X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=bfile%2Fcfile.c;h=542b0966a403b3e43bacd63977cc94dd34fb1722;hb=bceca936710690858ea162e7bc22de819f0e280f;hp=c1fd26f9561af6a585a146f3cd80e5d84df0172b;hpb=20956e941d49591da38aceb603792605521e0e60;p=idzebra-moved-to-github.git diff --git a/bfile/cfile.c b/bfile/cfile.c index c1fd26f..542b096 100644 --- a/bfile/cfile.c +++ b/bfile/cfile.c @@ -1,10 +1,34 @@ /* - * Copyright (C) 1995, Index Data I/S + * Copyright (C) 1995-1999, Index Data ApS * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: cfile.c,v $ - * Revision 1.16 1996-04-19 16:23:47 adam + * Revision 1.24 1999-05-12 13:08:06 adam + * First version of ISAMS. + * + * Revision 1.23 1998/10/15 13:09:29 adam + * Minor changes. + * + * Revision 1.22 1998/10/13 20:07:22 adam + * Changed some log messages. + * + * Revision 1.21 1998/08/24 17:29:52 adam + * Minor changes. + * + * Revision 1.20 1998/08/07 15:07:13 adam + * Fixed but in cf_commit_flat. + * + * Revision 1.19 1997/02/12 20:37:17 adam + * Changed the messages logged. No real code changed. + * + * Revision 1.18 1996/10/29 13:56:15 adam + * Include of zebrautl.h instead of alexutil.h. + * + * Revision 1.17 1996/04/19 16:49:00 adam + * Minor changes. + * + * Revision 1.16 1996/04/19 16:23:47 adam * Serious bug fix in shadow implementation; function new_bucket might * set wrong bucket number on new bucket. * @@ -63,7 +87,7 @@ #include #include -#include +#include #include #include "cfile.h" @@ -111,11 +135,11 @@ CFile cf_open (MFile mf, MFile_area area, const char *fname, { char path[1024]; int i; - CFile cf = xmalloc (sizeof(*cf)); + CFile cf = (CFile) xmalloc (sizeof(*cf)); int hash_bytes; cf->rmf = mf; - logf (LOG_LOG, "cf_open %s %s", cf->rmf->name, wflag ? "rdwr" : "rd"); + logf (LOG_DEBUG, "cf: open %s %s", cf->rmf->name, wflag ? "rdwr" : "rd"); sprintf (path, "%s-b", fname); if (!(cf->block_mf = mf_open (area, path, block_size, wflag))) { @@ -183,11 +207,7 @@ CFile cf_open (MFile mf, MFile_area area, const char *fname, static int cf_hash (CFile cf, int no) { -#if 1 return (no>>3) % cf->head.hash_size; -#else - return (no/(HASH_BUCKET*2+2)) % cf->head.hash_size; -#endif } static void release_bucket (CFile cf, struct CFile_hash_bucket *p) @@ -323,7 +343,7 @@ static int cf_lookup_hash (CFile cf, int no) } if (hb) continue; -#if 1 +#if 0 /* extra check ... */ for (hb = cf->bucket_lru_back; hb; hb = hb->lru_next) { @@ -366,8 +386,8 @@ static void cf_moveto_flat (CFile cf) struct CFile_hash_bucket *p; int i, j; - logf (LOG_LOG, "Moving to flat shadow: %s", cf->rmf->name); - logf (LOG_LOG, "hits=%d miss=%d bucket_in_memory=%d total=%d", + logf (LOG_DEBUG, "cf: Moving to flat shadow: %s", cf->rmf->name); + logf (LOG_DEBUG, "cf: hits=%d miss=%d bucket_in_memory=%d total=%d", cf->no_hits, cf->no_miss, cf->bucket_in_memory, cf->head.next_bucket - cf->head.first_bucket); assert (cf->head.state == 1); @@ -439,7 +459,7 @@ static int cf_new_hash (CFile cf, int no) if (hb) continue; -#if 1 +#if 0 /* extra check ... */ for (hb = cf->bucket_lru_back; hb; hb = hb->lru_next) { @@ -486,14 +506,14 @@ int cf_new (CFile cf, int no) } -int cf_read (CFile cf, int no, int offset, int num, void *buf) +int cf_read (CFile cf, int no, int offset, int nbytes, void *buf) { int block; assert (cf); if (!(block = cf_lookup (cf, no))) return -1; - if (!mf_read (cf->block_mf, block, offset, num, buf)) + if (!mf_read (cf->block_mf, block, offset, nbytes, buf)) { logf (LOG_FATAL|LOG_ERRNO, "cf_read no=%d, block=%d", no, block); exit (1); @@ -501,7 +521,7 @@ int cf_read (CFile cf, int no, int offset, int num, void *buf) return 1; } -int cf_write (CFile cf, int no, int offset, int num, const void *buf) +int cf_write (CFile cf, int no, int offset, int nbytes, const void *buf) { int block; @@ -509,16 +529,16 @@ int cf_write (CFile cf, int no, int offset, int num, const void *buf) if (!(block = cf_lookup (cf, no))) { block = cf_new (cf, no); - if (offset || num) + if (offset || nbytes) { mf_read (cf->rmf, no, 0, 0, cf->iobuf); - memcpy (cf->iobuf + offset, buf, num); + memcpy (cf->iobuf + offset, buf, nbytes); buf = cf->iobuf; offset = 0; - num = 0; + nbytes = 0; } } - if (mf_write (cf->block_mf, block, offset, num, buf)) + if (mf_write (cf->block_mf, block, offset, nbytes, buf)) { logf (LOG_FATAL|LOG_ERRNO, "cf_write no=%d, block=%d", no, block); exit (1); @@ -528,18 +548,15 @@ int cf_write (CFile cf, int no, int offset, int num, const void *buf) int cf_close (CFile cf) { - logf (LOG_LOG, "hits=%d miss=%d bucket_in_memory=%d total=%d", + logf (LOG_DEBUG, "cf: close hits=%d miss=%d bucket_in_memory=%d total=%d", cf->no_hits, cf->no_miss, cf->bucket_in_memory, cf->head.next_bucket - cf->head.first_bucket); flush_bucket (cf, -1); if (cf->dirty) { - logf (LOG_LOG, "cf_close %s, dirty", cf->rmf->name); mf_write (cf->hash_mf, 0, 0, sizeof(cf->head), &cf->head); write_head (cf); } - else - logf (LOG_LOG, "cf_close %s", cf->rmf->name); mf_close (cf->hash_mf); mf_close (cf->block_mf); xfree (cf->array);