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46 linhas
1.7 KiB
46 linhas
1.7 KiB
#pragma once
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#define CMDLINE_MAX_SIZE 1024 /* max length of a single command line */
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#define ARGS_MAX_QUANTITY 128 /* max args on a command line */
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#define BUFFER_MAX_SIZE 64 /* max size of a buffer which contains parsed arguments */
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#define CMDLINE_DIV ' \t\r\n\a'
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#define CMDLINE_HISTORY_MAX_QUANTITY 256
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#define JOBS_MAX_QUANTITY 16
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#define PATH_MAX_SIZE 256
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#define LS_BUF_SIZE 1024
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#define REDIRECT_FILENAME_MAX_SIZE 64 /* redirection filename */
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#define REDIRECT_ARG_MAX_SIZE 16 /* redirection argument */
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#define REDIRECT_NO 0 /* no redirection */
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#define REDIRECT_OUT 1 /* redirect output */
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#define REDIRECT_IN 2 /* redirect input */
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/* readline - Get the command line */
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char *readline();
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/* parseline - Evaluate the command line that the user has just typed in */
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int parseline(char *cmdline, char **args);
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/* check_redirect - check if the command contains redirection */
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int check_redirect(char **args, char *redirect_filename, char **redirect_args);
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/* do_redirect - execute redirection command */
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int do_redirect(int redirect_flag, char *redirect_filename, char **redirect_args);
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/* check_redirect - check if the command contains pipe */
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int check_pipe(char **args, char **pipe_arg_1, char **pipe_arg_2);
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/* do_pipe - execute pipe command */
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int do_pipe(char **pipe_arg_1, char **pipe_arg_2);
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/* do_bgfg - fork and execute background/foreground tasks */
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int do_bg_fg(char **args, int bg);
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/* execute - Execute the command line */
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int execute(char *cmdline, char **args);
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/* builtin functions - Handle built-in command */
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int built_in(char **args);
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int builtin_cd(char **args);
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int builtin_history(char **args);
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int builtin_mytop();
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