ret;
}