FM / util

/usr/lib/x86_64-linux-gnu/openmpi/include/openmpi/opal/util/

/usr/lib/x86_64-linux-gnu/openmpi/include/openmpi/opal/util

Name	Size	Mode	Actions
alfg.h	832	0644	edit dl rm
arch.h	8671	0644	edit dl rm
argv.h	11164	0644	edit dl rm
basename.h	3090	0644	edit dl rm
bipartite_graph.h	5465	0644	edit dl rm
bipartite_graph_internal.h	4366	0644	edit dl rm
bit_ops.h	4398	0644	edit dl rm
cmd_line.h	24579	0644	edit dl rm
crc.h	4576	0644	edit dl rm
daemon_init.h	1633	0644	edit dl rm
error.h	3556	0644	edit dl rm
ethtool.h	417	0644	edit dl rm
fd.h	2911	0644	edit dl rm
few.h	2256	0644	edit dl rm
if.h	7118	0644	edit dl rm
info.h	11251	0644	edit dl rm
info_subscriber.h	2888	0644	edit dl rm
keyval_parse.h	1955	0644	edit dl rm
malloc.h	4780	0644	edit dl rm
net.h	4678	0644	edit dl rm
numtostr.h	1443	0644	edit dl rm
opal_environ.h	4943	0644	edit dl rm
opal_getcwd.h	1326	0644	edit dl rm
opal_pty.h	1382	0644	edit dl rm
os_dirpath.h	4870	0644	edit dl rm
os_path.h	3292	0644	edit dl rm
output.h	21558	0644	edit dl rm
path.h	5543	0644	edit dl rm
printf.h	4706	0644	edit dl rm
proc.h	6534	0644	edit dl rm
qsort.h	1084	0644	edit dl rm
show_help.h	7399	0644	edit dl rm
show_help_lex.h	1686	0644	edit dl rm
stacktrace.h	1876	0644	edit dl rm
strncpy.h	1193	0644	edit dl rm
sys_limits.h	1723	0644	edit dl rm
timings.h	12912	0644	edit dl rm
uri.h	3093	0644	edit dl rm

Edit: /usr/lib/x86_64-linux-gnu/openmpi/include/openmpi/opal/util/show_help.h (7399B)

/*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2006 The University of Tennessee and The University
 *                         of Tennessee Research Foundation.  All rights
 *                         reserved.
 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
 *                         University of Stuttgart.  All rights reserved.
 * Copyright (c) 2004-2005 The Regents of the University of California.
 *                         All rights reserved.
 * Copyright (c) 2008-2011 Cisco Systems, Inc.  All rights reserved.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */
/**
 * @file
 *
 * The "show help" subsystem (SHS) in Open MPI is intended to help the
 * developer convey meaningful information to the user (read longer
 * than is convenient in a single printf), particularly when errors
 * occur.  The SHS allows the storage of arbitrary-length help
 * messages in text files which can be parameterized by text filename,
 * message name, POSIX locale, and printf()-style parameters (e.g.,
 * "%s", "%d", etc.).  Note that the primary purpose of the SHS is to
 * display help messages, but it can actually be used to display any
 * arbitrary text messages.
 *
 * The function opal_show_help() is used to find a help message and
 * display it.  Its important parameters are a filename, message name,
 * and printf()-style varargs parameters used to substitute into the
 * message.
 *
 * It was originally intended that this system would support a very
 * simple version of i18n-like support, but we got (strong) feedback
 * that i18n support was not desired.  So it never happened.
 *
 * As such, the file lookup is quite straightforward -- the caller
 * passes in the filename to find the help message, and the SHS looks
 * for that file in $pkgdatadir (typically $prefix/share/openmpi).
 *
 * Once the file is successfully opened, the SHS looks for the
 * appropriate help message to display.  It looks for the message name
 * in the file, reads in the message, and displays it.  printf()-like
 * substitutions are performed (e.g., %d, %s, etc.) --
 * opal_show_help() takes a variable legnth argument list that are
 * used for these substitutions.
 *
 * The format of the help file is simplistic:
 *
 * - Comments begin with #.  Any characters after a # on a line are
 *   ignored.  It is not possible to escape a #.
 * - Message names are on a line by themselves and marked with [].
 *   Names can be any ASCII string within the [] (excluding the
 *   characters newline, linefeed, [, ], and #).
 * - Messages are any characters between message names and/or the end
 *   of the file.
 *
 * Here's a sample helpfile:
 *
 * \verbatimbegin
 * # This is a comment.
 * [topic 1]
 * Here's the first message.  Let's substitute in an integer: %d.
 * The quick brown fox jumped over the lazy %s.
 * # This is another comment -- it's not displayed in the first message.
 * [another:topic:foo:foo:foo]
 * This is the second message.  Let's just keep rolling along to get
 * to the second line in the message for this example.
 * \verbatimend
 *
 * It is expected that help messages will be grouped by filename;
 * similar messages should be in a single file.  For example, an MCA
 * component may install its own helpfile in Open MPI's $pkgdatadir,
 * and therefore the component can invoke opal_show_help() to display
 * its own help messages.
 *
 * Message files in $pkgdatadir have a naming convention: they
 * generally start with the prefix "help-" and are followed by a name
 * descriptive of what kind of messages they contain.  MCA components
 * should generally abide by the MCA prefix rule, with the exception
 * that they should start the filename with "help-", as mentioned
 * previously.
 */

#ifndef OPAL_SHOW_HELP_H
#define OPAL_SHOW_HELP_H

#include "opal_config.h"

#include <stdarg.h>

BEGIN_C_DECLS

/**
 * \internal
 *
 * Initialization of show_help subsystem
 */
OPAL_DECLSPEC int opal_show_help_init(void);

/**
 * \internal
 *
 * Finalization of show_help subsystem
 */
OPAL_DECLSPEC int opal_show_help_finalize(void);

/**
 * Look up a text message in a text file and display it to the
 * stderr using printf()-like substitutions (%d, %s, etc.).
 *
 * @param filename File where the text messages are contained.
 * @param topic String index of which message to display from the
 * text file.
 * @param want_error_header Display error-bar line header and
 * footer with the message.
 * @param varargs Any additional parameters are substituted,
 * printf()-style into the help message that is displayed.
 *
 * This function looks for the filename in the $pkgdatadir
 * (typically $prefix/share/openmpi), and looks up the message
 * based on the topic, and displays it.  If want_error_header is
 * true, a header and footer of asterisks are also displayed.
 *
 * NOTE: Since this is a varargs function, the last known parameter
 * can't undergo a default promotion (e.g., from bool to int), because
 * that is undefined behavior.  Hence, the type of "want_error_header"
 * is int.
 */
typedef int (*opal_show_help_fn_t)(const char *filename, const char *topic,
                                   int want_error_header, ...);
OPAL_DECLSPEC extern opal_show_help_fn_t opal_show_help;

/**
 * This function does the same thing as opal_show_help(), but accepts
 * a va_list form of varargs.
 */
typedef int (*opal_show_vhelp_fn_t)(const char *filename, const char *topic,
                                    bool want_error_header, va_list ap);
OPAL_DECLSPEC extern opal_show_vhelp_fn_t opal_show_vhelp;

/**
 * This function does the same thing as opal_show_help(), but returns
 * its output in a string (that must be freed by the caller).
 *
 * NOTE: Since this is a varargs function, the last known parameter
 * can't undergo a default promotion (e.g., from bool to int), because
 * that is undefined behavior.  Hence, the type of "want_error_header"
 * is int.
 */
OPAL_DECLSPEC char* opal_show_help_string(const char *filename,
                                          const char *topic,
                                          int want_error_header, ...);

/**
 * This function does the same thing as opal_show_help_string(), but
 * accepts a va_list form of varargs.
 */
OPAL_DECLSPEC char* opal_show_help_vstring(const char *filename,
                                          const char *topic,
                                          bool want_error_header, va_list ap);

/**
 * This function adds another search location for the files that
 * back show_help messages. Locations will be searched starting
 * with the prefix installation directory, then cycled through
 * any additional directories in the order they were added
 *
 * This interface allows libraries that use OMPI to take advantage
 * of the show_help functionality. OMPI defines the show_help directory
 * based on where OMPI was installed. However, if the library wants to
 * use show_help to provide error output specific to itself, then it
 * nees to tell show_help how to find its own show_help files - without
 * interfering with the linked ORTE libs when they need to do show_help.
 */
OPAL_DECLSPEC int opal_show_help_add_dir(const char *directory);

END_C_DECLS

#endif

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