src/HttpBody.cc

   1 /*
   2  * $Id: HttpBody.cc,v 1.3 1998/02/21 18:46:32 rousskov Exp $
   3  *
   4  * DEBUG: section 56    HTTP Message Body
   5  * AUTHOR: Alex Rousskov
   6  *
   7  * SQUID Internet Object Cache  http://squid.nlanr.net/Squid/
   8  * --------------------------------------------------------
   9  *
  10  *  Squid is the result of efforts by numerous individuals from the
  11  *  Internet community.  Development is led by Duane Wessels of the
  12  *  National Laboratory for Applied Network Research and funded by
  13  *  the National Science Foundation.
  14  *
  15  *  This program is free software; you can redistribute it and/or modify
  16  *  it under the terms of the GNU General Public License as published by
  17  *  the Free Software Foundation; either version 2 of the License, or
  18  *  (at your option) any later version.
  19  *
  20  *  This program is distributed in the hope that it will be useful,
  21  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  *  GNU General Public License for more details.
  24  *
  25  *  You should have received a copy of the GNU General Public License
  26  *  along with this program; if not, write to the Free Software
  27  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  28  *
  29  */
  30
  31 #include "squid.h"
  32
  33
  34 /* local constants */
  35
  36 /* local routines */
  37
  38
  39 void
  40 httpBodyInit(HttpBody *body)
  41 {
  42     body->buf = NULL;
  43     body->size = 0;
  44     body->freefunc = NULL;
  45 }
  46
  47 void
  48 httpBodyClean(HttpBody *body)
  49 {
  50     assert(body);
  51     if (body->buf) {
  52         assert(body->freefunc);
  53         (*body->freefunc)(body->buf);
  54     }
  55     body->buf = NULL;
  56     body->size = 0;
  57 }
  58
  59 void
  60 httpBodySet(HttpBody *body, const char *buf, int size, FREE *freefunc)
  61 {
  62     assert(body);
  63     assert(!body->buf);
  64     assert(buf);
  65     assert(size);
  66     assert(buf[size-1] == '\0'); /* paranoid */
  67     if (!freefunc) { /* they want us to make our own copy */
  68         body->buf = xmalloc(size);
  69         xmemcpy(body->buf, buf, size);
  70         freefunc = &xfree;
  71     }
  72     body->freefunc = freefunc;
  73     body->size = size;
  74 }
  75
  76 void
  77 httpBodyPackInto(const HttpBody *body, Packer *p)
  78 {
  79     assert(body && p);
  80     /* assume it was a 0-terminating buffer */
  81     if (body->size)
  82         packerAppend(p, body->buf, body->size-1);
  83 }
  84
  85 const char *
  86 httpBodyPtr(const HttpBody *body)
  87 {
  88     return body->buf ? body->buf : "";
  89 }