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Annotation of researchv9/libc/gen/uname.c, revision 1.1

1.1     ! root        1: /*
        !             2:  *     uname(s)
        !             3:  *     struct utsname *s;
        !             4:  *
        !             5:  *     tell something about which system version we're on
        !             6:  */
        !             7: 
        !             8: #include <sys/utsname.h>
        !             9: 
        !            10: #define WHOFILE "/etc/whoami"
        !            11: 
        !            12: int
        !            13: uname(s)
        !            14:        struct utsname *s;
        !            15: {
        !            16:        static struct utsname clear;
        !            17: 
        !            18:        register int fd, i;
        !            19: 
        !            20:        *s = clear;
        !            21: 
        !            22:        /* read the system identity */
        !            23:        fd = open (WHOFILE, 0);
        !            24:        if (fd < 0)
        !            25:                return -1;
        !            26:        read (fd, s->nodename, sizeof (s->nodename) - 1);
        !            27:        close(fd);
        !            28: 
        !            29:        /* find the trailing \n if any and make it \0 */
        !            30:        for (i = 0; i < sizeof (s->nodename); i++)
        !            31:                if (s->nodename[i] == '\n')
        !            32:                        s->nodename[i] = '\0';
        !            33:        
        !            34:        /* provide additional identifying information */
        !            35:        strcpy (s->sysname, s->nodename);
        !            36:        strcpy (s->release, "V8");
        !            37:        strcpy (s->version, "0");
        !            38: 
        !            39:        return 0;
        !            40: }

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