From af69217fea009d28a9dca78796147a05d3cffb01 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 25 Jan 1998 17:01:47 +0000 Subject: Update. 1998-01-26 00:57 Ulrich Drepper * db2/Makefile (routines): Add os_alloc. * db2/db.h: Update from db-2.3.16. * db2/db_185.h: Likewise. * db2/db_int.h: Likewise. * db2/btree/bt_close.c: Likewise. * db2/btree/bt_cursor.c: Likewise. * db2/btree/bt_delete.c: Likewise. * db2/btree/bt_open.c: Likewise. * db2/btree/bt_page.c: Likewise. * db2/btree/bt_put.c: Likewise. * db2/btree/bt_rec.c: Likewise. * db2/btree/bt_recno.c: Likewise. * db2/btree/btree_auto.c: Likewise. * db2/common/db_appinit.c: Likewise. * db2/common/db_apprec.c: Likewise. * db2/common/db_err.c: Likewise. * db2/common/db_region.c: Likewise. * db2/common/db_shash.c: Likewise. * db2/db/db.c: Likewise. * db2/db/db_auto.c: Likewise. * db2/db/db_conv.c: Likewise. * db2/db/db_dispatch.c: Likewise. * db2/db/db_dup.c: Likewise. * db2/db/db_pr.c: Likewise. * db2/db/db_rec.c: Likewise. * db2/db185/db185.c: Likewise. * db2/dbm/dbm.c: Likewise. * db2/hash/hash.c: Likewise. * db2/hash/hash_auto.c: Likewise. * db2/hash/hash_dup.c: Likewise. * db2/hash/hash_page.c: Likewise. * db2/hash/hash_rec.c: Likewise. * db2/include/btree_ext.h: Likewise. * db2/include/clib_ext.h: Likewise. * db2/include/common_ext.h: Likewise. * db2/include/db.h.src: Likewise. * db2/include/db_185.h.src: Likewise. * db2/include/db_am.h: Likewise. * db2/include/db_ext.h: Likewise. * db2/include/db_int.h.src: Likewise. * db2/include/hash_ext.h: Likewise. * db2/include/lock_ext.h: Likewise. * db2/include/log.h: Likewise. * db2/include/log_auto.h: Likewise. * db2/include/log_ext.h: Likewise. * db2/include/mp.h: Likewise. * db2/include/mp_ext.h: Likewise. * db2/include/mutex_ext.h: Likewise. * db2/include/os_ext.h: Likewise. * db2/include/os_func.h: Likewise. * db2/include/txn_ext.h: Likewise. * db2/lock/lock.c: Likewise. * db2/lock/lock_util.c: Likewise. * db2/log/log.c: Likewise. * db2/log/log.src: Likewise. * db2/log/log_archive.c: Likewise. * db2/log/log_auto.c: Likewise. * db2/log/log_get.c: Likewise. * db2/log/log_put.c: Likewise. * db2/log/log_rec.c: Likewise. * db2/log/log_register.c: Likewise. * db2/mp/mp_bh.c: Likewise. * db2/mp/mp_fget.c: Likewise. * db2/mp/mp_fopen.c: Likewise. * db2/mp/mp_fput.c: Likewise. * db2/mp/mp_pr.c: Likewise. * db2/mp/mp_sync.c: Likewise. * db2/mutex/mutex.c: Likewise. * db2/os/os_alloc.c: Likewise. * db2/os/os_config.c: Likewise. * db2/os/os_stat.c: Likewise. * db2/progs/db_checkpoint/db_checkpoint.c: Likewise. * db2/progs/db_deadlock/db_deadlock.c: Likewise. * db2/progs/db_load/db_load.c: Likewise. * db2/progs/db_printlog/db_printlog.c: Likewise. * db2/progs/db_recover/db_recover.c: Likewise. * db2/progs/db_stat/db_stat.c: Likewise. * db2/txn/txn.c: Likewise. * elf/dl-close.c (_dl_close): Rename inner variable named map to imap. Unmap memory blocks in reverse order of allocation. Call munmap with load address added to offset. Bug reported by Miguel de Icaza. * locale/programs/ld-collate.c (collate_end_weight): Correctly fill up weight array. * localedata/locales/cs_CZ: Update by Michael Mraka . * misc/sys/syslog.h: Reformat a bit. Don't declare vsyslog unless __USE_BSD. * nis/nss_compat/compat-grp.c: Correctly handle buffer overflow while reading line with fgets. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/compat-spwd.c: Likewise. * nss/nss_files/files-XXX.c: Likewise. * nss/nss_files/files-alias.c: Likewise. * shadow/fgetspent_r.c: Likewise. * string/strerror_r.c: Correct comment. Patch by Andreas Jaeger. * sysdeps/unix/sysv/linux/bits/stat.h: Define _STATBUF_ST_RDEV. * sysdeps/unix/sysv/linux/alpha/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Allocate room for FP register content in ucontext_t. 1998-01-22 Andreas Jaeger * sysdeps/libm-ieee754/s_modfl.c (modf): Correct calculation. Patch by Markus Schoder . * math/libm-test.c (modf_test): Add more tests for modf. * sysdeps/unix/sysv/linux/sys/mman.h: Add const to mlock and munlock according to Unix98. 1998-01-25 Andreas Jaeger * nss/nss_files/files-network.c (LINE_PARSER): Set n_addrtype to AF_INET. 1998-01-21 07:22 H.J. Lu * sysdeps/posix/ttyname.c: Handle symbolic links. * sysdeps/posix/ttyname_r.c: Ditto. 1998-01-25 19:39 Ulrich Drepper * db2/makedb.c (process_input): Write terminating \0 for value. (print_database): Simply print value string, don't use length. 1998-01-24 Andreas Jaeger * nss/nsswitch.c (__nss_configure_lookup): Correct test for early exit of loop. 1998-01-25 Thorsten Kukuk * nis/ypclnt.c: Don't set dom_client to NULL, or we will not close all sockets. 1998-01-25 14:54 Ulrich Drepper * signal/Makefile (routines): Add sighold, sigrelse, sigignore, and sigset. * signal/sighold.c: New file. * signal/sigrelse.c: New file. * sysdeps/generic/sigignore.c: New file. * sysdeps/generic/sigset.c: New file. * sysdeps/posix/sigignore.c: New file. * sysdeps/posix/sigset.c: New file. * signal/signal.h: Add prototypes for new functions. * sysdeps/unix/sysv/linux/alpha/bits/signum.h: Define SIG_HOLD. * sysdeps/unix/sysv/linux/bits/signum.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/signum.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/signum.h: Likewise. 1998-01-23 00:16 Tim Waugh * posix/wordexp.c: Added IFS field-splitting in parameter and command substitution. Fixed an IFS-related bug that caused an infinite loop. 1998-01-25 12:38 Ulrich Drepper * stdlib/Makefile (routines): Add getcontext, setcontext, makecontext, and swapcontext. * stdlib/ucontext.h: Correct prototypes. * sysdeps/generic/getcontext.c: New file. * sysdeps/generic/setcontext.c: New file. * sysdeps/generic/makecontext.c: New file. * sysdeps/generic/swapcontext.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/Makefile: Removed. 1998-01-25 04:07 Ulrich Drepper * resource/sys/resource.h: Remove #include of ulimit.h which is not allowed by SUSv2 and not available on other systems. * sysdeps/unix/sysv/linux/ulimit.c: Include ulimit.h. * streams/Makefile: New file. * streams/stropts.h: New file. * sysdeps/generic/bits/stropts.h: New file. * sysdeps/generic/isastream.c: New file. * sysdeps/generic/getmsg.c: New file. * sysdeps/generic/getpmsg.c: New file. * sysdeps/generic/putmsg.c: New file. * sysdeps/generic/putpmsg.c: New file. * sysdeps/generic/fattach.c: New file. * sysdeps/generic/fdetach.c: New file. * sysdeps/unix/inet/Subdirs: Add streams. * sysdeps/generic/bits/types.h: Add definition of __t_scalar_t and __t_uscalar_t. * sysdeps/unix/sysv/linux/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Likewise. * sysdeps/mach/_strerror.c: Follow changes of generic version to handle small buffers correctly. 1998-01-24 17:31 H.J. Lu * sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Remove the 3rd arg and add declaration for _dl_runtime_resolve and _dl_runtime_profile. 1998-01-25 02:42 Ulrich Drepper * include/cpio.h: New file. Mainly copied from GNU cpio. * posix/Makefile (headers): Add cpio.h. --- db2/common/db_appinit.c | 7 +-- db2/common/db_apprec.c | 129 +++++++++++++++++++++++++++++++----------------- db2/common/db_err.c | 28 ++++++++--- db2/common/db_region.c | 77 ++++++++++++++++++----------- db2/common/db_shash.c | 10 ++-- 5 files changed, 160 insertions(+), 91 deletions(-) (limited to 'db2/common') diff --git a/db2/common/db_appinit.c b/db2/common/db_appinit.c index 05fc7cc084..4ee9e4f40c 100644 --- a/db2/common/db_appinit.c +++ b/db2/common/db_appinit.c @@ -8,7 +8,7 @@ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)db_appinit.c 10.37 (Sleepycat) 11/25/97"; +static const char sccsid[] = "@(#)db_appinit.c 10.38 (Sleepycat) 1/7/98"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES @@ -69,7 +69,8 @@ db_appinit(db_home, db_config, dbenv, flags) { FILE *fp; int ret; - char *lp, **p, buf[MAXPATHLEN * 2]; + char * const *p; + char *lp, buf[MAXPATHLEN * 2]; /* Validate arguments. */ if (dbenv == NULL) @@ -104,7 +105,7 @@ db_appinit(db_home, db_config, dbenv, flags) goto err; /* Parse the config array. */ - for (p = (char **)db_config; p != NULL && *p != NULL; ++p) + for (p = db_config; p != NULL && *p != NULL; ++p) if ((ret = __db_parse(dbenv, *p)) != 0) goto err; diff --git a/db2/common/db_apprec.c b/db2/common/db_apprec.c index 188c6b9f95..7a42e13317 100644 --- a/db2/common/db_apprec.c +++ b/db2/common/db_apprec.c @@ -11,12 +11,13 @@ static const char copyright[] = "@(#) Copyright (c) 1997\n\ Sleepycat Software Inc. All rights reserved.\n"; -static const char sccsid[] = "@(#)db_apprec.c 10.19 (Sleepycat) 11/23/97"; +static const char sccsid[] = "@(#)db_apprec.c 10.23 (Sleepycat) 1/17/98"; #endif #ifndef NO_SYSTEM_INCLUDES #include +#include #include #include #include @@ -44,9 +45,9 @@ __db_apprec(dbenv, flags) { DBT data; DB_LOG *lp; - DB_LSN ckp_lsn, first_lsn, lsn, tmp_lsn; + DB_LSN ckp_lsn, first_lsn, lsn; time_t now; - int first_flag, is_thread, ret; + int is_thread, ret; void *txninfo; lp = dbenv->lg_info; @@ -63,73 +64,109 @@ __db_apprec(dbenv, flags) F_CLR(lp, DB_AM_THREAD); /* - * Read forward through the log, opening the appropriate files so that - * we can call recovery routines. In general, we start at the last - * checkpoint prior to the last checkpointed LSN. For catastrophic - * recovery, we begin at the first LSN that appears in any log file - * (log_get figures this out for us when we pass it the DB_FIRST flag). + * Recovery is done in three passes: + * Pass #1: + * Read forward through the log from the last checkpoint to the + * end of the log, opening and closing files so that at the end + * of the log we have the "current" set of files open. + * Pass #2: + * Read backward through the log undoing any uncompleted TXNs. + * If doing catastrophic recovery, we read to the beginning of + * the log, otherwise, to the most recent checkpoint that occurs + * before the most recent checkpoint LSN, which is returned by + * __log_findckp(). During this pass, checkpoint file information + * is ignored, and file openings and closings are undone. + * Pass #3: + * Read forward through the log from the LSN found in pass #2, + * redoing any committed TXNs. During this pass, checkpoint + * file information is ignored, and file openings and closings + * are redone. */ - if (LF_ISSET(DB_RECOVER_FATAL)) - first_flag = DB_FIRST; - else { - if ((ret = __log_findckp(lp, &lsn)) == DB_NOTFOUND) - goto out; - first_flag = DB_SET; - } - /* If we're a threaded application, we have to allocate space. */ + /* + * Find the last checkpoint in the log. This is the point from which + * we want to begin pass #1 (the TXN_OPENFILES pass). + */ memset(&data, 0, sizeof(data)); - if ((ret = log_get(lp, &lsn, &data, first_flag)) != 0) { - __db_err(dbenv, "Failure: unable to get log record"); - if (first_flag == DB_SET) - __db_err(dbenv, "Retrieving LSN %lu %lu", - (u_long)lsn.file, (u_long)lsn.offset); - else - __db_err(dbenv, "Retrieving first LSN"); - goto out; + if ((ret = log_get(lp, &ckp_lsn, &data, DB_CHECKPOINT)) != 0) { + /* + * If we don't find a checkpoint, start from the beginning. + * If that fails, we're done. Note, we require that there + * be log records if we're performing recovery, and fail if + * there aren't. + */ + if ((ret = log_get(lp, &ckp_lsn, &data, DB_FIRST)) != 0) { + __db_err(dbenv, "First log record not found"); + if (ret == DB_NOTFOUND) + ret = EINVAL; + goto out; + } } - first_lsn = lsn; + /* + * Now, ckp_lsn is either the lsn of the last checkpoint or the lsn + * of the first record in the log. Begin the TXN_OPENFILES pass from + * that lsn, and proceed to the end of the log. + */ + lsn = ckp_lsn; for (;;) { ret = __db_dispatch(lp, &data, &lsn, TXN_OPENFILES, txninfo); if (ret != 0 && ret != DB_TXN_CKP) goto msgerr; - if ((ret = - log_get(dbenv->lg_info, &lsn, &data, DB_NEXT)) != 0) { - if (ret != DB_NOTFOUND) - goto out; - break; + if ((ret = log_get(lp, &lsn, &data, DB_NEXT)) != 0) { + if (ret == DB_NOTFOUND) + break; + goto out; } } /* - * Initialize the ckp_lsn to 0,0. If we never find a valid - * checkpoint in the log, then leaving ckp_lsn at 0,0 is correct. + * Pass #2. + * + * Before we can begin pass #2, backward roll phase, we determine how + * far back in the log to recover. If we are doing catastrophic + * recovery, then we go as far back as we have files. If we are + * doing normal recovery, we go as back to the most recent checkpoint + * that occurs before the most recent checkpoint LSN. */ - ZERO_LSN(ckp_lsn); + if (LF_ISSET(DB_RECOVER_FATAL)) { + ZERO_LSN(first_lsn); + } else + if ((ret = __log_findckp(lp, &first_lsn)) == DB_NOTFOUND) { + /* + * If recovery was specified, there must be log files. + * If we don't find one, it's an error. (This should + * have been caught above, when a log_get() of DB_FIRST + * or DB_CHECKPOINT succeeded, but paranoia is good.) + */ + ret = EINVAL; + goto out; + } for (ret = log_get(lp, &lsn, &data, DB_LAST); ret == 0 && log_compare(&lsn, &first_lsn) > 0; - ret = log_get(lp,&lsn, &data, DB_PREV)) { - tmp_lsn = lsn; + ret = log_get(lp, &lsn, &data, DB_PREV)) { ret = __db_dispatch(lp, &data, &lsn, TXN_BACKWARD_ROLL, txninfo); - if (ret == DB_TXN_CKP) { - if (IS_ZERO_LSN(ckp_lsn)) - ckp_lsn = tmp_lsn; - ret = 0; - } else if (ret != 0) - goto msgerr; + if (ret != 0) + if (ret != DB_TXN_CKP) + goto msgerr; + else + ret = 0; } if (ret != 0 && ret != DB_NOTFOUND) goto out; + /* + * Pass #3. + */ for (ret = log_get(lp, &lsn, &data, DB_NEXT); ret == 0; ret = log_get(lp, &lsn, &data, DB_NEXT)) { ret = __db_dispatch(lp, &data, &lsn, TXN_FORWARD_ROLL, txninfo); - if (ret == DB_TXN_CKP) - ret = 0; - else if (ret != 0) - goto msgerr; + if (ret != 0) + if (ret != DB_TXN_CKP) + goto msgerr; + else + ret = 0; } if (ret != DB_NOTFOUND) goto out; @@ -149,7 +186,7 @@ __db_apprec(dbenv, flags) goto out; if (dbenv->db_verbose) { - __db_err(lp->dbenv, "Recovery complete at %s", ctime(&now)); + __db_err(lp->dbenv, "Recovery complete at %.24s", ctime(&now)); __db_err(lp->dbenv, "%s %lu %s [%lu][%lu]", "Maximum transaction id", (u_long)dbenv->tx_info->region->last_txnid, diff --git a/db2/common/db_err.c b/db2/common/db_err.c index 13f2cb5dc3..fc59aadbaf 100644 --- a/db2/common/db_err.c +++ b/db2/common/db_err.c @@ -8,7 +8,7 @@ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)db_err.c 10.19 (Sleepycat) 11/9/97"; +static const char sccsid[] = "@(#)db_err.c 10.21 (Sleepycat) 1/13/98"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES @@ -97,7 +97,9 @@ __db_ecursor(a, b, c) DB_TXN *b; DBC **c; { - a = a; b = b; c = c; /* XXX: Shut the compiler up. */ + COMPQUIET(a, NULL); + COMPQUIET(b, NULL); + COMPQUIET(c, NULL); return (EPERM); } @@ -113,7 +115,10 @@ __db_edel(a, b, c, d) DBT *c; int d; { - a = a; b = b; c = c; d = d; /* XXX: Shut the compiler up. */ + COMPQUIET(a, NULL); + COMPQUIET(b, NULL); + COMPQUIET(c, NULL); + COMPQUIET(d, 0); return (EPERM); } @@ -127,7 +132,8 @@ __db_efd(a, b) DB *a; int *b; { - a = a; b = b; /* XXX: Shut the compiler up. */ + COMPQUIET(a, NULL); + COMPQUIET(b, NULL); return (EPERM); } @@ -143,7 +149,11 @@ __db_egp(a, b, c, d, e) DBT *c, *d; int e; { - a = a; b = b; c = c; d = d; e = e; /* XXX: Shut the compiler up. */ + COMPQUIET(a, NULL); + COMPQUIET(b, NULL); + COMPQUIET(c, NULL); + COMPQUIET(d, NULL); + COMPQUIET(e, 0); return (EPERM); } @@ -159,7 +169,10 @@ __db_estat(a, b, c, d) void *(*c) __P((size_t)); int d; { - a = a; b = b; c = c; d = d; /* XXX: Shut the compiler up. */ + COMPQUIET(a, NULL); + COMPQUIET(b, NULL); + COMPQUIET(c, NULL); + COMPQUIET(d, 0); return (EPERM); } @@ -173,7 +186,8 @@ __db_esync(a, b) DB *a; int b; { - a = a; b = b; /* XXX: Shut the compiler up. */ + COMPQUIET(a, NULL); + COMPQUIET(b, 0); return (EPERM); } diff --git a/db2/common/db_region.c b/db2/common/db_region.c index 4fc603a2b0..02d939e3e6 100644 --- a/db2/common/db_region.c +++ b/db2/common/db_region.c @@ -43,7 +43,7 @@ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)db_region.c 10.18 (Sleepycat) 11/28/97"; +static const char sccsid[] = "@(#)db_region.c 10.21 (Sleepycat) 1/16/98"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES @@ -168,6 +168,8 @@ __db_rinit(dbenv, rp, fd, size, lock_region) { int ret; + COMPQUIET(dbenv, NULL); + /* * Initialize the common information. * @@ -190,6 +192,12 @@ __db_rinit(dbenv, rp, fd, size, lock_region) * been initialized in which case an attempt to get it could lead to * random behavior. If the version number isn't there (the file size * is too small) or it's 0, we know that the region is being created. + * + * We also make sure to check the return of __db_mutex_lock() here, + * even though we don't usually check elsewhere. This is the first + * lock we attempt to acquire, and if it fails we have to know. (It + * can fail -- SunOS, using fcntl(2) for locking, with an in-memory + * filesystem specified as the database home.) */ __db_mutex_init(&rp->lock, MUTEX_LOCK_OFFSET(rp, &rp->lock)); if (lock_region && (ret = __db_mutex_lock(&rp->lock, fd)) != 0) @@ -219,7 +227,8 @@ __db_ropen(dbenv, appname, path, file, flags, fdp, retp) void *retp; { RLAYOUT *rp; - off_t size1, size2; + size_t size; + u_int32_t mbytes, bytes; int fd, ret; char *name; @@ -251,19 +260,20 @@ __db_ropen(dbenv, appname, path, file, flags, fdp, retp) * flatly impossible. Hope that mmap fails if the file is too large. * */ - if ((ret = __db_ioinfo(name, fd, &size1, NULL)) != 0) { + if ((ret = __db_ioinfo(name, fd, &mbytes, &bytes, NULL)) != 0) { __db_err(dbenv, "%s: %s", name, strerror(ret)); goto err2; } + size = mbytes * MEGABYTE + bytes; /* Check to make sure the first block has been written. */ - if ((size_t)size1 < sizeof(RLAYOUT)) { + if (size < sizeof(RLAYOUT)) { ret = EAGAIN; goto err2; } /* Map in whatever is there. */ - if ((ret = __db_rmap(dbenv, fd, size1, &rp)) != 0) + if ((ret = __db_rmap(dbenv, fd, size, &rp)) != 0) goto err2; /* @@ -284,11 +294,11 @@ __db_ropen(dbenv, appname, path, file, flags, fdp, retp) * getting the size of the file and checking the major version. Check * to make sure we got the entire file. */ - if ((ret = __db_ioinfo(name, fd, &size2, NULL)) != 0) { + if ((ret = __db_ioinfo(name, fd, &mbytes, &bytes, NULL)) != 0) { __db_err(dbenv, "%s: %s", name, strerror(ret)); goto err1; } - if (size1 != size2) { + if (size != mbytes * MEGABYTE + bytes) { ret = EAGAIN; goto err1; } @@ -490,11 +500,9 @@ __db_rgrow(dbenv, fd, incr) int fd; size_t incr; { -#ifdef MMAP_INIT_NEEDED size_t i; -#endif ssize_t nw; - int ret; + int mmap_init_needed, ret; char buf[__DB_VMPAGESIZE]; /* Seek to the end of the region. */ @@ -506,33 +514,42 @@ __db_rgrow(dbenv, fd, incr) /* * Historically, some systems required that all of the bytes of the - * region be written before you could mmap it and access it randomly. + * region be written before it could be mmapped and accessed randomly. + * + * Windows/95 doesn't have that problem, but it leaves file contents + * uninitialized. Win/NT apparently initializes them. */ #ifdef MMAP_INIT_NEEDED - /* Extend the region by writing each new page. */ - for (i = 0; i < incr; i += __DB_VMPAGESIZE) { + mmap_init_needed = 1; +#else + mmap_init_needed = __os_oldwin(); +#endif + if (mmap_init_needed) + /* Extend the region by writing each new page. */ + for (i = 0; i < incr; i += __DB_VMPAGESIZE) { + if ((ret = __db_write(fd, buf, sizeof(buf), &nw)) != 0) + goto err; + if (nw != sizeof(buf)) + goto eio; + } + else { + /* + * Extend the region by writing the last page. + * + * Round off the increment to the next page boundary. + */ + incr += __DB_VMPAGESIZE - 1; + incr -= incr % __DB_VMPAGESIZE; + + /* Write the last page, not the page after the last. */ + if ((ret = + __db_seek(fd, 0, 0, incr - __DB_VMPAGESIZE, SEEK_CUR)) != 0) + goto err; if ((ret = __db_write(fd, buf, sizeof(buf), &nw)) != 0) goto err; if (nw != sizeof(buf)) goto eio; } -#else - /* - * Extend the region by writing the last page. - * - * Round off the increment to the next page boundary. - */ - incr += __DB_VMPAGESIZE - 1; - incr -= incr % __DB_VMPAGESIZE; - - /* Write the last page, not the page after the last. */ - if ((ret = __db_seek(fd, 0, 0, incr - __DB_VMPAGESIZE, SEEK_CUR)) != 0) - goto err; - if ((ret = __db_write(fd, buf, sizeof(buf), &nw)) != 0) - goto err; - if (nw != sizeof(buf)) - goto eio; -#endif return (0); eio: ret = EIO; diff --git a/db2/common/db_shash.c b/db2/common/db_shash.c index 988de8a994..ab188f564f 100644 --- a/db2/common/db_shash.c +++ b/db2/common/db_shash.c @@ -8,7 +8,7 @@ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)db_shash.c 10.3 (Sleepycat) 6/21/97"; +static const char sccsid[] = "@(#)db_shash.c 10.4 (Sleepycat) 1/8/98"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES @@ -21,8 +21,8 @@ static const char sccsid[] = "@(#)db_shash.c 10.3 (Sleepycat) 6/21/97"; /* Powers-of-2 and close-by prime number pairs. */ static const struct { - int power; - int prime; + u_int power; + u_int prime; } list[] = { { 64, 67}, { 128, 131}, @@ -39,11 +39,11 @@ static const struct { * __db_tablesize -- * Choose a size for the hash table. * - * PUBLIC: int __db_tablesize __P((int)); + * PUBLIC: int __db_tablesize __P((u_int)); */ int __db_tablesize(n_buckets) - int n_buckets; + u_int n_buckets; { int i; -- cgit v1.2.3