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annotate toys.h @ 1663:988f3d13b925 draft

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Move pty.h back to toys.h (under LSB 4.1 headers).
author Rob Landley <rob@landley.net>
date Fri, 16 Jan 2015 13:55:32 -0600
parents 5fac2769a159
children
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1
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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 // Stuff that needs to go before the standard headers
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7
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8 #include "generated/config.h"
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9 #include "lib/portability.h"
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11 // General posix-2008 headers
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12 #include <ctype.h>
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13 #include <dirent.h>
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14 #include <errno.h>
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15 #include <fcntl.h>
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16 #include <fnmatch.h>
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17 #include <grp.h>
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18 #include <inttypes.h>
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19 #include <limits.h>
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20 #include <math.h>
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21 #include <pwd.h>
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22 #include <regex.h>
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23 #include <sched.h>
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24 #include <setjmp.h>
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25 #include <signal.h>
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26 #include <stdarg.h>
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27 #include <stddef.h>
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28 #include <stdint.h>
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31 #include <string.h>
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32 #include <strings.h>
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33 #include <sys/mman.h>
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34 #include <sys/resource.h>
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35 #include <sys/stat.h>
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36 #include <sys/statvfs.h>
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37 #include <sys/time.h>
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38 #include <sys/times.h>
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39 #include <sys/types.h>
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40 #include <sys/utsname.h>
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41 #include <sys/wait.h>
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42 #include <syslog.h>
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43 #include <termios.h>
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44 #include <time.h>
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45 #include <unistd.h>
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46 #include <utime.h>
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48 // Posix networking
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50 #include <arpa/inet.h>
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51 #include <netdb.h>
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52 #include <net/if.h>
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53 #include <netinet/in.h>
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54 #include <netinet/tcp.h>
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55 #include <poll.h>
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56 #include <sys/socket.h>
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57 #include <sys/un.h>
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59 // Internationalization support (also in POSIX and LSB)
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61 #include <locale.h>
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62 #include <wchar.h>
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63 #include <wctype.h>
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65 // LSB 4.1 headers
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66 #include <pty.h>
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67 #include <sys/ioctl.h>
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68 #include <sys/statfs.h>
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69 #include <sys/sysinfo.h>
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70
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71 #include "lib/lib.h"
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72 #include "toys/e2fs.h"
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73
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74 // Get list of function prototypes for all enabled command_main() functions.
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75
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76 #define NEWTOY(name, opts, flags) void name##_main(void);
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77 #define OLDTOY(name, oldname, flags) void oldname##_main(void);
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78 #include "generated/newtoys.h"
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79 #include "generated/flags.h"
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80 #include "generated/globals.h"
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81
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82 // These live in main.c
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83
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84 struct toy_list *toy_find(char *name);
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266a462ed18c Next drop of toysh, plus more infratructure.
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85 void toy_init(struct toy_list *which, char *argv[]);
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86 void toy_exec(char *argv[]);
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87
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88 // Flags describing command behavior.
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89
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90 #define TOYFLAG_USR (1<<0)
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91 #define TOYFLAG_BIN (1<<1)
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92 #define TOYFLAG_SBIN (1<<2)
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93 #define TOYMASK_LOCATION ((1<<4)-1)
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94
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95 // This is a shell built-in function, running in the same process context.
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96 #define TOYFLAG_NOFORK (1<<4)
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97
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98 // Start command with a umask of 0 (saves old umask in this.old_umask)
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99 #define TOYFLAG_UMASK (1<<5)
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100
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101 // This command runs as root.
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102 #define TOYFLAG_STAYROOT (1<<6)
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103 #define TOYFLAG_NEEDROOT (1<<7)
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104 #define TOYFLAG_ROOTONLY (TOYFLAG_STAYROOT|TOYFLAG_NEEDROOT)
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105
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106 // Call setlocale to listen to environment variables.
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107 // This invalidates sprintf("%.*s", size, string) as a valid length constraint.
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108 #define TOYFLAG_LOCALE (1<<8)
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109
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110 // Array of available commands
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111
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112 extern struct toy_list {
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113 char *name;
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114 void (*toy_main)(void);
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115 char *options;
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116 int flags;
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117 } toy_list[];
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118
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119 // Global context shared by all commands.
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120
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121 extern struct toy_context {
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122 struct toy_list *which; // Which entry in toy_list is this one?
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123 char **argv; // Original command line arguments
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124 char **optargs; // Arguments left over from get_optflags()
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125 unsigned optflags; // Command line option flags from get_optflags()
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126 int exitval; // Value error_exit feeds to exit()
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127 int optc; // Count of optargs
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128 int exithelp; // Should error_exit print a usage message first?
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129 int old_umask; // Old umask preserved by TOYFLAG_UMASK
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130 int toycount; // Total number of commands in this build
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131 int signal; // generic_signal() records what signal it saw here
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132 int signalfd; // and writes signal to this fd, if set
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133
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134 // This is at the end so toy_init() doesn't zero it.
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135 jmp_buf *rebound; // longjmp here instead of exit when do_rebound set
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136 int recursion; // How many nested calls to toy_exec()
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137 } toys;
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138
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139 // Two big temporary buffers: one for use by commands, one for library functions
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140
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141 extern char toybuf[4096], libbuf[4096];
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142
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143 extern char **environ;
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144
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145 #define GLOBALS(...)
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146
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147 #define ARRAY_LEN(array) (sizeof(array)/sizeof(*array))