fix from alex

[rrdtool.git] / src / rrd_info.c

diff --git a/src/rrd_info.c b/src/rrd_info.c
index 9308987..3b5364a 100644 (file)
--- a/src/rrd_info.c
+++ b/src/rrd_info.c
@@ -1,11 +1,12 @@
 /*****************************************************************************
- * RRDtool 1.3.1  Copyright by Tobi Oetiker, 1997-2008
+ * RRDtool 1.3.2  Copyright by Tobi Oetiker, 1997-2008
  *****************************************************************************
  * rrd_info  Get Information about the configuration of an RRD
  *****************************************************************************/
 
 #include "rrd_tool.h"
 #include "rrd_rpncalc.h"
+#include "rrd_client.h"
 #include <stdarg.h>
 
 /* proto */
@@ -80,18 +81,59 @@ rrd_info_t *rrd_info(
     char **argv)
 {
     rrd_info_t *info;
+    char *opt_daemon = NULL;
+    int status;
 
-    if (argc < 2) {
-        rrd_set_error("please specify an rrd");
-        return NULL;
-    }
+    optind = 0;
+    opterr = 0;         /* initialize getopt */
 
-    info = rrd_info_r(argv[1]);
+    while (42) {
+        int       opt;
+        int       option_index = 0;
+        static struct option long_options[] = {
+            {"daemon", required_argument, 0, 'd'},
+            {0, 0, 0, 0}
+        };
 
-    return (info);
-}
+        opt = getopt_long(argc, argv, "d:", long_options, &option_index);
 
+        if (opt == EOF)
+            break;
 
+        switch (opt) {
+        case 'd':
+            if (opt_daemon != NULL)
+                    free (opt_daemon);
+            opt_daemon = strdup (optarg);
+            if (opt_daemon == NULL)
+            {
+                rrd_set_error ("strdup failed.");
+                return (NULL);
+            }
+            break;
+
+        default:
+            rrd_set_error ("Usage: rrdtool %s [--daemon <addr>] <file>",
+                    argv[0]);
+            return (NULL);
+            break;
+        }
+    }                   /* while (42) */
+
+    if ((argc - optind) != 1) {
+        rrd_set_error ("Usage: rrdtool %s [--daemon <addr>] <file>",
+                argv[0]);
+        return (NULL);
+    }
+
+    status = rrdc_flush_if_daemon(opt_daemon, argv[optind]);
+    if (opt_daemon) free (opt_daemon);
+    if (status) return (NULL);
+
+    info = rrd_info_r(argv[optind]);
+
+    return (info);
+} /* rrd_info_t *rrd_info */
 
 rrd_info_t *rrd_info_r(
     char *filename)
@@ -104,6 +146,7 @@ rrd_info_t *rrd_info_r(
     enum cf_en current_cf;
     enum dst_en current_ds;
 
+    rrd_init(&rrd);
     rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
     if (rrd_file == NULL)
         goto err_free;