X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=dict%2Fopen.c;h=9597b86b26f7926176eae7117943d40003225cb2;hb=6b0310a64df542131c2f4abded39f35844235e4d;hp=ad42795adc40e45ec8a77cb94842081888a12bc1;hpb=3c5f6226f97612c0d6ac40591f600587c5ffa858;p=idzebra-moved-to-github.git diff --git a/dict/open.c b/dict/open.c index ad42795..9597b86 100644 --- a/dict/open.c +++ b/dict/open.c @@ -4,7 +4,16 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: open.c,v $ - * Revision 1.13 1999-02-02 14:50:27 adam + * Revision 1.16 1999-05-26 07:49:13 adam + * C++ compilation. + * + * Revision 1.15 1999/05/15 14:36:37 adam + * Updated dictionary. Implemented "compression" of dictionary. + * + * Revision 1.14 1999/03/09 13:07:06 adam + * Work on dict_compact routine. + * + * Revision 1.13 1999/02/02 14:50:27 adam * Updated WIN32 code specific sections. Changed header. * * Revision 1.12 1997/09/17 12:19:07 adam @@ -54,16 +63,18 @@ #include -Dict dict_open (BFiles bfs, const char *name, int cache, int rw) +Dict dict_open (BFiles bfs, const char *name, int cache, int rw, + int compact_flag) { Dict dict; void *head_buf; - struct Dict_head *dh; char resource_str[80]; int page_size; - dict = xmalloc (sizeof(*dict)); + dict = (Dict) xmalloc (sizeof(*dict)); + if (cache < 5) + cache = 5; sprintf (resource_str, "dict.%s.pagesize", name); dict->grep_cmap = NULL; @@ -85,37 +96,34 @@ Dict dict_open (BFiles bfs, const char *name, int cache, int rw) } if (dict_bf_readp (dict->dbf, 0, &head_buf) <= 0) { + strcpy (dict->head.magic_str, DICT_MAGIC); + dict->head.last = 1; + dict->head.root = 0; + dict->head.freelist = 0; + dict->head.page_size = page_size; + dict->head.compact_flag = compact_flag; + + /* create header with information (page 0) */ if (rw) - { /* create header with information (page 0) */ - dict_bf_newp (dict->dbf, 0, &head_buf); - dh = (struct Dict_head *) head_buf; - strcpy(dh->magic_str, DICT_MAGIC); - dh->free_list = dh->last = 1; - dh->page_size = page_size; - memcpy (&dict->head, dh, sizeof(*dh)); - } - else - { /* no header present, i.e. no dictionary at all */ - dict->head.free_list = dict->head.last = 0; - dict->head.page_size = page_size; - } + dict_bf_newp (dict->dbf, 0, &head_buf, page_size); } else /* header was there, check magic and page size */ { - dh = (struct Dict_head *) head_buf; - if (strcmp (dh->magic_str, DICT_MAGIC)) + memcpy (&dict->head, head_buf, sizeof(dict->head)); + if (strcmp (dict->head.magic_str, DICT_MAGIC)) { logf (LOG_WARN, "Bad magic of `%s'", name); exit (1); } - if (dh->page_size != page_size) + if (dict->head.page_size != page_size) { logf (LOG_WARN, "Resource %s is %d and pagesize of `%s' is %d", - resource_str, page_size, name, dh->page_size); - exit (1); + resource_str, page_size, name, dict->head.page_size); + return 0; } - memcpy (&dict->head, dh, sizeof(*dh)); } + if (dict->head.compact_flag) + dict_bf_compact(dict->dbf); return dict; }