From a8864c48c150e609cf3cf736d0993cbff9202116 Mon Sep 17 00:00:00 2001
From: Jarod Wilson <jwilson@fedoraproject.org>
Date: Tue, 2 Jan 2007 17:06:52 +0000
Subject: [PATCH] Add patch to fix crash w/long error strings (upstream
 changesets 929 and     935)

---
 rrdtool-1.2.15-long_error_string.patch | 35 ++++++++++++++++++++++++++
 rrdtool.spec                           |  8 +++++-
 2 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 rrdtool-1.2.15-long_error_string.patch

diff --git a/rrdtool-1.2.15-long_error_string.patch b/rrdtool-1.2.15-long_error_string.patch
new file mode 100644
index 0000000..32d6506
--- /dev/null
+++ b/rrdtool-1.2.15-long_error_string.patch
@@ -0,0 +1,35 @@
+Index: rrdtool/src/rrd_not_thread_safe.c
+===================================================================
+--- rrdtool/src/rrd_not_thread_safe.c (revision 860)
++++ rrdtool/src/rrd_not_thread_safe.c (revision 935)
+@@ -15,18 +15,24 @@
+ #define ERRBUFLEN 256
+ 
+-static char rrd_error[MAXLEN] = "\0";
+-static char rrd_liberror[ERRBUFLEN] = "\0";
++static char rrd_error[MAXLEN+10];
++static char rrd_liberror[ERRBUFLEN+10];
++static int  rrd_context_init = 0;
+ /* The global context is very useful in the transition period to even
+    more thread-safe stuff, it can be used whereever we need a context
+    and do not need to worry about concurrency. */
+ static struct rrd_context global_ctx = {
+-    sizeof(rrd_error),
+-    sizeof(rrd_liberror),
++    MAXLEN,
++    ERRBUFLEN,
+     rrd_error, 
+     rrd_liberror
+ };
+-#include <stdarg.h>
++/* #include <stdarg.h> */
+ 
+-struct rrd_context *rrd_get_context() {
++struct rrd_context *rrd_get_context(void) {
++    if (! rrd_context_init ){
++	rrd_context_init = 1;
++        global_ctx.rrd_error[0]='\0';
++        global_ctx.lib_errstr[0]='\0';
++    }
+     return &global_ctx;
+ }
diff --git a/rrdtool.spec b/rrdtool.spec
index 5c1ce25..864cf97 100644
--- a/rrdtool.spec
+++ b/rrdtool.spec
@@ -7,7 +7,7 @@
 Summary: Round Robin Database Tool to store and display time-series data
 Name: rrdtool
 Version: 1.2.15
-Release: 8%{?dist}
+Release: 9%{?dist}
 License: GPL
 Group: Applications/Databases
 URL: http://people.ee.ethz.ch/~oetiker/webtools/%{name}/
@@ -16,6 +16,7 @@ Source1: php4-svn%{php_rrd_svn}.tar.gz
 Patch0: rrdtool-1.2.13-php.patch
 Patch1: rrdtool-1.2.15-initrrdtool.patch
 Patch2: rrdtool-1.2.15-log_grid_leak.patch
+Patch3: rrdtool-1.2.15-long_error_string.patch
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: gcc-c++, openssl-devel, freetype-devel
 BuildRequires: libpng-devel, zlib-devel, libart_lgpl-devel >= 2.0
@@ -114,6 +115,7 @@ The %{name}-tcl package includes RRDtool bindings for Tcl.
 %endif
 %patch1 -p1 -b .initrrdtool
 %patch2 -p1 -b .leak
+%patch3 -p1 -b .longstring
 
 # Fix to find correct python dir on lib64
 %{__perl} -pi -e 's|get_python_lib\(0,0,prefix|get_python_lib\(1,0,prefix|g' \
@@ -272,6 +274,10 @@ find examples/ -type f -exec chmod 0644 {} \;
 %endif
 
 %changelog
+* Tue Jan 02 2007 Jarod Wilson <jwilson@redhat.com> 1.2.15-9
+- Fix crash with long error strings (upstream
+  changesets 929 and 935)
+
 * Thu Dec 14 2006 Jarod Wilson <jwilson@redhat.com> 1.2.15-8
 - Fix for log grid memory leak (#201241)