[PATCH v3] sim: use socklen_t with accept()

[Mike Frysinger <vapier@gentoo.org>]

The accept() function takes a socklen_t, not an int.  Using an int causes:
dv-sockser.c: In function 'connected_p':
dv-sockser.c:273: warning: pointer targets in passing argument 3
                           of 'accept' differ in signedness

So use the same socklen_t detection code as gdb and convert the accept().

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
v3
	- have dv-sockser.c declare socklen_t fallback

2010-03-30  Mike Frysinger  <vapier@gentoo.org>

	* configure.ac: Check for socklen_t.
	* configure, config.in: Regenerated.
	* dv-sockser.c: Typedef socklen_t as int when !HAVE_SOCKLEN_T.
	(connected_p): Change addrlen type to socklen_t.

 sim/common/config.in    |   29 +++++++++++---------
 sim/common/configure    |   68 +++++++++++++++++++++++++++++++++++++++++++++++
 sim/common/configure.ac |    5 +++
 sim/common/dv-sockser.c |    6 +++-
 4 files changed, 94 insertions(+), 14 deletions(-)

diff --git a/sim/common/config.in b/sim/common/config.in
index 6776827..6f93ff4 100644
--- a/sim/common/config.in
+++ b/sim/common/config.in
@@ -46,6 +46,9 @@
 /* Define to 1 if you have the `sigaction' function. */
 #undef HAVE_SIGACTION
 
+/* Define to 1 if the system has the type `socklen_t'. */
+#undef HAVE_SOCKLEN_T
+
 /* Define to 1 if you have the <stdint.h> header file. */
 #undef HAVE_STDINT_H
 
@@ -58,43 +61,43 @@
 /* Define to 1 if you have the <string.h> header file. */
 #undef HAVE_STRING_H
 
-/* Define to 1 if st_atime is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_atime'. */
 #undef HAVE_STRUCT_STAT_ST_ATIME
 
-/* Define to 1 if st_blksize is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_blksize'. */
 #undef HAVE_STRUCT_STAT_ST_BLKSIZE
 
-/* Define to 1 if st_blocks is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_blocks'. */
 #undef HAVE_STRUCT_STAT_ST_BLOCKS
 
-/* Define to 1 if st_ctime is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_ctime'. */
 #undef HAVE_STRUCT_STAT_ST_CTIME
 
-/* Define to 1 if st_dev is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_dev'. */
 #undef HAVE_STRUCT_STAT_ST_DEV
 
-/* Define to 1 if st_gid is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_gid'. */
 #undef HAVE_STRUCT_STAT_ST_GID
 
-/* Define to 1 if st_ino is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_ino'. */
 #undef HAVE_STRUCT_STAT_ST_INO
 
-/* Define to 1 if st_mode is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_mode'. */
 #undef HAVE_STRUCT_STAT_ST_MODE
 
-/* Define to 1 if st_mtime is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_mtime'. */
 #undef HAVE_STRUCT_STAT_ST_MTIME
 
-/* Define to 1 if st_nlink is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_nlink'. */
 #undef HAVE_STRUCT_STAT_ST_NLINK
 
-/* Define to 1 if st_rdev is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_rdev'. */
 #undef HAVE_STRUCT_STAT_ST_RDEV
 
-/* Define to 1 if st_size is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_size'. */
 #undef HAVE_STRUCT_STAT_ST_SIZE
 
-/* Define to 1 if st_uid is a member of struct stat. */
+/* Define to 1 if `struct stat' is a member of `st_uid'. */
 #undef HAVE_STRUCT_STAT_ST_UID
 
 /* Define to 1 if you have the <sys/mman.h> header file. */
diff --git a/sim/common/configure.ac b/sim/common/configure.ac
index 5f5845a..39302c8 100644
--- a/sim/common/configure.ac
+++ b/sim/common/configure.ac
@@ -49,5 +49,10 @@ AC_CHECK_MEMBERS([[struct stat.st_dev], [struct stat.st_ino],
 #ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif]])
+AC_CHECK_TYPES(socklen_t, [], [],
+[#include <sys/types.h>
+#include <sys/socket.h>
+])
+
 AC_OUTPUT(Makefile,
 [case x$CONFIG_HEADERS in xcconfig.h:config.in) echo > stamp-h ;; esac])
diff --git a/sim/common/dv-sockser.c b/sim/common/dv-sockser.c
index 9195190..03d49da 100644
--- a/sim/common/dv-sockser.c
+++ b/sim/common/dv-sockser.c
@@ -55,6 +55,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "dv-sockser.h"
 \f
+#ifndef HAVE_SOCKLEN_T
+typedef int socklen_t;
+#endif
+
 /* Get definitions for both O_NONBLOCK and O_NDELAY.  */
 
 #ifndef O_NDELAY
@@ -243,7 +247,7 @@ connected_p (SIM_DESC sd)
   struct timeval tv;
   fd_set readfds;
   struct sockaddr sockaddr;
-  int addrlen;
+  socklen_t addrlen;
 
   if (sockser_listen_fd == -1)
     return 0;
-- 
1.7.0.2