diff options
Diffstat (limited to 'idfile.h')
| -rw-r--r-- | idfile.h | 74 |
1 files changed, 61 insertions, 13 deletions
@@ -1,4 +1,4 @@ -/* idfile.h -- defs for mkid database file header & interface to idfile.c +/* idfile.h -- decls for ID file header and constituent file names Copyright (C) 1986, 1995 Greg McGary This program is free software; you can redistribute it and/or modify @@ -21,6 +21,7 @@ #include <sys/types.h> #include <stdio.h> +#include "hash.h" #define IDFILE "ID" @@ -29,24 +30,71 @@ struct idhead unsigned char idh_magic[2]; #define IDH_MAGIC_0 ('I'|0x80) #define IDH_MAGIC_1 ('D'|0x80) - unsigned char idh_pad_1; unsigned char idh_version; #define IDH_VERSION 3 unsigned short idh_flags; -#define IDH_COUNTS 0x0001 /* occurrence counts are included with each token */ - unsigned long idh_args; /* total # of args for mkid update */ - unsigned long idh_paths; /* total # of file names for mkid update */ - unsigned long idh_tokens; /* total # of tokens */ - unsigned long idh_buf_size; /* # of bytes in longest entry (bufsiz for lid) */ - unsigned long idh_vec_size; /* # of hits in longest entry (max vector size for lid) */ - long idh_args_offset; /* file offset of args */ - long idh_tokens_offset; /* file offset of tokens section */ - long idh_end_offset; /* file offset beyond tokens section */ +#define IDH_COUNTS 0x0001 /* include occurrence counts for each token */ +#define IDH_FOLLOW_SL 0x0002 /* follow symlinks to directories */ +#define IDH_COMMENTS 0x0004 /* include tokens found in comments */ +#define IDH_LOCALS 0x0008 /* include names of formal params & local vars */ +#define IDH_DECL_DEFN_USE 0x0100 /* include decl/defn/use info */ +#define IDH_L_R_VALUE 0x0200 /* include lvalue/rvalue info */ +#define IDH_CALL_ER_EE 0x0400 /* include caller/callee relationship info */ + unsigned long idh_links; /* total # of file name components */ + unsigned long idh_files; /* total # of constituent source files */ + unsigned long idh_tokens; /* total # of constituent tokens */ + /* idh_*_size: max buffer-sizes for ID file reading programs */ + unsigned long idh_buf_size; /* # of bytes in longest entry */ + unsigned long idh_vec_size; /* # of hits in longest entry */ + unsigned long idh_path_size; /* # of bytes in longest file name path */ + /* idh_*_offset: ID file offsets for start of various sections */ + long idh_args_offset; /* command-line options section */ + long idh_files_offset; /* constituent file & directory names section */ + long idh_tokens_offset; /* constituent tokens section */ + long idh_end_offset; /* end of tokens section */ + /* */ + struct hash_table ia_link_table; /* all file and dir name name links */ + struct arg_file **ia_file_order; /* sequence in ID file */ + struct arg_file **ia_scan_order; /* sequence in summaries */ }; -struct idarg; +struct file_link +{ + struct file_link *fl_parent; + unsigned char fl_flags; +#define FL_IS_ARG 0x01 /* is an explicit command-line argument */ +#define FL_SYM_LINK 0x02 /* is a symlink (only used for dirs) */ +#define FL_TYPE_MASK 0x10 +# define FL_TYPE_DIR 0x00 +# define FL_TYPE_FILE 0x10 + char fl_name[1]; +}; + +struct arg_file +{ + struct file_link *af_name; + short af_old_index; /* order in extant ID file */ + short af_new_index; /* order in new ID file */ + short af_scan_index; /* order of scanning in summary */ +}; + +#if HAVE_LINK + +/* If the system supports filesystem links (e.g., any UN*X variant), + we should detect file name aliases. */ + +struct dev_ino +{ + dev_t di_dev; + ino_t di_ino; + struct file_link *di_file_link; +}; + +extern struct hash_table dev_ino_table; + +#endif -FILE *init_idfile __P((char const *id_file, struct idhead *idhp, struct idarg **id_args)); +FILE *init_id_file __P((char const *id_file, struct idhead *idh)); int read_idhead __P((FILE *input_FILE, struct idhead *idh)); int write_idhead __P((FILE *input_FILE, struct idhead *idh)); int sizeof_idhead __P((void)); |