* aclocal.m4: Add functions KRB5_GETSOCKNAME_ARGS and

	KRB5_GETPEERNAME_ARGS to elucidate the argument types to
	getsockname() and getpeername().

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@13653 dc483132-0cff-0310-8789-dd5450dbe970

2 files changed, 89 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index f9813da3c2..765e55048b 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2001-07-30  Ezra Peisach  <epeisach@mit.edu>
+
+	* aclocal.m4: Add functions KRB5_GETSOCKNAME_ARGS and
+	KRB5_GETPEERNAME_ARGS to elucidate the argument types to
+	getsockname() and getpeername().
+
 2001-07-23  Danilo Almeida  <dalmeida@mit.edu>
 
 	* Makefile.in: Build gssftp client on Win32.
diff --git a/src/aclocal.m4 b/src/aclocal.m4
index 2998ed9c95..3506ab0b6a 100644
--- a/src/aclocal.m4
+++ b/src/aclocal.m4
@@ -408,6 +408,7 @@ AC_CACHE_VAL(krb5_cv_prog_cc,[dnl
 # -Wno-comment is for SunOS system header <sys/stream.h>
 extra_gcc_warn_opts="-Wall -Wmissing-prototypes -Wcast-qual \
  -Wcast-align -Wconversion -Wshadow -Wno-comment -pedantic"
+#extra_gcc_warn_opts="-Wall -Wmissing-prototypes -Wcast-align -Wshadow -Wno-comment"
 if test "$GCC" = yes ; then
   AC_MSG_RESULT(adding extra warning flags for gcc)
   CCOPTS="$CCOPTS $extra_gcc_warn_opts"
@@ -1286,3 +1287,85 @@ if test $krb5_cv_func_$2_noproto = yes; then
 fi
 ifelse([$3], ,[fi])
 ])
+dnl
+dnl =============================================================
+dnl Internal function for testing for getpeername prototype
+dnl
+AC_DEFUN([TRY_PEER_INT],[
+krb5_lib_var=`echo "$1 $2" | sed 'y% ./+-*%___p_p%'`
+AC_MSG_CHECKING([if getpeername() takes arguments $1 and $2])
+AC_CACHE_VAL(krb5_cv_getpeername_proto$krb5_lib_var,
+[
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/socket.h>
+extern int getpeername(int, $1, $2);
+],,eval "krb5_cv_getpeername_proto$krb5_lib_var=yes", 
+   eval "krb5_cv_getpeername_proto$krb5_lib_var=no")])
+if eval "test \"`echo '$krb5_cv_getpeername_proto'$krb5_lib_var`\" = yes"; then
+	AC_MSG_RESULT(yes)
+	peer_set=yes
+	res1=`echo "$1" | tr -d ' *'`
+	res2=`echo "$2" | tr -d ' *'`
+	AC_DEFINE_UNQUOTED([GETPEERNAME_ARG2_TYPE],$res1)
+	AC_DEFINE_UNQUOTED([GETPEERNAME_ARG3_TYPE],$res2)
+else
+	AC_MSG_RESULT(no)
+fi
+])
+dnl
+dnl Determines the types of the second and third arguments to getpeername()
+dnl Note: It is possible that noe of the combinations will work and the
+dnl code must deal
+AC_DEFUN([KRB5_GETPEERNAME_ARGS],[
+peer_set=no
+for peer_arg1 in "struct sockaddr *" "void *"
+do
+  for peer_arg2 in "size_t *" "int *"
+  do
+	if test $peer_set = no; then
+	  TRY_PEER_INT($peer_arg1, $peer_arg2)
+	fi
+  done 
+done
+])
+dnl
+dnl =============================================================
+dnl Internal function for testing for getsockname arguments
+dnl
+AC_DEFUN([TRY_GETSOCK_INT],[
+krb5_lib_var=`echo "$1 $2" | sed 'y% ./+-*%___p_p%'`
+AC_MSG_CHECKING([if getsockname() takes arguments $1 and $2])
+AC_CACHE_VAL(krb5_cv_getsockname_proto_$krb5_lib_var,
+[
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/socket.h>
+extern int getsockname(int, $1, $2);
+],,eval "krb5_cv_getsockname_proto_$krb5_lib_var=yes",
+    eval "krb5_cv_getsockname_proto_$krb5_lib_var=no")])
+if eval "test \"`echo '$krb5_cv_getsockname_proto_'$krb5_lib_var`\" = yes"; then
+	AC_MSG_RESULT(yes)
+	sock_set=yes
+	res1=`echo "$1" | tr -d ' *'`
+	res2=`echo "$2" | tr -d ' *'`
+	AC_DEFINE_UNQUOTED([GETSOCKNAME_ARG2_TYPE],$res1)
+	AC_DEFINE_UNQUOTED([GETSOCKNAME_ARG3_TYPE],$res2)
+else
+	AC_MSG_RESULT(no)
+fi
+])
+dnl
+dnl Determines the types of the second and third arguments to getsockname()
+dnl Note: It is possible that noe of the combinations will work and the
+dnl code must deal
+AC_DEFUN([KRB5_GETSOCKNAME_ARGS],[
+sock_set=no
+for sock_arg1 in "struct sockaddr *" "void *"
+do
+  for sock_arg2 in "size_t *" "int *"
+  do
+	if test $sock_set = no; then
+	  TRY_GETSOCK_INT($sock_arg1, $sock_arg2)
+	fi
+  done 
+done
+])