diff options
Diffstat (limited to 'scripts/kconfig/conf.c')
| -rw-r--r-- | scripts/kconfig/conf.c | 18 |
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 ? |