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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
46 lines
1.5 KiB
C
46 lines
1.5 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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#ifndef rfc2429_h
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#define rfc2429_h
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#define MAKE_MASK(bits) ( (1<<(bits)) -1 )
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static inline unsigned int rfc2429_get_P(const char *header){
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return (header[0]>>2) & 0x1;
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}
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static inline unsigned int rfc2429_get_V(const char *header){
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return (header[0]>>1) & 0x1;
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}
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static inline unsigned int rfc2429_get_PLEN(const char *header){
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unsigned short *p=(unsigned short*)header;
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return (ntohs(p[0])>>3) & MAKE_MASK(6);
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}
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static inline unsigned int rfc2429_get_PEBIT(const char *header){
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unsigned short *p=(unsigned short*)header;
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return ntohs(p[0]) & MAKE_MASK(3);
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}
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#endif
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