build system: fix compiler warnings
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 57734b5..866a7c5 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -142,7 +142,8 @@
check_stdin();
case ask_all:
fflush(stdout);
- fgets(line, 128, stdin);
+ if (!fgets(line, 128, stdin))
+ exit(1);
return;
case set_default:
printf("%s\n", def);
@@ -390,7 +391,8 @@
check_stdin();
case ask_all:
fflush(stdout);
- fgets(line, 128, stdin);
+ if (!fgets(line, 128, stdin))
+ exit(1);
strip(line);
if (line[0] == '?') {
printf("\n%s\n", menu->sym->help ?
diff --git a/scripts/kconfig/lxdialog/lxdialog.c b/scripts/kconfig/lxdialog/lxdialog.c
index 79f6c5f..5b8e3e9 100644
--- a/scripts/kconfig/lxdialog/lxdialog.c
+++ b/scripts/kconfig/lxdialog/lxdialog.c
@@ -189,7 +189,7 @@
int ret = dialog_inputbox(t, av[2], atoi(av[3]), atoi(av[4]),
ac == 6 ? av[5] : (char *)NULL);
if (ret == 0)
- fprintf(stderr, dialog_input_result);
+ fprintf(stderr, "%s", dialog_input_result);
return ret;
}
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index adba114..c3a837a 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -482,7 +482,8 @@
*argptr++ = NULL;
- pipe(pipefd);
+ if (pipe(pipefd))
+ _exit(EXIT_FAILURE);
pid = fork();
if (pid == 0) {
sigprocmask(SIG_SETMASK, &osset, NULL);
@@ -846,9 +847,11 @@
static void show_textbox(const char *title, const char *text, int r, int c)
{
int fd;
+ int len = strlen(text);
fd = creat(".help.tmp", 0777);
- write(fd, text, strlen(text));
+ if (write(fd, text, len) != len)
+ exit(1);
close(fd);
show_file(".help.tmp", title, r, c);
unlink(".help.tmp");