Merge branch 'master' of git://github.com/chunkeey/carl9170fw

[carl9170fw.git] / config / lkc.h

diff --git a/config/lkc.h b/config/lkc.h
index b633bdb9f3d47c815be8727b155471167135626a..f8aee5fc6d5e607625fc9e7f93bcbcf7f2e9f13b 100644 (file)
--- 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;