Assume we have limits.h.

It's in C90 (and I think it was in C89); if you don't have it, you have
an environment that's too old, especially given that we require a
C99-capable compiler on UN*X.

9 files changed, 3 insertions, 28 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 63a8e499..95a0f88a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -358,7 +358,6 @@ if(NOT WIN32)
     check_include_file(sys/sockio.h HAVE_SYS_SOCKIO_H)
     check_include_file(sys/select.h HAVE_SYS_SELECT_H)
 endif(NOT WIN32)
-check_include_file(limits.h HAVE_LIMITS_H)
 if(NOT WIN32)
     check_include_file(netpacket/packet.h HAVE_NETPACKET_PACKET_H)
     check_include_files("sys/types.h;sys/socket.h;net/if.h;net/pfvar.h" HAVE_NET_PFVAR_H)
diff --git a/cmakeconfig.h.in b/cmakeconfig.h.in
index 0d8c500d..a173cce5 100644
--- a/cmakeconfig.h.in
+++ b/cmakeconfig.h.in
@@ -75,9 +75,6 @@
 /* libnl has new-style socket api */
 #cmakedefine HAVE_LIBNL_SOCKETS 1
 
-/* Define to 1 if you have the <limits.h> header file. */
-#cmakedefine HAVE_LIMITS_H 1
-
 /* Define to 1 if you have the <linux/compiler.h> header file. */
 #cmakedefine HAVE_LINUX_COMPILER_H 1
 
diff --git a/config.h.in b/config.h.in
index eb40b28b..adc6edc7 100644
--- a/config.h.in
+++ b/config.h.in
@@ -84,9 +84,6 @@
 /* libnl has new-style socket api */
 #undef HAVE_LIBNL_SOCKETS
 
-/* Define to 1 if you have the <limits.h> header file. */
-#undef HAVE_LIMITS_H
-
 /* Define to 1 if you have the <linux/compiler.h> header file. */
 #undef HAVE_LINUX_COMPILER_H
 
diff --git a/configure b/configure
index 309c0bea..5d6cd825 100755
--- a/configure
+++ b/configure
@@ -4854,7 +4854,7 @@ fi
 done
 
 
-for ac_header in sys/ioccom.h sys/sockio.h limits.h
+for ac_header in sys/ioccom.h sys/sockio.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
diff --git a/configure.ac b/configure.ac
index bb5abd6e..ad55305e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -47,7 +47,7 @@ dnl in "aclocal.m4" uses it, so we would still have to test for it
 dnl and set "HAVE_SYS_IOCCOM_H" if we have it, otherwise
 dnl "AC_LBL_FIXINCLUDES" wouldn't work on some platforms such as Solaris.
 dnl
-AC_CHECK_HEADERS(sys/ioccom.h sys/sockio.h limits.h)
+AC_CHECK_HEADERS(sys/ioccom.h sys/sockio.h)
 AC_CHECK_HEADERS(netpacket/packet.h)
 AC_CHECK_HEADERS(net/pfvar.h, , , [#include <sys/types.h>
 #include <sys/socket.h>
diff --git a/fad-gifc.c b/fad-gifc.c
index 6b161274..6e63c154 100644
--- a/fad-gifc.c
+++ b/fad-gifc.c
@@ -56,12 +56,7 @@ struct rtentry;		/* declarations in <net/if.h> */
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#else
-#define INT_MAX		2147483647
-#endif
 
 #include "pcap-int.h"
 
diff --git a/pcap-dlpi.c b/pcap-dlpi.c
index 430051e8..09cb6d44 100644
--- a/pcap-dlpi.c
+++ b/pcap-dlpi.c
@@ -108,12 +108,7 @@
 #include <string.h>
 #include <stropts.h>
 #include <unistd.h>
-
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#else
-#define INT_MAX		2147483647
-#endif
 
 #include "pcap-int.h"
 #include "dlpisubs.h"
diff --git a/pcap.c b/pcap.c
index 204408a7..f856bd64 100644
--- a/pcap.c
+++ b/pcap.c
@@ -62,11 +62,7 @@ struct rtentry;		/* declarations in <net/if.h> */
 #endif
 #include <fcntl.h>
 #include <errno.h>
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#else
-#define INT_MAX		2147483647
-#endif
 
 #ifdef HAVE_OS_PROTO_H
 #include "os-proto.h"
diff --git a/sockutils.c b/sockutils.c
index ef3fe764..e01bd967 100644
--- a/sockutils.c
+++ b/sockutils.c
@@ -56,11 +56,7 @@
 #include <errno.h>	/* for the errno variable */
 #include <stdio.h>	/* for the stderr file */
 #include <stdlib.h>	/* for malloc() and free() */
-#ifdef HAVE_LIMITS_H
-#include <limits.h>
-#else
-#define INT_MAX		2147483647
-#endif
+#include <limits.h>	/* for INT_MAX */
 
 #include "pcap-int.h"