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/* -*- c-file-style: "linux";indent-tabs-mode:t -*- */
/* Copyright (C) 2017 Jeremiah Orians
* This file is part of mescc-tools.
*
* mescc-tools is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* mescc-tools is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with mescc-tools. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/utsname.h>
int match(char* a, char* b);
#define TRUE 1
//CONSTANT TRUE 1
#define FALSE 0
//CONSTANT FALSE 0
/* Standard C main program */
int main(int argc, char **argv)
{
int exact = FALSE;
int override = FALSE;
char* override_string;
int option_index = 1;
struct utsname* unameData = calloc(1, sizeof(struct utsname));
uname(unameData);
while(option_index <= argc)
{
if(NULL == argv[option_index])
{
option_index = option_index + 1;
}
else if(match(argv[option_index], "--exact"))
{
exact = TRUE;
option_index = option_index + 1;
}
else if(match(argv[option_index], "--override"))
{
override = TRUE;
if((option_index + 1) < argc)
{
override_string = argv[option_index + 1];
option_index = option_index + 2;
}
else
{
fputs("--override requires an actual override string\n", stderr);
exit(EXIT_FAILURE);
}
}
else if(match(argv[option_index], "--os") || match(argv[option_index], "--OS"))
{
if(override) fputs(override_string, stdout);
else fputs(unameData->sysname, stdout);
fputc('\n', stdout);
exit(EXIT_SUCCESS);
}
else if(match(argv[option_index], "--blood"))
{
if(override) fputs(override_string, stdout);
else if(match("aarch64", unameData->machine)
|| match("amd64", unameData->machine)
|| match("ppc64le", unameData->machine)
|| match("riscv64", unameData->machine)
|| match("x86_64", unameData->machine)) fputs("--64", stdout);
fputc('\n', stdout);
exit(EXIT_SUCCESS);
}
else if(match(argv[option_index], "--endian"))
{
if(override) fputs(override_string, stdout);
else if(match("aarch64", unameData->machine)
|| match("amd64", unameData->machine)
|| match("ppc64le", unameData->machine)
|| match("riscv64", unameData->machine)
|| match("x86_64", unameData->machine)
|| match("i386", unameData->machine)
|| match("i486", unameData->machine)
|| match("i586", unameData->machine)
|| match("i686", unameData->machine)
|| match("i686-pae", unameData->machine))fputs("--little-endian", stdout);
else fputs("--big-endian", stdout);
fputc('\n', stdout);
exit(EXIT_SUCCESS);
}
else if(match(argv[option_index], "--hex2"))
{
if(override) fputs(override_string, stdout);
else if(match("aarch64", unameData->machine)) fputs("0x400000", stdout);
else if(match("armv7l", unameData->machine)) fputs("0x10000", stdout);
else if(match("amd64", unameData->machine)
|| match("x86_64", unameData->machine)) fputs("0x600000", stdout);
else if(match("ppc64le", unameData->machine)) fputs("0x10000", stdout);
else if(match("riscv64", unameData->machine)) fputs("0x600000", stdout);
else if(match("i386", unameData->machine)
|| match("i486", unameData->machine)
|| match("i586", unameData->machine)
|| match("i686", unameData->machine)
|| match("i686-pae", unameData->machine)) fputs("0x08048000", stdout);
else fputs("0x0", stdout);
fputc('\n', stdout);
exit(EXIT_SUCCESS);
}
else if(match(argv[option_index], "-V") || match(argv[option_index], "--version"))
{
fputs("get_machine 1.5.0\n", stdout);
exit(EXIT_SUCCESS);
}
else if(match(argv[option_index], "-h") || match(argv[option_index], "--help"))
{
fputs("If you want exact architecture use --exact\n", stderr);
fputs("If you want to know the Operating system use --os\n", stderr);
fputs("If you wish to override the output to anything you want use --override\n", stderr);
exit(EXIT_SUCCESS);
}
else
{
fputs("Unknown option\n", stderr);
exit(EXIT_FAILURE);
}
}
if(override) fputs(override_string, stdout);
else if(!exact)
{
if(match("i386", unameData->machine) ||
match("i486", unameData->machine) ||
match("i586", unameData->machine) ||
match("i686", unameData->machine) ||
match("i686-pae", unameData->machine)) fputs("x86", stdout);
else if(match("x86_64", unameData->machine)) fputs("amd64", stdout);
else fputs(unameData->machine, stdout);
}
else fputs(unameData->machine, stdout);
fputs("\n", stdout);
return EXIT_SUCCESS;
}
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