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uname(1) now behaves much more like its GNU coreutils counterpart.

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This commit is contained in:
Jonas 'Sortie' Termansen 2012-07-26 16:04:45 +02:00
parent 87c8120b95
commit ba07631aa2
1 changed files with 172 additions and 7 deletions
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179
utils/uname.cpp
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@ -1,6 +1,6 @@
/*******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011, 2012.
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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 the Free
@ -21,20 +21,185 @@
*******************************************************************************/
#include <sys/kernelinfo.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <error.h>
const unsigned long PRINT_KERNELNAME = 1UL << 0UL;
const unsigned long PRINT_NODENAME = 1UL << 1UL;
const unsigned long PRINT_KERNELREL = 1UL << 2UL;
const unsigned long PRINT_KERNELVER = 1UL << 3UL;
const unsigned long PRINT_MACHINE = 1UL << 4UL;
const unsigned long PRINT_PROCESSOR = 1UL << 5UL;
const unsigned long PRINT_HARDWARE = 1UL << 6UL;
const unsigned long PRINT_OPSYS = 1UL << 7UL;
const size_t INFOBUFSIZE = 256UL;
char infobuf[INFOBUFSIZE];
const char* GetProcessorArchitecture()
{
#if defined(__x86_64__)
return "x86_64";
#elif defined(__i386__)
return "i386";
#else
return "unknown";
#endif
}
const char* GetKernelName()
{
if ( kernelinfo("name", infobuf, INFOBUFSIZE) )
return "unknown";
return infobuf;
}
const char* GetNodeName()
{
return "sortix";
}
const char* GetKernelRelease()
{
if ( kernelinfo("version", infobuf, INFOBUFSIZE) )
return "unknown";
return infobuf;
}
const char* GetKernelVersion()
{
if ( kernelinfo("builddate", infobuf, INFOBUFSIZE) )
return "unknown";
return infobuf;
}
const char* GetMachine()
{
return GetProcessorArchitecture();
}
const char* GetProcessor()
{
return GetProcessorArchitecture();
}
const char* GetHardwarePlatform()
{
return GetProcessorArchitecture();
}
const char* GetOperatingSystem()
{
return GetKernelName();
}
bool has_printed = false;
void DoPrint(const char* msg)
{
if ( has_printed )
printf(" ");
printf("%s", msg);
has_printed = true;
}
void Usage(FILE* fp, const char* argv0)
{
fprintf(fp, "Usage: %s [OPTION]...\n");
fprintf(fp, "Print certain system information.\n");
}
void Help(FILE* fp, const char* argv0)
{
Usage(fp, argv0);
}
void Version(FILE* fp, const char* argv0)
{
Usage(fp, argv0);
}
int main(int argc, char* argv[])
{
size_t VERSIONSIZE = 256UL;
char version[VERSIONSIZE];
if ( kernelinfo("version", version, VERSIONSIZE) )
const char* argv0 = argv[0];
unsigned long flags = 0;
for ( int i = 1; i < argc; i++ )
{
error(1, errno, "kernelinfo(\"version\")");
const char* arg = argv[i];
if ( arg[0] != '-' )
{
fprintf(stderr, "%s: extra operand: %s\n", argv0, arg);
Usage(stderr, argv0);
exit(1);
}
if ( arg[1] != '-' )
for ( size_t i = 1; arg[i]; i++ )
switch ( arg[i] )
{
case 'a': flags |= LONG_MAX; break;
case 's': flags |= PRINT_KERNELNAME; break;
case 'n': flags |= PRINT_NODENAME; break;
case 'r': flags |= PRINT_KERNELREL; break;
case 'v': flags |= PRINT_KERNELVER; break;
case 'm': flags |= PRINT_MACHINE; break;
case 'p': flags |= PRINT_PROCESSOR; break;
case 'i': flags |= PRINT_HARDWARE; break;
case 'o': flags |= PRINT_OPSYS; break;
default:
fprintf(stderr, "%s: unknown option -- '%c'\n", argv0, arg[i]);
Usage(stderr, argv0);
exit(1);
}
else if ( !strcmp(arg, "--kernel-name") )
flags |= PRINT_KERNELNAME;
else if ( !strcmp(arg, "--nodename") )
flags |= PRINT_NODENAME;
else if ( !strcmp(arg, "--kernel-release") )
flags |= PRINT_KERNELREL;
else if ( !strcmp(arg, "--kernel-version") )
flags |= PRINT_KERNELVER;
else if ( !strcmp(arg, "--machine") )
flags |= PRINT_MACHINE;
else if ( !strcmp(arg, "--processor") )
flags |= PRINT_PROCESSOR;
else if ( !strcmp(arg, "--hardware-platform") )
flags |= PRINT_HARDWARE;
else if ( !strcmp(arg, "--operating-system") )
flags |= PRINT_OPSYS;
else if ( !strcmp(arg, "--help") ) { Help(stdout, argv0); exit(0); }
else if ( !strcmp(arg, "--usage") ) { Usage(stdout, argv0); exit(0); }
else if ( !strcmp(arg, "--version") ) { Version(stdout, argv0); exit(0); }
else
{
fprintf(stderr, "%s: unknown option: %s\n", argv0, arg);
Usage(stderr, argv0);
exit(1);
}
}
printf("Sortix %zu bit (%s)\n", sizeof(size_t) * 8UL, version);
if ( !flags )
flags = PRINT_KERNELNAME;
if ( flags & PRINT_KERNELNAME )
DoPrint(GetKernelName());
if ( flags & PRINT_NODENAME )
DoPrint(GetNodeName());
if ( flags & PRINT_KERNELREL )
DoPrint(GetKernelRelease());
if ( flags & PRINT_KERNELVER )
DoPrint(GetKernelVersion());
if ( flags & PRINT_MACHINE )
DoPrint(GetMachine());
if ( flags & PRINT_PROCESSOR )
DoPrint(GetProcessor());
if ( flags & PRINT_HARDWARE )
DoPrint(GetHardwarePlatform());
if ( flags & PRINT_OPSYS )
DoPrint(GetOperatingSystem());
printf("\n");
return 0;
}