the wildcard pattern expansion functions not getting included.
- Replacing "int" with "socklen_t" in the header files caused compilation
errors with the source code which wasn't using the new typedef yet. Fixed.
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least for clib2) ftell() and fseek() functions, respectively.
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to add it to libunix.a rather than keeping it in a separate libtermios.a
library.
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remainder() and remainderf() for C99.
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and hypotf() for C99.
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- nan() and nanf() now return quiet NaNs.
- Added internal __inf() and __inff() functions.
- strtof() now calls nanf() and __inff(), respectively, to produce
the special floating point values for nan/inf/infinity.
- strtod() now calls nan() and __inf(), respectively, to produce
the special floating point values for nan/inf/infinity.
- The scanf() family now calls nan() and __inf(), respectively, to
produce the special floating point values for nan/inf/infinity.
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islessequal() and islessgreater() to <math.h> for C99.
- The wchar_t type is now an 'unsigned short' integer (16 bits wide).
- Added PTRDIFF_MIN/PTRDIFF_MAX, WCHAR_MIN/WCHAR_MAX and
WINT_MIN/WINT_MAX to <stdint.h> for C99.
- Added imaxdiv() and imaxabs() for C99.
- Added strtoimax() and strtoumax() for C99.
- Added nextafter() and nextafterf() for C99.
- Added copysign() and copysignf() for C99.
- Unless I missed something, clib2 should now be functionally complete
with regard to C99, except for the floating point operations covered.
These are a major challenge all by themselves, and I wonder both
whether they are worth the effort and how one could implement them
correctly.
- fflush() now consistently supports a NULL parameter, causing all
streams to be flushed for which this behaviour is defined.
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number rather than a decimal one. Now how odd is that?
- strtod() and strtof() now support "inf"/"infinity"/"nan"/"nan(..)" and
hexadecimal floating point numbers, for C99.
- Added the fpclassify(), isfinite(), isnormal() and signbit() macros for C99.
- Reimplemented isnan() and isinf() as macros for C99. The corresponding
functions will be dropped from the library. Note that the isinf() macro
does not return -1, 0 or 1 like the old function did, but only 0 or 1
depending upon whether the parameter represents +/- infinity or not.
- Added fabsf() for C99.
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and which files this involves.
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very much! This includes the following:
- Added SSIZE_MAX to <limits.h>.
- Added <sys/uio.h>, readv() and writev().
- Cut back the soft link resolution code in lstat().
- In <fcntl.h> O_NDELAY is now an alias for O_NONBLOCK.
- Added <complex.h>, carg(), cargf(), cargl(), cimag(), cimagf(),
cimagl(), conj(), conjf(), conjl(), creal(), crealf() and creall().
Note that the C99 support for the complex floating point data
types is limited to GCC 3.x for now.
- Added va_copy() to <stdarg.h>.
- Added _Exit() to <stdlib.h>.
- Added <stdbool.h>.
- Added vfscanf() to <stdio.h>.
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a separate file.
- Simplified the library/open close code in "stdlib_main.c".
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for OS4 if the AllocSysObject() function is used to create it.
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the 68k build. The PowerPC build may follow later, provided
I manage to get the specs file fixed.
- Moved the check for the presence of an FPU into the
math_init.c code.
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was still wrongish for the OS4 library. So I had to change
it *again*. Which probably means that the 68k library will
need further changes...
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should no longer spell big trouble on account of the stdio
data structures possibly not being in a well-defined and
initialized state.
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- Dropped unused stub code which is now redundant because of
the constructor/destructor mechanism.
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that the constructors/destructors are called in the proper
order, too.
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constructor/destructor functions for initialization and cleanup
purposes.
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or initializes it.
- The stdlib constructor now performs the CPU/FPU compatibility test.
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Both the 68k and PowerPC platform now invoke them in the same order
and the 68k code uses the designated invocation priorities. The
PowerPC destructor function now sets up the exit() jmp_buf before
the destructor functions are called.
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invoke the library's constructor/destructor functions in a
very particular order. That way, you can use constructor/destructor
functions in your own code and not have them clash with the library's
own functions.
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avoids trouble with destructor functions which use stdio code. Unsolved
problem: the order in which destructors and constructors are called.
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socket_data.c, dirent_data.c and stdio_data.c and into the
code that initializes them.
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initialization code for the stdin/stdout/stderr streams and
out of the program parameter setup.
- The current program name is now set up in the stdlib
initialization function.
- Simplified the machine test code; moved the FPU check into
the math initialization code.
- Added more safety checks to verify that file descriptor
file handles are valid.
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into a dedicated module. This also has the advantage that it's
harder to break code by accidentally forgetting to call
InitSemaphore() after having allocated the memory for it.
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contributed by Peter Bengtsson. Thank you very much!
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and dirent data operations. That should do it! While the library is
not reentrant (this is not ixemul.library) it should be thread-safe
now. Thread-safe in the sense of POSIX 1003.1c-1995.
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and ftrylockfile().
- Modified the internal FILE structure to allow for thread locking.
Note that this again requires that the library is rebuilt!
- Added or modified macros for getc_unlocked(), getchar_unlocked(),
putc_unlocked() and putchar_unlocked().
- Added rand_r().
- Added flockfile()/funlockfile() wrappers around all stdio
functions.
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parameters (which is by default linked in with libunix.a),
regular expressions can no longer prompt dos.library requesters
to appear. However, to be on the safe side, if you are expecting
to pass regular expressions on the command line, do not use
the wildcard expansion code such as by overriding the library
symbols with dummy functions such as are used in the file
"stdlib_wildcard_expand.c".
- Added a new variable '__open_locale' which can be used to
restrict all library functions to use the "C" language locale
rather than the current system locale settings. In addition
to that, two new functions __locale_exit() and __locale_init()
can be used to close and (re-)open the system locale at a
later time.
- Local ("static") functions are now identified by the STATIC
qualifier. This was done in preparation for changes that will
deal with global and local data and the issue of thread safety.
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function pointers alone. The utility.library/CallHookPkt mechanism
is no longer required.
- Moved the entire lseek() code relevant for files into the hook
function.
- Simplified the close() function which now just calls into the
hook code to perform whatever is necessary. The hook code is
responsible for cleaning up after aliases, etc. This change in
turn made it possible to greatly simplify the hook code for
buffered files which now bypasses close/read/write/lseek and
directly invokes the hook code for unbuffered files.
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the file descriptor hook and into the respective functions,
such as dup2(), fchmod(), fchown(), fcntl(), fdatasync(), fstatfs(),
fsync(), ftruncate() and lseek(). Code which is not strictly
required will no longer find its way into your programs if you
link with the updated library.
NOTE: these changes require that the entire library is rebuilt!
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<inttypes.h> header files contributed by Peter Bengtsson. Thank
you very much!
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code which initialized them.
- Reading/changing the errno variable is no longer done directly, but
involves accessor functions.
- References to the HUGE_VAL quantity now involve an accessor function, too.
- Changed the manner in which the __huge_val constant is initialized by
the __math_init() function.
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so far as used by the the __convert_time() function and the conversion
code in strftime().
- Also changed the algorithm used by strftime() to produce the week numbers
(the '%U' and '%W' format specifiers). The new method is much simpler
than the old one.
- Made the code that converts a 'time_t' value into the 'struct DateStamp',
as used by strftime() and utime(), into its own function. This also
fixes a bug in the code strftime() would use which was completely
unaware of the local time zone settings.
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strftime() and asctime_r(). This one isn't sensitive to the effects of
adding/subtracting the local time zone.
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function.
- The fall-back function for converting time into a string in strftime()
now calls itself for the "%x" and "%X" format specifiers.
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to the built-in function.
- Updated the stdio.h, stdlib.h, string.h and unistd.h header files
to declare function prototypes for the __MEM_DEBUG versions of the
library functions only if that preprocessor symbol is defined.
- If a SIGINT signal is caught and processed by the default signal
handler, the localized "*** BREAK" string will be printed rather
than the built-in one.
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