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* goruby.c (goruby_options): auto irb.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34090 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2011-12-21 06:23:15 +00:00
parent f9a4d5717c
commit 7bc839bdd2
1 changed files with 28 additions and 0 deletions
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28
goruby.c
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@ -1,8 +1,13 @@
#include <unistd.h>
void Init_golf(void);
#define ruby_options goruby_options
#define ruby_run_node goruby_run_node
#include "main.c"
#undef ruby_options
#undef ruby_run_node
RUBY_EXTERN void *ruby_options(int argc, char **argv);
RUBY_EXTERN int ruby_run_node(void*);
RUBY_EXTERN void ruby_init_ext(const char *name, void (*init)(void));
@ -13,6 +18,29 @@ init_golf(VALUE arg)
return arg;
}
void *
goruby_options(int argc, char **argv)
{
static const char cmd[] = "require 'irb'\nIRB.start";
int rw[2], infd;
void *ret;
if ((isatty(0) && isatty(1) && isatty(2)) && (pipe(rw) == 0)) {
infd = dup(0);
dup2(rw[0], 0);
close(rw[0]);
write(rw[1], cmd, sizeof(cmd) - 1);
close(rw[1]);
ret = ruby_options(argc, argv);
dup2(infd, 0);
close(infd);
return ret;
}
else {
return ruby_options(argc, argv);
}
}
int
goruby_run_node(void *arg)
{