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Annotation of libwww/Library/src/HTTee.c, revision 2.7

2.5       frystyk     1: /*                                                                      HTee.c
                      2: **     TEE CLASS STREAM DEFINITION
                      3: **
                      4: **     (c) COPYRIGHT CERN 1994.
                      5: **     Please first read the full copyright statement in the file COPYRIGH.
2.1       timbl       6: **
                      7: **     The Tee class just writes to two streams.  Easy.
                      8: **     See also the Black Hole stream which is even easier.
2.3       duns        9: **
                     10: ** HISTORY:
                     11: **      8 Jul 94  FM   Insulate free() from _free structure element.
                     12: **
2.1       timbl      13: */
                     14: 
2.7     ! frystyk    15: /* Library include files */
        !            16: #include "tcp.h"
        !            17: #include "HTUtils.h"
2.1       timbl      18: #include "HTTee.h"
                     19: 
                     20: /*             Stream Object
                     21: **             ------------
                     22: */
                     23: 
                     24: struct _HTStream {
                     25:        CONST HTStreamClass *   isa;
                     26:        
                     27:        HTStream *              s1;
                     28:        HTStream *              s2;
                     29: };
                     30: 
                     31: 
                     32: PRIVATE void HTTee_put_character ARGS2(HTStream *, me, char, c)
                     33: {
                     34:     (*me->s1->isa->put_character)(me->s1, c);
                     35:     (*me->s2->isa->put_character)(me->s2, c);
                     36: }
                     37: PRIVATE void HTTee_put_string ARGS2(HTStream *, me, CONST char*, s)
                     38: {
                     39:     (*me->s1->isa->put_string)(me->s1, s);
                     40:     (*me->s2->isa->put_string)(me->s2, s);
                     41: }
                     42: PRIVATE void HTTee_write ARGS3(HTStream *, me, CONST char*, s, int, l)
                     43: {
                     44:     (*me->s1->isa->put_block)(me->s1, s, l);
                     45:     (*me->s2->isa->put_block)(me->s2, s, l);
                     46: }
2.4       frystyk    47: PRIVATE int HTTee_free ARGS1(HTStream *, me)
2.1       timbl      48: {
2.3       duns       49:     (*me->s1->isa->_free)(me->s1);
                     50:     (*me->s2->isa->_free)(me->s2);
2.2       luotonen   51:     free(me);
2.4       frystyk    52:     return 0;
2.1       timbl      53: }
2.4       frystyk    54: PRIVATE int HTTee_abort ARGS2(HTStream *, me, HTError, e)
2.1       timbl      55: {
                     56:     (*me->s1->isa->abort)(me->s1, e);
                     57:     (*me->s2->isa->abort)(me->s2, e);
2.2       luotonen   58:     free(me);
2.4       frystyk    59:     return EOF;
2.1       timbl      60: }
                     61: 
                     62: 
                     63: /*     Tee stream
                     64: **     ----------
                     65: */
                     66: PRIVATE CONST HTStreamClass HTTeeClass =
                     67: {              
                     68:        "Tee",
                     69:        HTTee_free,
                     70:        HTTee_abort,
                     71:        HTTee_put_character,    HTTee_put_string,
                     72:        HTTee_write
                     73: }; 
                     74: 
                     75: 
                     76: /*     Tee creation
                     77: */
                     78: PUBLIC HTStream * HTTee ARGS2(HTStream *, s1,HTStream *, s2)
                     79: {
                     80:     HTStream * me = (HTStream*)malloc(sizeof(*me));
                     81:     if (!me) outofmem(__FILE__, "HTTee");
                     82:     me->isa = &HTTeeClass;
                     83:     me->s1 = s1;
                     84:     me->s2 = s2;
                     85:     return me;
                     86: }
                     87: 
                     88: