1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 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 35 typedef 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 76 extern char* fmtrec(Recfmt_t, int); 77 extern Recfmt_t recfmt(const void*, size_t, off_t); 78 extern Recfmt_t recstr(const char*, char**); 79 extern ssize_t reclen(Recfmt_t, const void*, size_t); 80 81 #undef extern 82 83 #endif 84