void
grabedit(struct header* hp, unsigned long type)
{
register char* s;
register const struct lab* lp;
int r;
sig_t saveint;
sig_t savequit;
char buf[LINESIZE];
fflush(stdout);
if ((saveint = signal(SIGINT, SIG_IGN)) == SIG_DFL)
signal(SIGINT, SIG_DFL);
if ((savequit = signal(SIGQUIT, SIG_IGN)) == SIG_DFL)
signal(SIGQUIT, SIG_DFL);
r = 0;
for (lp = state.hdrtab; lp->name; lp++)
if (type & lp->type) {
if (!(s = detract(hp, lp->type)))
s = "";
if (strlen(s) >= sizeof(buf)) {
note(0, "%sfield too long to edit", lp->name);
continue;
}
strcpy(buf, s);
if ((r = ttyedit(0, 1, lp->name, buf, sizeof(buf))) < 0)
break;
headclear(hp, lp->type);
extract(hp, lp->type, buf);
}
if (saveint != SIG_DFL)
signal(SIGINT, saveint);
if (savequit != SIG_DFL)
signal(SIGQUIT, savequit);
if (r < -1)
kill(0, -(r + 1));
}
int main (int argc, char *argv[])
{
#ifdef SIGINT
void (*old_int) (int);
#endif /* SIGINT */
#ifdef SIGQUIT
void (*old_quit) (int);
#endif /* SIGQUIT */
/* catch quit and hangup signals */
/*
* In the terminal driver munging routines, we set Control-P
* to generate an interrupt, and turn off generating Quits from
* the terminal. Now we just ignore them if sent from elsewhere.
*/
#ifdef SIGHUP
signal (SIGHUP, hup_hdlr);
#endif /* SIGHUP */
#ifdef SIGINT
old_int = signal (SIGINT, int_hdlr);
#endif /* SIGINT */
#ifdef SIGQUIT
old_quit = signal (SIGQUIT, SIG_IGN);
#endif /* SIGQUIT */
if (
#ifdef SIGINT
old_int == SIG_IGN ||
#endif /* SIGINT */
#ifdef SIGQUIT
old_quit == SIG_IGN ||
#endif /* SIGQUIT */
0
)
{
/* fired off into the background, refuse to run */
if (isatty (fileno (stdin)))
{
fprintf (stderr, "%s: I refuse to run in the background.\n",
basename (argv[0]));
exit (2);
}
/* else
assume input is a script */
}
/* set terminal to no echo, no output processing, break enabled */
ttyedit ();
initialize (argc, argv);
edit (argc, argv);
/* reset the terminal mode */
ttynormal ();
t_exit ();
return 0;
}
