X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=src%2Frrd_tool.c;h=a86e0ed7667c7045aa86f5cd3c7a4987595d1b1a;hp=72fdddb2c30c2badc45dc3848a526f6a6f070bc5;hb=a390dded3e87ac8fd340175a7aa8cf7bce4d02f3;hpb=77377ff6ac43512ee216af115a3e62c57a2484a3

diff --git a/src/rrd_tool.c b/src/rrd_tool.c
index 72fdddb..a86e0ed 100644
--- a/src/rrd_tool.c
+++ b/src/rrd_tool.c
@@ -350,14 +350,15 @@ int HandleInputLine(int argc, char **argv, FILE* out)
     }
     else if (strcmp("graph", argv[1]) == 0) {
 	char **calcpr;
+	const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
 	int xsize, ysize;
 	int i;
 	if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize) != -1 ) {
-	    if (strcmp(argv[2],"-") != 0) 
+	    if (strcmp(imgfile,"-") != 0) 
 		printf ("%dx%d\n",xsize,ysize);
 	    if (calcpr) {
 		for(i=0;calcpr[i];i++){
-		    if (strcmp(argv[2],"-") != 0) 
+		    if (strcmp(imgfile,"-") != 0) 
 			printf("%s\n",calcpr[i]);
 		    free(calcpr[i]);
 		}