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Annotation of researchv10no/cmd/upas/libc/v9sysname.c, revision 1.1.1.1

1.1       root        1: /* get the system's name -- v10 version*/
                      2: 
                      3: #define WHOFILE "/etc/whoami"
                      4: 
                      5: extern char *
                      6: sysname_read()
                      7: {
                      8:        register int fd, i, n;
                      9:        static char sysname[128];
                     10: 
                     11:        /* read the system identity */
                     12:        fd = open(WHOFILE, 0);
                     13:        if (fd < 0)
                     14:                return "kremvax";
                     15:        n = read(fd, sysname, sizeof(sysname)-1);
                     16:        close(fd);
                     17:        if (n < 0)
                     18:                return "kremvax";
                     19: 
                     20:        sysname[n] = '\0';
                     21: 
                     22:        /* find the trailing \n if any and make it \0 */
                     23:        for (i = 0; i < n; i++)
                     24:                if (sysname[i] == '\n')
                     25:                        sysname[i] = '\0';
                     26: 
                     27:        return sysname;
                     28: }

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