prepare for the release of rrdtool-1.2.13

[rrdtool.git] / src / rrd_rpncalc.c

diff --git a/src/rrd_rpncalc.c b/src/rrd_rpncalc.c
index 688becc..6a903f5 100644 (file)
--- a/src/rrd_rpncalc.c
+++ b/src/rrd_rpncalc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * RRDtool 1.2.9  Copyright by Tobi Oetiker, 1997-2005
+ * RRDtool 1.2.13  Copyright by Tobi Oetiker, 1997-2006
  ****************************************************************************
  * rrd_rpncalc.c  RPN calculator functions
  ****************************************************************************/
@@ -252,13 +252,15 @@ long lookup_DS(void *rrd_vptr,char *ds_name)
  * lookup(): a function that retrieves a numeric key given a variable name
  */
 rpnp_t * 
-rpn_parse(void *key_hash,char *expr,long (*lookup)(void *,char*)){
+rpn_parse(void *key_hash,const char *const expr_const,long (*lookup)(void *,char*)){
     int pos=0;
+    char *expr;
     long steps=-1;    
     rpnp_t  *rpnp;
-    char vname[30];
+    char vname[MAX_VNAME_LEN+10];
     
     rpnp=NULL;
+    expr=(char *)expr_const;
     
     while(*expr){
        if ((rpnp = (rpnp_t *) rrd_realloc(rpnp, (++steps + 2)*