diff options
Diffstat (limited to 'win32/file.c')
-rw-r--r-- | win32/file.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/win32/file.c b/win32/file.c index 1884f2a9b1..0f5b285ff8 100644 --- a/win32/file.c +++ b/win32/file.c @@ -653,6 +653,35 @@ rb_file_expand_path_internal(VALUE fname, VALUE dname, int abs_mode, int long_na return result; } +ssize_t rb_w32_wreadlink(const WCHAR *path, WCHAR *buf, size_t bufsize); + +VALUE +rb_readlink(VALUE path) +{ + ssize_t len; + WCHAR *wpath, wbuf[MAX_PATH]; + rb_encoding *enc; + UINT cp, path_cp; + + rb_secure(2); + FilePathValue(path); + enc = rb_enc_get(path); + cp = path_cp = code_page(enc); + if (cp == INVALID_CODE_PAGE) { + path = fix_string_encoding(path, enc); + cp = CP_UTF8; + } + wpath = mbstr_to_wstr(cp, RSTRING_PTR(path), RSTRING_LEN(path), NULL); + if (!wpath) rb_memerror(); + len = rb_w32_wreadlink(wpath, wbuf, numberof(wbuf)); + free(wpath); + if (len < 0) rb_sys_fail_path(path); + enc = rb_filesystem_encoding(); + cp = path_cp = code_page(enc); + if (cp == INVALID_CODE_PAGE) cp = CP_UTF8; + return append_wstr(rb_enc_str_new(0, 0, enc), wbuf, len, cp, path_cp, enc); +} + int rb_file_load_ok(const char *path) { |