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[PATCH] kconfig: new function "bool conf_get_changed(void)"

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Run "make xconfig" on a freshly untarred kernel-tree.  Look at the floppy disk
icon of the qt application, that has just started: Its in a normal, active
state.

Mouse click on it: .config is being saved.

This patch series changes things so taht
after the mouse click on the floppy disk icon, the icon is greyed out.
If you mouse click on it now, nothing happens.

If you change some CONFIG_*, the floppy disk icon returns to "active state",
that is, if you mouse click it now, .config is written.

This patch:

Returns sym_change_count to reflect the .config's change state.
All read only accesses of
	sym_change_count
are replaced by calls to
	conf_get_changed()
.
mconfig.c is manipulated to ask for saving only when
conf_get_changed() returned true.

Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Karsten Wiese 2006-12-13 00:34:06 -08:00 committed by Linus Torvalds
parent 3dfcaf1613
commit b321429325
5 changed files with 23 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
scripts/kconfig/conf.c
View File

@ -600,7 +600,7 @@ int main(int ac, char **av)
input_mode = ask_silent;
valid_stdin = 1;
}
} else if (sym_change_count) {
} else if (conf_get_changed()) {
name = getenv("KCONFIG_NOSILENTUPDATE");
if (name && *name) {
fprintf(stderr, _("\n*** Kernel configuration requires explicit update.\n\n"));

7
scripts/kconfig/confdata.c
View File

@ -432,7 +432,7 @@ int conf_write(const char *name)
use_timestamp ? "# " : "",
use_timestamp ? ctime(&now) : "");
if (!sym_change_count)
if (!conf_get_changed())
sym_clear_all_valid();
menu = rootmenu.list;
@ -765,3 +765,8 @@ int conf_write_autoconf(void)
return 0;
}
bool conf_get_changed(void)
{
return sym_change_count;
}

1
scripts/kconfig/lkc_proto.h
View File

@ -5,6 +5,7 @@ P(conf_read,int,(const char *name));
P(conf_read_simple,int,(const char *name, int));
P(conf_write,int,(const char *name));
P(conf_write_autoconf,int,(void));
P(conf_get_changed,bool,(void));
/* menu.c */
P(rootmenu,struct menu,);

21
scripts/kconfig/mconf.c
View File

@ -890,14 +890,19 @@ int main(int ac, char **av)
do {
conf(&rootmenu);
dialog_clear();
res = dialog_yesno(NULL,
_("Do you wish to save your "
"new kernel configuration?\n"
"<ESC><ESC> to continue."),
6, 60);
if (conf_get_changed())
res = dialog_yesno(NULL,
_("Do you wish to save your "
"new kernel configuration?\n"
"<ESC><ESC> to continue."),
6, 60);
else
res = -1;
} while (res == KEY_ESC);
end_dialog();
if (res == 0) {
switch (res) {
case 0:
if (conf_write(NULL)) {
fprintf(stderr, _("\n\n"
"Error during writing of the kernel configuration.\n"
@ -905,11 +910,13 @@ int main(int ac, char **av)
"\n\n"));
return 1;
}
case -1:
printf(_("\n\n"
"*** End of Linux kernel configuration.\n"
"*** Execute 'make' to build the kernel or try 'make help'."
"\n\n"));
} else {
break;
default:
fprintf(stderr, _("\n\n"
"Your kernel configuration changes were NOT saved."
"\n\n"));

2
scripts/kconfig/qconf.cc
View File

@ -1585,7 +1585,7 @@ void ConfigMainWindow::showFullView(void)
*/
void ConfigMainWindow::closeEvent(QCloseEvent* e)
{
if (!sym_change_count) {
if (!conf_get_changed()) {
e->accept();
return;
}