X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_create.c;h=1c3edc182d4e057e5aa44923fad85a3bedc37859;hb=e50d3e46544f991e79f36d394ab632ac73205a84;hp=1200b53699dc2cd6c150cd75ade1337e5fe39cae;hpb=8b72aa265bde592af7e13220a3484c5657d6ffaf;p=rrdtool.git

diff --git a/src/rrd_create.c b/src/rrd_create.c
index 1200b53..1c3edc1 100644
--- a/src/rrd_create.c
+++ b/src/rrd_create.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.2.11  Copyright by Tobi Oetiker, 1997-2005
+ * RRDtool 1.2.19  Copyright by Tobi Oetiker, 1997-2007
  *****************************************************************************
  * rrd_create.c  creates new rrds
  *****************************************************************************/
@@ -10,9 +10,9 @@
 
 #include "rrd_is_thread_safe.h"
 
-unsigned long FnvHash(char *str);
+unsigned long FnvHash(const char *str);
 int create_hw_contingent_rras(rrd_t *rrd, unsigned short period, unsigned long hashed_name);
-void parseGENERIC_DS(char *def,rrd_t *rrd, int ds_idx);
+void parseGENERIC_DS(const char *def,rrd_t *rrd, int ds_idx);
 
 int
 rrd_create(int argc, char **argv) 
@@ -78,7 +78,10 @@ rrd_create(int argc, char **argv)
 	    return(-1);
 	}
     }
-
+    if (optind == argc) {
+         rrd_set_error("what is the name of the rrd file you want to create?");
+         return -1;
+    }
     rc = rrd_create_r(argv[optind],
 		      pdp_step, last_up,
 		      argc - optind - 1, argv + optind + 1);
@@ -88,9 +91,9 @@ rrd_create(int argc, char **argv)
 
 /* #define DEBUG */
 int
-rrd_create_r(char *filename,
+rrd_create_r(const char *filename,
 	     unsigned long pdp_step, time_t last_up,
-	     int argc, char **argv) 
+	     int argc, const char **argv) 
 {
     rrd_t             rrd;
     long              i;
@@ -436,7 +439,7 @@ rrd_create_r(char *filename,
     return rrd_create_fn(filename, &rrd);
 }
 
-void parseGENERIC_DS(char *def,rrd_t *rrd, int ds_idx)
+void parseGENERIC_DS(const char *def,rrd_t *rrd, int ds_idx)
 {
     char minstr[DS_NAM_SIZE], maxstr[DS_NAM_SIZE];	
     /*
@@ -544,7 +547,7 @@ create_hw_contingent_rras(rrd_t *rrd, unsigned short period, unsigned long hashe
 /* create and empty rrd file according to the specs given */
 
 int
-rrd_create_fn(char *file_name, rrd_t *rrd)
+rrd_create_fn(const char *file_name, rrd_t *rrd)
 {
     unsigned long    i,ii;
     FILE             *rrd_file;
@@ -554,8 +557,11 @@ rrd_create_fn(char *file_name, rrd_t *rrd)
     if ((rrd_file = fopen(file_name,"wb")) == NULL ) {
 	rrd_set_error("creating '%s': %s",file_name, rrd_strerror(errno));
 	free(rrd->stat_head);
+        rrd->stat_head = NULL; 
 	free(rrd->ds_def);
+        rrd->ds_def = NULL; 
 	free(rrd->rra_def);
+        rrd->rra_def = NULL;
 	return(-1);
     }