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[PATCH] kconf: Check for eof from input stream.

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Signed-off-by: Ben Collins <bcollins@ubuntu.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ben Collins 2006-01-08 01:05:13 -08:00 committed by Linus Torvalds
parent f756d5e256
commit 96e9dd14a3
1 changed files with 16 additions and 2 deletions
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18
scripts/kconfig/conf.c
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@ -63,6 +63,20 @@ static void check_stdin(void)
}
}
static char *fgets_check_stream(char *s, int size, FILE *stream)
{
char *ret = fgets(s, size, stream);
if (ret == NULL && feof(stream)) {
printf(_("aborted!\n\n"));
printf(_("Console input is closed. "));
printf(_("Run 'make oldconfig' to update configuration.\n\n"));
exit(1);
}
return ret;
}
static void conf_askvalue(struct symbol *sym, const char *def)
{
enum symbol_type type = sym_get_type(sym);
@ -100,7 +114,7 @@ static void conf_askvalue(struct symbol *sym, const char *def)
check_stdin();
case ask_all:
fflush(stdout);
fgets(line, 128, stdin);
fgets_check_stream(line, 128, stdin);
return;
case set_default:
printf("%s\n", def);
@ -356,7 +370,7 @@ static int conf_choice(struct menu *menu)
check_stdin();
case ask_all:
fflush(stdout);
fgets(line, 128, stdin);
fgets_check_stream(line, 128, stdin);
strip(line);
if (line[0] == '?') {
printf("\n%s\n", menu->sym->help ?