diff options
Diffstat (limited to 'contrib/dbase/dbf.h')
| -rw-r--r-- | contrib/dbase/dbf.h | 135 |
1 files changed, 69 insertions, 66 deletions
diff --git a/contrib/dbase/dbf.h b/contrib/dbase/dbf.h index a6e92517ead..b54093bacee 100644 --- a/contrib/dbase/dbf.h +++ b/contrib/dbase/dbf.h @@ -26,7 +26,7 @@ /* maximum fieldname-length */ -#define DBF_NAMELEN 11 +#define DBF_NAMELEN 11 /* magic-cookies for the file */ @@ -37,89 +37,93 @@ #define DBF_ERROR -1 #define DBF_VALID 0x20 -#define DBF_DELETED 0x2A +#define DBF_DELETED 0x2A /* diskheader */ -typedef struct { - u_char dbh_dbt; /* indentification field */ - u_char dbh_year; /* last modification-date */ - u_char dbh_month; - u_char dbh_day; - u_char dbh_records[4]; /* number of records */ - u_char dbh_hlen[2]; /* length of this header */ - u_char dbh_rlen[2]; /* length of a record */ - u_char dbh_stub[20]; /* misc stuff we don't need */ -} dbf_header; +typedef struct +{ + u_char dbh_dbt; /* indentification field */ + u_char dbh_year; /* last modification-date */ + u_char dbh_month; + u_char dbh_day; + u_char dbh_records[4]; /* number of records */ + u_char dbh_hlen[2]; /* length of this header */ + u_char dbh_rlen[2]; /* length of a record */ + u_char dbh_stub[20]; /* misc stuff we don't need */ +} dbf_header; /* disk field-description */ -typedef struct { - u_char dbf_name[DBF_NAMELEN]; /* field-name terminated with \0 */ - u_char dbf_type; /* field-type */ - u_char dbf_reserved[4]; /* some reserved stuff */ - u_char dbf_flen; /* field-length */ - u_char dbf_dec; /* number of decimal positions if - type is 'N' */ - u_char dbf_stub[14]; /* stuff we don't need */ -} dbf_field; +typedef struct +{ + u_char dbf_name[DBF_NAMELEN]; /* field-name terminated with \0 */ + u_char dbf_type; /* field-type */ + u_char dbf_reserved[4]; /* some reserved stuff */ + u_char dbf_flen; /* field-length */ + u_char dbf_dec; /* number of decimal positions if type is + * 'N' */ + u_char dbf_stub[14]; /* stuff we don't need */ +} dbf_field; /* memory field-description */ -typedef struct { - u_char db_name[DBF_NAMELEN]; /* field-name terminated with \0 */ - u_char db_type; /* field-type */ - u_char db_flen; /* field-length */ - u_char db_dec; /* number of decimal positions */ -} f_descr; +typedef struct +{ + u_char db_name[DBF_NAMELEN]; /* field-name terminated with \0 */ + u_char db_type; /* field-type */ + u_char db_flen; /* field-length */ + u_char db_dec; /* number of decimal positions */ +} f_descr; /* memory dfb-header */ -typedef struct { - int db_fd; /* file-descriptor */ - u_long db_offset; /* current offset in file */ - u_char db_memo; /* memo-file present */ - u_char db_year; /* last update as YYMMDD */ - u_char db_month; - u_char db_day; - u_long db_hlen; /* length of the diskheader, for - calculating the offsets */ - u_long db_records; /* number of records */ - u_long db_currec; /* current record-number starting - at 0 */ - u_short db_rlen; /* length of the record */ - u_char db_nfields; /* number of fields */ - u_char *db_buff; /* record-buffer to save malloc()'s */ - f_descr *db_fields; /* pointer to an array of field- - descriptions */ -} dbhead; +typedef struct +{ + int db_fd; /* file-descriptor */ + u_long db_offset; /* current offset in file */ + u_char db_memo; /* memo-file present */ + u_char db_year; /* last update as YYMMDD */ + u_char db_month; + u_char db_day; + u_long db_hlen; /* length of the diskheader, for + * calculating the offsets */ + u_long db_records; /* number of records */ + u_long db_currec; /* current record-number starting at 0 */ + u_short db_rlen; /* length of the record */ + u_char db_nfields; /* number of fields */ + u_char *db_buff; /* record-buffer to save malloc()'s */ + f_descr *db_fields; /* pointer to an array of field- + * descriptions */ +} dbhead; /* structure that contains everything a user wants from a field, including the contents (in ASCII). Warning! db_flen may be bigger than the actual length of db_name! This is because a field doesn't have to be completely filled */ - -typedef struct { - u_char db_name[DBF_NAMELEN]; /* field-name terminated with \0 */ - u_char db_type; /* field-type */ - u_char db_flen; /* field-length */ - u_char db_dec; /* number of decimal positions */ - u_char* db_contents; /* contents of the field in ASCII */ -} field; + +typedef struct +{ + u_char db_name[DBF_NAMELEN]; /* field-name terminated with \0 */ + u_char db_type; /* field-type */ + u_char db_flen; /* field-length */ + u_char db_dec; /* number of decimal positions */ + u_char *db_contents; /* contents of the field in ASCII */ +} field; /* prototypes for functions */ -extern dbhead* dbf_open(u_char *file ,int flags); -extern int dbf_write_head(dbhead *dbh); -extern int dbf_put_fields(dbhead *dbh); -extern int dbf_add_field(dbhead *dbh, u_char *name, u_char type, - u_char length, u_char dec); -extern dbhead * dbf_open_new(u_char *name, int flags); -extern void dbf_close(dbhead *dbh); -extern int dbf_get_record(dbhead *dbh, field *fields, u_long rec); -extern field* dbf_build_record(dbhead *dbh); -extern void dbf_free_record(dbhead *dbh, field* fields); -extern int dbf_put_record(dbhead *dbh, field *rec, u_long where); +extern dbhead *dbf_open(u_char *file, int flags); +extern int dbf_write_head(dbhead * dbh); +extern int dbf_put_fields(dbhead * dbh); +extern int dbf_add_field(dbhead * dbh, u_char *name, u_char type, + u_char length, u_char dec); +extern dbhead *dbf_open_new(u_char *name, int flags); +extern void dbf_close(dbhead * dbh); +extern int dbf_get_record(dbhead * dbh, field * fields, u_long rec); +extern field *dbf_build_record(dbhead * dbh); +extern void dbf_free_record(dbhead * dbh, field * fields); +extern int dbf_put_record(dbhead * dbh, field * rec, u_long where); /********************************************************************* @@ -131,5 +135,4 @@ extern long get_long(u_char *cp); extern void put_long(u_char *cp, long lval); extern short get_short(u_char *cp); extern void put_short(u_char *cp, short lval); - -#endif /* _DBF_H */ +#endif /* _DBF_H */ |