1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Eclipse Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.eclipse.org/org/documents/epl-v10.html * 11* (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23/* 24 * Glenn Fowler 25 * AT&T Research 26 * 27 * record format interface 28 */ 29 30#ifndef _RECFMT_H 31#define _RECFMT_H 1 32 33#include <ast.h> 34 35typedef uint32_t Recfmt_t; 36 37#define REC_delimited 0 38#define REC_fixed 1 39#define REC_variable 2 40#define REC_method 14 41#define REC_none 15 42 43#define REC_M_path 0 44#define REC_M_data 1 45 46#define RECTYPE(f) (((f)>>28)&((1<<4)-1)) 47 48#define REC_D_TYPE(d) ((REC_delimited<<28)|((d)&((1<<8)-1))) 49#define REC_D_DELIMITER(f) ((f)&((1<<8)-1)) 50 51#define REC_F_TYPE(s) ((REC_fixed<<28)|((s)&((1<<28)-1))) 52#define REC_F_SIZE(f) ((f)&((1<<28)-1)) 53 54#define REC_U_TYPE(t,a) (((t)<<28)|((a)&((1<<28)-1))) 55#define REC_U_ATTRIBUTES(f) ((f)&~((1<<28)-1)) 56 57#define REC_V_TYPE(h,o,z,l,i) ((REC_variable<<28)|((h)<<23)|((o)<<19)|(((z)-1)<<18)|((l)<<17)|((i)<<16)) 58#define REC_V_RECORD(f,s) (((f)&(((1<<16)-1)<<16))|(s)) 59#define REC_V_HEADER(f) (((f)>>23)&((1<<5)-1)) 60#define REC_V_OFFSET(f) (((f)>>19)&((1<<4)-1)) 61#define REC_V_LENGTH(f) ((((f)>>18)&1)+1) 62#define REC_V_LITTLE(f) (((f)>>17)&1) 63#define REC_V_INCLUSIVE(f) (((f)>>16)&1) 64#define REC_V_SIZE(f) ((f)&((1<<16)-1)) 65#define REC_V_ATTRIBUTES(f) ((f)&~((1<<16)-1)) 66 67#define REC_M_TYPE(i) ((REC_method<<28)|(i)) 68#define REC_M_INDEX(f) ((f)&((1<<28)-1)) 69 70#define REC_N_TYPE() 0xffffffff 71 72#if _BLD_ast && defined(__EXPORT__) 73#define extern __EXPORT__ 74#endif 75 76extern char* fmtrec(Recfmt_t, int); 77extern Recfmt_t recfmt(const void*, size_t, off_t); 78extern Recfmt_t recstr(const char*, char**); 79extern ssize_t reclen(Recfmt_t, const void*, size_t); 80 81#undef extern 82 83#endif 84