From 3a783ba707eadf0ddad102e348e43968d434486c Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 25 Jan 2008 12:50:12 +0000
Subject: [PATCH] * string.c (rb_str_buf_cat_ascii): use rb_enc_cr_str_buf_cat.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15237 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog |  4 ++++
 string.c  | 44 ++++++++++++++++++++++++--------------------
 2 files changed, 28 insertions(+), 20 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 9873db1f72..eade682c30 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Jan 25 21:49:36 2008  Tanaka Akira  <akr@fsij.org>
+
+	* string.c (rb_str_buf_cat_ascii): use rb_enc_cr_str_buf_cat.
+
 Fri Jan 25 19:38:45 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* common.mk (version.$(OBJEXT)): depends on $(srcdir)/revision.h.
diff --git a/string.c b/string.c
index 4b27066539..1391ac3164 100644
--- a/string.c
+++ b/string.c
@@ -1116,26 +1116,6 @@ rb_str_cat2(VALUE str, const char *ptr)
     return rb_str_cat(str, ptr, strlen(ptr));
 }
 
-VALUE
-rb_str_buf_cat_ascii(VALUE str, const char *ptr)
-{
-    rb_encoding *enc = rb_enc_get(str);
-    if (rb_enc_asciicompat(enc)) {
-        return rb_str_buf_cat(str, ptr, strlen(ptr));
-    }
-    else {
-        char *buf = ALLOCA_N(char, rb_enc_mbmaxlen(enc));
-        while (*ptr) {
-            int c = (unsigned char)*ptr;
-            int len = rb_enc_codelen(c, enc);
-            rb_enc_mbcput(c, buf, enc);
-            rb_str_buf_cat(str, buf, len);
-            ptr++;
-        }
-        return str;
-    }
-}
-
 static VALUE
 rb_enc_cr_str_buf_cat(VALUE str, const char *ptr, long len,
     int ptr_encindex, int ptr_cr, int *ptr_cr_ret)
@@ -1256,6 +1236,30 @@ rb_enc_str_buf_cat(VALUE str, const char *ptr, long len, rb_encoding *ptr_enc)
         rb_enc_to_index(ptr_enc), ENC_CODERANGE_UNKNOWN, NULL);
 }
 
+VALUE
+rb_str_buf_cat_ascii(VALUE str, const char *ptr)
+{
+    /* ptr must reference NUL terminated ASCII string. */
+    int encindex = ENCODING_GET(str);
+    rb_encoding *enc = rb_enc_from_index(encindex);
+    if (rb_enc_asciicompat(enc)) {
+        return rb_enc_cr_str_buf_cat(str, ptr, strlen(ptr),
+            encindex, ENC_CODERANGE_7BIT, 0);
+    }
+    else {
+        char *buf = ALLOCA_N(char, rb_enc_mbmaxlen(enc));
+        while (*ptr) {
+            int c = (unsigned char)*ptr;
+            int len = rb_enc_codelen(c, enc);
+            rb_enc_mbcput(c, buf, enc);
+            rb_enc_cr_str_buf_cat(str, buf, len,
+                encindex, ENC_CODERANGE_VALID, 0);
+            ptr++;
+        }
+        return str;
+    }
+}
+
 VALUE
 rb_str_buf_append(VALUE str, VALUE str2)
 {