kconfig: Fix warning: ignoring return value of 'fgets'
This fix facilitates fgets() either it returns on success or on error or
when end of file occurs.
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 010600e..4f0ed5b 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -108,7 +108,7 @@
check_stdin();
case oldaskconfig:
fflush(stdout);
- fgets(line, 128, stdin);
+ xfgets(line, 128, stdin);
return 1;
default:
break;
@@ -306,7 +306,7 @@
check_stdin();
case oldaskconfig:
fflush(stdout);
- fgets(line, 128, stdin);
+ xfgets(line, 128, stdin);
strip(line);
if (line[0] == '?') {
print_help(menu);
@@ -644,3 +644,14 @@
}
return 0;
}
+/*
+ * Helper function to facilitate fgets() by Jean Sacren.
+ */
+void xfgets(str, size, in)
+ char *str;
+ int size;
+ FILE *in;
+{
+ if (fgets(str, size, in) == NULL)
+ fprintf(stderr, "\nError in reading or end of file.\n");
+}
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 2ac33f5..bdf71bd 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -72,6 +72,9 @@
int zconf_lineno(void);
char *zconf_curname(void);
+/* conf.c */
+void xfgets(char *str, int size, FILE *in);
+
/* confdata.c */
const char *conf_get_configname(void);
const char *conf_get_autoconfig_name(void);
