Changeset 9470

Timestamp:

Oct 10, 2006, 1:20:45 PM (20 years ago)

Author:

eugene

Message:

added -seconds, -reftime and -var options to date.c

File:

• trunk/Ohana/src/opihi/cmd.basic/date.c (modified) (1 diff)

trunk/Ohana/src/opihi/cmd.basic/date.c

@@ -3 +3 @@
 int date (int argc, char **argv) {
   
-  int N;
+  int N, SECONDS, REFTIME;
   struct timeval now;
-  char *tstring;
+  char *tstring, *varName;
 
-  if ((argc != 1) && (argc != 2)) {
-    gprint (GP_ERR, "USAGE: date [variable]\n");
+  SECONDS = FALSE;
+  if ((N = get_argument (argc, argv, "-seconds"))) {
+    remove_argument (N, &argc, argv);
+    SECONDS = TRUE;
+  } else {
+    ALLOCATE (tstring, char, 32);
+  }
+
+  REFTIME = 0;
+  if ((N = get_argument (argc, argv, "-reftime"))) {
+    remove_argument (N, &argc, argv);
+    REFTIME = atoi (argv[N]);
+    remove_argument (N, &argc, argv);
+  } 
+
+  varName = NULL;
+  if ((N = get_argument (argc, argv, "-var"))) {
+    remove_argument (N, &argc, argv);
+    varName = strcreate (argv[N]);
+    remove_argument (N, &argc, argv);
+  }
+
+  if (argc != 1) {
+    gprint (GP_ERR, "USAGE: date [-var variable] [-seconds] [-reftime seconds]\n");
     return (FALSE);
   }
 
   gettimeofday (&now, NULL);
-  tstring = ctime (&now.tv_sec);
-  N = strlen (tstring) - 1;
-  tstring[N] = 0;
+  if (SECONDS) {
+    if (varName) {
+      set_int_variable (varName, now.tv_sec - REFTIME);
+    } else {
+      gprint (GP_ERR, "%d\n", now.tv_sec - REFTIME);
+    }
+  } else {
+    ctime_r (&now.tv_sec, tstring);
+    N = strlen (tstring) - 1;
+    tstring[N] = 0;
 
-  if (argc == 1) {
-    gprint (GP_ERR, "%s\n", tstring);
-  } else {
-    set_str_variable (argv[1], tstring);
+    if (varName) {
+      set_str_variable (argv[1], tstring);
+    } else {
+      gprint (GP_ERR, "%s\n", tstring);
+    }
+    free (tstring);
   }
-
   return (TRUE);
 }