mirror of
https://gitlab.linphone.org/BC/public/linphone-iphone.git
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2b8200409c
git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@1 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/*
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The mediastreamer library aims at providing modular media processing and I/O
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for linphone, but also for any telephony application.
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Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "msbuffer.h"
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#include "msutils.h"
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#include <string.h>
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MSBuffer * ms_buffer_new(guint32 size)
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{
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MSBuffer *buf;
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buf=(MSBuffer*)g_malloc(sizeof(MSBuffer)+size);
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buf->ref_count=0;
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buf->size=size;
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ms_trace("ms_buffer_new: Allocating buffer of %i bytes.",size);
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/* allocate the data buffer: there is a lot of optmisation that can be done by using a pool of cached buffers*/
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buf->buffer=((char*)(buf))+sizeof(MSBuffer); /* to avoid to do two allocations,
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buffer info and buffer are contigous.*/
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buf->freefn=NULL;
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buf->freearg=NULL;
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return(buf);
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}
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MSBuffer *ms_buffer_new_with_buf(char *extbuf, int size,void (*freefn)(void *), void *freearg)
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{
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MSBuffer *buf;
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buf=(MSBuffer*)g_malloc(sizeof(MSBuffer));
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buf->ref_count=0;
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buf->size=size;
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buf->buffer=extbuf;
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buf->freefn=freefn;
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buf->freearg=freearg;
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return(buf);
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}
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void ms_buffer_destroy(MSBuffer *buf)
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{
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if (buf->freefn!=NULL) buf->freefn(buf->freearg);
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g_free(buf);
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}
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MSMessage *ms_message_alloc()
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{
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MSMessage *m=g_malloc(sizeof(MSMessage));
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memset(m,0,sizeof(MSMessage));
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return m;
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}
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MSMessage *ms_message_new(gint size)
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{
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MSMessage *m=ms_message_alloc();
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MSBuffer *buf=ms_buffer_new(size);
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ms_message_set_buf(m,buf);
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return m;
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}
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void ms_message_destroy(MSMessage *m)
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{
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/* the buffer is freed if its ref_count goes to zero */
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if (m->buffer!=NULL){
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m->buffer->ref_count--;
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if (m->buffer->ref_count==0) ms_buffer_destroy(m->buffer);
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}
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g_free(m);
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}
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MSMessage * ms_message_dup(MSMessage *m)
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{
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MSMessage *msg=ms_message_alloc();
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ms_message_set_buf(msg,m->buffer);
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return msg;
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}
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