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Annotation of researchv10no/cmd/nupas/ipc/s5uts_err.c, revision 1.1.1.1

1.1       root        1: /* needed for unresolved references (see ../mbox)
                      2:        from res_err.c & ultrix_err.c ..  wmb */
                      3: 
                      4: #include <stdio.h>
                      5: #include <errno.h>
                      6: #include <sysexits.h>
                      7: #include <string.h>
                      8: 
                      9: /*
                     10:  * A known place to keep a copy of the system-supplied
                     11:  * error message.
                     12:  */
                     13: int syserrno;
                     14: char syserrstr[128];
                     15: 
                     16: /*
                     17:  * map the system error in syserrno into one of the
                     18:  * errors in sysexits.h
                     19:  */
                     20: int
                     21: ipcmaperror()
                     22: {
                     23:        switch (syserrno) {
                     24:        case ENOENT:    return EX_NOHOST;
                     25:        case EINTR:     return EX_TEMPFAIL;
                     26:        case EACCES:    return EX_UNAVAILABLE;
                     27:        case ENODEV:    return EX_TEMPFAIL;
                     28:        case EIO:       return EX_TEMPFAIL;
                     29: 
                     30:        default:        return EX_OSERR;
                     31:        }
                     32: }
                     33: 
                     34: 
                     35: extern char *sys_errlist[ ];
                     36: extern int sys_nerr;
                     37: 
                     38: extern int ipcdebug;
                     39: 
                     40: /*
                     41:  * Copy the actual OS-supplied errno and string in a known
                     42:  * place.
                     43:  */
                     44: ipcgetsyserr()
                     45: {
                     46:        syserrno = errno;
                     47:        if (ipcdebug)
                     48:                fprintf(stderr, "ipcgetsyserr: errno=%d\n", syserrno);
                     49:        if (errno < sys_nerr)
                     50:                strcpy(syserrstr, sys_errlist[errno]);
                     51:        else
                     52:                sprintf(syserrstr, "Unknown error number %d", errno);
                     53: }
                     54: 
                     55: /*
                     56:  * Dummy gethostname (hostname supplied at gateway)
                     57:  */
                     58: int
                     59: gethostname(hostname,namelen)
                     60: char *hostname;
                     61: int namelen;
                     62: {
                     63:        *hostname = '\0';
                     64:        return 0;
                     65: }

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