From ba18b0c6cbcfd9afed3684cf667a9503d65d5ca1 Mon Sep 17 00:00:00 2001 From: nobu Date: Wed, 10 Dec 2003 08:54:56 +0000 Subject: * ext/stringio/stringio.c (strio_read): do not set EOF flag when requested length is zero. [ruby-dev:22214] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5160 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/stringio/stringio.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'ext/stringio/stringio.c') diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c index f94c860728..2d0229acca 100644 --- a/ext/stringio/stringio.c +++ b/ext/stringio/stringio.c @@ -836,12 +836,12 @@ strio_read(argc, argv, self) { struct StringIO *ptr = readable(StringIO(self)); VALUE str; - long len; + long len, olen; switch (argc) { case 1: if (!NIL_P(argv[0])) { - len = NUM2LONG(argv[0]); + len = olen = NUM2LONG(argv[0]); if (len < 0) { rb_raise(rb_eArgError, "negative length %ld given", len); } @@ -856,6 +856,7 @@ strio_read(argc, argv, self) } /* fall through */ case 0: + olen = -1; len = RSTRING(ptr->string)->len - ptr->pos; if (len == 0 && ptr->pos == RSTRING(ptr->string)->len) { if (ptr->flags & STRIO_EOF) return Qnil; @@ -868,7 +869,7 @@ strio_read(argc, argv, self) str = rb_str_substr(ptr->string, ptr->pos, len); if (NIL_P(str)) { if (!(ptr->flags & STRIO_EOF)) str = rb_str_new(0, 0); - ptr->flags |= STRIO_EOF; + if (olen) ptr->flags |= STRIO_EOF; } else { ptr->pos += RSTRING(str)->len; -- cgit v1.2.3