From 2ffb87995a33cdc7ba609a4b867f03f18da0c3b3 Mon Sep 17 00:00:00 2001 From: nobu Date: Mon, 23 Mar 2015 12:22:10 +0000 Subject: file.c: move rb_readlink on Windows * win32/file.c (rb_readlink): move from file.c for better buffer allocation and the result encoding. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- win32/file.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'win32') 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) { -- cgit v1.2.3