1 files changed, 9 insertions, 0 deletions
diff --git a/src/base/error/assert.c b/src/base/error/assert.c
new file mode 100644
index 0000000..5e04ff2
--- /dev/null
+++ b/src/base/error/assert.c
@@ -0,0 +1,9 @@
+#include <u.h>
+#include <base.h>
+
+noreturn void
+·failassert(const char *expr, const char *file, int line, const char *func)
+{
+    fmt·fprint(sys·Stderr, "assert failed: %s (%s : %s: %d)\n", expr, file, func, line);
+    abort();
+}