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#include "rc.h"
#include <signal.h>
#include "jbwrap.h"
/* This is hairy. GNU readline is broken. It tries to behave like a
restartable system call. However, we need SIGINT to abort input. This
is basically the same problem that system-bsd.c tries to solve, and so
we borrow some of the HAVE_RESTARTABLE_SYSCALLS code. If a signal is
caught, then we call rcRaise, which longjmp()s back to the
top level. */
struct Jbwrap rl_buf;
volatile sig_atomic_t rl_active;
extern char *rc_readline(char *prompt) {
char *r = 0;
int s;
if ((s = sigsetjmp(rl_buf.j, 1)) == 0) {
rl_active = TRUE;
r = readline(prompt);
} else {
/* Readline interrupted. Clear up the terminal settings. */
switch (s) {
default:
#if READLINE_OLD
rl_clean_up_for_exit();
rl_deprep_terminal();
#else
_rl_clean_up_for_exit();
(*rl_deprep_term_function)();
#endif
rl_clear_signals();
rl_pending_input = 0;
break;
/* These signals are already cleaned up by readline. */
case SIGINT:
case SIGALRM:
#ifdef SIGTSTP
case SIGTSTP:
case SIGTTOU:
case SIGTTIN:
#endif
break;
}
rl_active = FALSE;
sigchk();
rc_raise(eError);
/* rc_raise doesn't return, but gcc doesn't know that. This silences a warning. */
r = 0;
}
rl_active = FALSE;
return r;
}
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