annotate main.c @ 402:2551e517b800

Expand comments.
author Rob Landley <rob@landley.net>
date Sat, 14 Jan 2012 23:28:15 -0600
parents 5e68c7cab1a4
children fdb05e02b485
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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);
5e68c7cab1a4 Make toy_init() reentrant, or else xexec() has funky errors.
Rob Landley <rob@landley.net>
parents: 370
diff changeset
87 bzero(&toys, 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
65
329e2b37d0e1 Save 4 bytes of stack space.
Rob Landley <rob@landley.net>
parents: 53
diff changeset
151 name = rindex(argv[0], '/');
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 }