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Subject[PATCH 15/15] kconf: Check for eof from input stream.
Signed-off-by: Ben Collins <bcollins@ubuntu.com>

---

scripts/kconfig/conf.c | 18 ++++++++++++++++--
1 files changed, 16 insertions(+), 2 deletions(-)

62bb36dcb307ca53999a14f74da6a803e36d5f62
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 8ba5d29..10eeae5 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
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 ?
--
1.0.5
-
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