From 36b3d5577ca9c9e32fa690149d73d557af996422 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 9 Feb 2012 20:12:02 +0000
Subject: merge revision(s) 34409,34412,34417:

	* io.c (argf_close): skip stdin, which should be readable again.
	  [ruby-dev:45160] [Bug #5952]

	* io.c (argf_readlines): reinitialize after all read to be
	  readable again.

	* io.c (argf_next_argv): reset ARGF.next_p on ARGV.replace.
	  r34409 breaks replacing ARGV.
	  [ruby-dev:45160] [Bug #5952]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@34528 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'io.c')

diff --git a/io.c b/io.c
index cc9e50e685..1c4b54ab70 100644
--- a/io.c
+++ b/io.c
@@ -6852,6 +6852,7 @@ argf_forward(int argc, VALUE *argv, VALUE argf)
 static void
 argf_close(VALUE file)
 {
+    if (file == rb_stdin) return;
     if (RB_TYPE_P(file, T_FILE)) {
 	rb_io_set_write_io(file, Qnil);
     }
@@ -6881,6 +6882,14 @@ argf_next_argv(VALUE argf)
 	}
 	ARGF.init_p = 1;
     }
+    else {
+	if (NIL_P(ARGF.argv)) {
+	    ARGF.next_p = -1;
+	}
+	else if (ARGF.next_p == -1 && RARRAY_LEN(ARGF.argv) > 0) {
+	    ARGF.next_p = 1;
+	}
+    }
 
     if (ARGF.next_p == 1) {
       retry:
@@ -7262,6 +7271,7 @@ argf_readlines(int argc, VALUE *argv, VALUE argf)
 	ARGF.lineno = lineno + RARRAY_LEN(ary);
 	ARGF.last_lineno = ARGF.lineno;
     }
+    ARGF.init_p = 0;
     return ary;
 }
 
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