annotate toys.h @ 1068:7ada6da9540a draft 0.4.6

Ah, that's why commit 1057 was skipped last pull: it was unfinished. Oops. (Fix it.)
author Rob Landley <rob@landley.net>
date Wed, 11 Sep 2013 12:09:53 -0500
parents acf7bb2b99e2
children 1c15ba60aa64
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1 /* Toybox infrastructure.
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2 *
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3 * Copyright 2006 Rob Landley <rob@landley.net>
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4 */
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5
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6 #include "generated/config.h"
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8 #include "lib/portability.h"
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9
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10 #include <ctype.h>
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11 #include <dirent.h>
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12 #include <errno.h>
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13 #include <fcntl.h>
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14 #include <grp.h>
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15 #include <inttypes.h>
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16 #include <limits.h>
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17 #include <libgen.h>
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18 #include <math.h>
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19 #include <pty.h>
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20 #include <pwd.h>
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21 #include <sched.h>
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22 #include <setjmp.h>
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23 #include <sched.h>
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24 #include <shadow.h>
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25 #include <stdarg.h>
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26 #include <stddef.h>
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27 #include <stdint.h>
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28 #include <stdio.h>
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29 #include <stdlib.h>
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30 #include <string.h>
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31 #include <strings.h>
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32 #include <sys/ioctl.h>
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33 #include <sys/mman.h>
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34 #include <sys/mount.h>
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35 #include <sys/resource.h>
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36 #include <sys/stat.h>
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37 #include <sys/statfs.h>
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38 #include <sys/statvfs.h>
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39 #include <sys/sysinfo.h>
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40 #include <sys/swap.h>
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41 #include <sys/time.h>
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42 #include <sys/times.h>
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43 #include <sys/types.h>
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44 #include <sys/utsname.h>
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45 #include <sys/wait.h>
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46 #include <syslog.h>
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47 #include <time.h>
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48 #include <unistd.h>
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49 #include <utime.h>
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50 #include <utmpx.h>
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52 // Internationalization support
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54 #include <locale.h>
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55 #include <wchar.h>
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56 #include <wctype.h>
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57
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58 #include "lib/lib.h"
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59 #include "toys/e2fs.h"
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61 // Get list of function prototypes for all enabled command_main() functions.
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63 #define NEWTOY(name, opts, flags) void name##_main(void);
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64 #define OLDTOY(name, oldname, opts, flags)
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65 #include "generated/newtoys.h"
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66 #include "generated/oldtoys.h"
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67 #include "generated/globals.h"
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69 // These live in main.c
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71 struct toy_list *toy_find(char *name);
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72 void toy_init(struct toy_list *which, char *argv[]);
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73 void toy_exec(char *argv[]);
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75 // Flags describing command behavior.
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76
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77 #define TOYFLAG_USR (1<<0)
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78 #define TOYFLAG_BIN (1<<1)
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79 #define TOYFLAG_SBIN (1<<2)
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80 #define TOYMASK_LOCATION ((1<<4)-1)
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81
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82 // This is a shell built-in function, running in the same process context.
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83 #define TOYFLAG_NOFORK (1<<4)
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85 // Start command with a umask of 0 (saves old umask in this.old_umask)
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86 #define TOYFLAG_UMASK (1<<5)
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88 // This command runs as root.
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89 #define TOYFLAG_STAYROOT (1<<6)
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90 #define TOYFLAG_NEEDROOT (1<<7)
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91 #define TOYFLAG_ROOTONLY (TOYFLAG_STAYROOT|TOYFLAG_NEEDROOT)
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92
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93 // Array of available commands
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95 extern struct toy_list {
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96 char *name;
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97 void (*toy_main)(void);
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98 char *options;
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99 int flags;
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100 } toy_list[];
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101
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102 // Global context shared by all commands.
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104 extern struct toy_context {
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105 struct toy_list *which; // Which entry in toy_list is this one?
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106 int exitval; // Value error_exit feeds to exit()
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107 char **argv; // Original command line arguments
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108 unsigned optflags; // Command line option flags from get_optflags()
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109 char **optargs; // Arguments left over from get_optflags()
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110 int optc; // Count of optargs
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111 int exithelp; // Should error_exit print a usage message first?
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112 int old_umask; // Old umask preserved by TOYFLAG_UMASK
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113 jmp_buf *rebound; // longjmp here instead of exit when do_rebound set
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114 } toys;
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116 // Two big temporary buffers: one for use by commands, one for library functions
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118 extern char toybuf[4096], libbuf[4096];
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119
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120 extern char **environ;
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122 #define GLOBALS(...)
647
3258d9233753 Replace TOY_LIST_LEN with more generic ARRAY_LEN()
Rob Landley <rob@landley.net>
parents: 627
diff changeset
123
3258d9233753 Replace TOY_LIST_LEN with more generic ARRAY_LEN()
Rob Landley <rob@landley.net>
parents: 627
diff changeset
124 #define ARRAY_LEN(array) (sizeof(array)/sizeof(*array))