implement some simple check that make sure typedefs don't change in

a bad way on us.

Prompted by some recent work on types.h by guenther, to be fleshed
out as people require.

4 files changed, 73 insertions, 2 deletions

diff --git a/regress/misc/Makefile b/regress/misc/Makefile
index 12d322c5f4c..05107dc8ce0 100644
--- a/regress/misc/Makefile
+++ b/regress/misc/Makefile
@@ -1,6 +1,6 @@
-#	$OpenBSD: Makefile,v 1.4 2012/12/23 15:12:32 kettenis Exp $
+#	$OpenBSD: Makefile,v 1.5 2013/07/06 23:06:36 espie Exp $
 
-SUBDIR+= X11 exceptions objc sse2
+SUBDIR+= X11 c++abi exceptions objc sse2
 
 install:
 
diff --git a/regress/misc/c++abi/Makefile b/regress/misc/c++abi/Makefile
new file mode 100644
index 00000000000..d8d1aed97d8
--- /dev/null
+++ b/regress/misc/c++abi/Makefile
@@ -0,0 +1,13 @@
+# $OpenBSD: Makefile,v 1.1 2013/07/06 23:06:36 espie Exp $
+
+REGRESS_TARGETS = check1
+
+check1: nm1.out
+	diff -I 'OpenBSD' -u nm1.out ${.CURDIR}/nm1.ref
+
+nm1.out: nm1.o
+	nm -C nm1.o | fgrep witness | sort | sed -e 's/.* T witness_//' >$@
+
+CLEANFILES = *.o *.out
+
+.include <bsd.regress.mk>
diff --git a/regress/misc/c++abi/nm1.C b/regress/misc/c++abi/nm1.C
new file mode 100644
index 00000000000..2ed1a9bcff0
--- /dev/null
+++ b/regress/misc/c++abi/nm1.C
@@ -0,0 +1,31 @@
+/* $OpenBSD: nm1.C,v 1.1 2013/07/06 23:06:36 espie Exp $ */
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#define D(T)	void witness_##T(T) {}
+
+D(cpuid_t)
+D(dev_t)
+D(fixpt_t)
+D(fsblkcnt_t)
+D(gid_t)
+D(id_t)
+D(in_addr_t)
+D(in_port_t)
+D(ino_t)
+D(key_t)
+D(mode_t)
+D(nlink_t)
+D(pid_t)
+D(rlim_t)
+D(sa_family_t)
+D(segsz_t)
+D(socklen_t)
+D(suseconds_t)
+D(swblk_t)
+D(uid_t)
+D(uint64_t)
+D(uint32_t)
+D(size_t)
+D(off_t)
+D(useconds_t)
diff --git a/regress/misc/c++abi/nm1.ref b/regress/misc/c++abi/nm1.ref
new file mode 100644
index 00000000000..63b54dd4fd8
--- /dev/null
+++ b/regress/misc/c++abi/nm1.ref
@@ -0,0 +1,27 @@
+# $OpenBSDS$
+# reference output, all lines containing OpenBSD are ignored
+cpuid_t(unsigned long)
+dev_t(int)
+fixpt_t(unsigned int)
+fsblkcnt_t(unsigned long long)
+gid_t(unsigned int)
+id_t(unsigned int)
+in_addr_t(unsigned int)
+in_port_t(unsigned short)
+ino_t(unsigned int)
+key_t(long)
+mode_t(unsigned int)
+nlink_t(unsigned int)
+pid_t(int)
+rlim_t(unsigned long long)
+sa_family_t(unsigned char)
+segsz_t(int)
+socklen_t(unsigned int)
+suseconds_t(int)
+swblk_t(int)
+uid_t(unsigned int)
+uint64_t(unsigned long long)
+uint32_t(unsigned int)
+size_t(unsigned long)
+off_t(long long)
+useconds_t(unsigned int)