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Annotation of researchv10no/cmd/nupas/ipc/res_err.c, revision 1.1

1.1     ! root        1: #include <stdio.h>
        !             2: #include <errno.h>
        !             3: #include <sysexits.h>
        !             4: #include <string.h>
        !             5: #include <ipc.h>
        !             6: 
        !             7: /*
        !             8:  * A known place to keep a copy of the system-supplied
        !             9:  * error message.
        !            10:  */
        !            11: int syserrno;
        !            12: char syserrstr[128];
        !            13: 
        !            14: int ipcdebug = 0;
        !            15: int ipcerrno = 0;
        !            16: 
        !            17: extern char *ipcpath();        /* make sure these are loaded in */
        !            18: extern int ipcopen();
        !            19: 
        !            20: 
        !            21: /*
        !            22:  * globals for ipc
        !            23:  */
        !            24: ipcperror(mess)
        !            25: char *mess;
        !            26: {
        !            27:        syserrno = errno;
        !            28:        strcpy(syserrstr, errstr);
        !            29:        ipcerrno = ipcmaperror();
        !            30:        fprintf(stderr, "%s: %s\n", mess, syserrstr);
        !            31: }
        !            32: 
        !            33: call()
        !            34: {
        !            35:        ipcpath();  ipcopen();
        !            36: }
        !            37: 
        !            38: /*
        !            39:  * map the system error in syserrno into one of the
        !            40:  * errors in sysexits.h
        !            41:  */
        !            42: int
        !            43: ipcmaperror()
        !            44: {
        !            45:        switch (syserrno) {
        !            46:        case ENOENT:    return EX_NOHOST;
        !            47:        case EINTR:     return EX_TEMPFAIL;
        !            48:        case EACCES:    return EX_UNAVAILABLE;
        !            49:        case ENODEV:    return EX_TEMPFAIL;
        !            50:        case EIO:       return EX_TEMPFAIL;
        !            51: 
        !            52:        default:        return EX_OSERR;
        !            53:        }
        !            54: }

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