/*****************************************************************************
- * RRDtool 1.1.x Copyright Tobias Oetiker, 1997 - 2002
+ * RRDtool 1.2.23 Copyright by Tobi Oetiker, 1997-2007
* This file: Copyright 2003 Peter Stamfest <peter@stamfest.at>
* & Tobias Oetiker
* Distributed under the GPL
#include "rrd_tool.h"
#define MAXLEN 4096
#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;
}
+/* how ugly that is!!! - make sure strerror is what it should be. It
+ might be redefined to help in keeping other modules thread safe by
+ silently turning misplaced strerror into rrd_strerror, but here
+ this turns recursive! */
+#undef strerror
const char *rrd_strerror(int err) {
return strerror(err);
}