- No longer uses a local copysign() function in "math_kernel_scalbn.c".
- Fixed an assignment which actually came out as a comparison in "stdio_vfscanf.c".
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- Floating point output in hexadecimal notation can now show a sign
in front of the hex prefix string.
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- Removed the old isinf() and isnan() functions.
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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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"decimal" number. That is, if the difference is 5 hours and 30 minutes,
then %z will now print "530" rather than "330".
- mktime() now handles one leap second gracefully.
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- Fixed math_headers.h so that fabsf.c compiles correctly with SAS/C.
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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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%a/%A conversions for C99. The %j is treated like %ll, %t and %z are treated
like %l.
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of a command unless it contains path separator characters.
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of records or the size of each record is zero, both now call clearerr() to
avoid giving the caller the wrong impression that an EOF or error occured.
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- Added code to the startup routine which allows you to monitor where command
was started from and which parameters it was invoked with.
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- Added code to the startup routine which allows you to monitor where command
was started from and which parameters it was invoked with.
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Seek(). Seek() is particularly challenging because the value it
returns might be a valid file position and not an error.
- Replaced numeric function return codes of 0 and -1 with macros OK,
SEEK_ERROR/ERROR to clarify the respective purposes.
- Changed how ftell() and fseek() are used, double-checking the return
value and the errno code.
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are detected.
- Modified function return values of 0 and -1 to use macros like OK,
ERROR/SEEK_ERROR instead, to better convey what the purpose of these
values is.
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file has been protected from deletion.
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and which files this involves.
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locking in the stdio_fflush.c file.
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- Made the clearerr(), feof() and ferror() macros thread-safe.
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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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to a likely console handler file's MsgPort.
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information identifying it as a character special file. Side-effect:
if the input/output went to a CON:/AUTO window, that window will
pop open and stay open.
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the original file descriptors they are duplicates of. I modified the
function which maps file descriptor numbers to file descriptor
table entries to return the table entries of the original files.
- In the thread-safe library, duplicated stdin/stdout/stderr
descriptors now work like the "real" ones. This is true even if
the "real" ones were closed and only their former aliases remain.
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a separate file.
- Simplified the library/open close code in "stdlib_main.c".
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currently configured. It merely blocks the delivery of the respective
signal to prevent recursion.
- raise() now drops into abort() if a signal handler is set to
SIG_DFL. The exception is in SIGINT delivery, which has the
effect of printing a different termination message but otherwise
program flow takes the same path as abort().
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signal_data.c and into signal_raise.c where they are actually used.
This makes it possible to override the default definition of the
__check_abort_enabled variable in your own programs.
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for OS4 if the AllocSysObject() function is used to create it.
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- Clarified the caveats of the libm.a use.
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until the function has returned. Which is harsh, but there is no
elegant solution to the issue of keeping the same dos.library
file handles from concurrent use which SystemTagList() might just
end up using.
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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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