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kconfig: handle SIGINT in menuconfig

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I recently got bitten in the ass when pressing Ctrl-C and lost all my current
configuration changes. This patch captures SIGINT and allows the user to save
any changes.

Some code refactoring was made in order to handle the exit behavior.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
This commit is contained in:
Davidlohr Bueso 2011-08-21 22:04:09 -03:00 committed by Arnaud Lacombe
parent 953742c8fe
commit 564899f9f0
1 changed files with 52 additions and 34 deletions
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86
scripts/kconfig/mconf.c
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@ -15,6 +15,7 @@
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <locale.h>
@ -272,6 +273,7 @@ static struct menu *current_menu;
static int child_count;
static int single_menu_mode;
static int show_all_options;
static int saved_x, saved_y;
static void conf(struct menu *menu);
static void conf_choice(struct menu *menu);
@ -792,9 +794,54 @@ static void conf_save(void)
}
}
static int handle_exit(void)
{
int res;
dialog_clear();
if (conf_get_changed())
res = dialog_yesno(NULL,
_("Do you wish to save your new configuration ?\n"
"<ESC><ESC> to continue."),
6, 60);
else
res = -1;
end_dialog(saved_x, saved_y);
switch (res) {
case 0:
if (conf_write(filename)) {
fprintf(stderr, _("\n\n"
"Error while writing of the configuration.\n"
"Your configuration changes were NOT saved."
"\n\n"));
return 1;
}
/* fall through */
case -1:
printf(_("\n\n"
"*** End of the configuration.\n"
"*** Execute 'make' to start the build or try 'make help'."
"\n\n"));
res = 0;
break;
default:
fprintf(stderr, _("\n\n"
"Your configuration changes were NOT saved."
"\n\n"));
}
return res;
}
static void sig_handler(int signo)
{
exit(handle_exit());
}
int main(int ac, char **av)
{
int saved_x, saved_y;
char *mode;
int res;
@ -802,6 +849,8 @@ int main(int ac, char **av)
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
signal(SIGINT, sig_handler);
conf_parse(av[1]);
conf_read(NULL);
@ -823,40 +872,9 @@ int main(int ac, char **av)
set_config_filename(conf_get_configname());
do {
conf(&rootmenu);
dialog_clear();
if (conf_get_changed())
res = dialog_yesno(NULL,
_("Do you wish to save your "
"new configuration?\n"
"<ESC><ESC> to continue."),
6, 60);
else
res = -1;
res = handle_exit();
} while (res == KEY_ESC);
end_dialog(saved_x, saved_y);
switch (res) {
case 0:
if (conf_write(filename)) {
fprintf(stderr, _("\n\n"
"Error while writing of the configuration.\n"
"Your configuration changes were NOT saved."
"\n\n"));
return 1;
}
/* fall through */
case -1:
printf(_("\n\n"
"*** End of the configuration.\n"
"*** Execute 'make' to start the build or try 'make help'."
"\n\n"));
break;
default:
fprintf(stderr, _("\n\n"
"Your configuration changes were NOT saved."
"\n\n"));
}
return 0;
return res;
}