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/* uname.c - return system name
*
* Copyright 2008 Rob Landley <rob@landley.net>
*
* See http://opengroup.org/onlinepubs/9699919799/utilities/uname.html
USE_UNAME(NEWTOY(uname, "oamvrns[+os]", TOYFLAG_BIN))
USE_ARCH(NEWTOY(arch, 0, TOYFLAG_USR|TOYFLAG_BIN))
config ARCH
bool "arch"
default y
help
usage: arch
Print machine (hardware) name, same as uname -m.
config UNAME
bool "uname"
default y
help
usage: uname [-asnrvm]
Print system information.
-s System name
-n Network (domain) name
-r Kernel Release number
-v Kernel Version
-m Machine (hardware) name
-a All of the above
*/
#define FOR_uname
#define FORCE_FLAGS
#include "toys.h"
// If a 32 bit x86 build environment working in a chroot under an x86-64
// kernel returns x86_64 for -m it confuses ./configure. Special case it.
#if defined(__i686__)
#define GROSS "i686"
#elif defined(__i586__)
#define GROSS "i586"
#elif defined(__i486__)
#define GROSS "i486"
#elif defined(__i386__)
#define GROSS "i386"
#endif
void uname_main(void)
{
int i, flags = toys.optflags, needspace=0;
struct utsname u;
uname(&u);
if (!flags) flags = FLAG_s;
for (i=0; i<5; i++) {
char *c = ((char *) &u)+(sizeof(u.sysname)*i);
if (flags & ((1<<i)|FLAG_a)) {
int len = strlen(c);
// This problem originates in autoconf, so of course the solution
// is horribly ugly.
#ifdef GROSS
if (i==4 && !strcmp(c,"x86_64")) {
printf(GROSS);
continue;
}
#endif
if (needspace++) {
// We can't decrement on the first entry, because
// needspace would be 0
*(--c)=' ';
len++;
}
xwrite(1, c, len);
}
}
putchar('\n');
}
void arch_main(void)
{
toys.optflags = FLAG_m;
uname_main();
}
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