Return to callsource.c CVS log

Up to [Research Unix] / researchv10no / netfs / libnetb

Annotation of researchv10no/netfs/libnetb/callsource.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * figure out who called us
        !             3:  * research version:
        !             4:  * network services have a known environment
        !             5:  * either
        !             6:  *     CSOURCE="source=callingmachine ..."     (new service manager)
        !             7:  * or
        !             8:  *     CSOURCE="callingmachine"        (old manager, and some imitations)
        !             9:  * or
        !            10:  *     DKSOURCE="callingmachine.userid"        (very old manager)
        !            11:  *
        !            12:  * it may be pointless to support them all in one place
        !            13:  */
        !            14: 
        !            15: extern char *getenv();
        !            16: extern char *strchr(), *strrchr();
        !            17: 
        !            18: #define        NULL    0
        !            19: 
        !            20: char *
        !            21: _rfcallsource()
        !            22: {
        !            23:        char *v;
        !            24:        register char *p;
        !            25: 
        !            26:        if ((v = getenv("CSOURCE")) != NULL) {
        !            27:                if (strncmp("source=", v, 7) == 0) {    /* new style */
        !            28:                        v += 7;
        !            29:                        if ((p = strchr(v, ' ')) != NULL)
        !            30:                                *p = 0;
        !            31:                        return (v);
        !            32:                }
        !            33:                /* old style */
        !            34:                if ((p = strrchr(v, '!')) != NULL)
        !            35:                        *p = 0;
        !            36:                return (v);
        !            37:        }
        !            38:        if ((v = getenv("DKSOURCE")) != NULL) {         /* even older style */
        !            39:                if ((p = strchr(v, '.')) != NULL)
        !            40:                        *p = 0;
        !            41:                return (v);
        !            42:        }
        !            43:        /* give up */
        !            44:        return (0);
        !            45: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.