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Usenet 1994 October
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usenetsourcesnewsgroupsinfomagicoctober1994disk2.iso
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unix
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volume24
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mkid2
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part01
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id.h
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C/C++ Source or Header
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1991-10-09
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2KB
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60 lines
/* Copyright (c) 1986, Greg McGary */
/* @(#)id.h 1.1 86/10/09 */
#define IDFILE "ID"
struct idhead {
char idh_magic[2]; /* magic number */
#define IDH_MAGIC "\311\304" /* magic-number ("ID" with hi bits) */
short idh_vers; /* id-file version number */
#define IDH_VERS 2 /* current version */
int idh_argc; /* # of args for mkid update */
int idh_pthc; /* # of paths for mkid update */
int idh_namc; /* # of identifiers */
int idh_vecc; /* # of bytes in a path vector entry */
int idh_bsiz; /* # of bytes in entry (bufsiz for lid) */
long idh_argo; /* file offset of args for mkid update */
long idh_namo; /* file offset of identifier names */
long idh_endo; /* file offset of EOF */
};
struct idarg {
struct idarg *ida_next;
char *ida_arg;
int ida_index;
char ida_flags;
#define IDA_ADJUST 0x01
#define IDA_SCAN 0x02
#define IDA_PATH 0x04
#define IDA_ARG 0x08
#define IDA_BLANK 0x10
};
struct idname {
char *idn_name;
char *idn_bitv;
char idn_flags;
#define IDN_SOLO 0x01 /* occurs only once */
#define IDN_NUMBER 0x02 /* is a number */
#define IDN_NAME 0x04 /* is a name */
#define IDN_STRING 0x08 /* is a string */
#define IDN_LITERAL 0x10 /* occurs as a literal (not string) */
#define IDN_NOISE 0x20 /* occurs very frequently */
};
/*
Extract the various logical fields of a name:
NAME: null-terminated ascii string
TAG: index of name within a sorted array of all names
SOLO: boolean indicating that this name occurs exactly once
*/
#define ID_PATHS(b) ((b)+strlen(b)+1)
#define ID_FLAGS(b) (*(b))
#define ID_STRING(b) ((b)+1)
#define NEW(type) ((type *)calloc(1, sizeof(type)))
#define GETARG(argc, argv) ((argc)--, *(argv)++)
#define UNGETARG(argc, argv) ((argc)++, *--(argv))