diff options
author | Jim Meyering <jim@meyering.net> | 2004-01-22 20:44:15 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 2004-01-22 20:44:15 +0000 |
commit | 57a460665c96d702f9133ee83d258b6f6f29fcf6 (patch) | |
tree | e132505dfd995e8edf083069fc7acea559e8f3c7 /src | |
parent | bdb46518eecbe0ba40f4a548463c73dee76526ed (diff) | |
download | coreutils-57a460665c96d702f9133ee83d258b6f6f29fcf6.tar.xz |
(usage): Use EXIT_SUCCESS, not 0, for clarity.
(main): Use initialize_exit_failure rather than setting
exit_failure directly; this optimizes away redundant assignments.
(PRINTENV_FAILURE): New constant.
(main): Exit with status PRINTENV_FAILURE, not EXIT_FAILURE, on
command-line syntax problems.
Diffstat (limited to 'src')
-rw-r--r-- | src/printenv.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/printenv.c b/src/printenv.c index a956d250d..2545d46ff 100644 --- a/src/printenv.c +++ b/src/printenv.c @@ -1,5 +1,5 @@ /* printenv -- print all or part of environment - Copyright (C) 1989-1997, 1999-2003 Free Software Foundation, Inc. + Copyright (C) 1989-1997, 1999-2004 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -24,6 +24,7 @@ Exit status: 0 if all variables specified were found 1 if not + 2 if some other error occurred David MacKenzie and Richard Mlynarik */ @@ -34,9 +35,11 @@ #include "system.h" #include "error.h" -#include "exitfail.h" #include "long-options.h" +/* Exit status for syntax errors, etc. */ +enum { PRINTENV_FAILURE = 2 }; + /* The official name of this program (e.g., no `g' prefix). */ #define PROGRAM_NAME "printenv" @@ -55,7 +58,7 @@ extern char **environ; void usage (int status) { - if (status != 0) + if (status != EXIT_SUCCESS) fprintf (stderr, _("Try `%s --help' for more information.\n"), program_name); else @@ -90,7 +93,7 @@ main (int argc, char **argv) bindtextdomain (PACKAGE, LOCALEDIR); textdomain (PACKAGE); - exit_failure = 2; + initialize_exit_failure (PRINTENV_FAILURE); atexit (close_stdout); parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION, @@ -104,7 +107,7 @@ main (int argc, char **argv) break; default: - usage (EXIT_FAILURE); + usage (PRINTENV_FAILURE); } } @@ -112,7 +115,7 @@ main (int argc, char **argv) { for (env = environ; *env != NULL; ++env) puts (*env); - exit_status = 0; + exit_status = EXIT_SUCCESS; } else { |