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improved error messages for rrd_graph commandline parsing -- Alex
[rrdtool.git]
/
src
/
rrd_rpncalc.c
diff --git
a/src/rrd_rpncalc.c
b/src/rrd_rpncalc.c
index
75d82ee
..
68e3f0c
100644
(file)
--- a/
src/rrd_rpncalc.c
+++ b/
src/rrd_rpncalc.c
@@
-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 *
* lookup(): a function that retrieves a numeric key given a variable name
*/
rpnp_t *
-rpn_parse(void *key_hash,c
har *expr
,long (*lookup)(void *,char*)){
+rpn_parse(void *key_hash,c
onst char *const expr_const
,long (*lookup)(void *,char*)){
int pos=0;
int pos=0;
+ char *expr;
long steps=-1;
rpnp_t *rpnp;
char vname[30];
rpnp=NULL;
long steps=-1;
rpnp_t *rpnp;
char vname[30];
rpnp=NULL;
+ expr=(char *)expr_const;
while(*expr){
if ((rpnp = (rpnp_t *) rrd_realloc(rpnp, (++steps + 2)*
while(*expr){
if ((rpnp = (rpnp_t *) rrd_realloc(rpnp, (++steps + 2)*