semantics from POSIX to BSD.
* libc/stdio/fclose.c (_fclose_r): Conditionalize file flushing on
_STDIO_BSD_SEMANTICS. Call __sflush_r rather than _fflush_r. Add
comment.
* libc/stdio/fflush.c (__sflushw_r): New function, only available
if _STDIO_BSD_SEMANTICS is defined.
* libc/stdio/findfp.c (_cleanup_r): Call _fwalk_reent rather than
_fwalk. Conditionalize cleanup function call on _STDIO_BSD_SEMANTICS.
Add comments. Add FIXME.
* libc/stdio/local.h (__sflushw_r): Declare if _STDIO_BSD_SEMANTICS is
defined.
__readfn and __writefn parameter to match new definition of
FILE's _read and _write methods.
(_funopen_r): Ditto.
(funopen): Ditto.
(_funopen_r): Ditto.
* libc/include/sys/config.h (_READ_WRITE_BUFSIZE_TYPE) Define
as type int if not already defined. Add comment to explain.
* libc/include/sys/reent.h: Include stddef.h.
(struct __sFILE): Change type of last parameter in declaration
of _read and _write methods to _READ_WRITE_BUFSIZE_TYPE.
(struct __sFILE64): Ditto.
* libc/stdio/local.h (__sread): Declare with last parameter set
to _READ_WRITE_BUFSIZE_TYPE.
(__seofread): Ditto.
(__swrite): Ditto.
(__swrite64): Ditto.
* libc/stdio/fvwrite.c (__sfvwrite_r): Change type of local
variables w and s to _READ_WRITE_RETURN_TYPE.
* libc/stdio/fflush.c (__sflush_r): Change type of local variables
n and t to _READ_WRITE_BUFSIZE_TYPE and _READ_WRITE_RETURN_TYPE.
Add local variables flags to keep _flags value.
* libc/stdio/fmemopen.c (fmemreader): Align to above change.
(fmemwriter): Ditto.
* libc/stdio/fopencookie.c (fcreader): Ditto.
(fcwriter): Ditto.
* libc/stdio/funopen.c (funread): Ditto.
(funwrite): Ditto.
(funreader): Ditto.
(funwriter): Ditto.
* libc/stdio/open_memstream.c (memwriter): Ditto.
* libc/stdio/stdio.c (__sread): Ditto.
(__seofread): Ditto.
(__swrite): Ditto.
* libc/stdio64/stdio64.c (__swrite64): Ditto.
* newlib.hin (_WCHAR_ORIENT): Undef
* configure.in (--enable-newlib-wchar-orient): New option.
* configure: Regenerated.
* libc/configure.in (--enable-newlib-wchar-orient): New option.
* libc/configure: Regenerated.
* libc/stdio/Makefile.am (NEWLIB_WIDE_ORIENT): Use.
* libc/stdio/Makefile.in: Regenerated.
* libc/stdio/local.h (ORIENT): Use _WCHAR_ORIENT to control
the definition. Add alternative definition.
* libc/stdio/vfprintf.c (__sfputs_r, __sprint_r): Use _WCHAR_ORIENT
to control the wide char output.
* newlib.hin (_FVWRITE_IN_STREAMIO): Undefine.
* configure.in (--disable-newlib-fvwrite-in-streamio): New option.
* configure: Regenerated.
* libc/stdio/fputs.c (_fputs_r): Use _FVWRITE_IN_STREAMIO to
control __sfvwrite_r. Add alternative implementation.
* libc/stdio/fputws.c (_fputws_r): Ditto.
* libc/stdio/fwrite.c (_fwrite_r): Ditto.
* libc/stdio/puts.c (_puts_r): Ditto.
* libc/stdio/vfprintf.c (__ssputs_r, __sfputs_r): New function.
(_VFPRINTF_R): Use _FVWRITE_IN_STREAMIO to control vector buffer.
(__SPRINT): Use _FVWRITE_IN_STREAMIO to control macro definition.
* libc/stdio/vfwprintf.c (_VFWPRINTF_R): Use _FVWRITE_IN_STREAMIO
to control vector buffer.
from int to _off_t.
* libc/stdio/ftell.c: Use _ftello_r().
* libc/stdio/ftello.c: Copy implementation from previous
_ftell_r().
* libc/stdio/fseek.c: Use _fseeko_r().
* libc/stdio/fseeko.c: Copy implementation from previous
_fseek_r().
throughout in place of explicit GNUC version checks.
* libc/include/_ansi.h (_NOINLINE): Define.
(_NOINLINE_STATIC): Define.
* libc/stdio/vfprintf.c (__sbprintf): Define _NOINLINE_STATIC.
compiler warnings found this way.
* libc/stdio/freopen.c (_freopen_r): Fix bug setting _flags.
* libc/include/stdio.h (_rename): Define when building newlib.
* libc/include/sys/signal.h (_kill): Ditto.
* libc/include/sys/stat.h (_mkdir): Ditto.
* libc/include/sys/time.h (_gettimeofday): Ditto.
* libc/include/sys/times.h (_times): Ditto.
* libc/include/sys/wait.h (_wait): Ditto.
* libc/locale/lmessages.c (empty): Don't define for Cygwin.
* libc/locale/lmonetary.c (cnv): Ditto.
* libc/locale/nl_langinfo.c (nl_langinfo): Ditto for variable s.
* libc/posix/collate.c: Throughout cast to avoid compiler warning.
* libc/posix/engine.c (matcher): Initialize dp to avoid compiler
warning.
* libc/posix/glob.c: Disable on Cygwin. Explain why.
* libc/posix/regcomp.c: Fix "uninitialized" compiler warnings.
(dissect): Deliberately silence gcc compiler warning. Add comment to
explain why.
* libc/posix/wordexp.c (wordexp): Remove num_bytes variable since result
is never used.
* libc/posix/popen.c (popen): Ditto for variable last.
* libc/reent/mkdirr.c: Include sys/stat.h.
* libc/reent/renamer.c: Include stdio.h.
* libc/search/hash.c: Throughout use underscored variants of the stat
function family.
(init_hash): Add missing definition for the __USE_INTERNAL_STAT64 case.
* libc/search/hash_bigkey.c (__big_insert): Add parenthesis to avoid
compiler warning.
* libc/search/hash_page.c (overflow_page): Initalize freep to NULL to
avoid compiler warning.
* libc/stdio/asiprintf.c (_asiprintf_r): Cast unsigned char * to char *
to avoid compiler warning.
(asiprintf): Ditto.
* libc/stdio/asprintf.c (_asprintf_r): Ditto.
(asprintf): Ditto.
* libc/stdio/vasiprintf.c (_vasiprintf_r): Ditto.
* libc/stdio/vasprintf.c (_vasprintf_r): Ditto.
* libc/stdio/mktemp.c (_gettemp): Cast to unsigned char in call to
isdigit to avoid compiler warning.
* libc/stdio/vfprintf.c (_VFPRINTF_R): Initialize variables used for
grouping to avoid compiler warning. Only define and set nseps and
nrepeats if they are really used.
* libc/stdio/vfwprintf.c (_VFWPRINTF_R): Ditto. Only define state if
it is really used.
* libc/stdio/vfscanf.c (u_char): Revert to be defined as unsigned char.
(__SVFSCANF_R): Cast fmt in call to __mbtowc.
* libc/stdlib/mbtowc_r.c (JIS_state_table): Disable when building
Cygwin.
(JIS_action_table): Ditto.
* libc/stdlib/wctomb_r.c (__utf8_wctomb): Add parenthesis to avoid
compiler warning.
* libc/string/strcasestr.c: Deliberately silence gcc compiler warning.
Add comment to explain why.
* libc/time/strptime.c (strptime): Cast to unsigned char in calls to
isspace to avoid compiler warning.
* libm/math/e_atan2.c (__ieee754_atan2): Add parenthesis to avoid
compiler warning.
* libm/math/e_exp.c (__ieee754_exp): Initialize k to 0 to avoid
compiler warning. Drop setting it to 0 later.
* libm/math/ef_exp.c (__ieee754_expf): Ditto.
* libm/math/e_pow.c (__ieee754_pow): Add braces to avoid compiler
warning.
* libm/math/ef_pow.c (__ieee754_powf): Ditto.
* libm/math/er_lgamma.c (__ieee754_lgamma_r): Initialize nadj to 0 to
avoid compiler warning.
* libm/math/erf_lgamma.c (__ieee754_lgammaf_r): Ditto.
* libm/math/e_rem_pio2.c (__ieee754_rem_pio2): Ditto for variable z.
* libm/common/sf_round.c (roundf): Remove signbit variable since result
is never used.
secure stream related critical section against thread cancellation.
(_newlib_flockfile_exit): Ditto.
(_newlib_sfp_lock_end): Ditto.
(_newlib_sfp_lock_start): Ditto for the list of streams.
(_newlib_sfp_lock_exit): Ditto.
(_newlib_sfp_lock_end): Ditto.
Use aforementioned macros in place of _flockfile/_funlockfile
and __sfp_lock_acquire/__sfp_lock_release throughout the code.
* libc/stdio/fclose.c: Explicitely disable and re-enable thread
cancellation. Explain why.
* libc/stdio/freopen.c: Ditto.
* libc/stdio64/freopen64.c: Ditto.
* libc/posix/regexec.c: Define "nope" only #ifndef NDEBUG.
* libc/stdio/vfscanf.c: Define "state" only #ifdef _MB_CAPABLE.
* libc/string/wcwidth.c: Include <wctypes.h> for "iswprint" and
"iswcntrl".
* libc/stdio/vasiprintf.c: Include "local.h" for "_svfiprintf_r".
* libc/stdio/vasprintf.c Include "local.h" for "_svfprintf_r".
* libc/stdio/vsiprintf.c: Include "local.h" for "_svfiprintf_r".
* libc/stdio/vsniprintf.c: Include "local.h" for "_svfiprintf_r".
* libc/stdio/vsnprintf.c: Include "local.h" for "_svfprintf_r"
* libc/stdio/vsprintf.c: Include "local.h" for "_svfprintf_r"
* libc/stdio/vfwprintf.c (wcvt): Add a new parameter len of type
int. *length is set to the value of (rev - digits) regardless
of whether _MB_CAPABLE is defined or not. Replace BUF with len
in calling _mbsnrtowcs_r and also in the loop where _MB_CAPABLE
is not defined.
(_VFWPRINTF_R): Call wcvt with an extra argument. Call wcvt
again with allocated new buffer if buf is not large enough for
the conversion.
* testsuite/newlib.stdio/stdio.exp: New.
* testsuite/newlib.stdio/swprintf.c: Likewise.
changes of flags and fp lock.
* libc/stdio/freopen.c: Ditto.
* libc/stdio/freopen64.c: Ditto.
* libc/stdio/fgetc.c: Revert change from 2009-04-24, remove sfp locks
which guard entire function to avoid potential deadlocks when using
stdio functions in multiple thraeds.
* libc/stdio/fgets.c: Ditto.
* libc/stdio/fgetwc.c: Ditto.
* libc/stdio/fgetws.c: Ditto.
* libc/stdio/fread.c: Ditto.
* libc/stdio/fseek.c: Ditto.
* libc/stdio/getc.c: Ditto.
* libc/stdio/getdelim.c: Ditto.
* libc/stdio/gets.c: Ditto.
* libc/stdio/vfscanf.c: Ditto.
* libc/stdio/vfwscanf.c: Ditto.
* libc/stdio/fflush.c (_fflush_r): Split out core functionality into
new function __sflush_r. Just lock file and call __sflush_r from here.
* libc/stdio/fwalk.c (_fwalk): Remove static helper function and move
functionality back into main function. Don't walk a file with flags
value of 1. Add comment.
(_fwalk_reent): Ditto.
* libc/stdio/local.h (__sflush_r): Declare.
* libc/stdio/refill.c (__srefill): Before calling fwalk, set flags
value to 1 so this file pointer isn't walked. Revert flags afterwards
and call __sflush_r for this fp if necessary. Add comments.