annotate toys.h @ 3:266a462ed18c

Next drop of toysh, plus more infratructure.
author landley@driftwood
date Wed, 18 Oct 2006 18:38:16 -0400
parents 67b517913e56
children 732b055e17f7
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1 /* vi: set ts=4 :*/
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2 /* Toybox infrastructure.
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3 *
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4 * Copyright 2006 Rob Landley <rob@landley.net>
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5 *
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6 * Licensed under GPL version 2, see file LICENSE in this tarball for details.
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7 */
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8
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9 #include <limits.h>
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10 #include <stdarg.h>
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11 #include <stdio.h>
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12 #include <stdlib.h>
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13 #include <string.h>
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14 #include <strings.h>
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15 #include <unistd.h>
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17 #include "lib/lib.h"
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19 int cd_main(void);
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20 int df_main(void);
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21 int exit_main(void);
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22 int toybox_main(void);
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23 int toysh_main(void);
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25 #define TOYFLAG_USR (1<<0)
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26 #define TOYFLAG_BIN (1<<1)
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27 #define TOYFLAG_SBIN (1<<2)
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28 #define TOYMASK_LOCATION ((1<<4)-1)
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29
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30 #define TOYFLAG_NOFORK (1<<4)
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31
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32 extern struct toy_list {
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33 char *name;
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34 int (*toy_main)(void);
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35 int flags;
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36 } toy_list[];
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37 struct toy_list *toy_find(char *name);
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38 void toy_init(struct toy_list *which, char *argv[]);
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39 void toy_exec(char *argv[]);
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41 // Global context for this applet.
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42
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43 extern struct toy_context {
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44 struct toy_list *which; // Which entry in toy_list is this one?
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45 int exitval; // Value error_exit feeds to exit()
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46 int argc;
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47 char **argv;
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48 char buf[4096];
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49 } toys;
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50
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51 struct exit_data {;};
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52 struct cd_data {;};
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53 struct toybox_data {;};
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54 struct toysh_data {;};
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55 struct df_data {;};
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56
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57 union toy_union {
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58 struct exit_data exit;
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59 struct cd_data cd;
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60 struct toybox_data toybox;
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61 struct toysh_data toysh;
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62 struct df_data df;
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63 } toy;
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64
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65 // Pending the addition of menuconfig...
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66
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67 #define CFG_TOYS_FREE 0
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68
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69 #define CFG_TOYSH_TTY 0 // Terminal control
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70 #define CFG_TOYSH_JOBCTL 0 // &, fg, bg, jobs. ctrl-z with tty.
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71 #define CFG_TOYSH_FLOWCTL 0 // if, while, for, functions { }
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72 #define CFG_TOYSH_ENVVARS 0 // Environment variables
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73 #define CFG_TOYSH_LOCVARS 0 // Local, synthetic, fancy prompts, set, $?
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74 #define CFG_TOYSH_PIPES 0 // Pipes and redirects: | > < >> << && || & () ;