ctdl3264: sooper seekrit command line flag to make it not fail

diff --git a/citadel/utils/ctdl3264.c b/citadel/utils/ctdl3264.c
index 7fd3844e35c084ff6e295fad25c606196c8cd069..4aa0bd4cc3e7adeb7a454049c8d29508d34c0ed3 100644 (file)
--- a/citadel/utils/ctdl3264.c
+++ b/citadel/utils/ctdl3264.c
@@ -201,6 +201,7 @@ void convert_table(int which_cdb) {
 
 int main(int argc, char **argv) {
        char *src_dir = NULL;
+       int confirmed = 0;
 
        // Check to make sure we're running on the target 64-bit system
        if (sizeof(void *) != 8) {
@@ -211,17 +212,42 @@ int main(int argc, char **argv) {
 
        // Parse command line
        int a;
-       while ((a = getopt(argc, argv, "s:d:")) != EOF) {
+       while ((a = getopt(argc, argv, "s:d:y")) != EOF) {
                switch (a) {
                case 's':
                        src_dir = optarg;
                        break;
+               case 'y':
+                       confirmed = 1;
+                       break;
                default:
                        fprintf(stderr, "%s: usage: %s -s source_dir -d dest_dir\n", argv[0], argv[0]);
                        exit(2);
                }
        }
 
+       // Warn the user
+       printf("------------------------------------------------------------------------\n");
+       printf("ctdl3264 converts a Citadel database written on a 32-bit system to one  \n");
+       printf("that can be run on a 64-bit system.  It is intended to be run OFFLINE.  \n");
+       printf("Neither the source nor the target data directories should be mounted by \n");
+       printf("a running Citadel server.  We guarantee data corruption if you do not   \n");
+       printf("observe this warning!  The source [-s] directory should contain a copy  \n");
+       printf("of the database from your 32-bit system.  The destination [-d] directory\n");
+       printf("should be empty and will receive your 64-bit database.                  \n");
+       printf("------------------------------------------------------------------------\n");
+       printf("     Source 32-bit directory: %s\n", src_dir);
+       printf("Destination 64-bit directory: %s\n", "FIXME");
+       printf("------------------------------------------------------------------------\n");
+
+       if (confirmed == 1) {
+               printf("You have specified the [-y] flag, so processing will continue.\n");
+       }
+       else {
+               printf("Please consult the documentation to learn how to proceed.\n");
+               exit(0);
+       }
+
        open_dbenv(src_dir);
        for (int i = 0; i < MAXCDB; ++i) {
                convert_table(i);