Fix: the server should send a zero PID for hung instances

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for Arma Server Monitor 0.1.
+# Generated by GNU Autoconf 2.69 for Arma Server Monitor 0.2.
 #
 # Report bugs to <[email protected]>.
 #
@@ -590,8 +590,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='Arma Server Monitor'
 PACKAGE_TARNAME='armaservermonitor'
-PACKAGE_VERSION='0.1'
-PACKAGE_STRING='Arma Server Monitor 0.1'
+PACKAGE_VERSION='0.2'
+PACKAGE_STRING='Arma Server Monitor 0.2'
 PACKAGE_BUGREPORT='[email protected]'
 PACKAGE_URL='https://dev.withsix.com/projects/asm-linux/'
 
@@ -1320,7 +1320,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures Arma Server Monitor 0.1 to adapt to many kinds of systems.
+\`configure' configures Arma Server Monitor 0.2 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1391,7 +1391,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of Arma Server Monitor 0.1:";;
+     short | recursive ) echo "Configuration of Arma Server Monitor 0.2:";;
    esac
   cat <<\_ACEOF
 
@@ -1504,7 +1504,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-Arma Server Monitor configure 0.1
+Arma Server Monitor configure 0.2
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1782,7 +1782,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by Arma Server Monitor $as_me 0.1, which was
+It was created by Arma Server Monitor $as_me 0.2, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2652,7 +2652,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='armaservermonitor'
- VERSION='0.1'
+ VERSION='0.2'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -12975,7 +12975,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by Arma Server Monitor $as_me 0.1, which was
+This file was extended by Arma Server Monitor $as_me 0.2, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -13042,7 +13042,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-Arma Server Monitor config.status 0.1
+Arma Server Monitor config.status 0.2
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -1,4 +1,4 @@
-AC_INIT([Arma Server Monitor], [0.1],[[email protected]],
+AC_INIT([Arma Server Monitor], [0.2],[[email protected]],
 	[armaservermonitor], [https://dev.withsix.com/projects/asm-linux/])
 AC_PREREQ([2.59])
 

src/server.c

@@ -482,7 +482,7 @@ void handle_signal(int s)
  *       (aka Little endian). That means that this function is technically
  *       non-portable to non-x86 architectures, since we do not use htons()
  *       et al to serialize the data before it is sent.
- *       (OTOTH, ArmA is strictly x86 anyhow)
+ *       (OTOH, ArmA is strictly x86 anyhow)
  */
 int send_asi(int clientfd)
 {
@@ -501,10 +501,11 @@ int send_asi(int clientfd)
 		asi = (struct ARMA_SERVER_INFO*)((unsigned char *)filemap + (instance * pagesize));
 
 		// Serialize the ARMA_SERVER_INFO struct data
-		*((unsigned short *)p) = asi->PID;           p += sizeof(unsigned short); // 2
 		if (asi->PID == 0 || asi->TICK_COUNT < DeadTimeOut) {
-			// The slot is either unused or dead - just send the PID field.
+			// The slot is either unused or dead - just send a zero PID field.
+			*((unsigned short *)p) = 0;                  p += sizeof(unsigned short); // 2
 		} else {
+			*((unsigned short *)p) = asi->PID;           p += sizeof(unsigned short); // 2
 			*((unsigned short *)p) = asi->OBJ_COUNT_0;   p += sizeof(unsigned short); // 4
 			*((unsigned short *)p) = asi->OBJ_COUNT_1;   p += sizeof(unsigned short); // 6
 			*((unsigned short *)p) = asi->OBJ_COUNT_2;   p += sizeof(unsigned short); // 8