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/*
* FILE: uname.c
* AUTHOR: kma
* DESCR: uname. whee!
*/
#include <stdio.h>
#include <sys/utsname.h>
char *TAS =
"weenix brought to you by:\n"
"1998: jal, dep, kma, mcc, cd, tor\n"
"1999: mbe, tc, kma, mahrens, tor\n"
"2000: ahl, mahrens, mba, pdemoreu, it\n"
"2001: pgriess, pdemoreu, gc3, rmanches, dg\n"
"2002: kit, eschrock\n"
"2005: afenn\n"
"2006: afenn\n"
"2007: dap, joel\n"
"and the number 0xe\n";
static int doflag(int c);
static struct utsname un;
int main(int argc, char **argv)
{
int ii;
uname(&un);
for (ii = 1; ii < argc; ii++)
{
if (argv[ii][0] == '-')
{
char *str;
str = &argv[ii][1];
while (*str)
{
if (doflag(*str++) < 0)
{
goto usage;
}
}
}
}
if (argc == 1)
{
doflag('s');
}
fprintf(stdout, "\n");
return 0;
usage:
return 1;
}
static int doflag(int c)
{
switch (c)
{
case 'a':
printf("%s", TAS);
printf("%s ", un.sysname);
printf("%s ", un.nodename);
printf("%s ", un.release);
printf("%s ", un.version);
printf("%s ", un.machine);
break;
case 's':
printf("%s", un.sysname);
break;
case 'n':
printf("%s", un.nodename);
break;
case 'r':
printf("%s", un.release);
break;
case 'T':
printf("%s", TAS);
break;
case 'v':
printf("%s", un.version);
break;
case 'm':
printf("%s", un.machine);
break;
default:
return -1;
}
return 0;
}
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