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Annotation of embedaddon/ntp/lib/isc/bufferlist.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
        !             3:  * Copyright (C) 1999-2001  Internet Software Consortium.
        !             4:  *
        !             5:  * Permission to use, copy, modify, and/or distribute this software for any
        !             6:  * purpose with or without fee is hereby granted, provided that the above
        !             7:  * copyright notice and this permission notice appear in all copies.
        !             8:  *
        !             9:  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
        !            10:  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
        !            11:  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
        !            12:  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
        !            13:  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
        !            14:  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
        !            15:  * PERFORMANCE OF THIS SOFTWARE.
        !            16:  */
        !            17: 
        !            18: /* $Id: bufferlist.c,v 1.17 2007/06/19 23:47:17 tbox Exp $ */
        !            19: 
        !            20: /*! \file */
        !            21: 
        !            22: #include <config.h>
        !            23: 
        !            24: #include <stddef.h>
        !            25: 
        !            26: #include <isc/buffer.h>
        !            27: #include <isc/bufferlist.h>
        !            28: #include <isc/util.h>
        !            29: 
        !            30: unsigned int
        !            31: isc_bufferlist_usedcount(isc_bufferlist_t *bl) {
        !            32:        isc_buffer_t *buffer;
        !            33:        unsigned int length;
        !            34: 
        !            35:        REQUIRE(bl != NULL);
        !            36: 
        !            37:        length = 0;
        !            38:        buffer = ISC_LIST_HEAD(*bl);
        !            39:        while (buffer != NULL) {
        !            40:                REQUIRE(ISC_BUFFER_VALID(buffer));
        !            41:                length += isc_buffer_usedlength(buffer);
        !            42:                buffer = ISC_LIST_NEXT(buffer, link);
        !            43:        }
        !            44: 
        !            45:        return (length);
        !            46: }
        !            47: 
        !            48: unsigned int
        !            49: isc_bufferlist_availablecount(isc_bufferlist_t *bl) {
        !            50:        isc_buffer_t *buffer;
        !            51:        unsigned int length;
        !            52: 
        !            53:        REQUIRE(bl != NULL);
        !            54: 
        !            55:        length = 0;
        !            56:        buffer = ISC_LIST_HEAD(*bl);
        !            57:        while (buffer != NULL) {
        !            58:                REQUIRE(ISC_BUFFER_VALID(buffer));
        !            59:                length += isc_buffer_availablelength(buffer);
        !            60:                buffer = ISC_LIST_NEXT(buffer, link);
        !            61:        }
        !            62: 
        !            63:        return (length);
        !            64: }