Update.
1997-06-04 20:57 Ulrich Drepper <drepper@cygnus.com>
* manual/string.texi: Add comments to discourage use of index and
rindex.
(strtok, strsep): Apply function on copy of the strings in example.
(l64a): Add example.
* posix/unistd.h: Correct value for _POSIX_VERSION.
* sunrpc/Makefile (defines): Remove definition.
* sysdeps/ieee754/nan.h: Correct typo.
1997-06-04 10:50 Fila Kolodny <fila@ibi.com>
* posix/unistd.h: Add definition of __fchdir corresponding to fchdir.
* login/utmp_daemon.c: Correct location of utmpd.h.
1997-06-03 19:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makerules: Rename $(common-objpfx)distinfo-$(subdir) to
$(objpfx)distinfo.
* rpm/Makefile (distinfo): Adapted.
1997-06-03 18:32 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* rpm/Makefile (install-slib): Collect shared libraries here
instead of in install-lib, including libc.
(instvars): Add slib.
1997-06-03 18:23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* login/Makefile (libutil-routines): Add updwtmp.
1997-06-03 16:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* monetary.h: New file, needed for localedata/tst-fmon.c.
1997-06-02 20:31 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* math/libm-test.c (cpow_test): Add epsilon for long double in
test for 2^10.
(identities): Add epsilon for float in second identity test.
* sysdeps/m68k/huge_val.h: Change GCC's HUGE_VAL{,F,L} to use
DI and SI mode integers instead of bytes. Fix value of HUGE_VALL.
* sysdeps/m68k/nan.h: New file.
* sysdeps/m68k/fpu/__math.h (isgreater, isgreaterequal, isless,
islessequal, islessgreater, isunordered): Fix assembler syntax.
* sysdeps/m68k/fpu/fraiseexcpt.c: Do it right so that gcc doesn't
optimize out the operations.
* sysdeps/libm-ieee754/s_nan.c: Use NaN macro instead of static
constant.
* sysdeps/libm-ieee754/s_nanf.c: Likewise.
* sysdeps/libm-ieee754/s_nanl.c: Likewise.
* math/carg.c [NO_LONG_DOUBLE]: Add alias for long double
function.
* sysdeps/libm-ieee754/s_erf.c: Likewise.
* sysdeps/libm-ieee754/s_fdim.c: Likewise.
* sysdeps/libm-ieee754/s_fmax.c: Likewise.
* sysdeps/libm-ieee754/s_fmin.c: Likewise.
* sysdeps/libm-ieee754/s_log2.c: Likewise.
* sysdeps/libm-ieee754/s_nan.c: Likewise.
* sysdeps/libm-ieee754/s_remquo.c: Likewise.
This commit is contained in:
Ulrich Drepper
parent
2a7b5469dd
commit
5649a1d60d
71
ChangeLog
71
ChangeLog
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@ -1,3 +1,74 @@
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1997-06-04 20:57 Ulrich Drepper <drepper@cygnus.com>
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* manual/string.texi: Add comments to discourage use of index and
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rindex.
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(strtok, strsep): Apply function on copy of the strings in example.
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(l64a): Add example.
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* posix/unistd.h: Correct value for _POSIX_VERSION.
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* sunrpc/Makefile (defines): Remove definition.
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* sysdeps/ieee754/nan.h: Correct typo.
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1997-06-04 10:50 Fila Kolodny <fila@ibi.com>
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* posix/unistd.h: Add definition of __fchdir corresponding to fchdir.
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* login/utmp_daemon.c: Correct location of utmpd.h.
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1997-06-03 19:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* Makerules: Rename $(common-objpfx)distinfo-$(subdir) to
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$(objpfx)distinfo.
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* rpm/Makefile (distinfo): Adapted.
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1997-06-03 18:32 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* rpm/Makefile (install-slib): Collect shared libraries here
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instead of in install-lib, including libc.
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(instvars): Add slib.
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1997-06-03 18:23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* login/Makefile (libutil-routines): Add updwtmp.
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1997-06-03 16:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* monetary.h: New file, needed for localedata/tst-fmon.c.
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1997-06-02 20:31 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* math/libm-test.c (cpow_test): Add epsilon for long double in
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test for 2^10.
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(identities): Add epsilon for float in second identity test.
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* sysdeps/m68k/huge_val.h: Change GCC's HUGE_VAL{,F,L} to use
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DI and SI mode integers instead of bytes. Fix value of HUGE_VALL.
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* sysdeps/m68k/nan.h: New file.
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* sysdeps/m68k/fpu/__math.h (isgreater, isgreaterequal, isless,
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islessequal, islessgreater, isunordered): Fix assembler syntax.
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* sysdeps/m68k/fpu/fraiseexcpt.c: Do it right so that gcc doesn't
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optimize out the operations.
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* sysdeps/libm-ieee754/s_nan.c: Use NaN macro instead of static
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constant.
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* sysdeps/libm-ieee754/s_nanf.c: Likewise.
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* sysdeps/libm-ieee754/s_nanl.c: Likewise.
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* math/carg.c [NO_LONG_DOUBLE]: Add alias for long double
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function.
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* sysdeps/libm-ieee754/s_erf.c: Likewise.
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* sysdeps/libm-ieee754/s_fdim.c: Likewise.
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* sysdeps/libm-ieee754/s_fmax.c: Likewise.
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* sysdeps/libm-ieee754/s_fmin.c: Likewise.
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* sysdeps/libm-ieee754/s_log2.c: Likewise.
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* sysdeps/libm-ieee754/s_nan.c: Likewise.
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* sysdeps/libm-ieee754/s_remquo.c: Likewise.
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1997-06-03 23:42 Ulrich Drepper <drepper@cygnus.com>
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* elf/dl-support.c: Define and initialize _dl_verbose used in
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18
Makerules
18
Makerules
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@ -836,10 +836,10 @@ ALL_BUILD_CFLAGS = $(BUILD_CFLAGS) -include $(..)config.h
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check: tests
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.PHONY: TAGS
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TAGS: $(common-objpfx)distinfo-$(subdir) $(..)MakeTAGS
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TAGS: $(objpfx)distinfo $(..)MakeTAGS
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$(MAKE) $(addprefix -f ,$^) $@
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$(..)po/%.pot: $(common-objpfx)distinfo-$(subdir) $(..)MakeTAGS FORCE
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$(..)po/%.pot: $(objpfx)distinfo $(..)MakeTAGS FORCE
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$(MAKE) $(addprefix -f ,$(filter-out FORCE,$^)) $@
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FORCE:
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@ -874,7 +874,7 @@ common-clean: common-mostlyclean
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-rm -f $(addprefix $(objpfx),$(generated)) $(+depfiles)
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-rm -fr $(addprefix $(objpfx),$(generated-dirs))
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-rm -f $(addprefix $(common-objpfx),$(common-generated))
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-rm -f $(common-objpfx)distinfo-$(subdir)
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-rm -f $(objpfx)distinfo
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# Produce a file `stub-$(subdir)' which contains `#define __stub_FUNCTION'
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# for each function which is a stub. We grovel over all the .d files
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@ -897,7 +897,7 @@ $(common-objpfx)stub-$(subdir): $(+depfiles)
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# Make the distribution tar file.
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.PHONY: dist
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dist: $(common-objpfx)distinfo-$(subdir) $(..)Make-dist
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dist: $(objpfx)distinfo $(..)Make-dist
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$(MAKE) -f $< -f $(word 2,$^) $(Make-dist-args)
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# Avoid depending on source files found in sysdeps dirs,
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@ -908,14 +908,12 @@ dist: $(filter-out %.c %.S %.s,$(distribute))
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# environment get too large. Instead, we write all the information into
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# a generated makefile fragment `distinfo', and then include it with -f in
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# the sub-make that makes the distribution (above).
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$(common-objpfx)distinfo-$(subdir): Makefile $(..)Makerules \
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$(wildcard $(foreach dir,$(sysdirs),\
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$(dir)/Makefile))
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$(objpfx)distinfo: Makefile $(..)Makerules \
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$(wildcard $(foreach dir,$(sysdirs),$(dir)/Makefile))
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$(distinfo-vars)
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mv -f $@.new $@
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.PHONY: subdir_distinfo distinfo
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subdir_distinfo: distinfo
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distinfo: $(common-objpfx)distinfo-$(subdir)
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.PHONY: subdir_distinfo
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subdir_distinfo: $(objpfx)distinfo
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define distinfo-vars
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rm -f $@.new
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@ -42,7 +42,7 @@ vpath %.c programs
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extra-libs := libutil
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extra-libs-others := $(extra-libs)
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libutil-routines:= login login_tty logout logwtmp pty
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libutil-routines:= login login_tty logout logwtmp pty updwtmp
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include ../Rules
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@ -27,7 +27,7 @@
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#include <utmp.h>
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#include "utmp-private.h"
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#include "utmpd/utmpd.h"
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#include "programs/utmpd.h"
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#ifndef _LIBC
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#define __set_errno(val) errno = (val)
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@ -890,6 +890,9 @@ specifying a null character as the value of the @var{c} argument.
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@comment BSD
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@deftypefun {char *} index (const char *@var{string}, int @var{c})
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@code{index} is another name for @code{strchr}; they are exactly the same.
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New code should always use @code{strchr} since this name is defined in
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@w{ISO C} while @code{index} is a BSD invention which never was available
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on @w{System V} derived systems.
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@end deftypefun
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@comment string.h
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@ -910,6 +913,9 @@ strrchr ("hello, world", 'l')
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@comment BSD
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@deftypefun {char *} rindex (const char *@var{string}, int @var{c})
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@code{rindex} is another name for @code{strrchr}; they are exactly the same.
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New code should always use @code{strrchr} since this name is defined in
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@w{ISO C} while @code{rindex} is a BSD invention which never was available
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on @w{System V} derived systems.
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@end deftypefun
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@comment string.h
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@ -1067,13 +1073,14 @@ Here is a simple example showing the use of @code{strtok}.
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@dots{}
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char string[] = "words separated by spaces -- and, punctuation!";
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const char string[] = "words separated by spaces -- and, punctuation!";
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const char delimiters[] = " .,;:!-";
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char *token;
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char *token, *cp;
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@dots{}
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token = strtok (string, delimiters); /* token => "words" */
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cp = strdupa (string); /* Make writable copy. */
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token = strtok (cp, delimiters); /* token => "words" */
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token = strtok (NULL, delimiters); /* token => "separated" */
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token = strtok (NULL, delimiters); /* token => "by" */
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token = strtok (NULL, delimiters); /* token => "spaces" */
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@ -1097,7 +1104,7 @@ pointer. Calling @code{strtok_r} with a null pointer for
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@var{newstring} and leaving @var{save_ptr} between the calls unchanged
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does the job without limiting reentrancy.
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This function was proposed for POSIX.1b and can be found on many systems
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This function is defined in POSIX-1 and can be found on many systems
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which support multi-threading.
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@end deftypefun
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@ -1123,14 +1130,14 @@ Here is how the above example looks like when @code{strsep} is used.
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@dots{}
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char string[] = "words separated by spaces -- and, punctuation!";
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const char string[] = "words separated by spaces -- and, punctuation!";
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const char delimiters[] = " .,;:!-";
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char *running;
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char *token;
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@dots{}
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running = string;
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running = strdupa (string);
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token = strsep (&running, delimiters); /* token => "words" */
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token = strsep (&running, delimiters); /* token => "separated" */
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token = strsep (&running, delimiters); /* token => "by" */
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@ -1180,13 +1187,66 @@ The function returns a pointer to a static buffer which contains the
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string representing of the encoding of @var{n}. To encoded a series of
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bytes the use should append the new string to the destination buffer.
|
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@emph{Warning:} Since a static buffer is used this function should not
|
||||
be used in multi-threaded programs. There is no thread-safe alternatice
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||||
be used in multi-threaded programs. There is no thread-safe alternative
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to this function in the C library.
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||||
@end deftypefun
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Alone the @code{l64a} function is not usable. To encode arbitrary
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sequences of bytes one needs some more code and this could look like
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this:
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||||
@smallexample
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||||
char *
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encode (const void *buf, size_t len)
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@{
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||||
/* @r{We know in advance how long the buffer has to be.} */
|
||||
unsigned char *in = (unsigned char *) buf;
|
||||
char *out = malloc (6 + ((len + 3) / 4) * 6 + 1);
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||||
char *cp = out;
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||||
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||||
/* @r{Encode the length.} */
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||||
memcpy (cp, l64a (len), 6);
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||||
cp += 6;
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||||
|
||||
while (len > 3)
|
||||
@{
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||||
unsigned long int n = *in++;
|
||||
n = (n << 8) | *in++;
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||||
n = (n << 8) | *in++;
|
||||
n = (n << 8) | *in++;
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len -= 4;
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/* @r{Using `htonl' is necessary so that the data can be}
|
||||
@r{decoded even on machines with different byte order.} */
|
||||
memcpy (cp, l64a (htonl (n)), 6);
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||||
cp += 6;
|
||||
@}
|
||||
if (len > 0)
|
||||
@{
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||||
unsigned long int n = *in++;
|
||||
if (--len > 0)
|
||||
@{
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||||
n = (n << 8) | *in++;
|
||||
if (--len > 0)
|
||||
n = (n << 8) | *in;
|
||||
@}
|
||||
memcpy (cp, l64a (htonl (n)), 6);
|
||||
cp += 6;
|
||||
@}
|
||||
*cp = '\0';
|
||||
return out;
|
||||
@}
|
||||
@end smallexample
|
||||
|
||||
It is strange that the library does not provide the complete
|
||||
functionality needed but so be it. There are some other encoding
|
||||
methods which are much more widely used (UU encoding, Base64 encoding).
|
||||
Generally, it is better to use one of these encodings.
|
||||
|
||||
To decode data produced with @code{l64a} the following function should be
|
||||
used.
|
||||
|
||||
@comment stdlib.h
|
||||
@comment XPG
|
||||
@deftypefun {long int} a64l (const char *@var{string})
|
||||
The parameter @var{string} should contain a string which was produced by
|
||||
a call to @code{l64a}. The function processes the next 6 characters and
|
||||
|
|
@ -1205,17 +1265,17 @@ characters.
|
|||
@node Argz and Envz Vectors
|
||||
@section Argz and Envz Vectors
|
||||
|
||||
@cindex argz vectors
|
||||
@cindex argz vectors (string vectors)
|
||||
@cindex string vectors, null-character separated
|
||||
@cindex argument vectors, null-character separated
|
||||
@dfn{argz vectors} are vectors of strings in a contiguous block of
|
||||
memory, each element separated from its neighbors by null-characters
|
||||
(@code{'\0'}).
|
||||
|
||||
@cindex envz vectors
|
||||
@cindex envz vectors (environment vectors)
|
||||
@cindex environment vectors, null-character separated
|
||||
@dfn{Envz vectors} are an extension of argz vectors where each element is a
|
||||
name-value pair, separated by a @code{'='} character (as in a unix
|
||||
name-value pair, separated by a @code{'='} character (as in a Unix
|
||||
environment).
|
||||
|
||||
@menu
|
||||
|
|
@ -1247,13 +1307,17 @@ allocation error occurs.
|
|||
@pindex argz.h
|
||||
These functions are declared in the standard include file @file{argz.h}.
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {error_t} argz_create (char *const @var{argv}[], char **@var{argz}, size_t *@var{argz_len})
|
||||
The @code{argz_create} function converts the unix-style argument vector
|
||||
The @code{argz_create} function converts the Unix-style argument vector
|
||||
@var{argv} (a vector of pointers to normal C strings, terminated by
|
||||
@code{(char *)0}; @pxref{Program Arguments}) into an argz vector with
|
||||
the same elements, which is returned in @var{argz} and @var{argz_len}.
|
||||
@end deftypefun
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {error_t} argz_create_sep (const char *@var{string}, int @var{sep}, char **@var{argz}, size_t *@var{argz_len})
|
||||
The @code{argz_create_sep} function converts the null-terminated string
|
||||
@var{string} into an argz vector (returned in @var{argz} and
|
||||
|
|
@ -1261,14 +1325,18 @@ The @code{argz_create_sep} function converts the null-terminated string
|
|||
character @var{sep}.
|
||||
@end deftypefun
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {size_t} argz_count (const char *@var{argz}, size_t @var{arg_len})
|
||||
Returns the number of elements in the argz vector @var{argz} and
|
||||
@var{argz_len}.
|
||||
@end deftypefun
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {void} argz_extract (char *@var{argz}, size_t @var{argz_len}, char **@var{argv})
|
||||
The @code{argz_extract} function converts the argz vector @var{argz} and
|
||||
@var{argz_len} into a unix-style argument vector stored in @var{argv},
|
||||
@var{argz_len} into a Unix-style argument vector stored in @var{argv},
|
||||
by putting pointers to every element in @var{argz} into successive
|
||||
positions in @var{argv}, followed by a terminator of @code{0}.
|
||||
@var{Argv} must be pre-allocated with enough space to hold all the
|
||||
|
|
@ -1281,6 +1349,8 @@ still active. This function is useful for passing the elements in
|
|||
@var{argz} to an exec function (@pxref{Executing a File}).
|
||||
@end deftypefun
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {void} argz_stringify (char *@var{argz}, size_t @var{len}, int @var{sep})
|
||||
The @code{argz_stringify} converts @var{argz} into a normal string with
|
||||
the elements separated by the character @var{sep}, by replacing each
|
||||
|
|
@ -1289,20 +1359,26 @@ string) with @var{sep}. This is handy for printing @var{argz} in a
|
|||
readable manner.
|
||||
@end deftypefun
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {error_t} argz_add (char **@var{argz}, size_t *@var{argz_len}, const char *@var{str})
|
||||
The @code{argz_add} function adds the string @var{str} to the end of the
|
||||
argz vector @code{*@var{argz}}, and updates @code{*@var{argz}} and
|
||||
@code{*@var{argz_len}} accordingly.
|
||||
@end deftypefun
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {error_t} argz_add_sep (char **@var{argz}, size_t *@var{argz_len}, const char *@var{str}, int @var{delim})
|
||||
The @code{argz_add_sep} function is similar to @code{argz_add}, but
|
||||
@var{str} is split into separate elements in the result at occurances of
|
||||
the character @var{delim}. This is useful, for instance, for
|
||||
adding the components of a unix search path to an argz vector, by using
|
||||
adding the components of a Unix search path to an argz vector, by using
|
||||
a value of @code{':'} for @var{delim}.
|
||||
@end deftypefun
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {error_t} argz_append (char **@var{argz}, size_t *@var{argz_len}, const char *@var{buf}, size_t @var{buf_len})
|
||||
The @code{argz_append} function appends @var{buf_len} bytes starting at
|
||||
@var{buf} to the argz vector @code{*@var{argz}}, reallocating
|
||||
|
|
@ -1310,6 +1386,8 @@ The @code{argz_append} function appends @var{buf_len} bytes starting at
|
|||
@code{*@var{argz_len}}.
|
||||
@end deftypefun
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {error_t} argz_delete (char **@var{argz}, size_t *@var{argz_len}, char *@var{entry})
|
||||
If @var{entry} points to the beginning of one of the elements in the
|
||||
argz vector @code{*@var{argz}}, the @code{argz_delete} function will
|
||||
|
|
@ -1319,6 +1397,8 @@ destructive argz functions usually reallocate their argz argument,
|
|||
pointers into argz vectors such as @var{entry} will then become invalid.
|
||||
@end deftypefun
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {error_t} argz_insert (char **@var{argz}, size_t *@var{argz_len}, char *@var{before}, const char *@var{entry})
|
||||
The @code{argz_insert} function inserts the string @var{entry} into the
|
||||
argz vector @code{*@var{argz}} at a point just before the existing
|
||||
|
|
@ -1330,6 +1410,8 @@ is @code{0}, @var{entry} is added to the end instead (as if by
|
|||
@var{before} will result in @var{entry} being inserted at the beginning.
|
||||
@end deftypefun
|
||||
|
||||
@comment argz.h
|
||||
@comment GNU
|
||||
@deftypefun {char *} argz_next (char *@var{argz}, size_t @var{argz_len}, const char *@var{entry})
|
||||
The @code{argz_next} function provides a convenient way of iterating
|
||||
over the elements in the argz vector @var{argz}. It returns a pointer
|
||||
|
|
@ -1387,6 +1469,8 @@ fail) have a return type of @code{error_t}, and return either @code{0} or
|
|||
@pindex envz.h
|
||||
These functions are declared in the standard include file @file{envz.h}.
|
||||
|
||||
@comment envz.h
|
||||
@comment GNU
|
||||
@deftypefun {char *} envz_entry (const char *@var{envz}, size_t @var{envz_len}, const char *@var{name})
|
||||
The @code{envz_entry} function finds the entry in @var{envz} with the name
|
||||
@var{name}, and returns a pointer to the whole entry---that is, the argz
|
||||
|
|
@ -1394,6 +1478,8 @@ element which begins with @var{name} followed by a @code{'='} character. If
|
|||
there is no entry with that name, @code{0} is returned.
|
||||
@end deftypefun
|
||||
|
||||
@comment envz.h
|
||||
@comment GNU
|
||||
@deftypefun {char *} envz_get (const char *@var{envz}, size_t @var{envz_len}, const char *@var{name})
|
||||
The @code{envz_get} function finds the entry in @var{envz} with the name
|
||||
@var{name} (like @code{envz_entry}), and returns a pointer to the value
|
||||
|
|
@ -1401,6 +1487,8 @@ portion of that entry (following the @code{'='}). If there is no entry with
|
|||
that name (or only a null entry), @code{0} is returned.
|
||||
@end deftypefun
|
||||
|
||||
@comment envz.h
|
||||
@comment GNU
|
||||
@deftypefun {error_t} envz_add (char **@var{envz}, size_t *@var{envz_len}, const char *@var{name}, const char *@var{value})
|
||||
The @code{envz_add} function adds an entry to @code{*@var{envz}}
|
||||
(updating @code{*@var{envz}} and @code{*@var{envz_len}}) with the name
|
||||
|
|
@ -1410,6 +1498,8 @@ already exists in @var{envz}, it is removed first. If @var{value} is
|
|||
(mentioned above).
|
||||
@end deftypefun
|
||||
|
||||
@comment envz.h
|
||||
@comment GNU
|
||||
@deftypefun {error_t} envz_merge (char **@var{envz}, size_t *@var{envz_len}, const char *@var{envz2}, size_t @var{envz2_len}, int @var{override})
|
||||
The @code{envz_merge} function adds each entry in @var{envz2} to @var{envz},
|
||||
as if with @code{envz_add}, updating @code{*@var{envz}} and
|
||||
|
|
@ -1421,6 +1511,8 @@ entry in @var{envz} can prevent an entry of the same name in @var{envz2} from
|
|||
being added to @var{envz}, if @var{override} is false.
|
||||
@end deftypefun
|
||||
|
||||
@comment envz.h
|
||||
@comment GNU
|
||||
@deftypefun {void} envz_strip (char **@var{envz}, size_t *@var{envz_len})
|
||||
The @code{envz_strip} function removes any null entries from @var{envz},
|
||||
updating @code{*@var{envz}} and @code{*@var{envz_len}}.
|
||||
|
|
|
|||
|
|
@ -27,3 +27,7 @@ __carg (__complex__ double x)
|
|||
return __atan2 (__imag__ x, __real__ x);
|
||||
}
|
||||
weak_alias (__carg, carg)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__carg, __cargl)
|
||||
weak_alias (__carg, cargl)
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -3915,7 +3915,8 @@ cpow_test (void)
|
|||
check ("imag(cpow (1 + i0), (0 + i0)) = 0", __imag__ result, 0);
|
||||
|
||||
result = FUNC (cpow) (BUILD_COMPLEX (2, 0), BUILD_COMPLEX (10, 0));
|
||||
check ("real(cpow (2 + i0), (10 + i0)) = 1024", __real__ result, 1024);
|
||||
check_eps ("real(cpow (2 + i0), (10 + i0)) = 1024", __real__ result, 1024,
|
||||
CHOOSE (2e-16L, 0, 0));
|
||||
check ("imag(cpow (2 + i0), (10 + i0)) = 0", __imag__ result, 0);
|
||||
|
||||
}
|
||||
|
|
@ -4158,7 +4159,7 @@ static void
|
|||
identities (void)
|
||||
{
|
||||
identities1_test (0.2L, CHOOSE (1e-18L, 0, 2e-7));
|
||||
identities1_test (0.9L, CHOOSE (1e-18L, 0, 0));
|
||||
identities1_test (0.9L, CHOOSE (1e-18L, 0, 1e-7));
|
||||
identities1_test (0, 0);
|
||||
identities1_test (-1, CHOOSE (1e-18L, 0, 1e-7));
|
||||
|
||||
|
|
|
|||
|
|
@ -30,14 +30,15 @@ __BEGIN_DECLS
|
|||
/* These may be used to determine what facilities are present at compile time.
|
||||
Their values can be obtained at run time from `sysconf'. */
|
||||
|
||||
/* POSIX Standard approved as IEEE Std 1003.1 as of August, 1988 and
|
||||
extended by P1003.1b (aka POSIX.4). */
|
||||
#define _POSIX_VERSION 199309L
|
||||
/* POSIX Standard approved as ISO/IEC 9945-1 as of August, 1988 and
|
||||
extended by POSIX-1b (aka POSIX-4) and POSIX-1c (aka POSIX threads). */
|
||||
#define _POSIX_VERSION 199506L
|
||||
|
||||
/* These are not #ifdef __USE_POSIX2 because they are
|
||||
in the theoretically application-owned namespace. */
|
||||
|
||||
#define _POSIX2_C_VERSION 199209L /* Invalid until 1003.2 is done. */
|
||||
/* POSIX Standard approved as ISO/IEC 9945-2 as of December, 1993. */
|
||||
#define _POSIX2_C_VERSION 199209L
|
||||
|
||||
/* If defined, the implementation supports the
|
||||
C Language Bindings Option. */
|
||||
|
|
@ -287,6 +288,7 @@ extern int chdir __P ((__const char *__path));
|
|||
|
||||
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
|
||||
/* Change the process's working directory to the one FD is open on. */
|
||||
extern int __fchdir __P ((int __fd));
|
||||
extern int fchdir __P ((int __fd));
|
||||
#endif
|
||||
|
||||
|
|
|
|||
28
rpm/Makefile
28
rpm/Makefile
|
|
@ -9,8 +9,8 @@ include ../Makeconfig
|
|||
include $(common-objpfx)soversions.mk
|
||||
include $(common-objpfx)version.mk
|
||||
|
||||
distinfo := $(common-objpfx)distinfo- \
|
||||
$(wildcard $(subdirs:%=$(common-objpfx)distinfo-%))
|
||||
distinfo := $(common-objpfx)distinfo \
|
||||
$(wildcard $(subdirs:%=$(common-objpfx)%/distinfo))
|
||||
-include $(distinfo)
|
||||
|
||||
config = $(config-machine)-$(config-vendor)-$(config-os)
|
||||
|
|
@ -32,14 +32,15 @@ install-others := $(-install-others) \
|
|||
install-sysconf := $(filter $(sysconfdir)/%,$(install-others))
|
||||
install-others := $(filter-out $(sysconfdir)/%,$(install-others))
|
||||
|
||||
# Add the unversioned lib*.so's to install-lib.
|
||||
install-lib += $(install-lib.so)
|
||||
# Add the unversioned lib*.so's.
|
||||
install-slib = $(install-lib.so)
|
||||
|
||||
# For each versioned lib*.so, add three files:
|
||||
# lib*-VERSION.so, lib*.so.MAJOR, and lib*.so
|
||||
install-lib += $(foreach lib,$(versioned),\
|
||||
$(patsubst %.so,%-$(version).so,$(lib)) \
|
||||
$(lib)$($(lib)-version) $(lib))
|
||||
# For each versioned lib*.so, add two files:
|
||||
# lib*-VERSION.so and lib*.so.MAJOR
|
||||
install-slib += $(foreach lib,$(versioned),\
|
||||
$(patsubst %.so,%-$(version).so,$(lib)) \
|
||||
$(lib)$($(lib)-version))
|
||||
install-lib += $(versioned)
|
||||
|
||||
# Add libc.a and libc_p.a.
|
||||
install-lib += $(foreach o,$(filter-out .so,$(object-suffixes)),\
|
||||
|
|
@ -48,18 +49,17 @@ install-lib += $(foreach o,$(filter-out .so,$(object-suffixes)),\
|
|||
ifeq (yes,$(build-shared))
|
||||
# Add libc.so itself, which is a special case in Makerules.
|
||||
ifndef libc.so-version
|
||||
install-others += $(slibdir)/libc.so
|
||||
install-slib += libc.so
|
||||
else
|
||||
install-others += $(libdir)/libc.so \
|
||||
$(slibdir)/libc-$(version).so \
|
||||
$(slibdir)/libc.so$(libc.so-version)
|
||||
install-lib += libc.so
|
||||
install-slib += libc-$(version).so libc.so$(libc.so-version)
|
||||
endif
|
||||
endif
|
||||
|
||||
|
||||
all: glibc-$(version).$(config).rpm
|
||||
|
||||
instvars = include lib bin sbin data others
|
||||
instvars = include lib slib bin sbin data others
|
||||
|
||||
# Generate the rpm spec file for this configuration.
|
||||
$(config): template $(distinfo) Makefile
|
||||
|
|
|
|||
|
|
@ -124,8 +124,6 @@ $(inst_includedir)/rpcsvc/bootparam_prot.h: \
|
|||
# Install the rpc data base file.
|
||||
$(inst_sysconfdir)/rpc: etc.rpc
|
||||
$(do-install)
|
||||
|
||||
defines := $(defines) -D_PATH_RPC='"$(sysconfdir)/rpc"'
|
||||
|
||||
# Generate the rpcsvc headers with rpcgen.
|
||||
# We use a stamp file to avoid unnessary recompilation each time rpcgen is
|
||||
|
|
|
|||
|
|
@ -32,7 +32,7 @@
|
|||
|
||||
#define NANF \
|
||||
(__extension__ \
|
||||
((union { unsigned __l __attribute__((__mode__(__SI__))); flaot __d; }) \
|
||||
((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
|
||||
{ __l: 0x7fc00000UL }).__d)
|
||||
|
||||
#else
|
||||
|
|
|
|||
|
|
@ -247,6 +247,10 @@ sb7 = -2.24409524465858183362e+01; /* 0xC03670E2, 0x42712D62 */
|
|||
if(hx>=0) return one-r/x; else return r/x-one;
|
||||
}
|
||||
weak_alias (__erf, erf)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__erf, __erfl)
|
||||
weak_alias (__erf, erfl)
|
||||
#endif
|
||||
|
||||
#ifdef __STDC__
|
||||
double __erfc(double x)
|
||||
|
|
|
|||
|
|
@ -34,3 +34,7 @@ __fdim (double x, double y)
|
|||
return x < y ? 0 : x - y;
|
||||
}
|
||||
weak_alias (__fdim, fdim)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__fdim, __fdiml)
|
||||
weak_alias (__fdim, fdiml)
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -27,3 +27,7 @@ __fmax (double x, double y)
|
|||
return (isgreaterequal (x, y) || isnan (y)) ? x : y;
|
||||
}
|
||||
weak_alias (__fmax, fmax)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__fmax, __fmaxl)
|
||||
weak_alias (__fmax, fmaxl)
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -27,3 +27,7 @@ __fmin (double x, double y)
|
|||
return (islessequal (x, y) || isnan (y)) ? x : y;
|
||||
}
|
||||
weak_alias (__fmin, fmin)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__fmim, __fminl)
|
||||
weak_alias (__fmin, fminl)
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -129,3 +129,7 @@ static double zero = 0.0;
|
|||
}
|
||||
|
||||
weak_alias (__log2, log2)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__log2, __log2l)
|
||||
weak_alias (__log2, log2l)
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -28,9 +28,6 @@
|
|||
double
|
||||
__nan (const char *tagp)
|
||||
{
|
||||
static const union ieee754_double nan_value =
|
||||
{ ieee: { mantissa1: 0, mantissa0: 0x80000, exponent: 0x7ff, negative: 0 } };
|
||||
|
||||
if (tagp[0] != '\0')
|
||||
{
|
||||
char buf[6 + strlen (tagp)];
|
||||
|
|
@ -38,6 +35,10 @@ __nan (const char *tagp)
|
|||
return strtod (buf, NULL);
|
||||
}
|
||||
|
||||
return nan_value.d;
|
||||
return NAN;
|
||||
}
|
||||
weak_alias (__nan, nan)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__nan, __nanl)
|
||||
weak_alias (__nan, nanl)
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -28,9 +28,6 @@
|
|||
float
|
||||
__nanf (const char *tagp)
|
||||
{
|
||||
static const union ieee754_float nan_value =
|
||||
{ ieee: { mantissa: 0x400000, exponent: 0xff, negative: 0 } };
|
||||
|
||||
if (tagp[0] != '\0')
|
||||
{
|
||||
char buf[6 + strlen (tagp)];
|
||||
|
|
@ -38,6 +35,6 @@ __nanf (const char *tagp)
|
|||
return strtof (buf, NULL);
|
||||
}
|
||||
|
||||
return nan_value.f;
|
||||
return NANF;
|
||||
}
|
||||
weak_alias (__nanf, nanf)
|
||||
|
|
|
|||
|
|
@ -28,10 +28,6 @@
|
|||
long double
|
||||
__nanl (const char *tagp)
|
||||
{
|
||||
static const union ieee854_long_double nan_value =
|
||||
{ ieee: { mantissa1: 0, mantissa0: 0xc0000000,
|
||||
exponent: 0x7fff, negative: 0 } };
|
||||
|
||||
if (tagp[0] != '\0')
|
||||
{
|
||||
char buf[6 + strlen (tagp)];
|
||||
|
|
@ -39,6 +35,6 @@ __nanl (const char *tagp)
|
|||
return strtold (buf, NULL);
|
||||
}
|
||||
|
||||
return nan_value.d;
|
||||
return NANL;
|
||||
}
|
||||
weak_alias (__nanl, nanl)
|
||||
|
|
|
|||
|
|
@ -110,3 +110,7 @@ __remquo (double x, double y, int *quo)
|
|||
return x;
|
||||
}
|
||||
weak_alias (__remquo, remquo)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__remquo, __remquol)
|
||||
weak_alias (__remquo, remquol)
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -414,7 +414,7 @@ __inline_forward(void,sincosl,
|
|||
#define isgreater(x, y) \
|
||||
__extension__ \
|
||||
({ char __result; \
|
||||
__asm__ ("fcmp %2,%1; fsogt %0" \
|
||||
__asm__ ("fcmp%.x %2,%1; fsogt %0" \
|
||||
: "=dm" (__result) : "f" (x), "f" (y)); \
|
||||
(int) __result; })
|
||||
|
||||
|
|
@ -422,7 +422,7 @@ __inline_forward(void,sincosl,
|
|||
#define isgreaterequal(x, y) \
|
||||
__extension__ \
|
||||
({ char __result; \
|
||||
__asm__ ("fcmp %2,%1; fsoge %0" \
|
||||
__asm__ ("fcmp%.x %2,%1; fsoge %0" \
|
||||
: "=dm" (__result) : "f" (x), "f" (y)); \
|
||||
(int) __result; })
|
||||
|
||||
|
|
@ -430,7 +430,7 @@ __inline_forward(void,sincosl,
|
|||
#define isless(x, y) \
|
||||
__extension__ \
|
||||
({ char __result; \
|
||||
__asm__ ("fcmp %2,%1; fsolt %0" \
|
||||
__asm__ ("fcmp%.x %2,%1; fsolt %0" \
|
||||
: "=dm" (__result) : "f" (x), "f" (y)); \
|
||||
(int) __result; })
|
||||
|
||||
|
|
@ -438,7 +438,7 @@ __inline_forward(void,sincosl,
|
|||
#define islessequal(x, y) \
|
||||
__extension__ \
|
||||
({ char __result; \
|
||||
__asm__ ("fcmp %2,%1; fsole %0" \
|
||||
__asm__ ("fcmp%.x %2,%1; fsole %0" \
|
||||
: "=dm" (__result) : "f" (x), "f" (y)); \
|
||||
(int) __result; })
|
||||
|
||||
|
|
@ -446,7 +446,7 @@ __inline_forward(void,sincosl,
|
|||
#define islessgreater(x, y) \
|
||||
__extension__ \
|
||||
({ char __result; \
|
||||
__asm__ ("fcmp %2,%1; fsogl %0" \
|
||||
__asm__ ("fcmp%.x %2,%1; fsogl %0" \
|
||||
: "=dm" (__result) : "f" (x), "f" (y)); \
|
||||
(int) __result; })
|
||||
|
||||
|
|
@ -454,7 +454,7 @@ __inline_forward(void,sincosl,
|
|||
#define isunordered(x, y) \
|
||||
__extension__ \
|
||||
({ char __result; \
|
||||
__asm__ ("fcmp %2,%1; fsun %0" \
|
||||
__asm__ ("fcmp%.x %2,%1; fsun %0" \
|
||||
: "=dm" (__result) : "f" (x), "f" (y)); \
|
||||
(int) __result; })
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -34,9 +34,8 @@ feraiseexcept (int excepts)
|
|||
if (excepts & FE_INVALID)
|
||||
{
|
||||
/* One example of a invalid operation is 0 * Infinity. */
|
||||
double d = 0.0 * HUGE_VAL;
|
||||
/* Now force the exception. */
|
||||
__asm__ __volatile__ ("fnop" : : "f" (d));
|
||||
double d = HUGE_VAL;
|
||||
__asm__ __volatile__ ("fmul%.s %#0r0,%0; fnop" : "=f" (d) : "0" (d));
|
||||
}
|
||||
|
||||
/* Next: division by zero. */
|
||||
|
|
@ -49,26 +48,21 @@ feraiseexcept (int excepts)
|
|||
/* Next: overflow. */
|
||||
if (excepts & FE_OVERFLOW)
|
||||
{
|
||||
long double d = LDBL_MAX * LDBL_MAX;
|
||||
/* Now force the exception. */
|
||||
__asm__ __volatile__ ("fnop" : : "f" (d));
|
||||
long double d = LDBL_MAX;
|
||||
__asm__ __volatile__ ("fmul%.x %0,%0; fnop" : "=f" (d) : "0" (d));
|
||||
}
|
||||
|
||||
/* Next: underflow. */
|
||||
if (excepts & FE_UNDERFLOW)
|
||||
{
|
||||
long double d = LDBL_MIN / 16.0;
|
||||
/* Now force the exception. */
|
||||
__asm__ __volatile__ ("fnop" : : "f" (d));
|
||||
long double d = LDBL_MIN;
|
||||
__asm__ __volatile__ ("fdiv%.s %#0r16,%0; fnop" : "=f" (d) : "0" (d));
|
||||
}
|
||||
|
||||
/* Last: inexact. */
|
||||
if (excepts & FE_INEXACT)
|
||||
{
|
||||
long double d1, d2 = 1.0;
|
||||
__asm__ __volatile__ ("fmovecr %#0,%0\n\t"
|
||||
"fdiv%.x %1,%0\n\t"
|
||||
"fnop"
|
||||
: "=&f" (d1) : "f" (d2));
|
||||
long double d = 1.0;
|
||||
__asm__ __volatile__ ("fdiv%.s %#0r3,%0; fnop" : "=f" (d) : "0" (d));
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -26,15 +26,19 @@
|
|||
|
||||
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
|
||||
|
||||
#define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
|
||||
|
||||
#define __huge_val_t union { unsigned char __c[8]; double __d; }
|
||||
#ifdef __GNUC__
|
||||
#define HUGE_VAL (__extension__ \
|
||||
((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
|
||||
#else /* Not GCC. */
|
||||
static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
|
||||
|
||||
#define HUGE_VAL \
|
||||
(__extension__ \
|
||||
((union { unsigned long long __l; double __d; }) \
|
||||
{ __l: 0x7ff0000000000000ULL }).__d)
|
||||
|
||||
#else /* not GCC */
|
||||
|
||||
static union { unsigned char __c[8]; double __d; } __huge_val =
|
||||
{ { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } };
|
||||
#define HUGE_VAL (__huge_val.__d)
|
||||
|
||||
#endif /* GCC. */
|
||||
|
||||
|
||||
|
|
@ -42,27 +46,28 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
|
|||
|
||||
#ifdef __USE_ISOC9X
|
||||
|
||||
#define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
|
||||
#ifdef __GNUC__
|
||||
|
||||
#define __huge_valf_t union { unsigned char __c[4]; float __f; }
|
||||
#ifdef __GNUC__
|
||||
#define HUGE_VALF (__extension__ \
|
||||
((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
|
||||
#else /* Not GCC. */
|
||||
static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
|
||||
#define HUGE_VALF \
|
||||
(__extension__ \
|
||||
((union { unsigned long __l; float __f; }) \
|
||||
{ __l: 0x7f800000UL }).__f)
|
||||
|
||||
#define HUGE_VALL \
|
||||
(__extension__ \
|
||||
((union { unsigned long __l[3]; long double __ld; }) \
|
||||
{ __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld)
|
||||
|
||||
#else /* not GCC */
|
||||
|
||||
static union { unsigned char __c[4]; float __f; } __huge_valf =
|
||||
{ { 0x7f, 0x80, 0, 0 } };
|
||||
#define HUGE_VALF (__huge_valf.__f)
|
||||
#endif /* GCC. */
|
||||
|
||||
|
||||
#define __HUGE_VALL_bytes { 0x7f, 0xff, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
|
||||
|
||||
#define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
|
||||
#ifdef __GNUC__
|
||||
#define HUGE_VALL (__extension__ \
|
||||
((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
|
||||
#else /* Not GCC. */
|
||||
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
|
||||
static union { unsigned char __c[12]; long double __ld; } __huge_vall =
|
||||
{ { 0x7f, 0xff, 0, 0, 0x80, 0, 0, 0, 0, 0, 0, 0 } };
|
||||
#define HUGE_VALL (__huge_vall.__ld)
|
||||
|
||||
#endif /* GCC. */
|
||||
|
||||
#endif /* __USE_ISOC9X. */
|
||||
|
|
|
|||
|
|
@ -0,0 +1,59 @@
|
|||
/* `NAN' constants for m68k.
|
||||
Copyright (C) 1997 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#ifndef _NAN_H
|
||||
|
||||
#define _NAN_H 1
|
||||
|
||||
/* IEEE Not A Number. */
|
||||
|
||||
#ifdef __GNUC__
|
||||
|
||||
#define NAN \
|
||||
(__extension__ \
|
||||
((union { unsigned long long __l; double __d; }) \
|
||||
{ __l: 0x7fffffffffffffffULL }).__d)
|
||||
|
||||
#define NANF \
|
||||
(__extension__ \
|
||||
((union { unsigned long __l; float __f; }) \
|
||||
{ __l: 0x7fffffffUL }).__f)
|
||||
|
||||
#define NANL \
|
||||
(__extension__ \
|
||||
((union { unsigned long __l[3]; long double __ld; }) \
|
||||
{ __l: { 0x7fff0000UL, 0xffffffffUL, 0xffffffffUL } }).__ld)
|
||||
|
||||
#else
|
||||
|
||||
static union { unsigned char __c[8]; double __d; } __nan =
|
||||
{ { 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
|
||||
#define NAN (__nan.__d)
|
||||
|
||||
static union { unsigned char __c[4]; float __f; } __nanf =
|
||||
{ { 0x7f, 0xff, 0xff, 0xff } };
|
||||
#define NANF (__nanf.__f)
|
||||
|
||||
static union { unsigned char __c[12]; long double __ld; } __nanl =
|
||||
{ { 0x7f, 0xff, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
|
||||
#define NANL (__nanl.__ld)
|
||||
|
||||
#endif /* GCC. */
|
||||
|
||||
#endif /* nan.h */
|
||||
Loading…
Reference in New Issue