From ed3944df3f241654030ef0d391c85b3e6f6e7230 Mon Sep 17 00:00:00 2001 From: Adam Dickmeiss Date: Wed, 1 May 1996 13:44:05 +0000 Subject: [PATCH] Added seek function to the recExtractCtrl and recRetrieveCtrl control structures. Added end-of-file indicator function and start offset to recExtractCtrl. --- include/recctrl.h | 31 ++++++++++++++++++++----------- 1 file changed, 20 insertions(+), 11 deletions(-) diff --git a/include/recctrl.h b/include/recctrl.h index bafc3e8..25bc1f6 100644 --- a/include/recctrl.h +++ b/include/recctrl.h @@ -4,7 +4,12 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: recctrl.h,v $ - * Revision 1.12 1996-01-17 15:01:25 adam + * Revision 1.13 1996-05-01 13:44:05 adam + * Added seek function to the recExtractCtrl and recRetrieveCtrl control + * structures. Added end-of-file indicator function and start offset to + * recExtractCtrl. + * + * Revision 1.12 1996/01/17 15:01:25 adam * Prototype changed for reader functions in extract/retrieve. File * is identified by 'void *' instead of 'int'. * @@ -68,8 +73,11 @@ typedef struct { /* Extract record control */ struct recExtractCtrl { - void *fh; /* File handle and read function */ + void *fh; /* File handle and read function */ int (*readf)(void *fh, char *buf, size_t count); + off_t (*seekf)(void *fh, off_t offset); /* seek function */ + void (*endf)(void *fh, off_t offset); /* end of record position */ + off_t offset; /* start offset */ char *subType; void (*init)(RecWord *p); void (*add)(const RecWord *p); @@ -78,13 +86,14 @@ struct recExtractCtrl { /* Retrieve record control */ struct recRetrieveCtrl { /* Input parameters ... */ - ODR odr; /* ODR used to create response */ + ODR odr; /* ODR used to create response */ void *fh; /* File descriptor and read function */ int (*readf)(void *fh, char *buf, size_t count); - oid_value input_format; /* Preferred record syntax */ - Z_RecordComposition *comp; /* formatting instructions */ - int localno; /* local id of record */ - int score; /* score 0-1000 or -1 if none */ + off_t (*seekf)(void *fh, off_t offset); + oid_value input_format; /* Preferred record syntax */ + Z_RecordComposition *comp; /* formatting instructions */ + int localno; /* local id of record */ + int score; /* score 0-1000 or -1 if none */ char *subType; /* response */ @@ -97,10 +106,10 @@ struct recRetrieveCtrl { typedef struct recType { - char *name; /* Name of record type */ - void (*init)(void); /* Init function - called once */ - int (*extract)(struct recExtractCtrl *ctrl); /* Extract proc */ - int (*retrieve)(struct recRetrieveCtrl *ctrl); /* Retrieve proc */ + char *name; /* Name of record type */ + void (*init)(void); /* Init function - called once */ + int (*extract)(struct recExtractCtrl *ctrl); /* Extract proc */ + int (*retrieve)(struct recRetrieveCtrl *ctrl); /* Retrieve proc */ } *RecType; RecType recType_byName (const char *name, char *subType); -- 1.7.10.4