configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.

2004-09-07  Frank Ch. Eigler  <fche@redhat.com>

	* configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
	* mf-hooks2.c (strerror): Unregister previous string returned by
	previous strerror.
	(getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
	(getservent,getservbyname,getservbyport,gai_strerror): Ditto.
	* mf-runtime.h.in: Add redefine_extname pragmas for them all.
	* mf-runtime.c (__mf_describe_object): Clarify object life status.
	* testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
	New tests.
	* configure, config.h.in: Regenerated.

From-SVN: r87160

3 files changed, 62 insertions, 0 deletions

diff --git a/libmudflap/testsuite/libmudflap.c/fail32-frag.c b/libmudflap/testsuite/libmudflap.c/fail32-frag.c
new file mode 100644
index 00000000000..2a38237b678
--- /dev/null
+++ b/libmudflap/testsuite/libmudflap.c/fail32-frag.c
@@ -0,0 +1,16 @@
+void foo (int k)
+{
+  volatile int *b = & k;
+  b++;
+  *b = 5;
+}
+
+int main ()
+{
+  foo (5);
+  return 0;
+}
+/* { dg-output "mudflap violation 1.*" } */
+/* { dg-output "Nearby object.*" } */
+/* { dg-output "mudflap object.*k" } */
+/* { dg-do run { xfail *-*-* } } */
diff --git a/libmudflap/testsuite/libmudflap.c/pass48-frag.c b/libmudflap/testsuite/libmudflap.c/pass48-frag.c
new file mode 100644
index 00000000000..3059762a82c
--- /dev/null
+++ b/libmudflap/testsuite/libmudflap.c/pass48-frag.c
@@ -0,0 +1,11 @@
+void foo (int k)
+{
+  volatile int *b = & k;
+  *b = 5;
+}
+
+int main ()
+{
+  foo (5);
+  return 0;
+}
diff --git a/libmudflap/testsuite/libmudflap.c/pass49-frag.c b/libmudflap/testsuite/libmudflap.c/pass49-frag.c
new file mode 100644
index 00000000000..db7453079a0
--- /dev/null
+++ b/libmudflap/testsuite/libmudflap.c/pass49-frag.c
@@ -0,0 +1,35 @@
+#include <stdlib.h>
+#include <ctype.h>
+#include <stdarg.h>
+
+int foo (int a, ...)
+{
+  va_list args;
+  char *a1;
+  int a2;
+  int k;
+
+  va_start (args, a);
+  for (k = 0; k < a; k++)
+    {
+      if ((k % 2) == 0)
+        {
+          char *b = va_arg (args, char *);
+          printf ("%s", b);
+        }
+      else
+        {
+          int b = va_arg (args, int);
+          printf ("%d", b);
+        }
+    }
+  va_end (args);
+  return a;
+}
+
+int main ()
+{
+  foo (7, "hello ", 5, " ", 3, " world ", 9, "\n");
+  return 0;
+}
+/* { dg-output "hello 5 3 world 9" } */