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ruby-changes:3518

From: ko1@a...
Date: Sun, 13 Jan 2008 15:37:14 +0900 (JST)
Subject: [ruby-changes:3518] akr - Ruby:r14996 (trunk): * string.c (string.c): call rb_str_buf_append to update encoding of

akr	2008-01-11 23:26:26 +0900 (Fri, 11 Jan 2008)

  New Revision: 14996

  Modified files:
    trunk/ChangeLog
    trunk/string.c

  Log:
    * string.c (string.c): call rb_str_buf_append to update encoding of
      str1, even if str2 is empty.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/string.c?r1=14996&r2=14995&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=14996&r2=14995&diff_format=u

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 14995)
+++ ChangeLog	(revision 14996)
@@ -1,3 +1,8 @@
+Fri Jan 11 23:22:31 2008  Tanaka Akira  <akr@f...>
+
+	* string.c (string.c): call rb_str_buf_append to update encoding of
+	  str1, even if str2 is empty.
+
 Fri Jan 11 20:20:16 2008  Nobuyoshi Nakada  <nobu@r...>
 
 	* proc.c (proc_mark): needs to mark the receiver too.  a patch from
Index: string.c
===================================================================
--- string.c	(revision 14995)
+++ string.c	(revision 14996)
@@ -1194,26 +1194,22 @@
     int cr, cr2;
 
     StringValue(str2);
-    if (RSTRING_LEN(str2) > 0) {
-	if (STR_ASSOC_P(str)) {
-	    long len = RSTRING_LEN(str)+RSTRING_LEN(str2);
-	    enc = rb_enc_check(str, str2);
-	    cr = ENC_CODERANGE(str);
-	    if ((cr2 = ENC_CODERANGE(str2)) > cr) cr = cr2;
-	    rb_str_modify(str);
-	    REALLOC_N(RSTRING(str)->as.heap.ptr, char, len+1);
-	    memcpy(RSTRING(str)->as.heap.ptr + RSTRING(str)->as.heap.len,
-		   RSTRING_PTR(str2), RSTRING_LEN(str2)+1);
-	    RSTRING(str)->as.heap.len = len;
-	    rb_enc_associate(str, enc);
-	    ENC_CODERANGE_SET(str, cr);
-	}
-	else {
-	    return rb_str_buf_append(str, str2);
-	}
+    if (RSTRING_LEN(str2) > 0 && STR_ASSOC_P(str)) {
+        long len = RSTRING_LEN(str)+RSTRING_LEN(str2);
+        enc = rb_enc_check(str, str2);
+        cr = ENC_CODERANGE(str);
+        if ((cr2 = ENC_CODERANGE(str2)) > cr) cr = cr2;
+        rb_str_modify(str);
+        REALLOC_N(RSTRING(str)->as.heap.ptr, char, len+1);
+        memcpy(RSTRING(str)->as.heap.ptr + RSTRING(str)->as.heap.len,
+               RSTRING_PTR(str2), RSTRING_LEN(str2)+1);
+        RSTRING(str)->as.heap.len = len;
+        rb_enc_associate(str, enc);
+        ENC_CODERANGE_SET(str, cr);
+        OBJ_INFECT(str, str2);
+        return str;
     }
-    OBJ_INFECT(str, str2);
-    return str;
+    return rb_str_buf_append(str, str2);
 }
 
 

--
ML: ruby-changes@q...
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