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authorBen Collins <bcollins@ubuntu.com>2006-01-08 01:05:13 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:14:09 -0800
commit96e9dd14a3b2aab4098503a5999ee2ef42d82da1 (patch)
tree58071e25c9d72b10e12f06788ae9798abb332c22 /scripts
parentf756d5e256059018d753f0ba79980ebeb87a1bc0 (diff)
downloadlinux-linaro-stable-96e9dd14a3b2aab4098503a5999ee2ef42d82da1.tar.gz
[PATCH] kconf: Check for eof from input stream.
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>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/kconfig/conf.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 8ba5d29d3d42..10eeae53d827 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -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 ?