104 void shell_run_built_in_command(int index, int argc, char **argv)  in shell_run_built_in_command()  argument
110     shell_cmds[index].func(argc, argv);  in shell_run_built_in_command()
121 int shell_cmd_cd(int argc, char **argv)  in shell_cmd_cd()  argument
131     if (!strcmp(".", argv[1]))  in shell_cmd_cd()
135     if (!strcmp("..", argv[1]))  in shell_cmd_cd()
155     int dest_len = strlen(argv[1]);  in shell_cmd_cd()
163     if (argv[1][0] == '/')  in shell_cmd_cd()
166         int ec = chdir(argv[1]);  in shell_cmd_cd()
174             strncpy(new_path, argv[1], dest_len);  in shell_cmd_cd()
193             if (argv[1][0] == '.' && argv[1][1] == '/') // 相对路径  in shell_cmd_cd()
212         strcat(new_path, argv[1] + dest_offset);  in shell_cmd_cd()
233     free(argv);  in shell_cmd_cd()
244 int shell_cmd_ls(int argc, char **argv)  in shell_cmd_ls()  argument
276     if (argv != NULL)  in shell_cmd_ls()
277         free(argv);  in shell_cmd_ls()
289 int shell_cmd_pwd(int argc, char **argv)  in shell_cmd_pwd()  argument
293     if (argv != NULL)  in shell_cmd_pwd()
294         free(argv);  in shell_cmd_pwd()
305 int shell_cmd_cat(int argc, char **argv)  in shell_cmd_cat()  argument
308     char *file_path = get_target_filepath(argv[1], &path_len);  in shell_cmd_cat()
330     if (argv != NULL)  in shell_cmd_cat()
331         free(argv);  in shell_cmd_cat()
342 int shell_cmd_touch(int argc, char **argv)  in shell_cmd_touch()  argument
347     if (argv[1][0] == '/')  in shell_cmd_touch()
348         file_path = argv[1];  in shell_cmd_touch()
351         file_path = get_target_filepath(argv[1], &path_len);  in shell_cmd_touch()
367     if (argv != NULL)  in shell_cmd_touch()
368         free(argv);  in shell_cmd_touch()
381 int shell_cmd_mkdir(int argc, char **argv)  in shell_cmd_mkdir()  argument
386     if (argv[1][0] == '/')  in shell_cmd_mkdir()
387         full_path = argv[1];  in shell_cmd_mkdir()
390         full_path = get_target_filepath(argv[1], &result_path_len);  in shell_cmd_mkdir()
396     if (argv != NULL)  in shell_cmd_mkdir()
397         free(argv);  in shell_cmd_mkdir()
410 int shell_cmd_rmdir(int argc, char **argv)  in shell_cmd_rmdir()  argument
416     if (argv[1][0] == '/')  in shell_cmd_rmdir()
417         full_path = argv[1];  in shell_cmd_rmdir()
420         full_path = get_target_filepath(argv[1], &result_path_len);  in shell_cmd_rmdir()
427     if (argv != NULL)  in shell_cmd_rmdir()
428         free(argv);  in shell_cmd_rmdir()
441 int shell_cmd_rm(int argc, char **argv)  in shell_cmd_rm()  argument
448     if (argv[1][0] == '/')  in shell_cmd_rm()
449         full_path = argv[1];  in shell_cmd_rm()
452         full_path = get_target_filepath(argv[1], &result_path_len);  in shell_cmd_rm()
462     if (argv != NULL)  in shell_cmd_rm()
463         free(argv);  in shell_cmd_rm()
474 int shell_cmd_exec(int argc, char **argv)  in shell_cmd_exec()  argument
485         char *file_path = get_target_filepath(argv[1], &path_len);  in shell_cmd_exec()
487         execv(file_path, argv);  in shell_cmd_exec()
488         free(argv);  in shell_cmd_exec()
496         if (strcmp(argv[argc - 1], "&") != 0)  in shell_cmd_exec()
503         free(argv);  in shell_cmd_exec()
507 int shell_cmd_about(int argc, char **argv)  in shell_cmd_about()  argument
509     if (argv != NULL)  in shell_cmd_about()
510         free(argv);  in shell_cmd_about()
523 int shell_cmd_kill(int argc, char **argv)  in shell_cmd_kill()  argument
532     retval = kill(atoi(argv[1]), SIGKILL);  in shell_cmd_kill()
534     free(argv);  in shell_cmd_kill()
545 int shell_cmd_reboot(int argc, char **argv)  in shell_cmd_reboot()  argument
550 int shell_cmd_free(int argc, char **argv)  in shell_cmd_free()  argument
553     if (argc == 2 && strcmp("-m", argv[1]) != 0)  in shell_cmd_free()
556         printf("Invalid argument: %s\n", argv[1]);  in shell_cmd_free()
582     if (argv != NULL)  in shell_cmd_free()
583         free(argv);  in shell_cmd_free()
595 int parse_command(char *buf, int *argc, char ***argv)  in parse_command()  argument
616     *argv = (char **)malloc(sizeof(char **) * (*argc));  in parse_command()
617     memset(*argv, 0, sizeof(char **) * (*argc));  in parse_command()
622         *((*argv) + i) = &buf[index];  in parse_command()
634     return shell_find_cmd(**argv);  in parse_command()