20190407:
- The program db7.sd7 (Database Inspector) has been improved to use a
scrollable list of tables instead of radio buttons for the selection
of a table.
- The example program findchar.sd7 has been added. Findchar is an
utility program to search for specific characters in files.
- The new library iobuffer.s7i has been added. This library supports
buffering of files.
- The new library mixarith.s7i has been added. This library supports
mixing of arithmethic operations between numeric types.
- The file type fileInTar has been added to the library tar.s7i. This
file type allows that a specific file from a tar archive can be
opened. The functions open, getc, gets, eof, hasNext, length, seek,
tell, and openFileInTar have been added to support the file type
fileInTar.
- The functions skipClassicComment and getSimpleStringLiteral have been
added to the libraries scanfile.s7i and scanstri.s7i.
- The makefile mk_emccl.mak has been added. This makefile supports
compiling with the emcc C compiler from Emscripten under Linux. The
support of Emscripten is experimental (see also src/read_me.txt).
- The deprecated functions float2Bits and bits2Float have been removed
from bin32.s7i and bin64.s7i. The functions bin32(), bin64() and
float() can be used instead, to convert between float and bits in
IEEE 754 representation.
- In the programs chkbig.sd7, chkovf.sd7, chkset.sd7 and chkstr.sd7
large functions have been split into smaller functions. This avoids
Stack errors with Emscripten.
- Tests for allowed field names and CLOB fields have been added to
chkdb.sd7. The functions create, testFieldNames and testClobField
have been added to chkdb.sd7.
- The primitive actions BIG_PARSE, BST_PARSE, FLT_PARSE and INT_PARSE
have been renamed to BIG_PARSE1, BST_PARSE1, FLT_PARSE1 and
INT_PARSE1 respectively. This actions parse the first argument
instead of the third argument. The libraries bigint.s7i, bstring.s7i,
float.s7i and integer.s7i have been improved to use the new actions.
- In several libraries the 'parse' operator has been changed to call
a function with the name of the type.
- In fil.unx.c the function setupFiles has been improved to correctly
mount the file system root for emscripten and node.js.
- In sql_fire.c, sql_my.c the support for BLOB and CLOB fields has been
improved.
- In sql_oci.c, sql_odbc.c and sql_post.c the function
processStatementStri() has been improved to accept strings enclosed
in single quotes (') and double quotes (").
- The files db_fire.h and sql_fire.c have been changed to define the
database client functions with the calling convention __stdcall.
- The files db_post.h, db_lite.h, sql_post and sql_lite.c have been
changed to define the database client functions with the calling
convention __cdecl.
- The database driver sql_fire.c has been improved:
- The function getClob() has been added. This function is used by
sqlColumnStri() to get a CLOB.
- The function sqlBindStri() has been improved to work for CLOBs
and to raise RANGE_ERROR for BLOBs.
- The function sqlColumnStri() has been improved to work for BLOBs
and CLOBs.
- The function sqlColumnBStri() has been improved to work for BLOBs
and to raise RANGE_ERROR for CLOBs.
- The function sqlStmtColumnName() has been improved to assume that
the name of a column is encoded with UTF-8.
- The database driver sql_my.c has been improved:
- The function processStatementStri() has been improved. In strings
delimited with single quotes (') backslashes (\) are optionaly
replaced with double backslashes (\\). Strings delimited with
double quotes (") are converted into strings, that are delimited
with a backtick (`).
- The function setupResultColumn() has been improved to distinguish a
BLOB from a CLOB.
- The function sqlColumnStri() has been improved to work for BLOBs
and CLOBs.
- The function sqlColumnBStri() has been improved to work for BLOBs
and to raise RANGE_ERROR for CLOBs.
- The function determineIfBackslashEscapes has been introduced. This
function determines, if a backslash is used as escape character in
string literals. In this case processStatementStri() will double
escaping backslashes in string literals.
- The database driver sql_odbc.c has been improved:
- The management of buffer memory in bind functions has been improved
for the data types SQL_DECIMAL, SQL_NUMERIC, SQL_CHAR, SQL_VARCHAR,
SQL_LONGVARCHAR, SQL_WCHAR, SQL_WVARCHAR, SQL_WLONGVARCHAR,
SQL_BINARY, SQL_VARBINARY and SQL_LONGVARBINARY.
- The database driver sql_post.c has been improved:
- The function setupDll has been improved to open the dll
libeay32.dll, when necessary.
- In the function sqlBindStri() the binding of a field with the type
BYTEAOID (used for BLOB data) has been improved, to work correct,
when the string contains a zero byte ('\0;').
- The function sqlColumnBigRat() has been improved to process fields
with the type FLOAT8OID as double instead of float.
- The program chkccomp.c has been improved. Now the C compiler used to
compile chkccomp.c can be different from the C compiler checked by
chkccomp.c. E.g.: For Emscripten chkccomp.c is compiled with gcc,
but the checked C compiler is emcc.
- In chkccomp.c the function determineFseekFunctions has been improved
to check fseek() and ftell() without access to the local files.
- In chkccomp.c the functions to configure access to PostgreSql,
Oracle and Firebird databases has been improved.
- In chkccomp.c code to determine NULL_DEVICE, HAS_CDECL, HAS_STDCALL,
INTPTR_T_DEFINED, PRINTF_ROUNDING, LINE_DIRECTIVE_ACCEPTS_UTF8,
HAS_SETJMP and HAS_SIGSETJMP has been added or improved.
- The file sigutl.c has been improved to work correct, when neither
signal() nor sigaction() are present.
- Log functions have been added or improved in con_emc.c, con_inf.c,
sql_my.c, sql_post.c and timlib.c.
- Exprerimental code has been added to con_emc.c.
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