Update to be conditional

src/help.c

@@ -33,59 +33,165 @@ int help(int argc, char *argv[]) {
          "\n"
          "Current implementations include (in chronological order from 1st to "
          "recently developed):\n"
+#ifdef CONFIG_WC
          "wc:       Print newline, word, and byte counts\n"
+#endif
+#ifdef CONFIG_CAT
          "cat:      Concatenate files\n"
+#endif
+#ifdef CONFIG_CP
          "cp:       Copy files\n"
+#endif
+#ifdef CONFIG_SYNC
          "sync:     Sync filesystem caches to disk\n"
+#endif
+#ifdef CONFIG_YES
          "yes:      Output y or a character repeatedly until killed\n"
+#endif
+#ifdef CONFIG_UPDATE
          "update:   Sync filesystem caches every 30 seconds\n"
+#endif
+#ifdef CONFIG_SLEEP
          "sleep:    Sleep for the specified amount of seconds\n"
+#endif
+#ifdef CONFIG_WHOAMI
          "whoami:   Print current effective username\n"
+#endif
+#ifdef CONFIG_TRUE
          "true:     Return true\n"
+#endif
+#ifdef CONFIG_FALSE
          "false:    Return false\n"
+#endif
+#ifdef CONFIG_LS
          "ls:       List directory contents\n"
+#endif
+#ifdef CONFIG_ECHO
          "echo:     Display a line of text\n"
+#endif
+#ifdef CONFIG_INIT
          "init:     Initialize system\n"
+#endif
+#ifdef CONFIG_CMP
          "cmp:      Compare two files\n"
+#endif
+#ifdef CONFIG_RM
          "rm:       Remove files or directories\n"
+#endif
+#ifdef CONFIG_RMDIR
          "rmdir:    Remove empty directories\n"
+#endif
+#ifdef CONFIG_MKDIR
          "mkdir:    Create directories\n"
+#endif
+#ifdef CONFIG_MKNOD
          "mknod:    Create special files\n"
+#endif
+#ifdef CONFIG_HOSTNAME
          "hostname: Print hostname\n"
+#endif
+#ifdef CONFIG_FREE
          "free:     Display memory stats (shared & used probably broken)\n"
+#endif
+#ifdef CONFIG_XXD
          "xxd:      Make a hex dump\n"
+#endif
+#ifdef CONFIG_OD
          "od:       Dump files in octal format\n"
+#endif
+#ifdef CONFIG_HEXDUMP
          "hexdump:  Display a file in hexadecimal\n"
+#endif
+#ifdef CONFIG_W
          "w:        Display info about current users on machine (output "
          "broken)\n"
+#endif
+#ifdef CONFIG_VMSTAT
          "vmstat:   Report virtual memory statistics (output broken)\n"
+#endif
+#ifdef CONFIG_CUT
          "cut:      Exclude sections of lines in files and print to stdout\n"
+#endif
+#ifdef CONFIG_GREP
          "grep:     Print lines that match the pattern in files\n"
+#endif
+#ifdef CONFIG_TR
          "tr:       Translate characters\n"
+#endif
+#ifdef CONFIG_SORT
          "sort:     Sort lines of text\n"
+#endif
+#ifdef CONFIG_UNIQ
          "uniq:     Report or omit duplicate lines\n"
+#endif
+#ifdef CONFIG_UPTIME
          "uptime:   Display how long the system has been running\n"
+#endif
+#ifdef CONFIG_PS
          "ps:       Print current running processes snapshot\n"
+#endif
+#ifdef CONFIG_KILL
          "kill:     Send a signal to a process\n"
+#endif
+#ifdef CONFIG_TTY
          "tty:      Print the terminal connected to stdin\n"
+#endif
+#ifdef CONFIG_LINK
          "link:     Call link() to create a link to a file\n"
+#endif
+#ifdef CONFIG_UNLINK
          "unlink:   Call unlink() to remove a link to a file\n"
+#endif
+#ifdef CONFIG_NOHUP
          "nohup:    Run command immune to SIGHUP and all output to file\n"
+#endif
+#ifdef CONFIG_DIRNAME
          "dirname:  Strip last component from filename\n"
+#endif
+#ifdef CONFIG_BASENAME
          "basename: Strip directory and suffix from filenames\n"
+#endif
+#ifdef CONFIG_CAL
          "cal:      Display calendar\n"
+#endif
+#ifdef CONFIG_CLEAR
          "clear:    Clear the terminal screen\n"
+#endif
+#ifdef CONFIG_ENV
          "env:      Run a program in a custom environment\n"
+#endif
+#ifdef CONFIG_EXPAND
          "expand:   Convert tabs to spaces\n"
+#endif
+#ifdef CONFIG_UNEXPAND
          "unexpand: Convert spaces to tabs\n"
+#endif
+#ifdef CONFIG_FOLD
          "fold:     Wrap lines in input files to stdout\n"
+#endif
+#ifdef CONFIG_FACTOR
          "factor:   Display prime factors of a number\n"
+#endif
+#ifdef CONFIG_TOUCH
          "touch:    Create or change file timestamps\n"
+#endif
+#ifdef CONFIG_HEAD
          "head:     Output the first part of a file\n"
+#endif
+#ifdef CONFIG_TAIL
          "tail:     Output the last part of a file\n"
+#endif
+#ifdef CONFIG_PASTE
          "paste:    Merge lines from files\n"
+#endif
+#ifdef CONFIG_ARCH
          "arch:     Print machine hardware architecture\n"
-         "date:     print/set system time and date\n",
+#endif
+#ifdef CONFIG_DATE
+         "date:     Print/set system time and date\n"
+#endif
+         // Add more commands here as needed
+         "\n",
          VERSION);
   return 0;
 }

src/minibox.c

@@ -36,61 +36,165 @@ typedef struct {
   CommandFunc cmd_func;
 } Command;
 
-// Create command table
+// Create command table conditionally
 Command commands[] = {
-    {"wc", (CommandFunc)wc},
+#ifdef CONFIG_WC
+    {"wc", wc},
+#endif
+#ifdef CONFIG_CAT
     {"cat", cat},
+#endif
+#ifdef CONFIG_CP
     {"cp", cp},
+#endif
+#ifdef CONFIG_SYNC
     {"sync", _sync},
+#endif
+#ifdef CONFIG_YES
     {"yes", yes},
+#endif
+#ifdef CONFIG_UPDATE
     {"update", update},
+#endif
+#ifdef CONFIG_SLEEP
     {"sleep", _sleep},
+#endif
+#ifdef CONFIG_WHOAMI
     {"whoami", whoami},
+#endif
+#ifdef CONFIG_TRUE
     {"true", _true},
+#endif
+#ifdef CONFIG_FALSE
     {"false", _false},
+#endif
+#ifdef CONFIG_LS
     {"ls", ls},
+#endif
+#ifdef CONFIG_ECHO
     {"echo", echo},
+#endif
+#ifdef CONFIG_INIT
     {"init", init},
-    {"cmp", (CommandFunc)cmp},
+#endif
+#ifdef CONFIG_CMP
+    {"cmp", cmp},
+#endif
+#ifdef CONFIG_RM
     {"rm", rm},
+#endif
+#ifdef CONFIG_RMDIR
     {"rmdir", rmdir_cmd},
+#endif
+#ifdef CONFIG_MKDIR
     {"mkdir", mkdir_cmd},
+#endif
+#ifdef CONFIG_MKNOD
     {"mknod", mknod_command},
+#endif
+#ifdef CONFIG_HOSTNAME
     {"hostname", hostname},
+#endif
+#ifdef CONFIG_FREE
     {"free", free_cmd},
+#endif
+#ifdef CONFIG_XXD
     {"xxd", xxd},
+#endif
+#ifdef CONFIG_OD
     {"od", od},
+#endif
+#ifdef CONFIG_HEXDUMP
     {"hexdump", hexdump},
+#endif
+#ifdef CONFIG_W
     {"w", w},
+#endif
+#ifdef CONFIG_VMSTAT
     {"vmstat", vmstat},
+#endif
+#ifdef CONFIG_CUT
     {"cut", cut},
+#endif
+#ifdef CONFIG_GREP
     {"grep", grep},
+#endif
+#ifdef CONFIG_TR
     {"tr", tr},
+#endif
+#ifdef CONFIG_SORT
     {"sort", sort},
+#endif
+#ifdef CONFIG_UNIQ
     {"uniq", uniq},
+#endif
+#ifdef CONFIG_UPTIME
     {"uptime", uptime},
+#endif
+#ifdef CONFIG_PS
     {"ps", ps},
+#endif
+#ifdef CONFIG_KILL
     {"kill", kill_process},
+#endif
+#ifdef CONFIG_TTY
     {"tty", tty},
+#endif
+#ifdef CONFIG_LINK
     {"link", create_link},
+#endif
+#ifdef CONFIG_UNLINK
     {"unlink", remove_link},
+#endif
+#ifdef CONFIG_NOHUP
     {"nohup", nohup},
+#endif
+#ifdef CONFIG_DIRNAME
     {"dirname", print_dirname},
+#endif
+#ifdef CONFIG_BASENAME
     {"basename", print_basename},
+#endif
+#ifdef CONFIG_CAL
     {"cal", cal},
+#endif
+#ifdef CONFIG_CLEAR
     {"clear", clear},
+#endif
+#ifdef CONFIG_ENV
     {"env", env},
+#endif
+#ifdef CONFIG_EXPAND
     {"expand", expand},
+#endif
+#ifdef CONFIG_UNEXPAND
     {"unexpand", unexpand},
+#endif
+#ifdef CONFIG_FOLD
     {"fold", fold},
+#endif
+#ifdef CONFIG_FACTOR
     {"factor", factor},
+#endif
+#ifdef CONFIG_TOUCH
     {"touch", touch},
+#endif
+#ifdef CONFIG_HEAD
     {"head", head},
+#endif
+#ifdef CONFIG_TAIL
     {"tail", tail},
+#endif
+#ifdef CONFIG_PASTE
     {"paste", paste},
+#endif
+#ifdef CONFIG_ARCH
     {"arch", arch},
-    {"date", date}
-    // Add more commands here
+#endif
+#ifdef CONFIG_DATE
+    {"date", date},
+#endif
+    // Add more commands here as needed
 };
 
 size_t num_commands = sizeof(commands) / sizeof(commands[0]);
@@ -102,7 +206,7 @@ int execute_command(const char *cmd, int argc, char *argv[]) {
       return commands[i].cmd_func(argc, argv);
     }
   }
-  fprintf(stderr, "Unknown command or option specifed: %s\n", cmd);
+  fprintf(stderr, "Unknown command or option specified: %s\n", cmd);
   return 1;
 }