[patch 13/15] no-socklen_t.patch

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SunOS 2.6 and earlier do not have a socklen_t type declaration.
---
 Makefile      |    4 ++++
 aclocal.m4    |   41 +++++++++++++++++++++++++++++++++++++++++
 config.mak.in |    1 +
 configure.ac  |    6 ++++++
 4 files changed, 52 insertions(+)

Index: b/Makefile
===================================================================
--- a/Makefile
+++ b/Makefile
@@ -1064,6 +1064,10 @@ else
 BROKEN_PATH_FIX = '/^\# @@BROKEN_PATH_FIX@@$$/d'
 endif
 
+ifneq (socklen_t,$(SOCKLEN_T))
+	BASIC_CFLAGS += -Dsocklen_t=$(SOCKLEN_T)
+endif
+
 ifeq ($(uname_S),Darwin)
 	ifndef NO_FINK
 		ifeq ($(shell test -d /sw/lib && echo y),y)
Index: b/configure.ac
===================================================================
--- a/configure.ac
+++ b/configure.ac
@@ -613,6 +613,12 @@ AC_SUBST(OLD_ICONV)
 ## Checks for typedefs, structures, and compiler characteristics.
 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
 #
+TYPE_SOCKLEN_T
+case $ac_cv_type_socklen_t in
+  yes) 		AC_SUBST([SOCKLEN_T], [socklen_t]) ;;
+  *)  		AC_SUBST([SOCKLEN_T], [$git_cv_socklen_t_equiv]) ;;
+esac
+
 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
 AC_CHECK_MEMBER(struct dirent.d_ino,
 [NO_D_INO_IN_DIRENT=],
Index: b/config.mak.in
===================================================================
--- a/config.mak.in
+++ b/config.mak.in
@@ -58,6 +58,7 @@ NO_INET_PTON=@NO_INET_PTON@
 NO_ICONV=@NO_ICONV@
 OLD_ICONV=@OLD_ICONV@
 NO_DEFLATE_BOUND=@NO_DEFLATE_BOUND@
+SOCKLEN_T=@SOCKLEN_T@
 FREAD_READS_DIRECTORIES=@FREAD_READS_DIRECTORIES@
 SNPRINTF_RETURNS_BOGUS=@SNPRINTF_RETURNS_BOGUS@
 NO_PTHREADS=@NO_PTHREADS@
Index: b/aclocal.m4
===================================================================
--- /dev/null
+++ b/aclocal.m4
@@ -0,0 +1,41 @@
+dnl Check for socklen_t: historically on BSD it is an int, and in
+dnl POSIX 1g it is a type of its own, but some platforms use different
+dnl types for the argument to getsockopt, getpeername, etc.  So we
+dnl have to test to find something that will work.
+AC_DEFUN([TYPE_SOCKLEN_T],
+[
+   AC_CHECK_TYPE([socklen_t], ,[
+      AC_MSG_CHECKING([for socklen_t equivalent])
+      AC_CACHE_VAL([git_cv_socklen_t_equiv],
+      [
+         # Systems have either "struct sockaddr *" or
+         # "void *" as the second argument to getpeername
+         git_cv_socklen_t_equiv=
+         for arg2 in "struct sockaddr" void; do
+            for t in int size_t unsigned long "unsigned long"; do
+               AC_TRY_COMPILE([
+                  #include <sys/types.h>
+                  #include <sys/socket.h>
+
+                  int getpeername (int, $arg2 *, $t *);
+               ],[
+                  $t len;
+                  getpeername(0,0,&len);
+               ],[
+                  git_cv_socklen_t_equiv="$t"
+                  break 2
+               ])
+            done
+         done
+
+         if test "x$git_cv_socklen_t_equiv" = x; then
+            AC_MSG_ERROR([Cannot find a type to use in place of socklen_t])
+         fi
+      ])
+      AC_MSG_RESULT($git_cv_socklen_t_equiv)
+      AC_DEFINE_UNQUOTED(socklen_t, $git_cv_socklen_t_equiv,
+			[type to use in place of socklen_t if not defined])],
+      [#include <sys/types.h>
+#include <sys/socket.h>])
+])
+

-- 
Gary V. Vaughan (gary@xxxxxxxxxxxxxxxxxx)
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