From dea1baa169ca752a5bde28c88d96feb622a0787b Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 28 Jul 2003 07:31:52 +0000
Subject: * ext/stringio/stringio.c (strio_gets): only "gets" should set $_.

* ext/stringio/stringio.c (strio_getline): should not set $_ here.

* io.c (argf_to_s): argf.to_s returns "ARGF".

* io.c (set_defout_var, set_deferr_var): make $defout and $deferr
  obsolete.

* io.c (set_input_var, set_output_var): allow $stdin, $stdout,
  $stderr not to be instance of IO.

* io.c (rb_f_readline): forward method to current_file. gets,
  readline, readlines, getc, readchar, tell, seek, pos=, rewind,
  fileno, to_io, eof, each_line, each_byte, binmode, and closed?
  as well.

* io.c (argf_forward): utility function to forward method to
  current_file.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/stringio/stringio.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

(limited to 'ext/stringio/stringio.c')

diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c
index 366b337a4e..7dfd8e6bd5 100644
--- a/ext/stringio/stringio.c
+++ b/ext/stringio/stringio.c
@@ -161,7 +161,7 @@ static VALUE strio_each_byte _((VALUE));
 static VALUE strio_getc _((VALUE));
 static VALUE strio_ungetc _((VALUE, VALUE));
 static VALUE strio_readchar _((VALUE));
-static VALUE strio_gets_internal _((int, VALUE *, struct StringIO *));
+static VALUE strio_getline _((int, VALUE *, struct StringIO *));
 static VALUE strio_gets _((int, VALUE *, VALUE));
 static VALUE strio_readline _((int, VALUE *, VALUE));
 static VALUE strio_each _((int, VALUE *, VALUE));
@@ -633,7 +633,7 @@ bm_search(little, llen, big, blen, skip)
 }
 
 static VALUE
-strio_gets_internal(argc, argv, ptr)
+strio_getline(argc, argv, ptr)
     int argc;
     VALUE *argv;
     struct StringIO *ptr;
@@ -701,7 +701,6 @@ strio_gets_internal(argc, argv, ptr)
     }
     ptr->pos = e - RSTRING(ptr->string)->ptr;
     ptr->lineno++;
-    rb_lastline_set(str);
     return str;
 }
 
@@ -711,7 +710,10 @@ strio_gets(argc, argv, self)
     VALUE *argv;
     VALUE self;
 {
-    return strio_gets_internal(argc, argv, readable(StringIO(self)));
+    VALUE str = strio_getline(argc, argv, readable(StringIO(self)));
+
+    rb_lastline_set(str);
+    return str;
 }
 
 static VALUE
@@ -720,7 +722,7 @@ strio_readline(argc, argv, self)
     VALUE *argv;
     VALUE self;
 {
-    VALUE line = strio_gets_internal(argc, argv, readable(StringIO(self)));
+    VALUE line = strio_getline(argc, argv, readable(StringIO(self)));
     if (NIL_P(line)) rb_eof_error();
     return line;
 }
@@ -734,7 +736,7 @@ strio_each(argc, argv, self)
     struct StringIO *ptr = StringIO(self);
     VALUE line;
 
-    while (!NIL_P(line = strio_gets_internal(argc, argv, readable(ptr)))) {
+    while (!NIL_P(line = strio_getline(argc, argv, readable(ptr)))) {
 	rb_yield(line);
     }
     return self;
@@ -748,7 +750,7 @@ strio_readlines(argc, argv, self)
 {
     struct StringIO *ptr = StringIO(self);
     VALUE ary = rb_ary_new(), line;
-    while (!NIL_P(line = strio_gets_internal(argc, argv, readable(ptr)))) {
+    while (!NIL_P(line = strio_getline(argc, argv, readable(ptr)))) {
 	rb_ary_push(ary, line);
     }
     return ary;
-- 
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