v0.7 fix stringbuf memory allocation leak

ChangeLog

@@ -1,6 +1,10 @@
+2012-07-24	Yuri Dyachenko <[email protected]>
+	Version 0.7 released
+	Fix bug with stringbuf memory allocation.
+
 2012-07-23	Yuri Dyachenko <[email protected]>
 	Version 0.6 released
-	Fix bug with multithread syslog initialization
+	Fix bug with multithread syslog initialization.
 
 2012-06-29	Yuri Dyachenko <[email protected]>
 	Version 0.5 released

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.68 for syslogpp 0.6.
+# Generated by GNU Autoconf 2.68 for syslogpp 0.7.
 #
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -567,8 +567,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='syslogpp'
 PACKAGE_TARNAME='syslogpp'
-PACKAGE_VERSION='0.6'
-PACKAGE_STRING='syslogpp 0.6'
+PACKAGE_VERSION='0.7'
+PACKAGE_STRING='syslogpp 0.7'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1299,7 +1299,7 @@ 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 syslogpp 0.6 to adapt to many kinds of systems.
+\`configure' configures syslogpp 0.7 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1369,7 +1369,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of syslogpp 0.6:";;
+     short | recursive ) echo "Configuration of syslogpp 0.7:";;
    esac
   cat <<\_ACEOF
 
@@ -1474,7 +1474,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-syslogpp configure 0.6
+syslogpp configure 0.7
 generated by GNU Autoconf 2.68
 
 Copyright (C) 2010 Free Software Foundation, Inc.
@@ -1960,7 +1960,7 @@ 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 syslogpp $as_me 0.6, which was
+It was created by syslogpp $as_me 0.7, which was
 generated by GNU Autoconf 2.68.  Invocation command line was
 
   $ $0 $@
@@ -2775,7 +2775,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE=syslogpp
- VERSION=0.6
+ VERSION=0.7
 
 
 cat >>confdefs.h <<_ACEOF
@@ -16071,7 +16071,7 @@ 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 syslogpp $as_me 0.6, which was
+This file was extended by syslogpp $as_me 0.7, which was
 generated by GNU Autoconf 2.68.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -16137,7 +16137,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-syslogpp config.status 0.6
+syslogpp config.status 0.7
 configured by $0, generated by GNU Autoconf 2.68,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -1,5 +1,5 @@
-AC_INIT([syslogpp],[0.6])
-AM_INIT_AUTOMAKE([syslogpp],[0.6])
+AC_INIT([syslogpp],[0.7])
+AM_INIT_AUTOMAKE([syslogpp],[0.7])
 AC_CONFIG_MACRO_DIR([m4])
 m4_include([m4/acx_pthread.m4])
 : ${CXXFLAGS=""}

ebuild/Manifest

@@ -4,5 +4,6 @@ EBUILD libsyslogpp-0.3.ebuild 679 RMD160 46f1f9a1d96a9e721aa0fa3e238789ffd84662e
 EBUILD libsyslogpp-0.4.ebuild 679 RMD160 46f1f9a1d96a9e721aa0fa3e238789ffd84662e3 SHA1 e68ff52566cae6d0c4776be69c8b25b6f397a5f2 SHA256 fcc945c5cbd66c9702d32b484254b14f7f1accbfb84c91fa8fdfd9d3edef7f3a
 EBUILD libsyslogpp-0.5.ebuild 679 RMD160 46f1f9a1d96a9e721aa0fa3e238789ffd84662e3 SHA1 e68ff52566cae6d0c4776be69c8b25b6f397a5f2 SHA256 fcc945c5cbd66c9702d32b484254b14f7f1accbfb84c91fa8fdfd9d3edef7f3a
 EBUILD libsyslogpp-0.6.ebuild 679 RMD160 46f1f9a1d96a9e721aa0fa3e238789ffd84662e3 SHA1 e68ff52566cae6d0c4776be69c8b25b6f397a5f2 SHA256 fcc945c5cbd66c9702d32b484254b14f7f1accbfb84c91fa8fdfd9d3edef7f3a
+EBUILD libsyslogpp-0.7.ebuild 679 RMD160 46f1f9a1d96a9e721aa0fa3e238789ffd84662e3 SHA1 e68ff52566cae6d0c4776be69c8b25b6f397a5f2 SHA256 fcc945c5cbd66c9702d32b484254b14f7f1accbfb84c91fa8fdfd9d3edef7f3a
 EBUILD libsyslogpp-9999.ebuild 679 RMD160 46f1f9a1d96a9e721aa0fa3e238789ffd84662e3 SHA1 e68ff52566cae6d0c4776be69c8b25b6f397a5f2 SHA256 fcc945c5cbd66c9702d32b484254b14f7f1accbfb84c91fa8fdfd9d3edef7f3a
 MISC ChangeLog 573 RMD160 67bbfc19a70b171f38a3bd88c854db167ff0d415 SHA1 d718f197708e552b68b26de91577756d4ec2fa0a SHA256 2b8106be4cb0c528aa93c9760d951295b4e181d5a1defbc64f681612a858191f

ebuild/libsyslogpp-0.7.ebuild

@@ -0,0 +1 @@
+libsyslogpp-9999.ebuild

examples/Makefile

@@ -1,9 +1,11 @@
 CXXFLAGS+=-DHAVE_SYSLOG_H
 LDLIBS+=-lsyslogpp
-all: cerr clog std stream
+all: cerr clog std stream loop
 clean:
-	rm -f cerr clog std stream
+	rm -f cerr clog std stream loop
 cerr: cerr.cpp
 clog: clog.cpp
 std: std.cpp
 stream: stream.cpp
+loop: loop.cpp
+

examples/loop.cpp

@@ -0,0 +1,15 @@
+#include <stdlib.h>
+#include <syslogpp.h>
+
+int main()
+{
+syslog.open( NULL, LOG_PID, LOG_USER );
+for (int i = 0; i < 1024*1024*1024; ++i)
+    {
+    syslog( LOG_DEBUG ) << "syslog stream interface " << i << std::endl;
+    }
+syslog.close();
+pause();
+return EXIT_SUCCESS;
+}
+

src/syslogpp.h

@@ -67,12 +67,12 @@ m_prio = prio;
 
 int syslogbuf::sync()
 {
-char* str = pbase();
-if ( epptr() != str )
+if ( in_avail() )
     {
     sputc( '\0' );
-    syslog( m_prio, "%s", str );
-    setp( str, str );
+    syslog( m_prio, "%s", gptr() );
+    seekoff( 0, std::ios_base::beg, std::ios_base::in | std::ios_base::out );
+    setg( pbase(), pbase(), pbase() );
     }
 return 0; //success
 }