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/* ----------------------------------------------------------------------- *
*
* Copyright 2008 Gene Cumm - All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 53 Temple Place Ste 330,
* Boston MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
/*
* rosh.h
*
* Read-Only shell; Header
*/
/*
* History
* b021 Move much PreProcessing stuff to rosh.h
* b018 Create rosh_debug() macro
* b012 Version of rosh.c at time of creating this file.
*/
#ifndef ROSH_H
#define ROSH_H
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h> /* macro: true false */
#include <string.h> /* strcpy() strlen() memcpy() strchr() */
#include <sys/types.h>
#include <sys/stat.h> /* fstat() */
#include <fcntl.h> /* open(); open mode macros */
#include <dirent.h> /* fdopendir() opendir() readdir() closedir() DIR */
#include <unistd.h> /* getcwd() */
#include <errno.h> /* errno; error macros */
#include <netinet/in.h> /* For htonl/ntohl/htons/ntohs */
#include <getkey.h>
#include <consoles.h>
/* A GNUC extension to void out unused functions are used */
/* Plus, there seem to be other references for SYSLINUX to __GNUC__ */
#ifndef __GNUC__
#error SYSLINUX (I believe) requires __GNUC__
#endif /* __GNUC__ */
#ifdef DO_DEBUG
#define ROSH_DEBUG(f, ...) printf (f, ## __VA_ARGS__)
#ifdef DO_DEBUG2
#define ROSH_DEBUG2(f, ...) printf (f, ## __VA_ARGS__)
#else /* DO_DEBUG2 */
#define ROSH_DEBUG2(f, ...) ((void)0)
#endif /* DO_DEBUG2 */
#else /* DO_DEBUG */
#define ROSH_DEBUG(f, ...) ((void)0)
#define ROSH_DEBUG2(f, ...) ((void)0)
#endif /* DO_DEBUG */
#ifdef __COM32__
#define ROSH_IS_COM32 1
#include <console.h> /* openconsole() */
#include <syslinux/config.h> /* Has info on the SYSLINUX variant */
#include <syslinux/boot.h> /* syslinux_run_command() */
#define ROSH_COM32(f, ...) printf (f, ## __VA_ARGS__)
#else
#include <termios.h>
#define ROSH_IS_COM32 0
static inline char *syslinux_config_file()
{
return "";
}
static inline int getscreensize(int fd, int *rows, int *cols)
{
char *str;
int rv;
*rows = 0;
*cols = 0;
if (rows) {
str = getenv("LINES");
if (str) {
*rows = atoi(str);
}
}
if (cols) {
str = getenv("COLUMNS");
if (str) {
*cols = atoi(str);
}
}
if (!rows || !cols)
rv = -1;
else if (!*rows || !*cols)
rv = -2;
else
rv = 0;
return rv;
}
#define ROSH_COM32(f, ...) ((void)0)
#define syslinux_run_command(f) ((void)0)
#endif /* __COM32__ */
#define SEP '/'
/* Size of buffer string */
#define ROSH_BUF_SZ 16384
/* Size of screen output buffer (80*40) */
#define ROSH_SBUF_SZ 1200
/* Size of command buffer string */
#ifdef MAX_CMDLINE_LEN
#define ROSH_CMD_SZ MAX_CMDLINE_LEN
#else
#ifdef COMMAND_LINE_SIZE
#define ROSH_CMD_SZ COMMAND_LINE_SIZE
#else
#define ROSH_CMD_SZ 2048
#endif /* COMMAND_LINE_SIZE */
#endif /* MAX_CMDLINE_LEN */
/* Size of path buffer string */
#ifdef PATH_MAX
#define ROSH_PATH_SZ PATH_MAX
#elif NAME_MAX
#define ROSH_PATH_SZ NAME_MAX
#else
#define ROSH_PATH_SZ 255
#endif /* NAME_MAX */
const char rosh_help_str1[] =
"Commands: ? cat cd cfg dir exit help less ls man more pwd run quit ver";
const char rosh_help_str2[] =
"Commands: (some 1-letter abreviations also allowed)\n\
h HELP\n ALSO ? help man\n\
cat Concatenate file to console\n cat <file>\n\
cd Change to directory <dir>\n cd <dir>\n\
less Page a file with rewind\n\
ls List contents of current directory\n ls <dir>\n\
ALSO dir\n\
more Page a file\n\
pwd display Present Working Directory\n\
run Run a program/kernel with options\n\
exit Exit to previous environment\n ALSO quit";
#endif /* Not ROSH_H */
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