From bee4e843ce20dd899eb86fd2f6947e6573b20465 Mon Sep 17 00:00:00 2001 From: akr Date: Thu, 24 Nov 2011 11:00:35 +0000 Subject: * io.c (rb_io_reopen): re-initialize buffereing mode for stdout and stderr. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- io.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'io.c') diff --git a/io.c b/io.c index 31b07f9c0a..3f35c1982c 100644 --- a/io.c +++ b/io.c @@ -6151,6 +6151,14 @@ rb_io_reopen(int argc, VALUE *argv, VALUE file) if (setvbuf(fptr->stdio_file, NULL, _IOFBF, 0) != 0) rb_warn("setvbuf() can't be honoured for %s", RSTRING_PTR(fptr->pathv)); #endif + if (fptr->stdio_file == stderr) { + if (setvbuf(fptr->stdio_file, NULL, _IONBF, BUFSIZ) != 0) + rb_warn("setvbuf() can't be honoured for %s", RSTRING_PTR(fptr->pathv)); + } + else if (fptr->stdio_file == stdout && isatty(fptr->fd)) { + if (setvbuf(fptr->stdio_file, NULL, _IOLBF, BUFSIZ) != 0) + rb_warn("setvbuf() can't be honoured for %s", RSTRING_PTR(fptr->pathv)); + } } else { if (close(fptr->fd) < 0) -- cgit v1.2.3