Commit graph

21 commits

Author SHA1 Message Date
monty@mysql.com/narttu.mysql.fi
088e2395f1 WL#3817: Simplify string / memory area types and make things more consistent (first part)
The following type conversions was done:

- Changed byte to uchar
- Changed gptr to uchar*
- Change my_string to char *
- Change my_size_t to size_t
- Change size_s to size_t

Removed declaration of byte, gptr, my_string, my_size_t and size_s. 

Following function parameter changes was done:
- All string functions in mysys/strings was changed to use size_t
  instead of uint for string lengths.
- All read()/write() functions changed to use size_t (including vio).
- All protocoll functions changed to use size_t instead of uint
- Functions that used a pointer to a string length was changed to use size_t*
- Changed malloc(), free() and related functions from using gptr to use void *
  as this requires fewer casts in the code and is more in line with how the
  standard functions work.
- Added extra length argument to dirname_part() to return the length of the
  created string.
- Changed (at least) following functions to take uchar* as argument:
  - db_dump()
  - my_net_write()
  - net_write_command()
  - net_store_data()
  - DBUG_DUMP()
  - decimal2bin() & bin2decimal()
- Changed my_compress() and my_uncompress() to use size_t. Changed one
  argument to my_uncompress() from a pointer to a value as we only return
  one value (makes function easier to use).
- Changed type of 'pack_data' argument to packfrm() to avoid casts.
- Changed in readfrm() and writefrom(), ha_discover and handler::discover()
  the type for argument 'frmdata' to uchar** to avoid casts.
- Changed most Field functions to use uchar* instead of char* (reduced a lot of
  casts).
- Changed field->val_xxx(xxx, new_ptr) to take const pointers.

Other changes:
- Removed a lot of not needed casts
- Added a few new cast required by other changes
- Added some cast to my_multi_malloc() arguments for safety (as string lengths
  needs to be uint, not size_t).
- Fixed all calls to hash-get-key functions to use size_t*. (Needed to be done
  explicitely as this conflict was often hided by casting the function to
  hash_get_key).
- Changed some buffers to memory regions to uchar* to avoid casts.
- Changed some string lengths from uint to size_t.
- Changed field->ptr to be uchar* instead of char*. This allowed us to
  get rid of a lot of casts.
- Some changes from true -> TRUE, false -> FALSE, unsigned char -> uchar
- Include zlib.h in some files as we needed declaration of crc32()
- Changed MY_FILE_ERROR to be (size_t) -1.
- Changed many variables to hold the result of my_read() / my_write() to be
  size_t. This was needed to properly detect errors (which are
  returned as (size_t) -1).
- Removed some very old VMS code
- Changed packfrm()/unpackfrm() to not be depending on uint size
  (portability fix)
- Removed windows specific code to restore cursor position as this
  causes slowdown on windows and we should not mix read() and pread()
  calls anyway as this is not thread safe. Updated function comment to
  reflect this. Changed function that depended on original behavior of
  my_pwrite() to itself restore the cursor position (one such case).
- Added some missing checking of return value of malloc().
- Changed definition of MOD_PAD_CHAR_TO_FULL_LENGTH to avoid 'long' overflow.
- Changed type of table_def::m_size from my_size_t to ulong to reflect that
  m_size is the number of elements in the array, not a string/memory
  length.
- Moved THD::max_row_length() to table.cc (as it's not depending on THD).
  Inlined max_row_length_blob() into this function.
- More function comments
- Fixed some compiler warnings when compiled without partitions.
- Removed setting of LEX_STRING() arguments in declaration (portability fix).
- Some trivial indentation/variable name changes.
- Some trivial code simplifications:
  - Replaced some calls to alloc_root + memcpy to use
    strmake_root()/strdup_root().
  - Changed some calls from memdup() to strmake() (Safety fix)
  - Simpler loops in client-simple.c
2007-05-10 12:59:39 +03:00
monty@narttu.mysql.fi
8a80e36ac3 Merge mysql.com:/home/my/mysql-5.0
into  mysql.com:/home/my/mysql-5.1
Merge of 'remove compiler warnings when using -Wshadow'
2007-01-27 03:46:45 +02:00
monty@mysql.com/narttu.mysql.fi
a04157fbb3 Merge bk-internal.mysql.com:/home/bk/mysql-5.0
into  mysql.com:/home/my/mysql-5.0
2007-01-22 14:04:40 +02:00
kent@kent-amd64.(none)
be15e3bc15 Merge mysql.com:/home/kent/bk/main/mysql-5.0
into  mysql.com:/home/kent/bk/main/mysql-5.1
2006-12-23 20:20:40 +01:00
kent@mysql.com/kent-amd64.(none)
226a5c833f Many files:
Changed header to GPL version 2 only
2006-12-23 20:17:15 +01:00
monty@mysql.com/narttu.mysql.fi
88dd873de0 Fixed compiler warnings detected by option -Wshadow and -Wunused:
- Removed not used variables and functions
- Added #ifdef around code that is not used
- Renamed variables and functions to avoid conflicts
- Removed some not used arguments

Fixed some class/struct warnings in ndb
Added define IS_LONGDATA() to simplify code in libmysql.c

I did run gcov on the changes and added 'purecov' comments on almost all lines that was not just variable name changes
2006-12-15 00:51:37 +02:00
bar@bar.intranet.mysql.r18.ru
3cfbe36adc After merge fix 2006-10-03 16:00:09 +05:00
bar@mysql.com/bar.intranet.mysql.r18.ru
29bc5cc179 Bug#6147: Traditional: Assigning a string to a numeric column has unexpected results
The problem was that when converting a string to an exact number,
rounding didn't work, because conversion didn't understand
approximate numbers notation.
Fix: a new function for string-to-number conversion was implemented,
which is aware of approxinate number notation (with decimal point
and exponent, e.g. -19.55e-1)
2006-07-20 13:41:12 +05:00
bar@mysql.com
b2b020b318 Merge mysql.com:/usr/home/bar/mysql-5.0
into  mysql.com:/usr/home/bar/mysql-5.1-new
2006-03-23 14:14:32 +04:00
bar@mysql.com
296d4b2f2c Bug#15376: Unassigned multibyte codes are converted to U+0000
Mergeing changes into 5.0
2006-03-23 14:03:39 +04:00
bar@mysql.com
d7c773834b WL#1386 - CTYPE table for unicode character sets
A prerequisite for several fulltext and XML bugs.
MY_CHARSET_HANDLER now has a new function "ctype"
to detect a type of the next character in a string
(i.e. digit, letter, space, punctuation, control, etc),
which now works correctly for both 8bit and multibyte charsets.
Previously only 8bit charsets worked correctly,
while any multibyte character was considered as letter
in multibyte charsets.
Many files:
  Adding new function
Makefile.am:
  Adding build rules for uctypedump,
  a dump tool to create my_uctype.h
  using Unicode Character Database file.
m_ctype.h:
  Adding declaration of my_uni_ctype,
  ctype data for Unicode.
  Adding new member into MY_CHARSET_HANDLER
Makefile.am:
  Adding my_uctype.h into noinst_HEADERS
my_uctype.h, uctypedump.c:
  new files:
  ctype data for unicode,
  and the tool to generate it from 
  a Unicode Character Database file.
2006-02-02 10:07:47 +04:00
bar@mysql.com
39b0712cf7 type_binary.result, type_binary.test:
new file
mysql_fix_privilege_tables.sql, mysql_create_system_tables.sh:
  Adding true BINARY/VARBINARY: fixing "password" type, not to be 0x00-padding.
Many files:
  Adding true BINARY/VARBINARY: fixing tests not to output 0x00 bytes.
  Adding true BINARY/VARBINARY: new pad_char structure member.
ctype-bin.c:
  Adding true BINARY/VARBINARY: new pad_char structure member.
  New strnxfrm, with two trailing length bytes.
field.cc:
  Adding true BINARY/VARBINARY.
2005-10-13 19:16:19 +05:00
elliot@mysql.com
24f81a781e Fix wrong auto-merge. 2005-08-19 18:17:54 -04:00
shuichi@mysql.com
8e60817dda Fixed the ucs2 -> eucjpms conversion bug (bug#11717) 2005-07-18 13:38:56 -07:00
georg@lmy002.wdf.sap.corp
b64e6db5a4 fixes for windows 64-bit compiler warnings 2005-06-13 12:41:15 +02:00
bar@mysql.com
2df945d87b Bug#8610: The ucs2_turkish_ci collation fails with upper('i')
UPPER/LOWER now can return a string with different length.

mi_test1.c:
  Adding new arguments.
Many files:
  Changeing caseup/casedn to return a result with different
  length than argument.
sql_string.h:
  Removing unused method,
mysql_priv.h:
  Removing unused method
2005-06-06 16:54:15 +05:00
bar@noter.(none)
153b928c10 Bug#9509 Optimizer: wrong result after AND with latin1_german2_ci
We cannot propagate constants with tricky collations.
2005-05-05 21:13:57 +05:00
bar@mysql.com
b950bc210c ctype-eucjpms.c:
After merge fix.
2005-04-07 16:14:45 +05:00
serg@serg.mylan
5cd866610d after merge fix 2005-04-06 23:12:10 +02:00
bar@mysql.com
8828884f4c CSC#4385: slow sorting for UTF8 large table:
my_strnxfrm_utf8 now requires 2 bytes per character
in filesort key, instead of 3 bytes per character.
Shorter filesort keys make sorting faster.
2005-01-26 16:34:09 +04:00
shuichi@mysql.com
852d74a68e renamed charset name 'eucjp_ms' to 'eucjpms' 2005-01-12 02:58:15 -08:00
Renamed from strings/ctype-eucjp_ms.c (Browse further)