diff options
| -rw-r--r-- | builtins.c | 2 | ||||
| -rw-r--r-- | type.c | 57 |
2 files changed, 57 insertions, 2 deletions
@@ -79,6 +79,7 @@ int newgrp_main(int argc, char *argv[]); int pwd_main(int argc, char *argv[]); int read_main(int argc, char *argv[]); int true_main(int argc, char *argv[]); +int type_main(int argc, char *argv[]); int ulimit_main(int argc, char *argv[]); int umask_main(int argc, char *argv[]); int unalias_main(int argc, char *argv[]); @@ -103,6 +104,7 @@ static struct builtin regular_builtins[] = { { "pwd", pwd_main }, { "read", read_main }, { "true", true_main }, + { "type", type_main }, { "ulimit", ulimit_main }, { "umask", umask_main }, { "unalias", unalias_main }, @@ -1,7 +1,60 @@ +#include "sh.h" #include <stdio.h> +#include <stdlib.h> +#include <unistd.h> int type_main(int argc, char **argv) { - printf("Sorry, %s isn't implemented yet.\n", argv[0]); - return argc; + int c; + while ((c = getopt(argc, argv, "")) != -1) { + switch (c) { + default: + return 1; + } + } + + if (optind >= argc) { + fprintf(stderr, "type: missing operands\n"); + return 1; + } + + int ret = 0; + for (int i = optind; i < argc; i++) { + if (sh_is_special_builtin(argv[i])) { + printf("%s: special built-in\n", argv[i]); + continue; + } + + /* + if (sh_is_function(argv[i])) { + printf("%s: function\n", argv[i]); + continue; + } + */ + + if (sh_is_regular_builtin(argv[i])) { + printf("%s: built-in\n", argv[i]); + continue; + } + + char *alias = sh_get_alias(argv[i]); + if (alias != NULL) { + printf("%s: alias (%s)\n", argv[i], alias); + continue; + } + + // keyword + + char *path = sh_find_in_path(argv[i], "PATH"); + if (path) { + printf("%s: %s\n", argv[i], path); + free(path); + continue; + } + + fprintf(stderr, "type: %s not found\n", argv[i]); + ret = 1; + } + + return ret; } |