1 files changed, 0 insertions, 166 deletions
diff --git a/sys/cmd/rc/code.dep b/sys/cmd/rc/code.dep
deleted file mode 100644
index 7fdd4bc..0000000
--- a/sys/cmd/rc/code.dep
+++ /dev/null
@@ -1,166 +0,0 @@
-#if 0
-// simple example code
-error
-cd(Args args)
-{
-    switch (args.len) {
-    case 0:
-        errorf("reached cd with no arguments!");
-        return 1;
-    case 1:
-    one:
-        errorf("sh: expected argument to command 'cd'");
-        return 1;
-    case 2:
-        if (args.a[1] == nil)
-            goto one;
-        break;
-    default:
-        errorf("sh: too many arguments to command 'cd'");
-        return 1;
-    }
-    if (chdir(args.a[1]))
-        errorf("cd fail: %s", strerror(errno));
-
-    return 0;
-}
-
-error
-quit(Args args)
-{
-    exit(0);
-}
-
-Builtin builtins[] = {
-    { "cd",   cd },
-    { "exit", quit },
-};
-
-void
-clear(Header *arr)
-{
-    arr->len = 0;
-}
-
-int
-readline(Code *code)
-{
-    int n, b;
-
-    n = code->len;
-getchar:
-    if (code->len >= code->cap) {
-        code->cap += 100;
-        code->s = realloc(code->s, code->cap);
-    }
-    /* TODO: unicode? */
-    switch ((b = getchar())) {
-    case EOF:
-        n = -1;
-        goto null;
-    case '\n':
-        n = code->len - n;
-    null:
-        code->s[code->len] = '\0';
-        break;
-    default:
-        code->s[code->len++] = b;
-        goto getchar;
-    }
-
-    return n;
-}
-
-/* TODO: unicode */
-int
-readargs(Code code, Args *args)
-{
-    if (args->a)
-        clear(&args->hdr);
-    else {
-        args->cap += 20;
-        args->a    = realloc(args->a, args->cap);
-    }
-
-    args->a[args->len++] = code.s;
-    while (*code.s) {
-        if (!isspace(*code.s++))
-            continue;
-
-        code.s[-1] = '\0';
-        /* consume all remaining space */
-        while (isspace(*code.s))
-            code.s++;
-
-        if (args->len >= args->cap-1) {
-            args->cap += 20;
-            args->a = realloc(args->a, args->cap);
-        }
-        args->a[args->len++] = code.s;
-    }
-    /* nil acts as a sentinel value */
-    args->a[args->len] = nil;
-
-    return args->len;
-}
-
-error
-execute(Args args)
-{
-    int i, status;
-    pid_t cid, wid;
-
-    for (i = 0; i < arrlen(builtins); i++) {
-        if (strcmp(args.a[0], builtins[i].cmd) == 0)
-            return builtins[i].func(args);
-    }
-
-    if ((cid = fork()) == 0) {
-        if (execvp(args.a[0], args.a) == -1)
-            errorf("exec failed: %s", strerror(errno));
-        exit(1);
-    } else if (cid > 0) 
-        do
-            wid = waitpid(cid, &status, WUNTRACED);
-        while (!WIFEXITED(status) && !WIFSIGNALED(status));
-    else
-        errorf("fork failed: %s", strerror(errno));
-
-    return status;
-}
-
-static
-void
-flush(void)
-{
-    io·flush(stdout);
-}
-
-static
-void
-prompt(void)
-{
-    printf(";");
-    flush();
-}
-
-int
-main(int argc, char *argv[])
-{
-    int  i, err, n;
-    Code code = {0};
-    Args args = {0};
-
-    ARGBEGIN {
-    } ARGEND;
-
-    do {
-        clear(&code.hdr);
-        prompt();
-
-        n = readline(&code);
-        readargs(code, &args);
-        err = execute(args);
-    } while (!err && n > 0);
-}
-#endif