X-Git-Url: http://sru.miketaylor.org.uk/?a=blobdiff_plain;ds=sidebyside;f=rset%2Frstemp.c;h=2103959c5355bb2fc2295288c46c6ce6031ed1b5;hb=40ca1d08c1d83b92e0b90951d918b252c61c63b2;hp=6a92d8371a1bb9057175a34cb881817242f654aa;hpb=7c4f8bf9516beb806a1e51467d2e10f86a4c21b7;p=idzebra-moved-to-github.git diff --git a/rset/rstemp.c b/rset/rstemp.c index 6a92d83..2103959 100644 --- a/rset/rstemp.c +++ b/rset/rstemp.c @@ -4,7 +4,20 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: rstemp.c,v $ - * Revision 1.9 1995-09-15 09:20:42 adam + * Revision 1.13 1995-10-06 14:38:06 adam + * New result set method: r_score. + * Local no (sysno) and score is transferred to retrieveCtrl. + * + * Revision 1.12 1995/09/28 09:52:11 adam + * xfree/xmalloc used everywhere. + * + * Revision 1.11 1995/09/18 14:17:56 adam + * Bug fixes. + * + * Revision 1.10 1995/09/15 14:45:39 adam + * Bug fixes. + * + * Revision 1.9 1995/09/15 09:20:42 adam * Bug fixes. * * Revision 1.8 1995/09/08 14:52:42 adam @@ -52,6 +65,7 @@ static void r_rewind (RSFD rfd); static int r_count (rset_control *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 = { @@ -64,7 +78,8 @@ static const rset_control control = r_rewind, r_count, r_read, - r_write + r_write, + r_score }; const rset_control *rset_kind_temp = &control; @@ -102,7 +117,7 @@ static struct rset_control *r_create(const struct rset_control *sel, info->fd = -1; info->fname = NULL; info->key_size = temp_parms->key_size; - info->buf_size = 1024; + info->buf_size = 4096; info->buf_mem = xmalloc (info->buf_size); info->pos_cur = 0; info->pos_end = 0; @@ -132,7 +147,7 @@ static RSFD r_open (struct rset_control *ct, int wflag) } rfd = xmalloc (sizeof(*rfd)); rfd->info = info; - r_rewind (ct); + r_rewind (rfd); return rfd; } @@ -150,6 +165,7 @@ static void r_flush (RSFD rfd, int mk) info->fname = xmalloc (strlen(s)+1); strcpy (info->fname, s); + logf (LOG_DEBUG, "creating tempfile %s", info->fname); info->fd = open (info->fname, O_RDWR|O_CREAT, 0666); if (info->fd == -1) { @@ -201,7 +217,13 @@ static void r_delete (struct rset_control *ct) if (info->fname) unlink (info->fname); free (info->buf_mem); - free (info->fname); + logf (LOG_DEBUG, "r_delete: set size %ld", (long) info->pos_end); + if (info->fname) + { + logf (LOG_DEBUG, "r_delete: unlink %s", info->fname); + unlink (info->fname); + free (info->fname); + } free (info); } @@ -222,6 +244,12 @@ static void r_reread (RSFD rfd) info->pos_border = info->pos_end; count = info->pos_border - info->pos_buf; if (count > 0) + { + if (lseek (info->fd, info->pos_buf, SEEK_SET) == -1) + { + logf (LOG_FATAL|LOG_ERRNO, "lseek %s", info->fname); + exit (1); + } if ((r = read (info->fd, info->buf_mem, count)) < count) { if (r == -1) @@ -231,6 +259,7 @@ static void r_reread (RSFD rfd) (long) count, (long) r); exit (1); } + } } else info->pos_border = info->pos_end; @@ -283,9 +312,10 @@ static int r_write (RSFD rfd, const void *buf) { r_flush (rfd, 1); info->pos_buf = info->pos_cur; - r_reread (rfd); - info->dirty = 1; + if (info->pos_buf < info->pos_end) + r_reread (rfd); } + info->dirty = 1; memcpy (info->buf_mem + (info->pos_cur - info->pos_buf), buf, info->key_size); info->pos_cur = nc; @@ -294,3 +324,8 @@ static int r_write (RSFD rfd, const void *buf) return 1; } +static int r_score (RSFD rfd, int *score) +{ + *score = -1; + return -1; +}