misc: Implement some miscellaneous functions

Signed-off-by: Samuel Holland <samuel@sholland.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/libgcompat/misc.c b/libgcompat/misc.c
new file mode 100644
index 0000000..aee490f
--- /dev/null
+++ b/libgcompat/misc.c
@@ -0,0 +1,33 @@
+#include <stdlib.h>        /* abort, at_quick_exit */
+#include <sys/stat.h>      /* dev_t */
+#include <sys/sysmacros.h> /* major, makedev, minor */
+
+/**
+ * Terminate a function in case of buffer overflow.
+ *
+ * LSB 5.0: LSB-Core-generic/baselib---chk-fail-1.html
+ */
+void __chk_fail(void)
+{
+	abort();
+}
+
+int __cxa_at_quick_exit(void (*func)(void), void *__dso_handle)
+{
+	return at_quick_exit(func);
+}
+
+unsigned int gnu_dev_major(dev_t dev)
+{
+	return major(dev);
+}
+
+dev_t gnu_dev_makedev(unsigned int maj, unsigned int min)
+{
+	return makedev(maj, min);
+}
+
+unsigned int gnu_dev_minor(dev_t dev)
+{
+	return minor(dev);
+}