X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=dict%2Fopen.c;h=a4f136aae23474992e01c748e408982d228c44af;hb=a20e59c5087fb92c419f2330c786367f9ce8ccd2;hp=0ededaae37f46379dff62d3e79778059386c6923;hpb=c3950f70c647c6726ab2d5d49506f3ff4948888c;p=idzebra-moved-to-github.git diff --git a/dict/open.c b/dict/open.c index 0ededaa..a4f136a 100644 --- a/dict/open.c +++ b/dict/open.c @@ -1,10 +1,32 @@ /* - * Copyright (C) 1994, Index Data I/S + * Copyright (C) 1994-2002, Index Data * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: open.c,v $ - * Revision 1.11 1996-10-29 14:00:05 adam + * Revision 1.18 2002-05-03 13:47:15 adam + * make checkergcc happy + * + * Revision 1.17 2000/12/05 09:59:10 adam + * Work on dict_delete_subtree. + * + * 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 + * Zebra version corresponds to YAZ version 1.4. + * Changed Zebra server so that it doesn't depend on global common_resource. + * + * Revision 1.11 1996/10/29 14:00:05 adam * Page size given by DICT_DEFAULT_PAGESIZE in dict.h. * * Revision 1.10 1996/05/24 14:46:04 adam @@ -47,16 +69,18 @@ #include -Dict dict_open (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; @@ -67,7 +91,7 @@ Dict dict_open (const char *name, int cache, int rw) resource_str); page_size = 2048; } - dict->dbf = dict_bf_open (name, page_size, cache, rw); + dict->dbf = dict_bf_open (bfs, name, page_size, cache, rw); dict->rw = rw; if(!dict->dbf) @@ -78,37 +102,35 @@ Dict dict_open (const char *name, int cache, int rw) } if (dict_bf_readp (dict->dbf, 0, &head_buf) <= 0) { + memset (dict->head.magic_str, 0, sizeof(dict->head.magic_str)); + 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; } @@ -117,6 +139,11 @@ int dict_strcmp (const Dict_char *s1, const Dict_char *s2) return strcmp ((const char *) s1, (const char *) s2); } +int dict_strncmp (const Dict_char *s1, const Dict_char *s2, size_t n) +{ + return strncmp ((const char *) s1, (const char *) s2, n); +} + int dict_strlen (const Dict_char *s) { return strlen((const char *) s);