1 files changed, 28 insertions, 0 deletions
diff --git a/libc/error/__assert.c b/libc/error/__assert.c
new file mode 100644
index 0000000..bcf04e8
--- /dev/null
+++ b/libc/error/__assert.c
@@ -0,0 +1,28 @@
+/* Copyright (C) 1996 Robert de Bath <rdebath@cix.compulink.co.uk>
+ * This file is part of the Linux-8086 C library and is distributed
+ * under the GNU Library General Public License.
+ */
+
+#include <unistd.h>
+
+static void errput(str)
+const char * str;
+{
+   write(2, str, strlen(str));
+}
+
+void
+__assert(assertion, filename, linenumber)
+const char * assertion;
+const char * filename;
+int linenumber;
+{
+   errput("Failed assertion '");
+   errput(assertion);
+   errput("' in file ");
+   errput(filename);
+   errput(" at line ");
+   errput(itoa(linenumber));
+   errput(".\n");
+   abort();
+}