Age | Commit message (Collapse) | Author | Files |
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* src/bucket.c (_gdbm_split_bucket): When splitting the bucket, check
if hash values are within allowed range.
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* src/bucket.c (_gdbm_cache_init): Accept sizes greater than the
directory size.
* src/gdbmsetopt.c (setopt_gdbm_getdbformat): Return 0 on success.
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* src/bucket.c (lru_unlink_elem): Take into account the possibility
that dbf->cache_mru can be NULL.
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The implementation of _gdbm_cache_flush becomes prohibitively
inefficient during extensive updates of large databases. The
bug was reported at https://github.com/Perl/perl5/issues/19306.
To fix it, make sure that all changed cache entries are placed at
the head of the cache_mru list, forming a contiguous sequence.
This way a potentially long iteration over all cache entries can be
cut off at the first entry with ca_changed == FALSE.
This commit also gets rid of several superfluous fields in
struct gdbm_file_info:
- cache_entry
Not needed, because the most recently used cache entry
(cache_mru) is always the current one.
- bucket_changed
dbf->cache_mru->ca_changed reflects the status of the current
bucket.
- second_changed
Not needed because _gdbm_cache_flush, which flushes all changed
buckets, is now invoked unconditionally by _gdbm_end_update (and
also whenever dbf->cache_mru changes).
* src/gdbmdefs.h (struct gdbm_file_info): Remove cache_entry. The
current cache entry is cache_mru.
Remove bucket_changed, and second_changed.
All uses changed.
* src/proto.h (_gdbm_current_bucket_changed): New inline function.
* src/bucket.c (_gdbm_cache_flush): Assume all changed elements form
a contiguous sequence beginning with dbf->cache_mru.
(set_cache_entry): Remove. All callers changed.
(lru_link_elem,lru_unlink_elem): Update dbf->bucket as necessary.
(cache_lookup): If the obtained bucket is not changed and is going
to become current, flush all changed cache elements.
* src/update.c (_gdbm_end_update): Call _gdbm_cache_flush unconditionally.
* src/findkey.c: Use dbf->cache_mru instead of the removed dbf->cache_entry.
* src/gdbmseq.c: Likewise.
* tools/gdbmshell.c (_gdbm_print_bucket_cache): Likewise.
* src/falloc.c: Use _gdbm_current_bucket_changed to mark the current
bucket as changed.
* src/gdbmstore.c: Likewise.
* src/gdbmdelete.c: Likewise. Use _gdbm_current_bucket_changed.
* tests/gtcacheopt.c: Fix typo.
* tests/gtload.c: New option: -cachesize
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* src/cachetree.c: Remove.
* src/Makefile.am: Remove cachetree.c
* doc/gdbm.texi: Document the changes.
* src/bucket.c (cache_tab_lookup_slot)
(cache_tab_resize): New function.
(cache_elem_new): Initialize ca_coll.
(cache_elem_free, cache_lookup)
(_gdbm_cache_init,_gdbm_cache_free): Rewrite with hash-based cache lookup.
(_gdbm_fetch_data): Remove unused function.
* src/gdbm.h.in (GDBM_GETDBFORMAT, GDBM_GETDIRDEPTH)
(GDBM_GETBUCKETSIZE, GDBM_GETCACHEAUTO, GDBM_SETCACHEAUTO): New option codes.
* src/gdbmdefs.h (cache_node): Remove.
(cache_elem): Remove ca_node. Add ca_coll (collision resolution pointer).
(gdbm_file_info): New members: cache_auto, cache_bits, cache.
* src/gdbmopen.c (gdbm_fd_open): Change cache initialization.
* src/gdbmsetopt.c (GDBM_GETDBFORMAT,GDBM_GETDIRDEPTH)
(GDBM_GETBUCKETSIZE,GDBM_GETCACHEAUTO)
(GDBM_SETCACHEAUTO): Implement new options.
(setopt_gdbm_getflags): Reflect the state of GDBM_CLOEXEC and GDBM_NUMSYNC.
* src/proto.h (_gdbm_fetch_data,_gdbm_cache_tree_alloc)
(_gdbm_cache_tree_destroy,_gdbm_cache_tree_delete)
(_gdbm_cache_tree_lookup): Remove protos.
* src/recover.c (_gdbm_finish_transfer): Restore original cache settings.
* tests/Makefile.am: Add new test.
* tests/testsuite.at: Likewise.
* tests/gtcacheopt.c: New file.
* tests/setopt02.at: New test case.
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This fixes https://oss-fuzz.com/testcase-detail/6317999997452288
and improves 4046a0af.
* src/bucket.c (gdbm_dir_entry_valid_p): Move to proto.
* src/proto.h (gdbm_dir_entry_valid_p): New inline function.
* src/gdbmseq.c (gdbm_valid_key_p): Use gdbm_dir_entry_valid_p to
validate the buffer index. Reorder the checks.
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This provides for the optimal performance.
Additional GDBM_XVERIFY flag can be used when opening the database
to request extended database verification (entire avail stack will be
checked).
* src/bucket.c (cache_lookup): Handle cache_size == GDBM_CACHE_AUTO.
(_gdbm_cache_init): Likewise.
* src/gdbm.h.in (GDBM_XVERIFY): New flag to gdbm_open.
(GDBM_CACHE_AUTO): New constant.
Define error constants within enum.
Fix definition of GDBM_BAD_HASH_ENTRY.
* src/gdbmclose.c: Fix misleading comment.
* src/gdbmconst.h: Define DEFAULT_CACHESIZE to be GDBM_CACHE_AUTO.
* src/gdbmopen.c (gdbm_fd_open): Call gdbm_avail_verify if
the GDBM_XVERIFY flag is set.
* doc/gdbm.texi: Update.
* doc/gdbm.3: Update.
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* src/bucket.c (gdbm_dir_entry_valid_p): Inline
(cache_lookup): Keep track of cache hits.
(_gdbm_get_bucket): Check the cache_entry first.
(gdbm_get_cache_stats): Change signature. Return the per-db
number of cache hits as well.
* src/cachetree.c: Inline static functions.
(_gdbm_cache_tree_lookup): Avoid extra level of indirection
(nodeptr) at the expense of one additional comparison.
* src/gdbm.h.in (gdbm_get_cache_stats): Change signature.
* src/gdbmdefs.h (gdbm_file_info) <cache_hits>: New member.
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* src/bucket.c (cache_lookup): Try to recover from ENOMEM by freeing
the least recently used cache entry.
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* src/bucket.c (_gdbm_cache_init): Minimum cache capacity is 1.
* src/cachetree.c (_gdbm_cache_tree_lookup): Fix the description.
(_gdbm_cache_tree_destroy): Speed up the tree traversal.
* src/gdbmsetopt.c (setopt_gdbm_setcachesize): Don't enforce
minimal cache capacity.
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* src/gdbmdefs.h (cache_elem): Place one hash_bucket element at the
end of the structure so it can be allocated along with it.
* src/bucket.c (cache_elem_new): Allocate enough space for cache_elem
and dbf->header->bucket_size hash bucket within.
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* src/bucket.c (_gdbm_cache_elem_new): Rename to cache_elem_new.
Make static.
(cache_lookup): Allocate new elem if _gdbm_cache_tree_lookup
returned node_new.
* src/cachetree.c (cache_tree): Remove dbf.
(_gdbm_cache_tree_delete): Use node->adr.
(cache_tree_lookup): Rename to _gdbm_cache_tree_lookup. Change
signature. Return pointer to the (found or inserted) node. Don't
allocate elem, this is responsibility of the caller.
(_gdbm_cache_tree_alloc): Change signature.
* src/gdbmdefs.h (cache_node): New definition (from cachetree.c)
* src/proto.h: Fix protos.
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* src/proto.h (_gdbm_cache_tree_delete): Remove.
(_gdbm_rbt_remove_node): Rename to _gdbm_cache_tree_delete.
All uses changed
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The new bucket cache uses the least recently used replacement
policy (instead of the least recently read, implemented previously).
It also allows for quick bucket lookups by the corresponding
disk address. To this effect the cache entries form a red-black
tree sorted by bucket address.
Additionally, data buckets are also cached.
* README: Describe the new branch.
* src/bucket.c: Rewrite cache support.
* src/cachetree.c: New file.
* src/Makefile.am: Add new file.
* src/findkey.c (_gdbm_read_entry): Use _gdbm_fetch_data.
This ensures data pages are cached as well as buckets.
* src/gdbm.h.in (GDBM_BUCKET_CACHE_CORRUPTED): New error code.
(gdbm_cache_stat): New struct.
(gdbm_get_cache_stats): New proto.
* src/gdbmclose.c (gdbm_close): Call _gdbm_cache_free to dispose
of the cache.
* src/gdbmdefs.h (cache_elem_color): New data type.
(cache_elem): New members: ca_left, ca_right, ca_node, and
ca_hits.
(cache_tree): New typedef.
(gdbm_file_info): Remove bucket_cache and last_read.
New fields: cache_num, cache_tree, cache_mru, cache_lru,
cache_avail, cache_access_count.
* src/gdbmerrno.c: Handle GDBM_BUCKET_CACHE_CORRUPTED.
* src/gdbmopen.c (gdbm_fd_open): Change cache initialization.
(_gdbm_init_cache, _gdbm_cache_entry_invalidate: Remove.
* src/gdbmsetopt.c (setopt_gdbm_setcachesize): Cache can be
re-initialized on the fly.
* src/gdbmtool.c: Change bucket printing routines.
* src/proto.h (_gdbm_read_bucket_at): Remove.
(_gdbm_fetch_data,_gdbm_cache_init,_gdbm_cache_free)
(_gdbm_cache_flush,_gdbm_cache_elem_new)
(_gdbm_cache_tree_alloc,_gdbm_cache_tree_destroy)
(_gdbm_cache_tree_delete,_gdbm_rbt_remove_node)
(_gdbm_cache_tree_lookup): New protos.
(_gdbm_init_cache,_gdbm_cache_entry_invalidate): Remove.
* src/recover.c (_gdbm_finish_transfer): Adapt to the new
cache structure.
* src/update.c: Likewise.
* tests/setopt00.at: Fix second GDBM_SETCACHESIZE test.
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Bug reported by Miroslav Lichvar and Marek Skalický
* src/bucket.c (gdbm_dir_entry_valid_p): Fix lower limit for
the allowed bucket address. Initial allocation of second block
for the directory can be eventually returned to the available
list when the directory is expanded during bucket splitting.
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* src/bucket.c (_gdbm_split_bucket): Take into account coalesce_blocks
* src/falloc.c (_gdbm_put_av_elem): Change to void return. All uses changed.
* src/proto.h: Likewise.
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* configure.ac: Version 1.5
* NEWS: Update.
* src/Makefile.am (VI_CURRENT): Increment to 6
* src/bucket.c (_gdbm_get_bucket): Fix the upper limit for
bucket_bits.
* src/falloc.c (push_avail_block): Fill the allocated block
with 0s.
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* src/bucket.c (_gdbm_get_bucket): Check if bucket_bits value is valid.
* src/gdbmtool.c (_gdbm_print_avail_list): Reverse the sense of the
conditional (fix regression).
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Rename: __read to gdbm_file_read
__write to gdbm_file_write
__lseek to gdbm_file_seek
__fsync to gdbm_file_sync
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The hooks were introduced as a temporary tool in de7834e9. They did
their job and are not necessary any more.
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Verify that avail_table is sorted by size and that each element's
size falls within allowed range.
* src/bucket.c (gdbm_get_bucket): Fix bucket validation. Validate
bucket_avail.
(_gdbm_split_bucket): Check return from _gdbm_free.
* src/falloc.c (adjust_bucket_avail,_gdbm_free): Return error code.
All uses updated.
(pop_avail_block): Fix eventual memory leak. Use gdbm_avail_block_validate.
* src/gdbmdefs.h (gdbm_avail_table_valid_p): Change signature.
* src/gdbmopen.c (gdbm_avail_table_valid_p): Traverse the array verifying
address and size of each element.
(gdbm_avail_block_validate)
(gdbm_bucket_avail_table_validate): New functions.
(validate_header): Remove call to gdbm_avail_block_valid_p. Avail_block
is validated later, after it's been loaded.
Bail out if header->next_block does not equal the file size.
(gdbm_fd_open): Validate avail_block.
* src/gdbmstore.c (_gdbm_store): Check return from _gdbm_free. Avoid
endless loop in case of inconsistent h_table.
* src/gdbmtool.c (_gdbm_print_avail_list): Use gdbm_avail_block_validate.
* src/proto.h: Update.
* tests/gtload.c: Improve error diagnostics.
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* NEWS: Update.
* THANKS: Update.
* src/bucket.c (_gdbm_get_bucket): Check if directory entry is
valid. Don't cache invalid buckets.
* src/gdbm.h.in (GDBM_BAD_DIR_ENTRY): New error code.
* src/gdbmerrno.c: Likewise.
* src/gdbmopen.c (validate_header): Compute expected
number of bucket elements based on the bucket size, not on
the block size.
(_gdbm_init_cache_entry): New function.
* src/proto.h (_gdbm_init_cache_entry): New proto.
* src/recover.c (gdbm_recover): Clear error state after return
from check_db indicating failure.
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* src/bucket.c (_gdbm_get_bucket): Improve validation.
* src/fullio.c (_gdbm_full_read,_gdbm_full_write): Don't overwrite
an already set error.
* src/gdbm.h.in (GDBM_WRONG_OFF_T): Merge with GDBM_BAD_FILE_OFFSET.
(GDBM_BAD_HEADER): New error code.
* src/gdbmdump.c (_gdbm_dump_ascii): Check for database error code.
* src/gdbmerrno.c (gdbm_errlist): Add GDBM_BAD_HEADER
* src/gdbmopen.c (validate_header: Imporve logic.
(_gdbm_init_cache): Initialize bucket_cache
* src/gdbmseq.c (gdbm_firstkey): Check return value
from _gdbm_get_bucket.
* src/mmap.c (_gdbm_mapped_remap): Bail out if current position is bigger
than file size.
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* src/bucket.c (_gdbm_get_bucket): Verify bucket consistency.
* src/gdbm.h.in (GDBM_BAD_BUCKET, GDBM_WRONG_ARCH): New error
codes.
* src/gdbmerrno.c (gdbm_errlist): New error codes.
* src/gdbmopen.c (gdbm_fd_open): Improve header consistency checks.
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* doc/gdbm.texi: Remove description of GDBM_UNKNOWN_UPDATE.
Document GDBM_DIR_OVERFLOW.
* src/gdbm.h.in (GDBM_ERR_DIR_OVERFLOW): Rename to GDBM_DIR_OVERFLOW.
(GDBM_UNKNOWN_ERROR): New error code.
(GDBM_UNKNOWN_UPDATE): Define to GDBM_UNKNOWN_ERROR for
backward compatibility.
* src/gdbmerrno.c (gdbm_strerror, gdbm_db_strerror): Simplify a bit
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* src/bucket.c (_gdbm_split_bucket): Avoid range error
when doubling directory size.
* src/gdbm.h.in (GDBM_ERR_DIR_OVERFLOW): New error code.
* src/gdbmerrno.c (gdbm_errlist): Describe GDBM_ERR_DIR_OVERFLOW.
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* src/bucket.c (_gdbm_read_bucket_at): Remove unused variable.
* src/debug.c: Include ctype.h
(datbuf_format): Don't use sprintf; Precede each output line
with data offset.
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Use the GDBM_SET_ERRNO and GDBM_SET_ERRNO2 macros to make
sure the error gets reported in debug output.
* src/fullio.c (_gdbm_full_read)
(_gdbm_full_write): Return -1 and set gdbm_errno
on error.
* src/bucket.c: Use GDBM_SET_ERRNO(2?) or
GDBM_DEBUG where necessary.
* src/falloc.c: Likewise.
* src/findkey.c: Likewise.
* src/gdbmdefs.h: Likewise.
* src/gdbmopen.c: Likewise.
* src/gdbmstore.c: Likewise.
* src/mmap.c: Likewise.
* src/recover.c: Likewise.
* src/update.c: Likewise.
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* src/gdbmdefs.h (GDBM_SET_ERRNO)
(GDBM_SET_ERRNO2): New macros.
* src/base64.c: Use new macros to set error state.
* src/bucket.c: Likewise.
* src/falloc.c: Likewise.
* src/findkey.c: Likewise.
* src/gdbm_load.c: Likewise.
* src/gdbmdelete.c: Likewise.
* src/gdbmdump.c: Likewise.
* src/gdbmexp.c: Likewise.
* src/gdbmfetch.c: Likewise.
* src/gdbmimp.c: Likewise.
* src/gdbmload.c: Likewise.
* src/gdbmopen.c: Likewise.
* src/gdbmseq.c: Likewise.
* src/gdbmsetopt.c: Likewise.
* src/gdbmstore.c: Likewise.
* src/gdbmtool.c: Fix preprocessor conditional.
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* configure.ac: New option --enable-debug
Print feature summary at the end of the run.
* src/debug.c: New file.
* src/Makefile.am [GDBM_COND_DEBUG_ENABLE]: Build debug.o
Define GDBM_DEBUG_ENABLE.
* src/gdbmdefs.h [GDBM_DEBUG_ENABLE] (_gdbm_debug_hook_install)
(_gdbm_debug_hook_remove,_gdbm_debug_hook_check)
(_gdbm_debug_hook_val): New protos.
(GDBM_DEBUG_HOOK, GDBM_DEBUG_OVERRIDE)
(GDBM_DEBUG_ALLOC): New defines.
* src/gdbm.h.in (GDBM_RCVR_FORCE): New flag.
* src/recover.c (gdbm_recover): Check database before attempting
recovery, unless GDBM_RCVR_FORCE flag is set.
* doc/gdbm.texi: Document GDBM_RCVR_FORCE
* src/gdbmreorg.c (gdbm_reorganize): Use GDBM_RCVR_FORCE.
* src/gdbmtool.c (main): Always allocate file_name.
* src/bucket.c: Put GDBM_DEBUG_OVERRIDE and GDBM_DEBUG_ALLOC
in critical places.
* src/falloc.c: Likewise.
* src/findkey.c: Likewise.
* src/gdbmopen.c: Likewise.
* src/gdbmstore.c: Likewise.
* src/update.c: Likewise.
* tests/Makefile.am [GDBM_COND_DEBUG_ENABLE]: Define GDBM_DEBUG_ENABLE.
* tests/gtload.c: New options -hook, -recover, -verbose,
-backup, -max-failures, -max-failed-keys,
and -max-failed-buckets.
Attempt recovery after errors.
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* configure.ac: Don't check for rename.
* src/Makefile.am (libgdbm_la_SOURCES): Add recover.c
* src/recover.c: New file.
* src/bucket.c (_gdbm_get_bucket): Remove extra space before [
* src/err.c (prerror): Take additional argument
(gdbm_perror): Print system errno if necessary.
* src/gdbm.h.in (GDBM_CLOERROR): New flag.
(gdbm_fd_open, gdbm_copy_meta): New proto.
(gdbm_last_syserr,gdbm_db_strerror,gdbm_recover): New proto.
(gdbm_syserr): New extern.
(gdbm_recovery): New struct.
(GDBM_RCVR_DEFAULT,GDBM_RCVR_ERRFUN)
(GDBM_RCVR_MAX_FAILED_KEYS)
(GDBM_RCVR_MAX_FAILED_BUCKETS)
(GDBM_RCVR_MAX_FAILURES)
(GDBM_RCVR_BACKUP): New flags.
(GDBM_BACKUP_FAILED): New error code.
* src/gdbmclose.c (gdbm_close): Work correctly if dbf->desc == -1.
* src/gdbmcount.c (gdbm_count): Remove spurious sorting.
Use _gdbm_next_bucket_dir for iterating over the buckets.
* src/gdbmdefs.h (struct gdbm_file_info)<last_syserror>
<last_errstr>: New members.
* src/gdbmerrno.c (gdbm_set_errno): Set last_syserror as well.
(gdbm_clear_error): Reset last_syserror.
(gdbm_last_syserr): New function.
(gdbm_errlist): New entry for GDBM_BACKUP_FAILED.
(gdbm_db_strerror): New function.
(gdbm_syserr): New global.
* src/gdbmload.c (get_parms): Buffer can be NULL.
* src/gdbmopen.c (gdbm_fd_open): New function.
(gdbm_open): Rewrite as a wrapper over gdbm_fd_open.
* src/gdbmreorg.c (gdbm_reorganize): Rewrite as a wrapper
over gdbm_recover.
* src/proto.h (_gdbm_next_bucket_dir): New proto.
* src/gdbmtool.c: New command: recover.
* tests/.gitignore: Add gtrecover
* tests/gtrecover.c: New test program.
* tests/Makefile.am: Build gtrecover
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* src/gdbmconst.h (GDBM_HASH_BITS): New constant.
* src/bucket.c: Use GDBM_HASH_BITS instead of the
hardcoded value.
* src/findkey.c (_gdbm_findkey): Use _gdbm_hash_key.
* src/gdbmtool.c (hash_handler): Use _gdbm_hash_key if the
database is open.
* src/hash.c (_gdbm_bucket_dir, _gdbm_hash_key): New functions.
* src/proto.h (_gdbm_bucket_dir, _gdbm_hash_key): New protos.
* src/systems.h (STATBLKSIZE): Take a struct stat as argument.
* src/gdbmopen.c (STATBLKSIZE): Takes argument now.
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* src/bucket.c (_gdbm_get_bucket)
(_gdbm_split_bucket, _gdbm_write_bucket): Return error code. All callers
updated.
* src/proto.h (_gdbm_get_bucket)
(_gdbm_split_bucket, _gdbm_write_bucket): Update declarations
* src/falloc.c (push_avail_block)
(pop_avail_block): Return error code. All callers
updated.
* src/update.c (_gdbm_fatal): Exit only if the user defined
fatal_err function.
* src/gdbmerrno.c (gdbm_needs_recovery): New function.
* src/gdbm.h.in (gdbm_needs_recovery): New proto.
* compat/dbminit.c: Set gdbm_errno on fatal errors.
* compat/dbmopen.c: Likewise.
* src/findkey.c: Likewise.
* src/gdbm_load.c: Likewise.
* src/gdbmcount.c: Likewise.
* src/gdbmdefs.h: Likewise.
* src/gdbmdelete.c: Likewise.
* src/gdbmdump.c: Likewise.
* src/gdbmexists.c: Likewise.
* src/gdbmexp.c: Likewise.
* src/gdbmfetch.c: Likewise.
* src/gdbmimp.c: Likewise.
* src/gdbmload.c: Likewise.
* src/gdbmopen.c: Likewise.
* src/gdbmreorg.c: Likewise.
* src/gdbmseq.c: Likewise.
* src/gdbmsetopt.c: Likewise.
* src/gdbmstore.c: Likewise.
* src/gdbmsync.c: Likewise.
* src/mmap.c: Likewise.
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Last error code is stored in the database file structure as
well as in the global gdbm_errno. Special functions are provided
for retrieving and clearing the last error state.
* src/gdbmdefs.h (gdbm_file_info): New member: last_error
* src/gdbm.h.in (gdbm_last_errno, gdbm_set_errno)
(gdbm_clear_error): New protos.
* src/gdbmerrno.c (gdbm_last_errno, gdbm_set_errno)
(gdbm_clear_error): New functions
* NEWS: Update.
* compat/dbminit.c: Use gdbm_set_errno to set error state.
* compat/dbmopen.c: Likewise.
* src/bucket.c: Likewise.
* src/findkey.c: Likewise.
* src/gdbm_load.c: Likewise.
* src/gdbmcount.c: Likewise.
* src/gdbmdelete.c: Likewise.
* src/gdbmdump.c: Likewise.
* src/gdbmexists.c: Likewise.
* src/gdbmexp.c: Likewise.
* src/gdbmfetch.c: Likewise.
* src/gdbmimp.c: Likewise.
* src/gdbmload.c: Likewise.
* src/gdbmopen.c: Likewise.
* src/gdbmreorg.c: Likewise.
* src/gdbmseq.c: Likewise.
* src/gdbmsetopt.c: Likewise.
* src/gdbmstore.c: Likewise.
* src/gdbmsync.c: Likewise.
* src/mmap.c: Likewise.
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* doc/Config: Rewrite.
* doc/Makefile.am: Use Makeinfo 5 instead of texi2htm
* doc/gendocs_template: Ps is not built
* imprimatur: Upgrade.
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* configure.ac: Check for unsigned long long, define
substitution variable GDBM_COUNT_T.
* src/gdbmcount.c: New file.
* src/Makefile.am (libgdbm_la_SOURCES): Add gdbmcount.c.
* src/bucket.c (_gdbm_read_bucket_at): New function.
* src/gdbm.h.in (gdbm_count_t): New typedef.
(gdbm_count): New proto.
* src/gdbmdefs.h (GDBM_DIR_COUNT): New define.
* src/proto.h (_gdbm_read_bucket_at): New proto.
* src/var.c: New variable "filemode".
* src/gdbmtool.c: Use gdbm_count. Various bugfixes.
* NEWS: Update.
* doc/gdbm.texinfo: Update.
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Tolerate I/O operations returning less bytes than expected. Retry I/O
if possible.
* src/fullio.c: New file.
* src/Makefile.am (libgdbm_la_SOURCES): Add fullio.c
* src/proto.h (_gdbm_full_read)
(_gdbm_full_write): New protos.
* src/gdbmerrno.c (gdbm_errlist): Add entry for GDBM_FILE_EOF.
* src/bucket.c: Use _gdbm_full_{read|write}.
* src/falloc.c: Likewise.
* src/findkey.c: Likewise.
* src/gdbmopen.c: Likewise.
* src/gdbmstore.c: Likewise.
* src/testgdbm.c: Likewise.
* src/update.c: Likewise.
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* Makefile.am (SUBDIRS): Add po.
(EXTRA_DIST): Add build-aux/config.rpath.
* configure.ac (AC_CONFIG_FILES): Add po/Makefile.in.
* bootstrap: New file.
* src/Makefile.am (AM_CPPFLAGS): Define LOCALEDIR
(noinst_HEADERS): Add gettext.h
(LIBADD): New variable.
* src/gettext.h: New file.
* po/.cvsignore: New file.
* po/Makevars: New file.
* po/POTFILES.in: New file.
* src/gdbmdefs.h: Define DEFAULT_TEXT_DOMAIN, _, N_
Include gettext.h
* src/bucket.c: Add NLS markers.
* src/falloc.c: Likewise.
* src/findkey.c: Likewise.
* src/gdbmerrno.c: Likewise.
* src/gdbmfetch.c: Likewise.
* src/gdbmseq.c: Likewise.
* src/gdbmstore.c: Likewise.
* src/update.c: Likewise.
* src/testgdbm.c: Add NLS markers.
(main): Initialize I18N.
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