convert main() from C to Rust

[bcachefs-tools-debian] / bcachefs.c

diff --git a/bcachefs.c b/bcachefs.c
index 7ca79adab7108612d7b9825ccfa3099db5d72b01..70af2c39162074c77a7c6bdc1a437293bae0566c 100644 (file)
--- a/bcachefs.c
+++ b/bcachefs.c
@@ -25,7 +25,7 @@
 
 #include "cmds.h"
 
-static void usage(void)
+void bcachefs_usage(void)
 {
        puts("bcachefs - tool for managing bcachefs filesystems\n"
             "usage: bcachefs <command> [<args>]\n"
@@ -36,11 +36,9 @@ static void usage(void)
             "  set-option               Set a filesystem option\n"
             "  reset-counters           Reset all counters on an unmounted device\n"
             "\n"
-#ifndef BCACHEFS_NO_RUST
             "Mount:\n"
             "  mount                    Mount a filesystem\n"
             "\n"
-#endif
             "Repair:\n"
             "  fsck                     Check an existing filesystem for errors\n"
             "\n"
@@ -89,18 +87,14 @@ static void usage(void)
             "Debug:\n"
             "These commands work on offline, unmounted filesystems\n"
             "  dump                     Dump filesystem metadata to a qcow2 image\n"
-#ifndef BCACHEFS_NO_RUST
             "  list                     List filesystem metadata in textual form\n"
-#endif
             "  list_journal             List contents of journal\n"
             "\n"
             "FUSE:\n"
             "  fusemount                Mount a filesystem via FUSE\n"
             "\n"
             "Miscellaneous:\n"
-#ifndef BCACHEFS_NO_RUST
          "  completions              Generate shell completions\n"
-#endif
             "  version                  Display the version of the invoked bcachefs tool\n");
 }
 
@@ -115,12 +109,12 @@ static char *pop_cmd(int *argc, char *argv[])
        return cmd;
 }
 
-static int fs_cmds(int argc, char *argv[])
+int fs_cmds(int argc, char *argv[])
 {
        char *cmd = pop_cmd(&argc, argv);
 
        if (argc < 1) {
-               usage();
+               bcachefs_usage();
                exit(EXIT_FAILURE);
        }
        if (!strcmp(cmd, "usage"))
@@ -129,7 +123,7 @@ static int fs_cmds(int argc, char *argv[])
        return 0;
 }
 
-static int device_cmds(int argc, char *argv[])
+int device_cmds(int argc, char *argv[])
 {
        char *cmd = pop_cmd(&argc, argv);
 
@@ -155,7 +149,7 @@ static int device_cmds(int argc, char *argv[])
        return 0;
 }
 
-static int data_cmds(int argc, char *argv[])
+int data_cmds(int argc, char *argv[])
 {
        char *cmd = pop_cmd(&argc, argv);
 
@@ -169,7 +163,7 @@ static int data_cmds(int argc, char *argv[])
        return 0;
 }
 
-static int subvolume_cmds(int argc, char *argv[])
+int subvolume_cmds(int argc, char *argv[])
 {
        char *cmd = pop_cmd(&argc, argv);
        if (argc < 1)
@@ -183,112 +177,3 @@ static int subvolume_cmds(int argc, char *argv[])
 
        return 0;
 }
-
-int main(int argc, char *argv[])
-{
-       raid_init();
-
-       char *full_cmd = argv[0];
-
-       /* Are we being called via a symlink? */
-
-       if (strstr(full_cmd, "mkfs"))
-               return cmd_format(argc, argv);
-
-       if (strstr(full_cmd, "fsck"))
-               return cmd_fsck(argc, argv);
-
-#ifdef BCACHEFS_FUSE
-       if (strstr(full_cmd, "mount.fuse"))
-               return cmd_fusemount(argc, argv);
-#endif
-
-#ifndef BCACHEFS_NO_RUST
-       if (strstr(full_cmd, "mount"))
-               return rust_main(argc, argv, "mount");
-#endif
-
-       setvbuf(stdout, NULL, _IOLBF, 0);
-
-       char *cmd = pop_cmd(&argc, argv);
-       if (!cmd) {
-               puts("missing command\n");
-               goto usage;
-       }
-
-       /* these subcommands display usage when argc < 2 */
-       if (!strcmp(cmd, "device"))
-               return device_cmds(argc, argv);
-       if (!strcmp(cmd, "fs"))
-               return fs_cmds(argc, argv);
-       if (!strcmp(cmd, "data"))
-               return data_cmds(argc, argv);
-       if (!strcmp(cmd, "subvolume"))
-               return subvolume_cmds(argc, argv);
-       if (!strcmp(cmd, "format"))
-               return cmd_format(argc, argv);
-       if (!strcmp(cmd, "fsck"))
-               return cmd_fsck(argc, argv);
-       if (!strcmp(cmd, "version"))
-               return cmd_version(argc, argv);
-       if (!strcmp(cmd, "show-super"))
-               return cmd_show_super(argc, argv);
-       if (!strcmp(cmd, "set-option"))
-               return cmd_set_option(argc, argv);
-       if (!strcmp(cmd, "reset-counters"))
-               return cmd_reset_counters(argc, argv);
-
-#if 0
-       if (!strcmp(cmd, "assemble"))
-               return cmd_assemble(argc, argv);
-       if (!strcmp(cmd, "incremental"))
-               return cmd_incremental(argc, argv);
-       if (!strcmp(cmd, "run"))
-               return cmd_run(argc, argv);
-       if (!strcmp(cmd, "stop"))
-               return cmd_stop(argc, argv);
-#endif
-
-       if (!strcmp(cmd, "unlock"))
-               return cmd_unlock(argc, argv);
-       if (!strcmp(cmd, "set-passphrase"))
-               return cmd_set_passphrase(argc, argv);
-       if (!strcmp(cmd, "remove-passphrase"))
-               return cmd_remove_passphrase(argc, argv);
-
-       if (!strcmp(cmd, "migrate"))
-               return cmd_migrate(argc, argv);
-       if (!strcmp(cmd, "migrate-superblock"))
-               return cmd_migrate_superblock(argc, argv);
-
-       if (!strcmp(cmd, "dump"))
-               return cmd_dump(argc, argv);
-       if (!strcmp(cmd, "list_journal"))
-               return cmd_list_journal(argc, argv);
-       if (!strcmp(cmd, "kill_btree_node"))
-               return cmd_kill_btree_node(argc, argv);
-
-       if (!strcmp(cmd, "setattr"))
-               return cmd_setattr(argc, argv);
-#ifndef BCACHEFS_NO_RUST
-       if (!strcmp(cmd, "list") ||
-           !strcmp(cmd, "mount") ||
-           !strcmp(cmd, "completions"))
-               return rust_main(argc, argv, cmd);
-#endif
-
-#ifdef BCACHEFS_FUSE
-       if (!strcmp(cmd, "fusemount"))
-               return cmd_fusemount(argc, argv);
-#endif
-
-       if (!strcmp(cmd, "--help")) {
-               usage();
-               return 0;
-       }
-
-       printf("Unknown command %s\n", cmd);
-usage:
-       usage();
-       exit(EXIT_FAILURE);
-}