X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=rset%2Frsisam.c;h=9eb27ccc11e26e772cdf33a05831808f5e764eb9;hb=067b55382bc9916b3f7dcd473512c703d4de4a5d;hp=ec1e20339ce1ecb3cb62cc2a1fd2e51183652b9e;hpb=40ca1d08c1d83b92e0b90951d918b252c61c63b2;p=idzebra-moved-to-github.git diff --git a/rset/rsisam.c b/rset/rsisam.c index ec1e203..9eb27cc 100644 --- a/rset/rsisam.c +++ b/rset/rsisam.c @@ -4,7 +4,24 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: rsisam.c,v $ - * Revision 1.11 1995-10-06 14:38:05 adam + * Revision 1.15 1996-10-29 13:55:22 adam + * Include of zebrautl.h instead of alexutil.h. + * + * Revision 1.14 1995/12/11 09:15:24 adam + * New set types: sand/sor/snot - ranked versions of and/or/not in + * ranked/semi-ranked result sets. + * Note: the snot not finished yet. + * New rset member: flag. + * Bug fix: r_delete in rsrel.c did free bad memory block. + * + * Revision 1.13 1995/10/12 12:41:56 adam + * Private info (buf) moved from struct rset_control to struct rset. + * Bug fixes in relevance. + * + * Revision 1.12 1995/10/10 14:00:04 adam + * Function rset_open changed its wflag parameter to general flags. + * + * Revision 1.11 1995/10/06 14:38:05 adam * New result set method: r_score. * Local no (sysno) and score is transferred to retrieveCtrl. * @@ -42,22 +59,22 @@ #include #include #include -#include +#include -static rset_control *r_create(const struct rset_control *sel, void *parms); -static RSFD r_open (rset_control *ct, int wflag); +static void *r_create(const struct rset_control *sel, void *parms, + int *flags); +static RSFD r_open (RSET ct, int flag); static void r_close (RSFD rfd); -static void r_delete (rset_control *ct); +static void r_delete (RSET ct); static void r_rewind (RSFD rfd); -static int r_count (rset_control *ct); +static int r_count (RSET ct); static int r_read (RSFD rfd, void *buf); static int r_write (RSFD rfd, const void *buf); static int r_score (RSFD rfd, int *score); static const rset_control control = { - "ISAM set type", - 0, + "isam", r_create, r_open, r_close, @@ -83,31 +100,27 @@ struct rset_isam_info { struct rset_ispt_info *ispt_list; }; -static rset_control *r_create(const struct rset_control *sel, void *parms) +static void *r_create(const struct rset_control *sel, void *parms, + int *flags) { - rset_control *newct; rset_isam_parms *pt = parms; struct rset_isam_info *info; - newct = xmalloc(sizeof(*newct)); - memcpy(newct, sel, sizeof(*sel)); - - if (!(newct->buf = xmalloc (sizeof(struct rset_isam_info)))) - return 0; - info = newct->buf; + *flags |= RSET_FLAG_VOLATILE; + info = xmalloc (sizeof(struct rset_isam_info)); info->is = pt->is; info->pos = pt->pos; info->ispt_list = NULL; - return newct; + return info; } -RSFD r_open (rset_control *ct, int wflag) +RSFD r_open (RSET ct, int flag) { struct rset_isam_info *info = ct->buf; struct rset_ispt_info *ptinfo; logf (LOG_DEBUG, "risam_open"); - if (wflag) + if (flag & RSETF_WRITE) { logf (LOG_FATAL, "ISAM set type is read-only"); return NULL; @@ -137,14 +150,13 @@ static void r_close (RSFD rfd) assert (0); } -static void r_delete (rset_control *ct) +static void r_delete (RSET ct) { struct rset_isam_info *info = ct->buf; logf (LOG_DEBUG, "rsisam_delete"); assert (info->ispt_list == NULL); xfree (info); - xfree (ct); } static void r_rewind (RSFD rfd) @@ -153,7 +165,7 @@ static void r_rewind (RSFD rfd) is_rewind( ((struct rset_ispt_info*) rfd)->pt); } -static int r_count (rset_control *ct) +static int r_count (RSET ct) { return 0; }