toybox: main.c annotate

annotate main.c @ 522:33ce0407ea47

Add tac. (Shell wrapper is smaller, but all-in-one static binary is compelling use case.)

author	Rob Landley <rob@landley.net>
date	Sun, 04 Mar 2012 16:27:21 -0600
parents	f558dce66095
children	85fc06bd63c4

rev	line source
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	1 /* vi: set ts=4 :*/
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	2 /* Toybox infrastructure.
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	3 *
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	4 * Copyright 2006 Rob Landley <rob@landley.net>
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	5 */
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	6
1 59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: 0 diff changeset	7 #include "toys.h"
59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: 0 diff changeset	8
21 6475d6c46066 Add pwd. Consolidate toy list information under toylist.h. Rob Landley <rob@landley.net> parents: 20 diff changeset	9 // Populate toy_list[].
1 59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: 0 diff changeset	10
88 021fe1a818c3 Small cleanup to prepare for cross-compile friendly make install. Rob Landley <rob@landley.net> parents: 65 diff changeset	11 #undef NEWTOY
021fe1a818c3 Small cleanup to prepare for cross-compile friendly make install. Rob Landley <rob@landley.net> parents: 65 diff changeset	12 #undef OLDTOY
021fe1a818c3 Small cleanup to prepare for cross-compile friendly make install. Rob Landley <rob@landley.net> parents: 65 diff changeset	13 #define NEWTOY(name, opts, flags) {#name, name##_main, opts, flags},
021fe1a818c3 Small cleanup to prepare for cross-compile friendly make install. Rob Landley <rob@landley.net> parents: 65 diff changeset	14 #define OLDTOY(name, oldname, opts, flags) {#name, oldname##_main, opts, flags},
021fe1a818c3 Small cleanup to prepare for cross-compile friendly make install. Rob Landley <rob@landley.net> parents: 65 diff changeset	15
1 59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: 0 diff changeset	16 struct toy_list toy_list[] = {
234 163498bf547b Move NEWTOY() list from end of toylist.h to generated/newtoys.h. Rob Landley <rob@landley.net> parents: 197 diff changeset	17 #include "generated/newtoys.h"
1 59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: 0 diff changeset	18 };
59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: 0 diff changeset	19
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	20 #define TOY_LIST_LEN (sizeof(toy_list)/sizeof(struct toy_list))
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	21
1 59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: 0 diff changeset	22 // global context for this applet.
59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: 0 diff changeset	23
59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: 0 diff changeset	24 struct toy_context toys;
237 7cb15eae1664 Zap toylist.h, moving contents of global structures into DEFINE_GLOBALS() Rob Landley <rob@landley.net> parents: 234 diff changeset	25 union global_union this;
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 25 diff changeset	26 char toybuf[4096];
1 59d58fab67c6 Next snapshot. Tries to grab something out of lib in order to build, I have landley@driftwood parents: 0 diff changeset	27
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	28 struct toy_list toy_find(char name)
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	29 {
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	30 int top, bottom, middle;
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	31
402 2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	32 // If the name starts with "toybox" accept that as a match. Otherwise
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	33 // skip the first entry, which is out of order.
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	34
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	35 if (!strncmp(name,"toybox",6)) return toy_list;
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	36 bottom = 1;
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	37
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	38 // Binary search to find this applet.
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	39
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	40 top = TOY_LIST_LEN-1;
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	41 for (;;) {
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	42 int result;
156 1e8f4b05cb65 Remove trailing whitespace (thanks to Charlie Shepherd), and a couple comment Rob Landley <rob@landley.net> parents: 138 diff changeset	43
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	44 middle = (top+bottom)/2;
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	45 if (middle<bottom \|\| middle>top) return NULL;
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	46 result = strcmp(name,toy_list[middle].name);
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	47 if (!result) return toy_list+middle;
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	48 if (result<0) top=--middle;
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	49 else bottom = ++middle;
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	50 }
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	51 }
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	52
122 ee49aa0dc731 Show the compiler how to optimize out the option parsing logic when nothing Rob Landley <rob@landley.net> parents: 121 diff changeset	53 // Figure out whether or not anything is using the option parsing logic,
ee49aa0dc731 Show the compiler how to optimize out the option parsing logic when nothing Rob Landley <rob@landley.net> parents: 121 diff changeset	54 // because the compiler can't figure out whether or not to optimize it away
402 2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	55 // on its' own. NEED_OPTIONS becomes a constant allowing if() to optimize
2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	56 // stuff out via dead code elimination.
122 ee49aa0dc731 Show the compiler how to optimize out the option parsing logic when nothing Rob Landley <rob@landley.net> parents: 121 diff changeset	57
ee49aa0dc731 Show the compiler how to optimize out the option parsing logic when nothing Rob Landley <rob@landley.net> parents: 121 diff changeset	58 #undef NEWTOY
ee49aa0dc731 Show the compiler how to optimize out the option parsing logic when nothing Rob Landley <rob@landley.net> parents: 121 diff changeset	59 #undef OLDTOY
ee49aa0dc731 Show the compiler how to optimize out the option parsing logic when nothing Rob Landley <rob@landley.net> parents: 121 diff changeset	60 #define NEWTOY(name, opts, flags) opts \|\|
ee49aa0dc731 Show the compiler how to optimize out the option parsing logic when nothing Rob Landley <rob@landley.net> parents: 121 diff changeset	61 #define OLDTOY(name, oldname, opts, flags) opts \|\|
125 a4af344fb349 Make warning go away. Rob Landley <rob@landley.net> parents: 122 diff changeset	62 static const int NEED_OPTIONS =
234 163498bf547b Move NEWTOY() list from end of toylist.h to generated/newtoys.h. Rob Landley <rob@landley.net> parents: 197 diff changeset	63 #include "generated/newtoys.h"
122 ee49aa0dc731 Show the compiler how to optimize out the option parsing logic when nothing Rob Landley <rob@landley.net> parents: 121 diff changeset	64 0; // Ends the opts \|\| opts \|\| opts...
ee49aa0dc731 Show the compiler how to optimize out the option parsing logic when nothing Rob Landley <rob@landley.net> parents: 121 diff changeset	65
402 2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	66 // Setup toybox global state for this command.
2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	67
3 266a462ed18c Next drop of toysh, plus more infratructure. landley@driftwood parents: 2 diff changeset	68 void toy_init(struct toy_list which, char argv[])
266a462ed18c Next drop of toysh, plus more infratructure. landley@driftwood parents: 2 diff changeset	69 {
370 c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	70 // Drop permissions for non-suid commands.
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	71
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	72 if (CFG_TOYBOX_SUID) {
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	73 uid_t uid = getuid(), euid = geteuid();
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	74
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	75 if (!(which->flags & TOYFLAG_STAYROOT)) {
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	76 if (uid != euid) xsetuid(euid=uid);
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	77 } else if (CFG_TOYBOX_DEBUG && uid)
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	78 error_exit("Not installed suid root");
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	79
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	80 if ((which->flags & TOYFLAG_NEEDROOT) && euid)
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	81 error_exit("Not root");
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	82 }
c7a26e26ad08 Add TOYBOX_SUID. Rob Landley <rob@landley.net> parents: 257 diff changeset	83
373 5e68c7cab1a4 Make toy_init() reentrant, or else xexec() has funky errors. Rob Landley <rob@landley.net> parents: 370 diff changeset	84 // Free old toys contents (to be reentrant)
5e68c7cab1a4 Make toy_init() reentrant, or else xexec() has funky errors. Rob Landley <rob@landley.net> parents: 370 diff changeset	85
5e68c7cab1a4 Make toy_init() reentrant, or else xexec() has funky errors. Rob Landley <rob@landley.net> parents: 370 diff changeset	86 if (toys.optargs != toys.argv+1) free(toys.optargs);
480 f558dce66095 Nathan McSween convinced me compilers that inline memset() can optimize the bzero case pretty well. Rob Landley <rob@landley.net> parents: 441 diff changeset	87 memset(&toys, 0, sizeof(struct toy_context));
3 266a462ed18c Next drop of toysh, plus more infratructure. landley@driftwood parents: 2 diff changeset	88
266a462ed18c Next drop of toysh, plus more infratructure. landley@driftwood parents: 2 diff changeset	89 toys.which = which;
266a462ed18c Next drop of toysh, plus more infratructure. landley@driftwood parents: 2 diff changeset	90 toys.argv = argv;
122 ee49aa0dc731 Show the compiler how to optimize out the option parsing logic when nothing Rob Landley <rob@landley.net> parents: 121 diff changeset	91 if (NEED_OPTIONS && which->options) get_optflags();
121 933766b0bd4b Allow applets with optarg string NULL to use toy.optargs[]. Rob Landley <rob@landley.net> parents: 93 diff changeset	92 else toys.optargs = argv+1;
257 951110c37fee Add TOYFLAG_UMASK. Rob Landley <rob@landley.net> parents: 241 diff changeset	93 if (which->flags & TOYFLAG_UMASK) toys.old_umask = umask(0);
3 266a462ed18c Next drop of toysh, plus more infratructure. landley@driftwood parents: 2 diff changeset	94 }
266a462ed18c Next drop of toysh, plus more infratructure. landley@driftwood parents: 2 diff changeset	95
402 2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	96 // Like exec() but runs an internal toybox command instead of another file.
2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	97 // Only returns if it can't find the command, otherwise exit() when done.
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	98 void toy_exec(char *argv[])
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	99 {
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	100 struct toy_list *which;
121 933766b0bd4b Allow applets with optarg string NULL to use toy.optargs[]. Rob Landley <rob@landley.net> parents: 93 diff changeset	101
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	102 which = toy_find(argv[0]);
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	103 if (!which) return;
3 266a462ed18c Next drop of toysh, plus more infratructure. landley@driftwood parents: 2 diff changeset	104 toy_init(which, argv);
186 25447caf1b4b Change command main() functions to return void, and exit(toys.exitval) from Rob Landley <rob@landley.net> parents: 182 diff changeset	105 toys.which->toy_main();
25447caf1b4b Change command main() functions to return void, and exit(toys.exitval) from Rob Landley <rob@landley.net> parents: 182 diff changeset	106 exit(toys.exitval);
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	107 }
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	108
402 2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	109 // Multiplexer command, first argument is command to run, rest are args to that.
2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	110 // If first argument starts with - output list of command install paths.
2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	111
186 25447caf1b4b Change command main() functions to return void, and exit(toys.exitval) from Rob Landley <rob@landley.net> parents: 182 diff changeset	112 void toybox_main(void)
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	113 {
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	114 static char *toy_paths[]={"usr/","bin/","sbin/",0};
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	115 int i, len = 0;
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	116
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	117 if (toys.argv[1]) {
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	118 if (toys.argv[1][0]!='-') {
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	119 toy_exec(toys.argv+1);
241 4121825716b8 Fix crash when running unknown command via symlink. Rob Landley <rob@landley.net> parents: 237 diff changeset	120 toys.which = toy_list;
182 ed26d3529575 Patch from Charlie Shepherd: remove extra \n from error_exit() arguments. Rob Landley <rob@landley.net> parents: 156 diff changeset	121 error_exit("Unknown command %s",toys.argv[1]);
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	122 }
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	123 }
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	124
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	125 // Output list of applets.
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	126 for (i=1; i<TOY_LIST_LEN; i++) {
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	127 int fl = toy_list[i].flags;
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	128 if (fl & TOYMASK_LOCATION) {
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	129 if (toys.argv[1]) {
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	130 int j;
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	131 for (j=0; toy_paths[j]; j++)
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	132 if (fl & (1<<j)) len += printf("%s", toy_paths[j]);
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	133 }
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	134 len += printf("%s ",toy_list[i].name);
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	135 if (len>65) {
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	136 putchar('\n');
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	137 len=0;
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	138 }
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	139 }
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	140 }
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	141 putchar('\n');
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	142 }
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	143
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	144 int main(int argc, char *argv[])
e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	145 {
65 329e2b37d0e1 Save 4 bytes of stack space. Rob Landley <rob@landley.net> parents: 53 diff changeset	146 // Artificial scope to eat less stack for things we call
329e2b37d0e1 Save 4 bytes of stack space. Rob Landley <rob@landley.net> parents: 53 diff changeset	147 {
329e2b37d0e1 Save 4 bytes of stack space. Rob Landley <rob@landley.net> parents: 53 diff changeset	148 char *name;
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	149
402 2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	150 // Trim path off of command name
441 fdb05e02b485 Switch from deprecated function to gratuitously renamed identical non-depricated function. shrug Rob Landley <rob@landley.net> parents: 402 diff changeset	151 name = strrchr(argv[0], '/');
65 329e2b37d0e1 Save 4 bytes of stack space. Rob Landley <rob@landley.net> parents: 53 diff changeset	152 if (!name) name=argv[0];
329e2b37d0e1 Save 4 bytes of stack space. Rob Landley <rob@landley.net> parents: 53 diff changeset	153 else name++;
329e2b37d0e1 Save 4 bytes of stack space. Rob Landley <rob@landley.net> parents: 53 diff changeset	154 argv[0] = name;
329e2b37d0e1 Save 4 bytes of stack space. Rob Landley <rob@landley.net> parents: 53 diff changeset	155 }
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	156
402 2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	157 // Call the multiplexer, adjusting this argv[] to be its' argv[1].
2551e517b800 Expand comments. Rob Landley <rob@landley.net> parents: 373 diff changeset	158 // (It will adjust it back before calling toy_exec().)
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: 1 diff changeset	159 toys.argv = argv-1;
186 25447caf1b4b Change command main() functions to return void, and exit(toys.exitval) from Rob Landley <rob@landley.net> parents: 182 diff changeset	160 toybox_main();
25447caf1b4b Change command main() functions to return void, and exit(toys.exitval) from Rob Landley <rob@landley.net> parents: 182 diff changeset	161 return 0;
0 e651a31d5416 Starting a new project. Just a bit past the "hello world" stage... landley@driftwood parents: diff changeset	162 }

Mercurial > hg > toybox

annotate main.c @ 522:33ce0407ea47