diff options
author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-01-17 07:50:07 +0000 |
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committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-01-17 07:50:07 +0000 |
commit | b66b645230542bf2a1a782d80a7426947a9a273f (patch) | |
tree | 3b3a1ea989214d275b98a2cae0fbc08365ecca45 /ext | |
parent | 6c4e9b2b9c9c3217cd40e549a407b2fa1939f420 (diff) |
merge revision(s) 49244: [Backport #6232]
* ext/readline/readline.c (readline_s_refresh_line): initialize
before rl_refresh_line(), as some function make the internal
state non-clean but rl_refresh_line() does not re-initialize it.
[ruby-core:43957] [Bug #6232]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49299 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext')
-rw-r--r-- | ext/readline/readline.c | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/ext/readline/readline.c b/ext/readline/readline.c index 5e78af4b07..140bd7f578 100644 --- a/ext/readline/readline.c +++ b/ext/readline/readline.c @@ -359,6 +359,34 @@ clear_rl_outstream(void) readline_outstream = Qfalse; } +static void +prepare_readline(void) +{ + static int initialized = 0; + if (!initialized) { + rl_initialize(); + initialized = 1; + } + + if (readline_instream) { + rb_io_t *ifp; + rb_io_check_initialized(ifp = RFILE(rb_io_taint_check(readline_instream))->fptr); + if (ifp->fd < 0) { + clear_rl_instream(); + rb_raise(rb_eIOError, "closed readline input"); + } + } + + if (readline_outstream) { + rb_io_t *ofp; + rb_io_check_initialized(ofp = RFILE(rb_io_taint_check(readline_outstream))->fptr); + if (ofp->fd < 0) { + clear_rl_outstream(); + rb_raise(rb_eIOError, "closed readline output"); + } + } +} + /* * call-seq: * Readline.readline(prompt = "", add_hist = false) -> string or nil @@ -460,23 +488,7 @@ readline_readline(int argc, VALUE *argv, VALUE self) prompt = RSTRING_PTR(tmp); } - if (readline_instream) { - rb_io_t *ifp; - rb_io_check_initialized(ifp = RFILE(rb_io_taint_check(readline_instream))->fptr); - if (ifp->fd < 0) { - clear_rl_instream(); - rb_raise(rb_eIOError, "closed readline input"); - } - } - - if (readline_outstream) { - rb_io_t *ofp; - rb_io_check_initialized(ofp = RFILE(rb_io_taint_check(readline_outstream))->fptr); - if (ofp->fd < 0) { - clear_rl_outstream(); - rb_raise(rb_eIOError, "closed readline output"); - } - } + prepare_readline(); #ifdef _WIN32 rl_prep_terminal(1); @@ -1549,6 +1561,7 @@ readline_s_get_filename_quote_characters(VALUE self, VALUE str) static VALUE readline_s_refresh_line(VALUE self) { + prepare_readline(); rl_refresh_line(0, 0); return Qnil; } |