realy suppress size output when talking to stdout. Patch from Mat Zimmerman @ debian

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk@189 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/src/rrd_tool.c b/program/src/rrd_tool.c
index 1795c8458d6934b70a406b40b8c5850567c61c91..037894085141c1a3c54d5cc18e19c28061f25274 100644 (file)
--- a/program/src/rrd_tool.c
+++ b/program/src/rrd_tool.c
@@ -583,12 +583,13 @@ int HandleInputLine(int argc, char **argv, FILE* out)
        const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
        int xsize, ysize;
        int i;
+       int tostdout = (strcmp(argv[2],"-") == 0);      
        if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize) != -1 ) {
-           if (strcmp(imgfile,"-") != 0) 
+           if (!tostdout) 
                printf ("%dx%d\n",xsize,ysize);
            if (calcpr) {
                for(i=0;calcpr[i];i++){
-                   if (strcmp(imgfile,"-") != 0) 
+                   if (!tostdout) 
                        printf("%s\n",calcpr[i]);
                    free(calcpr[i]);
                }