X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=isam%2Fisam.c;h=248a944f2d12b7a6308744aac782269a9fd4f8d7;hb=85df66537199c30a492ad54be4fbe25fa77e18c8;hp=42d7acdb51d3ad4fb741fa0b6c652ee3728d4f9c;hpb=b879b04a092d5b00cc866cf16f755e55053d2e89;p=idzebra-moved-to-github.git diff --git a/isam/isam.c b/isam/isam.c index 42d7acd..248a944 100644 --- a/isam/isam.c +++ b/isam/isam.c @@ -4,7 +4,26 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: isam.c,v $ - * Revision 1.11 1995-09-04 12:33:46 adam + * Revision 1.17 1995-12-06 15:48:44 quinn + * Fixed update-problem. + * + * Revision 1.16 1995/12/06 14:48:26 quinn + * Fixed some strange bugs. + * + * Revision 1.15 1995/12/06 09:59:45 quinn + * Fixed memory-consumption bug in memory.c + * Added more blocksizes to the default ISAM configuration. + * + * Revision 1.14 1995/11/24 17:26:19 quinn + * Mostly about making some ISAM stuff in the config file optional. + * + * Revision 1.13 1995/10/17 18:03:15 adam + * Commented out qsort in is_merge. + * + * Revision 1.12 1995/09/06 16:11:41 adam + * Keysize parameter to is_open (if non-zero). + * + * Revision 1.11 1995/09/04 12:33:46 adam * Various cleanup. YAZ util used instead. * * Revision 1.10 1994/09/28 16:58:32 quinn @@ -99,7 +118,7 @@ static int splitargs(const char *s, char *bf[], int max) * Process resources. */ ISAM is_open(const char *name, int (*cmp)(const void *p1, const void *p2), - int writeflag) + int writeflag, int keysize) { ISAM new; char *nm, *r, *pp[IS_MAX_BLOCKTYPES+1], m[2]; @@ -113,8 +132,9 @@ ISAM is_open(const char *name, int (*cmp)(const void *p1, const void *p2), new->types[i].index = 0; /* dummy */ /* determine number and size of blocktypes */ - if (!(r = res_get(common_resource, nm = strconcat(name, ".", - "blocktypes", 0))) || !(num = splitargs(r, pp, IS_MAX_BLOCKTYPES))) + if (!(r = res_get_def(common_resource, nm = strconcat(name, ".", + "blocktypes", 0), "64 512 4K 32K")) || + !(num = splitargs(r, pp, IS_MAX_BLOCKTYPES))) { logf (LOG_FATAL, "Failed to locate resource %s", nm); return 0; @@ -172,16 +192,22 @@ ISAM is_open(const char *name, int (*cmp)(const void *p1, const void *p2), } /* ELSE: this is an empty file opened in read-only mode. */ } - if (!(r = res_get_def(common_resource, nm = strconcat(name, ".", "keysize", - 0), "4"))) - { - logf (LOG_FATAL, "Failed to locate resource %s", nm); - return 0; - } - if ((new->keysize = atoi(r)) <= 0) + if (keysize > 0) + new->keysize = keysize; + else { - logf (LOG_FATAL, "Must specify positive keysize."); - return 0; + if (!(r = res_get_def(common_resource, nm = strconcat(name, ".", + "keysize", + 0), "4"))) + { + logf (LOG_FATAL, "Failed to locate resource %s", nm); + return 0; + } + if ((new->keysize = atoi(r)) <= 0) + { + logf (LOG_FATAL, "Must specify positive keysize."); + return 0; + } } /* determine repack percent */ @@ -194,8 +220,9 @@ ISAM is_open(const char *name, int (*cmp)(const void *p1, const void *p2), new->repack = atoi(r); /* determine max keys/blocksize */ - if (!(r = res_get(common_resource, nm = strconcat(name, ".", - "maxkeys", 0))) || !(num = splitargs(r, pp, IS_MAX_BLOCKTYPES))) + if (!(r = res_get_def(common_resource, nm = strconcat(name, ".", + "maxkeys", 0), "50 640 10000")) || !(num = splitargs(r, pp, + IS_MAX_BLOCKTYPES))) { logf (LOG_FATAL, "Failed to locate resource %s", nm); return 0; @@ -236,8 +263,9 @@ ISAM is_open(const char *name, int (*cmp)(const void *p1, const void *p2), } /* determine nice fill rates */ - if (!(r = res_get(common_resource, nm = strconcat(name, ".", - "nicefill", 0))) || !(num = splitargs(r, pp, IS_MAX_BLOCKTYPES))) + if (!(r = res_get_def(common_resource, nm = strconcat(name, ".", + "nicefill", 0), "90 90 90 95")) || !(num = splitargs(r, pp, + IS_MAX_BLOCKTYPES))) { logf (LOG_FATAL, "Failed to locate resource %s", nm); return 0; @@ -323,7 +351,9 @@ ISAM_P is_merge(ISAM is, ISAM_P pos, int num, char *data) char operation, *record; extcmp = is->cmp; +#if 0 qsort(data, num, is_keysize(is) + 1, sort_input); +#endif is_m_establish_tab(is, &tab, pos); if (pos) if (is_m_read_full(&tab, tab.data) < 0) @@ -443,7 +473,7 @@ void is_pt_free(ISPT ip) */ int is_readkey(ISPT ip, void *buf) { - return is_m_read_record(&ip->tab, buf); + return is_m_read_record(&ip->tab, buf, 0); } int is_numkeys(ISPT ip)