Mercurial > hg > toybox

annotate toys/other/printenv.c @ 1539:3e85af1f7e22 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
First batch of sed tests. Only good for TEST_HOST=1 at the moment because the test infrastructure itself depends on sed, so if an unfinished sed is in the $PATH it goes boing. But hey, corner cases! I have... more.
author Rob Landley <rob@landley.net>
date Wed, 29 Oct 2014 18:44:33 -0500
parents 786841fdb1e0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
1 /* printenv.c - Print environment variables.
517
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
2 *
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
3 * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org>
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
4
518
e0eed40f4ab1 Add longopt, refactor so only one instance of each loop, requre = as part of match, update exit code.
Rob Landley <rob@landley.net>
parents: 517
diff changeset
5 USE_PRINTENV(NEWTOY(printenv, "0(null)", TOYFLAG_USR|TOYFLAG_BIN))
517
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
6
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
7 config PRINTENV
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
8 bool "printenv"
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
9 default y
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
10 help
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
11 usage: printenv [-0] [env_var...]
517
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
12
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
13 Print environment variables.
518
e0eed40f4ab1 Add longopt, refactor so only one instance of each loop, requre = as part of match, update exit code.
Rob Landley <rob@landley.net>
parents: 517
diff changeset
14
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
15 -0 Use \0 as delimiter instead of \n
517
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
16 */
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
17
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
18 #include "toys.h"
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
19
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
20 extern char **environ;
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
21
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
22 void printenv_main(void)
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
23 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
24 char **env, **var = toys.optargs;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
25 char delim = '\n';
517
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
26
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
27 if (toys.optflags) delim = 0;
518
e0eed40f4ab1 Add longopt, refactor so only one instance of each loop, requre = as part of match, update exit code.
Rob Landley <rob@landley.net>
parents: 517
diff changeset
28
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
29 do {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
30 int catch = 0, len = *var ? strlen(*var) : 0;
517
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
31
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
32 for (env = environ; *env; env++) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
33 char *out = *env;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
34 if (*var) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
35 if (!strncmp(out, *var, len) && out[len] == '=') out += len +1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
36 else continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
37 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
38 xprintf("%s%c", out, delim);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
39 catch++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
40 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
41 if (*var && !catch) toys.exitval = 1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 656
diff changeset
42 } while (*var && *(++var));
517
a191ea9bc5df Implement printenv command.
Georgi Chorbadzhiyski <georgi@unixsol.org>
parents:
diff changeset
43 }