* file.c (rb_home_dir_of): convert given username into filesystem

  encoding. [ruby-core:76682] [Bug #12652]
  patched by Dāvis Mosāns

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 22 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index e476fa494d..5bd9b4ddcb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Nov  5 23:48:27 2016  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* file.c (rb_home_dir_of): convert given username into filesystem
+	  encoding. [ruby-core:76682] [Bug #12652]
+	  patched by Dāvis Mosāns
+
 Sat Nov  5 23:46:03 2016  Tanaka Akira  <akr@fsij.org>
 
 	* time.c (vtm_add_offset): Fix yday on last day of year.
diff --git a/file.c b/file.c
index f11fb8228d..170c251519 100644
--- a/file.c
+++ b/file.c
@@ -3185,13 +3185,27 @@ copy_home_path(VALUE result, const char *dir)
 VALUE
 rb_home_dir_of(VALUE user, VALUE result)
 {
-    const char *dir, *username = RSTRING_PTR(user);
 #ifdef HAVE_PWD_H
-    struct passwd *pwPtr = getpwnam(username);
+    struct passwd *pwPtr;
 #else
     extern char *getlogin(void);
     const char *pwPtr = 0;
     # define endpwent() ((void)0)
+#endif
+    const char *dir, *username = RSTRING_PTR(user);
+    rb_encoding *enc = rb_enc_get(user);
+#if defined _WIN32
+    rb_encoding *fsenc = rb_utf8_encoding();
+#else
+    rb_encoding *fsenc = rb_filesystem_encoding();
+#endif
+    if (enc != fsenc) {
+        dir = username = RSTRING_PTR(rb_str_conv_enc(user, enc, fsenc));
+    }
+
+#ifdef HAVE_PWD_H
+    pwPtr = getpwnam(username);
+#else
     if (strcasecmp(username, getlogin()) == 0)
 	dir = pwPtr = getenv("HOME");
 #endif