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Initial s390-tools-2.0.0 import

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This commit is based on the s390-tools-1.39.0 version.

Changes on top of s390-tools-1.39.0:

 - Add MIT license to all source files
 - Add LICENSE file
 - Transform REAMDE to README.md (markdown)
 - Add AUTHORS.md file
 - Add CONTRIBUTING.md file
 - Move changelog from README to CHANGELOG.md file

Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
This commit is contained in:
Michael Holzheu
2017-08-07 16:13:17 +02:00
commit b627b8d8e1
647 changed files with 168974 additions and 0 deletions
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libutil/util_prg.c
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/*
* util - Utility function library
*
* Print standard program messages
*
* Copyright IBM Corp. 2016, 2017
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#include <errno.h>
#include <stdio.h>
#include "lib/util_base.h"
#include "lib/util_prg.h"
#include "lib/zt_common.h"
/*
* Private data
*/
static struct util_prg_l {
const struct util_prg *prg;
/* Command used for parsing */
const char *command;
} l;
struct util_prg_l *util_prg_l = &l;
/**
* Set the current command for command line option processing
*
* @param[in] command The current command or NULL for no command
*/
void util_prg_set_command(const char *command)
{
l.command = command;
}
/**
* Print program usage information for the --help option
*/
void util_prg_print_help(void)
{
/* Print usage */
printf("Usage: %s", program_invocation_short_name);
if (l.prg->command_args)
printf(" %s", l.prg->command_args);
printf(" [OPTIONS]");
if (l.prg->args)
printf(" %s", l.prg->args);
/* Print usage description */
printf("\n\n");
util_print_indented(l.prg->desc, 0);
printf("\n");
}
/**
* Print program version information for the --version option
*/
void util_prg_print_version(void)
{
const struct util_prg_copyright *copyright;
printf("%s version %s\n", program_invocation_short_name,
RELEASE_STRING);
copyright = l.prg->copyright_vec;
while (copyright->owner) {
if (copyright->pub_first == copyright->pub_last)
printf("Copyright %s %d\n", copyright->owner,
copyright->pub_first);
else
printf("Copyright %s %d, %d\n", copyright->owner,
copyright->pub_first, copyright->pub_last);
copyright++;
}
}
/*
* Ask user to use the --help option
*/
void util_prg_print_parse_error(void)
{
if (l.command)
fprintf(stderr, "Try '%s %s --help' for more information.\n",
program_invocation_short_name, l.command);
else
fprintf(stderr, "Try '%s --help' for more information.\n",
program_invocation_short_name);
}
/**
* An option has been specified that is not supported
*
* @param[in] option Option string (short or long)
*/
void util_prg_print_invalid_option(const char *opt_name)
{
fprintf(stderr, "%s: Invalid option '%s'\n",
program_invocation_short_name, opt_name);
util_prg_print_parse_error();
}
/**
* A required argument for an option is missing
*
* @param[in] option Option string
*/
void util_prg_print_required_arg(const char *opt_name)
{
fprintf(stderr, "%s: Option '%s' requires an argument\n",
program_invocation_short_name, opt_name);
util_prg_print_parse_error();
}
/**
* A superfluous invalid positional argument has been specified
*
* @param[in] arg_name Name of the invalid argument
*/
void util_prg_print_arg_error(const char *arg_name)
{
fprintf(stderr, "%s: Invalid argument '%s'\n",
program_invocation_short_name, arg_name);
util_prg_print_parse_error();
}
/**
* Initialize the program module
*
* @param[in] prg Program description
*/
void util_prg_init(const struct util_prg *prg)
{
l.prg = prg;
}