C++ (Cpp) path__is_absolute Examples

Example #1

File: path_w32.c Project: AlexShiLucky/luapower-all

int git_win32_path_from_utf8(git_win32_path out, const char *src)
{
	wchar_t *dest = out;

	/* All win32 paths are in NT-prefixed format, beginning with "\\?\". */
	memcpy(dest, PATH__NT_NAMESPACE, sizeof(wchar_t) * PATH__NT_NAMESPACE_LEN);
	dest += PATH__NT_NAMESPACE_LEN;

	/* See if this is an absolute path (beginning with a drive letter) */
	if (path__is_absolute(src)) {
		if (git__utf8_to_16(dest, MAX_PATH, src) < 0)
			return -1;
	}
	/* File-prefixed NT-style paths beginning with \\?\ */
	else if (path__is_nt_namespace(src)) {
		/* Skip the NT prefix, the destination already contains it */
		if (git__utf8_to_16(dest, MAX_PATH, src + PATH__NT_NAMESPACE_LEN) < 0)
			return -1;
	}
	/* UNC paths */
	else if (path__is_unc(src)) {
		memcpy(dest, L"UNC\\", sizeof(wchar_t) * 4);
		dest += 4;

		/* Skip the leading "\\" */
		if (git__utf8_to_16(dest, MAX_PATH - 2, src + 2) < 0)
			return -1;
	}
	/* Absolute paths omitting the drive letter */
	else if (src[0] == '\\' || src[0] == '/') {
		if (path__cwd(dest, MAX_PATH) < 0)
			return -1;

		if (!path__is_absolute(dest)) {
			errno = ENOENT;
			return -1;
		}

		/* Skip the drive letter specification ("C:") */	
		if (git__utf8_to_16(dest + 2, MAX_PATH - 2, src) < 0)
			return -1;
	}
	/* Relative paths */
	else {
		int cwd_len;

		if ((cwd_len = git_win32_path__cwd(dest, MAX_PATH)) < 0)
			return -1;

		dest[cwd_len++] = L'\\';

		if (git__utf8_to_16(dest + cwd_len, MAX_PATH - cwd_len, src) < 0)
			return -1;
	}

	return git_win32_path_canonicalize(out);
}

Example #2

File: path_w32.c Project: Angeldude/sonic-pi

static wchar_t *path__skip_prefix(wchar_t *path)
{
	if (path__is_nt_namespace(path)) {
		path += PATH__NT_NAMESPACE_LEN;

		if (wcsncmp(path, L"UNC\\", 4) == 0)
			path = path__skip_server(path + 4);
		else if (path__is_absolute(path))
			path += PATH__ABSOLUTE_LEN;
	} else if (path__is_absolute(path)) {
		path += PATH__ABSOLUTE_LEN;
	} else if (path__is_unc(path)) {
		path = path__skip_server(path + 2);
	}

	return path;
}