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/* LibMemcached
* Copyright (C) 2006-2009 Brian Aker
* All rights reserved.
*
* Use and distribution licensed under the BSD license. See
* the COPYING file in the parent directory for full text.
*
* Summary:
*
*/
#include "config.h"
#include <cerrno>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <climits>
#include <getopt.h>
#include <iostream>
#include <unistd.h>
#include <libmemcached/memcached.h>
#include "utilities.h"
#define PROGRAM_NAME "memerror"
#define PROGRAM_DESCRIPTION "Translate a memcached errror code into a string."
/* Prototypes */
void options_parse(int argc, char *argv[]);
int main(int argc, char *argv[])
{
options_parse(argc, argv);
if (argc < 2)
{
return EXIT_FAILURE;
}
while (optind < argc)
{
errno= 0;
char *nptr;
unsigned long value= strtoul(argv[optind], &nptr, 10);
if ((nptr == argv[optind] and value == 0) or
(value == ULONG_MAX and errno == ERANGE) or
(value == 0 and errno == EINVAL))
{
std::cerr << "strtoul() was unable to parse given value" << std::endl;
return EXIT_FAILURE;
}
if (value < MEMCACHED_MAXIMUM_RETURN)
{
std::cout << memcached_strerror(NULL, (memcached_return_t)value) << std::endl;
}
else
{
std::cerr << memcached_strerror(NULL, MEMCACHED_MAXIMUM_RETURN) << std::endl;
return EXIT_FAILURE;
}
optind++;
}
return EXIT_SUCCESS;
}
void options_parse(int argc, char *argv[])
{
static struct option long_options[]=
{
{(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
{(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
{0, 0, 0, 0},
};
bool opt_version= false;
bool opt_help= false;
int option_index= 0;
while (1)
{
int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
if (option_rv == -1)
{
break;
}
switch (option_rv)
{
case 0:
break;
case OPT_VERSION: /* --version or -V */
opt_version= true;
break;
case OPT_HELP: /* --help or -h */
opt_help= true;
break;
case '?':
/* getopt_long already printed an error message. */
exit(EXIT_FAILURE);
default:
exit(EXIT_FAILURE);
}
}
if (opt_version)
{
version_command(PROGRAM_NAME);
exit(EXIT_SUCCESS);
}
if (opt_help)
{
help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, NULL);
exit(EXIT_SUCCESS);
}
}
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