[lcd4linux @ 2001-04-27 05:04:57 by reinelt]

replaced OPEN_MAX with sysconf()
replaced mktemp() with mkstemp()
unlock serial port if open() fails

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@132 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

9 files changed, 185 insertions, 125 deletions

diff --git a/BeckmannEgle.c b/BeckmannEgle.c
index bc6055e..51bf98e 100644
--- a/BeckmannEgle.c
+++ b/BeckmannEgle.c
@@ -1,4 +1,4 @@
-/* $Id: BeckmannEgle.c,v 1.5 2001/02/13 09:00:13 reinelt Exp $
+/* $Id: BeckmannEgle.c,v 1.6 2001/04/27 05:04:57 reinelt Exp $
  *
  * driver for Beckmann+Egle mini terminals
  *
@@ -20,6 +20,12 @@
  *
  *
  * $Log: BeckmannEgle.c,v $
+ * Revision 1.6  2001/04/27 05:04:57  reinelt
+ *
+ * replaced OPEN_MAX with sysconf()
+ * replaced mktemp() with mkstemp()
+ * unlock serial port if open() fails
+ *
  * Revision 1.5  2001/02/13 09:00:13  reinelt
  *
  * prepared framework for GPO's (general purpose outputs)
@@ -137,10 +143,12 @@ static int BE_open (void)
   fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY); 
   if (fd==-1) {
     error ("BeckmannEgle: open(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   if (tcgetattr(fd, &portset)==-1) {
     error ("BeckmannEgle: tcgetattr(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   cfmakeraw(&portset);           // 8N1
@@ -148,6 +156,7 @@ static int BE_open (void)
   cfsetospeed(&portset, B9600);  // 9600 baud
   if (tcsetattr(fd, TCSANOW, &portset)==-1) {
     error ("BeckmannEgle: tcsetattr(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   return fd;
diff --git a/Crystalfontz.c b/Crystalfontz.c
index c88f55d..599ff0a 100644
--- a/Crystalfontz.c
+++ b/Crystalfontz.c
@@ -1,4 +1,4 @@
-/* $Id: Crystalfontz.c,v 1.6 2001/02/13 09:00:13 reinelt Exp $
+/* $Id: Crystalfontz.c,v 1.7 2001/04/27 05:04:57 reinelt Exp $
  *
  * driver for display modules from Crystalfontz
  *
@@ -19,6 +19,12 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
  * $Log: Crystalfontz.c,v $
+ * Revision 1.7  2001/04/27 05:04:57  reinelt
+ *
+ * replaced OPEN_MAX with sysconf()
+ * replaced mktemp() with mkstemp()
+ * unlock serial port if open() fails
+ *
  * Revision 1.6  2001/02/13 09:00:13  reinelt
  *
  * prepared framework for GPO's (general purpose outputs)
@@ -93,16 +99,19 @@ struct termios portset;
 	fd=open(Port,O_RDWR|O_NOCTTY|O_NDELAY);
 	if (fd==-1) {
 		error ("Crystalfontz: open(%s) failed: %s", Port, strerror(errno));
+		unlock_port(Port);
 		return -1;
 	}
 	if (tcgetattr(fd,&portset)==-1) {
 		error ("Crystalfontz: tcgetattr(%s) failed: %s", Port, strerror(errno));
+		unlock_port(Port);
 		return -1;
 	}
 	cfmakeraw(&portset);
 	cfsetospeed(&portset,Speed);
 	if (tcsetattr(fd, TCSANOW, &portset)==-1) {
 		error ("Crystalfontz: tcsetattr(%s) failed: %s", Port, strerror(errno));
+		unlock_port(Port);
 		return -1;
 	}
 	return fd;
diff --git a/MatrixOrbital.c b/MatrixOrbital.c
index b2ae3e7..6c35632 100644
--- a/MatrixOrbital.c
+++ b/MatrixOrbital.c
@@ -1,4 +1,4 @@
-/* $Id: MatrixOrbital.c,v 1.21 2001/02/14 07:40:16 reinelt Exp $
+/* $Id: MatrixOrbital.c,v 1.22 2001/04/27 05:04:57 reinelt Exp $
  *
  * driver for Matrix Orbital serial display modules
  *
@@ -20,6 +20,12 @@
  *
  *
  * $Log: MatrixOrbital.c,v $
+ * Revision 1.22  2001/04/27 05:04:57  reinelt
+ *
+ * replaced OPEN_MAX with sysconf()
+ * replaced mktemp() with mkstemp()
+ * unlock serial port if open() fails
+ *
  * Revision 1.21  2001/02/14 07:40:16  reinelt
  *
  * first (incomplete) GPO implementation
@@ -184,16 +190,19 @@ static int MO_open (void)
   fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY); 
   if (fd==-1) {
     error ("MatrixOrbital: open(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   if (tcgetattr(fd, &portset)==-1) {
     error ("MatrixOrbital: tcgetattr(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   cfmakeraw(&portset);
   cfsetospeed(&portset, Speed);
   if (tcsetattr(fd, TCSANOW, &portset)==-1) {
     error ("MatrixOrbital: tcsetattr(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   return fd;
diff --git a/PalmPilot.c b/PalmPilot.c
index 139d99c..66eeb0c 100644
--- a/PalmPilot.c
+++ b/PalmPilot.c
@@ -1,4 +1,4 @@
-/* $Id: PalmPilot.c,v 1.5 2001/03/16 16:40:17 ltoetsch Exp $
+/* $Id: PalmPilot.c,v 1.6 2001/04/27 05:04:57 reinelt Exp $
  *
  * driver for 3Com Palm Pilot
  *
@@ -20,6 +20,12 @@
  *
  *
  * $Log: PalmPilot.c,v $
+ * Revision 1.6  2001/04/27 05:04:57  reinelt
+ *
+ * replaced OPEN_MAX with sysconf()
+ * replaced mktemp() with mkstemp()
+ * unlock serial port if open() fails
+ *
  * Revision 1.5  2001/03/16 16:40:17  ltoetsch
  * implemented time bar
  *
@@ -98,16 +104,19 @@ static int Palm_open (void)
   fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY); 
   if (fd==-1) {
     error ("PalmPilot: open(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   if (tcgetattr(fd, &portset)==-1) {
     error ("PalmPilot: tcgetattr(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   cfmakeraw(&portset);
   cfsetospeed(&portset, Speed);
   if (tcsetattr(fd, TCSANOW, &portset)==-1) {
     error ("PalmPilot: tcsetattr(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   return fd;
diff --git a/SIN.c b/SIN.c
index 85ba29a..51861a7 100644
--- a/SIN.c
+++ b/SIN.c
@@ -1,4 +1,4 @@
-/* $Id: SIN.c,v 1.6 2001/02/13 09:00:13 reinelt Exp $
+/* $Id: SIN.c,v 1.7 2001/04/27 05:04:57 reinelt Exp $
  *
  * driver for SIN router displays
  *
@@ -20,6 +20,12 @@
  *
  *
  * $Log: SIN.c,v $
+ * Revision 1.7  2001/04/27 05:04:57  reinelt
+ *
+ * replaced OPEN_MAX with sysconf()
+ * replaced mktemp() with mkstemp()
+ * unlock serial port if open() fails
+ *
  * Revision 1.6  2001/02/13 09:00:13  reinelt
  *
  * prepared framework for GPO's (general purpose outputs)
@@ -96,16 +102,19 @@ static int SIN_open (void)
   fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY); 
   if (fd==-1) {
     error ("SIN: open(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   if (tcgetattr(fd, &portset)==-1) {
     error ("SIN: tcgetattr(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   cfmakeraw(&portset);
   cfsetospeed(&portset, B9600);
   if (tcsetattr(fd, TCSANOW, &portset)==-1) {
     error ("SIN: tcsetattr(%s) failed: %s", Port, strerror(errno));
+    unlock_port(Port);
     return -1;
   }
   return fd;
diff --git a/configure b/configure
index 769afc7..499aad8 100755
--- a/configure
+++ b/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.14 
+# Generated automatically using autoconf version 2.13 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -344,7 +344,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.14"
+    echo "configure generated by autoconf version 2.13"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -1680,7 +1680,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char gethostbyname();
-char (*f)();
 
 int main() {
 
@@ -1690,12 +1689,12 @@ int main() {
 #if defined (__stub_gethostbyname) || defined (__stub___gethostbyname)
 choke me
 #else
-f = gethostbyname;
+gethostbyname();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:1699: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1698: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -1716,7 +1715,7 @@ fi
 
     if test $ac_cv_func_gethostbyname = no; then
       echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:1720: checking for gethostbyname in -lnsl" >&5
+echo "configure:1719: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1724,7 +1723,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1728 "configure"
+#line 1727 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1735,7 +1734,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:1739: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1738: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1765,12 +1764,12 @@ fi
     # -lsocket must be given before -lnsl if both are needed.
     # We assume that if connect needs -lnsl, so does gethostbyname.
     echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:1769: checking for connect" >&5
+echo "configure:1768: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1774 "configure"
+#line 1773 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -1779,7 +1778,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char connect();
-char (*f)();
 
 int main() {
 
@@ -1789,12 +1787,12 @@ int main() {
 #if defined (__stub_connect) || defined (__stub___connect)
 choke me
 #else
-f = connect;
+connect();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:1798: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1796: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_connect=yes"
 else
@@ -1815,7 +1813,7 @@ fi
 
     if test $ac_cv_func_connect = no; then
       echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:1819: checking for connect in -lsocket" >&5
+echo "configure:1817: checking for connect in -lsocket" >&5
 ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1823,7 +1821,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1827 "configure"
+#line 1825 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1834,7 +1832,7 @@ int main() {
 connect()
 ; return 0; }
 EOF
-if { (eval echo configure:1838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1836: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1858,12 +1856,12 @@ fi
 
     # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
     echo $ac_n "checking for remove""... $ac_c" 1>&6
-echo "configure:1862: checking for remove" >&5
+echo "configure:1860: checking for remove" >&5
 if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1867 "configure"
+#line 1865 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char remove(); below.  */
@@ -1872,7 +1870,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char remove();
-char (*f)();
 
 int main() {
 
@@ -1882,12 +1879,12 @@ int main() {
 #if defined (__stub_remove) || defined (__stub___remove)
 choke me
 #else
-f = remove;
+remove();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:1891: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_remove=yes"
 else
@@ -1908,7 +1905,7 @@ fi
 
     if test $ac_cv_func_remove = no; then
       echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
-echo "configure:1912: checking for remove in -lposix" >&5
+echo "configure:1909: checking for remove in -lposix" >&5
 ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1916,7 +1913,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lposix  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1920 "configure"
+#line 1917 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1927,7 +1924,7 @@ int main() {
 remove()
 ; return 0; }
 EOF
-if { (eval echo configure:1931: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1928: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1951,12 +1948,12 @@ fi
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
     echo $ac_n "checking for shmat""... $ac_c" 1>&6
-echo "configure:1955: checking for shmat" >&5
+echo "configure:1952: checking for shmat" >&5
 if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1960 "configure"
+#line 1957 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char shmat(); below.  */
@@ -1965,7 +1962,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char shmat();
-char (*f)();
 
 int main() {
 
@@ -1975,12 +1971,12 @@ int main() {
 #if defined (__stub_shmat) || defined (__stub___shmat)
 choke me
 #else
-f = shmat;
+shmat();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:1984: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1980: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_shmat=yes"
 else
@@ -2001,7 +1997,7 @@ fi
 
     if test $ac_cv_func_shmat = no; then
       echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
-echo "configure:2005: checking for shmat in -lipc" >&5
+echo "configure:2001: checking for shmat in -lipc" >&5
 ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2009,7 +2005,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lipc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2013 "configure"
+#line 2009 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2020,7 +2016,7 @@ int main() {
 shmat()
 ; return 0; }
 EOF
-if { (eval echo configure:2024: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2020: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2053,7 +2049,7 @@ fi
   # libraries we check for below, so use a different variable.
   #  --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
   echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
-echo "configure:2057: checking for IceConnectionNumber in -lICE" >&5
+echo "configure:2053: checking for IceConnectionNumber in -lICE" >&5
 ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2061,7 +2057,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lICE $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2065 "configure"
+#line 2061 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2072,7 +2068,7 @@ int main() {
 IceConnectionNumber()
 ; return 0; }
 EOF
-if { (eval echo configure:2076: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2072: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2098,7 +2094,7 @@ fi
 
 
 echo $ac_n "checking which drivers to compile""... $ac_c" 1>&6
-echo "configure:2102: checking which drivers to compile" >&5
+echo "configure:2098: checking which drivers to compile" >&5
 # Check whether --with-drivers or --without-drivers was given.
 if test "${with_drivers+set}" = set; then
   withval="$with_drivers"
@@ -2289,12 +2285,12 @@ fi
 
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:2293: checking for ANSI C header files" >&5
+echo "configure:2289: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2298 "configure"
+#line 2294 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -2302,7 +2298,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2306: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2302: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2319,7 +2315,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 2323 "configure"
+#line 2319 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -2337,7 +2333,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 2341 "configure"
+#line 2337 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -2358,7 +2354,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 2362 "configure"
+#line 2358 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -2369,7 +2365,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:2373: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2369: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -2397,12 +2393,12 @@ for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
-echo "configure:2401: checking for $ac_hdr that defines DIR" >&5
+echo "configure:2397: checking for $ac_hdr that defines DIR" >&5
 if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2406 "configure"
+#line 2402 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_hdr>
@@ -2410,7 +2406,7 @@ int main() {
 DIR *dirp = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2414: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2410: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_header_dirent_$ac_safe=yes"
 else
@@ -2435,7 +2431,7 @@ done
 # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
 if test $ac_header_dirent = dirent.h; then
 echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
-echo "configure:2439: checking for opendir in -ldir" >&5
+echo "configure:2435: checking for opendir in -ldir" >&5
 ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2443,7 +2439,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldir  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2447 "configure"
+#line 2443 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2454,7 +2450,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:2458: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2454: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2476,7 +2472,7 @@ fi
 
 else
 echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
-echo "configure:2480: checking for opendir in -lx" >&5
+echo "configure:2476: checking for opendir in -lx" >&5
 ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2484,7 +2480,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lx  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2488 "configure"
+#line 2484 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2495,7 +2491,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:2499: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2495: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2518,12 +2514,12 @@ fi
 fi
 
 echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
-echo "configure:2522: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo "configure:2518: checking for sys/wait.h that is POSIX.1 compatible" >&5
 if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2527 "configure"
+#line 2523 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -2539,7 +2535,7 @@ wait (&s);
 s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
 ; return 0; }
 EOF
-if { (eval echo configure:2543: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2539: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_sys_wait_h=yes
 else
@@ -2563,17 +2559,17 @@ for ac_hdr in fcntl.h limits.h strings.h sys/ioctl.h sys/time.h syslog.h unistd.
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2567: checking for $ac_hdr" >&5
+echo "configure:2563: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2572 "configure"
+#line 2568 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2577: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2573: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2603,17 +2599,17 @@ for ac_hdr in sys/io.h asm/io.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2607: checking for $ac_hdr" >&5
+echo "configure:2603: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2612 "configure"
+#line 2608 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2617: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2613: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2643,17 +2639,17 @@ for ac_hdr in linux/parport.h linux/ppdev.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2647: checking for $ac_hdr" >&5
+echo "configure:2643: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2652 "configure"
+#line 2648 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2657: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2653: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2683,17 +2679,17 @@ for ac_hdr in gd/gd.h gd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2687: checking for $ac_hdr" >&5
+echo "configure:2683: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2692 "configure"
+#line 2688 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2697: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2693: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2723,17 +2719,17 @@ for ac_hdr in net/if_ppp.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2727: checking for $ac_hdr" >&5
+echo "configure:2723: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2732 "configure"
+#line 2728 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2737: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2733: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2763,17 +2759,17 @@ for ac_hdr in asm/msr.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2767: checking for $ac_hdr" >&5
+echo "configure:2763: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2772 "configure"
+#line 2768 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2777: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2773: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2801,12 +2797,12 @@ done
 
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:2805: checking for working const" >&5
+echo "configure:2801: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2810 "configure"
+#line 2806 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -2855,7 +2851,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:2859: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2855: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -2876,21 +2872,21 @@ EOF
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:2880: checking for inline" >&5
+echo "configure:2876: checking for inline" >&5
 if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat > conftest.$ac_ext <<EOF
-#line 2887 "configure"
+#line 2883 "configure"
 #include "confdefs.h"
 
 int main() {
 } $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:2894: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2890: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -2916,12 +2912,12 @@ EOF
 esac
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:2920: checking for pid_t" >&5
+echo "configure:2916: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2925 "configure"
+#line 2921 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -2949,12 +2945,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:2953: checking for size_t" >&5
+echo "configure:2949: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2958 "configure"
+#line 2954 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -2982,12 +2978,12 @@ EOF
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:2986: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:2982: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2991 "configure"
+#line 2987 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -2996,7 +2992,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:3000: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2996: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -3017,12 +3013,12 @@ EOF
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:3021: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:3017: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3026 "configure"
+#line 3022 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -3030,7 +3026,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:3034: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3030: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -3051,12 +3047,12 @@ EOF
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:3055: checking for uid_t in sys/types.h" >&5
+echo "configure:3051: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3060 "configure"
+#line 3056 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -3087,13 +3083,13 @@ fi
 
 if test $ac_cv_prog_gcc = yes; then
     echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
-echo "configure:3091: checking whether ${CC-cc} needs -traditional" >&5
+echo "configure:3087: checking whether ${CC-cc} needs -traditional" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 3097 "configure"
+#line 3093 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -3111,7 +3107,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 3115 "configure"
+#line 3111 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -3133,7 +3129,7 @@ echo "$ac_t""$ac_cv_prog_gcc_traditional" 1>&6
 fi
 
 echo $ac_n "checking for 8-bit clean memcmp""... $ac_c" 1>&6
-echo "configure:3137: checking for 8-bit clean memcmp" >&5
+echo "configure:3133: checking for 8-bit clean memcmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_memcmp_clean'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3141,7 +3137,7 @@ else
   ac_cv_func_memcmp_clean=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 3145 "configure"
+#line 3141 "configure"
 #include "confdefs.h"
 
 main()
@@ -3151,7 +3147,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3155: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3151: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_memcmp_clean=yes
 else
@@ -3169,12 +3165,12 @@ echo "$ac_t""$ac_cv_func_memcmp_clean" 1>&6
 test $ac_cv_func_memcmp_clean = no && LIBOBJS="$LIBOBJS memcmp.${ac_objext}"
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:3173: checking return type of signal handlers" >&5
+echo "configure:3169: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3178 "configure"
+#line 3174 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -3191,7 +3187,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:3195: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3191: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -3212,12 +3208,12 @@ EOF
 for ac_func in gettimeofday putenv select socket strdup strerror strstr strtol uname
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3216: checking for $ac_func" >&5
+echo "configure:3212: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3221 "configure"
+#line 3217 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3226,7 +3222,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3236,12 +3231,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3245: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3240: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3356,7 +3351,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.14"
+    echo "$CONFIG_STATUS generated by autoconf version 2.13"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
diff --git a/lcd4linux.c b/lcd4linux.c
index 7e991f4..e763a5d 100644
--- a/lcd4linux.c
+++ b/lcd4linux.c
@@ -1,4 +1,4 @@
-/* $Id: lcd4linux.c,v 1.32 2001/03/13 07:41:22 reinelt Exp $
+/* $Id: lcd4linux.c,v 1.33 2001/04/27 05:04:57 reinelt Exp $
  *
  * LCD4Linux
  *
@@ -20,6 +20,12 @@
  *
  *
  * $Log: lcd4linux.c,v $
+ * Revision 1.33  2001/04/27 05:04:57  reinelt
+ *
+ * replaced OPEN_MAX with sysconf()
+ * replaced mktemp() with mkstemp()
+ * unlock serial port if open() fails
+ *
  * Revision 1.32  2001/03/13 07:41:22  reinelt
  *
  * added NEWS file
@@ -181,7 +187,6 @@
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
-#include <limits.h>
 #include <errno.h>
 #include <signal.h>
 
@@ -431,12 +436,13 @@ int main (int argc, char *argv[])
   lcd_quit();
   
   if (got_signal==SIGHUP) {
-    int i, j;
+    long fd;
     debug ("restarting...");
     // close all files on exec
-    for (i=3; i<OPEN_MAX; i++) {
-      if ((j=fcntl(i,F_GETFD,0))!=-1)
-	fcntl(i,F_SETFD,j|FD_CLOEXEC);
+    for (fd=sysconf(_SC_OPEN_MAX); fd>2; fd--) {
+      int flag;
+      if ((flag=fcntl(fd,F_GETFD,0))!=-1)
+	fcntl(fd,F_SETFD,flag|FD_CLOEXEC);
     }
     execv (my_argv[0], my_argv);
     error ("execv() failed: %s", strerror(errno));
diff --git a/lock.c b/lock.c
index 2e02f35..c39f4ca 100644
--- a/lock.c
+++ b/lock.c
@@ -1,4 +1,4 @@
-/* $Id: lock.c,v 1.2 2000/08/10 09:44:09 reinelt Exp $
+/* $Id: lock.c,v 1.3 2001/04/27 05:04:57 reinelt Exp $
  *
  * UUCP style locking
  *
@@ -20,6 +20,12 @@
  *
  *
  * $Log: lock.c,v $
+ * Revision 1.3  2001/04/27 05:04:57  reinelt
+ *
+ * replaced OPEN_MAX with sysconf()
+ * replaced mktemp() with mkstemp()
+ * unlock serial port if open() fails
+ *
  * Revision 1.2  2000/08/10 09:44:09  reinelt
  *
  * new debugging scheme: error(), info(), debug()
@@ -76,13 +82,15 @@ pid_t lock_port (char *port)
   snprintf(lockfile, sizeof(lockfile), LOCK, p);
   snprintf(tempfile, sizeof(tempfile), LOCK, "TMP.XXXXXX");
 
-  if (mktemp(tempfile)==NULL) {
-    error ("mktemp(%s) failed.", tempfile);
+  if ((fd=mkstemp(tempfile))==-1) {
+    error ("mkstemp(%s) failed: %s", tempfile, strerror(errno));
     return -1;
   }
   
-  if ((fd=creat(tempfile, 0664))==-1) {
-    error ("creat(%s) failed: %s", tempfile, strerror(errno));
+  if (fchmod(fd,S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)==-1) {
+    error ("fchmod(%s) failed: %s", tempfile, strerror(errno));
+    close(fd);
+    unlink(tempfile);
     return -1;
   }
   
@@ -95,7 +103,7 @@ pid_t lock_port (char *port)
   }
   close (fd);
   
-
+  
   while (link(tempfile, lockfile)==-1) {
 
     if (errno!=EEXIST) {
diff --git a/pixmap.c b/pixmap.c
index dca7f52..e7c13f3 100644
--- a/pixmap.c
+++ b/pixmap.c
@@ -1,4 +1,4 @@
-/* $Id: pixmap.c,v 1.7 2001/03/17 11:44:10 ltoetsch Exp $
+/* $Id: pixmap.c,v 1.8 2001/04/27 05:04:57 reinelt Exp $
  *
  * generic pixmap driver
  *
@@ -20,8 +20,14 @@
  *
  *
  * $Log: pixmap.c,v $
+ * Revision 1.8  2001/04/27 05:04:57  reinelt
+ *
+ * replaced OPEN_MAX with sysconf()
+ * replaced mktemp() with mkstemp()
+ * unlock serial port if open() fails
+ *
  * Revision 1.7  2001/03/17 11:44:10  ltoetsch
- * allow more then 1 BAR_T
+ * allow more than 1 BAR_T
  *
  * Revision 1.6  2001/03/16 16:40:17  ltoetsch
  * implemented time bar