X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=config%2Flkc.h;h=f8aee5fc6d5e607625fc9e7f93bcbcf7f2e9f13b;hb=320cfce45cb7016f265df42c9512414fb8e5d1e1;hp=b633bdb9f3d47c815be8727b155471167135626a;hpb=d1dbdf395b7ee5330b22008ba7c2cc704e157229;p=carl9170fw.git

diff --git a/config/lkc.h b/config/lkc.h
index b633bdb..f8aee5f 100644
--- a/config/lkc.h
+++ b/config/lkc.h
@@ -39,6 +39,12 @@ extern "C" {
 #ifndef CONFIG_
 #define CONFIG_ "CONFIG_"
 #endif
+static inline const char *CONFIG_prefix(void)
+{
+	return getenv( "CONFIG_" ) ?: CONFIG_;
+}
+#undef CONFIG_
+#define CONFIG_ CONFIG_prefix()
 
 #define TF_COMMAND	0x0001
 #define TF_PARAM	0x0002
@@ -90,8 +96,10 @@ struct conf_printer {
 /* confdata.c and expr.c */
 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
 {
-	if (fwrite(str, len, count, out) < count)
-		fprintf(stderr, "\nError in writing or end of file.\n");
+	assert(len != 0);
+
+	if (fwrite(str, len, count, out) != count)
+		fprintf(stderr, "Error in writing or end of file.\n");
 }
 
 /* menu.c */
@@ -114,6 +122,8 @@ void menu_set_type(int type);
 /* util.c */
 struct file *file_lookup(const char *name);
 int file_write_dep(const char *name);
+void *xmalloc(size_t size);
+void *xcalloc(size_t nmemb, size_t size);
 
 struct gstr {
 	size_t len;