static VALUE rdwarf_initialize(VALUE self, VALUE filename)
{
rdwarf_t *rd = GetRDwarf(self);
Dwarf_Debug dbg;
Dwarf_Error err;
int fd;
int ret;
SafeStringValue(filename);
filename = rb_str_export_to_enc(filename, rb_filesystem_encoding());
fd = rb_cloexec_open(StringValueCStr(filename), O_RDONLY, 0);
if (fd < 0) {
rb_sys_fail("open");
}
ret = dwarf_init(fd, DW_DLC_READ, NULL, NULL, &dbg, &err);
if (ret != DW_DLV_OK) {
rb_raise(rd_eError, "%s", dwarf_errmsg(err));
}
rd->shared_data = rd_shared_data_alloc(dbg, fd, self);
return self;
}
/*
* call-seq:
* IO.console -> #<File:/dev/tty>
*
* Returns an File instance opened console.
*
* You must require 'io/console' to use this method.
*/
static VALUE
console_dev(VALUE klass)
{
VALUE con = 0;
rb_io_t *fptr;
if (klass == rb_cIO) klass = rb_cFile;
if (rb_const_defined(klass, id_console)) {
con = rb_const_get(klass, id_console);
if (RB_TYPE_P(con, T_FILE)) {
if ((fptr = RFILE(con)->fptr) && GetReadFD(fptr) != -1)
return con;
}
rb_mod_remove_const(klass, ID2SYM(id_console));
}
{
VALUE args[2];
#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H || defined HAVE_SGTTY_H
# define CONSOLE_DEVICE "/dev/tty"
#elif defined _WIN32
# define CONSOLE_DEVICE "con$"
# define CONSOLE_DEVICE_FOR_READING "conin$"
# define CONSOLE_DEVICE_FOR_WRITING "conout$"
#endif
#ifndef CONSOLE_DEVICE_FOR_READING
# define CONSOLE_DEVICE_FOR_READING CONSOLE_DEVICE
#endif
#ifdef CONSOLE_DEVICE_FOR_WRITING
VALUE out;
rb_io_t *ofptr;
#endif
int fd;
#ifdef CONSOLE_DEVICE_FOR_WRITING
fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_WRITING, O_WRONLY, 0);
if (fd < 0) return Qnil;
rb_update_max_fd(fd);
args[1] = INT2FIX(O_WRONLY);
args[0] = INT2NUM(fd);
out = rb_class_new_instance(2, args, klass);
#endif
fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_READING, O_RDWR, 0);
if (fd < 0) {
#ifdef CONSOLE_DEVICE_FOR_WRITING
rb_io_close(out);
#endif
return Qnil;
}
rb_update_max_fd(fd);
args[1] = INT2FIX(O_RDWR);
args[0] = INT2NUM(fd);
con = rb_class_new_instance(2, args, klass);
GetOpenFile(con, fptr);
#ifdef HAVE_RUBY_IO_H
fptr->pathv = rb_obj_freeze(rb_str_new2(CONSOLE_DEVICE));
#else
fptr->path = ruby_strdup(CONSOLE_DEVICE);
#endif
#ifdef CONSOLE_DEVICE_FOR_WRITING
GetOpenFile(out, ofptr);
# ifdef HAVE_RB_IO_GET_WRITE_IO
ofptr->pathv = fptr->pathv;
fptr->tied_io_for_writing = out;
# else
fptr->f2 = ofptr->f;
ofptr->f = 0;
# endif
ofptr->mode |= FMODE_SYNC;
#endif
fptr->mode |= FMODE_SYNC;
rb_const_set(klass, id_console, con);
}
return con;
}
/*
* call-seq:
* IO.console -> #<File:/dev/tty>
* IO.console(sym, *args)
*
* Returns an File instance opened console.
*
* If +sym+ is given, it will be sent to the opened console with
* +args+ and the result will be returned instead of the console IO
* itself.
*
* You must require 'io/console' to use this method.
*/
static VALUE
console_dev(int argc, VALUE *argv, VALUE klass)
{
VALUE con = 0;
rb_io_t *fptr;
VALUE sym = 0;
rb_check_arity(argc, 0, UNLIMITED_ARGUMENTS);
if (argc) {
Check_Type(sym = argv[0], T_SYMBOL);
}
if (klass == rb_cIO) klass = rb_cFile;
if (rb_const_defined(klass, id_console)) {
con = rb_const_get(klass, id_console);
if (!RB_TYPE_P(con, T_FILE) ||
(!(fptr = RFILE(con)->fptr) || GetReadFD(fptr) == -1)) {
rb_const_remove(klass, id_console);
con = 0;
}
}
if (sym) {
if (sym == ID2SYM(id_close) && argc == 1) {
if (con) {
rb_io_close(con);
rb_const_remove(klass, id_console);
con = 0;
}
return Qnil;
}
}
if (!con) {
VALUE args[2];
#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H || defined HAVE_SGTTY_H
# define CONSOLE_DEVICE "/dev/tty"
#elif defined _WIN32
# define CONSOLE_DEVICE "con$"
# define CONSOLE_DEVICE_FOR_READING "conin$"
# define CONSOLE_DEVICE_FOR_WRITING "conout$"
#endif
#ifndef CONSOLE_DEVICE_FOR_READING
# define CONSOLE_DEVICE_FOR_READING CONSOLE_DEVICE
#endif
#ifdef CONSOLE_DEVICE_FOR_WRITING
VALUE out;
rb_io_t *ofptr;
#endif
int fd;
#ifdef CONSOLE_DEVICE_FOR_WRITING
fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_WRITING, O_RDWR, 0);
if (fd < 0) return Qnil;
rb_update_max_fd(fd);
args[1] = INT2FIX(O_WRONLY);
args[0] = INT2NUM(fd);
out = rb_class_new_instance(2, args, klass);
#endif
fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_READING, O_RDWR, 0);
if (fd < 0) {
#ifdef CONSOLE_DEVICE_FOR_WRITING
rb_io_close(out);
#endif
return Qnil;
}
rb_update_max_fd(fd);
args[1] = INT2FIX(O_RDWR);
args[0] = INT2NUM(fd);
con = rb_class_new_instance(2, args, klass);
GetOpenFile(con, fptr);
fptr->pathv = rb_obj_freeze(rb_str_new2(CONSOLE_DEVICE));
#ifdef CONSOLE_DEVICE_FOR_WRITING
GetOpenFile(out, ofptr);
ofptr->pathv = fptr->pathv;
fptr->tied_io_for_writing = out;
ofptr->mode |= FMODE_SYNC;
#endif
fptr->mode |= FMODE_SYNC;
rb_const_set(klass, id_console, con);
}
if (sym) {
return rb_f_send(argc, argv, con);
}
return con;
}
static VALUE nogvl_open(void *ptr)
{
struct open_args *o = ptr;
return (VALUE)rb_cloexec_open(o->pathname, o->flags, o->mode);
}
