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.
* libc/string/bcmp.c: Include <strings.h> for "bcmp".
* libc/string/bcopy.c: Include <strings.h> for "bcopy".
* libc/string/strcasestr.c: Include <strings.h> for "strncasecmp".
* libc/time/strptime.c: Include <strings.h> for "strncasecmp".
if __HAVE_LOCALE_INFO_EXTENDED__ is defined.
* libc/include/langinfo.h (enum __nl_item): New type. Define all
native values accessible through nl_langinfo. Define previously
existing POSIX-compatible values as macros as well.
* libc/include/stdlib.h (__mb_cur_max): Drop declaration.
(__locale_mb_cur_max): Declare.
(MB_CUR_MAX): Re-define calling __locale_mb_cur_max.
* libc/locale/Makefile.am (ELIX_SOURCES): Add lctype.c.
* libc/locale/Makefile.in: Regenerate.
* libc/locale/lctype.c: New file to define and load LC_CTYPE category.
* libc/locale/lctype.h: New file, matching header.
* libc/locale/lmessages.c (_C_messages_locale): Add default values for
wide char members.
(__messages_load_locale): Add _C_messages_locale in call to
__set_lc_messages_from_win.
* libc/locale/lmessages.h (struct lc_messages_T): Add wide char members.
* libc/locale/lmonetary.c (_C_monetary_locale): Add default values for
wide char members.
(__monetary_load_locale): Add _C_monetary_locale in call to
__set_lc_monetary_from_win.
* libc/locale/lmonetary.h (struct lc_monetary_T): Add wide char members.
Add numerical values for international currency formatting per
POSIX-1.2008, if __HAVE_LOCALE_INFO_EXTENDED__ is defined.
* libc/locale/lnumeric.c (_C_numeric_locale): Add default values for
wide char members.
(__numeric_load_locale): Add _C_numeric_locale in call to
__set_lc_numeric_from_win.
* libc/locale/lnumeric.h (struct lc_numeric_T): Add wide char members.
* libc/locale/locale.c (loadlocale): Return doing nothing if category
locale didn't change. Convert category if chain to switch statement.
Call __ctype_load_locale in LC_CTYPE case.
(__locale_charset): Add (but disable for now) returning codeset from
__get_current_ctype_locale.
(__locale_mb_cur_max): Add (but disable for now) returning mb_cur_max
from __get_current_ctype_locale.
(__locale_msgcharset): Add returning codeset from
__get_current_messages_locale.
(_localeconv_r): Accommodate int_XXX values.
* libc/locale/nl_langinfo.c (nl_ext): New array to define what is to
be returned for non-POSIX values.
(nl_Langinfo): Return correct codeset for each locale category. Return
extended values if __HAVE_LOCALE_INFO_EXTENDED__ is defined.
* libc/locale/timelocal.c (_C_time_locale): Add default values for
wide char members.
(__time_load_locale): Add _C_time_locale in call to
__set_lc_time_from_win.
* libc/locale/timelocal.h (struct lc_time_T): Add wide char members.
* libc/stdio/vfwprintf.c (_VFWPRINTF_R): Use wide char decimal point
and thousands_sep if __HAVE_LOCALE_INFO_EXTENDED__ is defined.
* libc/time/strftime.c: Rework to accommodate availability of wide char
strings in LC_TIME category if __HAVE_LOCALE_INFO_EXTENDED__ is defined.
LC_TIME locale category. Conditionalize using _WANT_C99_TIME_FORMATS
flag.
(STRTOUL): Define differently for building strftime or wcsftime.
(STRCPY): Ditto.
(STRCHR): Ditto.
(STRLEN): Ditto.
(CHECK_LENGTH): Define to simplify code.
(era_info_t): New type to store era info.
(get_era_info): New function to fetch era info matching incoming
struct tm.
(free_era_info): New function to free era info.
(alt_digits_t): New type to store alternative digits.
(get_alt_digits): New function to convert alt_digits string into
alt_digits_t structure.
(free_alt_digits): New function to free alt_digits info.
(conv_to_alt_digits): New function to convert unsigned value into
alternative digits.
(strftime): Conditionalize on _WANT_C99_TIME_FORMATS. If
_WANT_C99_TIME_FORMATS is defined, define as just a wrapper function
providing era_info and alt_digits pointers and call ...
(__strftime): Rename from strftime and make static if
_WANT_C99_TIME_FORMATS is defined. Add parameters for era_info and
alt_digits pointers. Handle conversion modifiers according to
POSIX-1.2008. Redefine %F and %Y according to POSIX. Add default case
to allow to bail out on invalid conversion specifiers.
* libc/include/sys/config.h: Move Cygwin build flags to Cygwin's
config.h.
* libc/include/stdio.h: Remove __CYGWIN_USE_BIG_TYPES__ condition.
parameters for wide char to multibyte conversion. Call
__set_lc_monetary_from_win on Cygwin.
* libc/locale/lmonetary.h: Make C++-safe.
(__monetary_load_locale): Change declaration.
* libc/locale/lnumeric.c (__numeric_load_locale): Take additional
parameters for wide char to multibyte conversion. Call
__set_lc_numeric_from_win on Cygwin.
* libc/locale/lnumeric.h: Make C++-safe.
(__numeric_load_locale): Change declaration.
* libc/locale/locale.c (lconv): De-constify for Cygwin.
(__set_charset_from_locale): Rename from
__set_charset_from_codepage. Take locale as parameter instead of
a codepage.
(loadlocale): Allow "EUC-JP" for "EUCJP" and "EUC-KR" for "EUCKR".
Change documnetation accordingly. Enable LC_COLLATE, LC_MONETARY,
LC_NUMERIC, and LC_TIME handling on Cygwin.
(_localeconv_r): On Cygwin, copy values from monetary and numeric
domain if change has been noted.
* libc/locale/nl_langinfo.c (nl_langinfo): Accommodate change of
am/pm layout in struct lc_time_T.
* libc/locale/timelocal.c (_C_time_locale): Accommodate
redefinition of am/pm members.
(__time_load_locale): Take additional parameters for wide char
to multibyte conversion. Call __set_lc_time_from_win on Cygwin.
* libc/locale/timelocal.h: Make C++-safe.
(struct lc_time_T): Convert am and pm to a am_pm array for easier
consumption by strftime and strptime.
(__time_load_locale): Change declaration.
* libc/time/strftime.c: Change documentation to reflect changes to
strftime. Remove locale constant strings in favor of access to
locale-specifc data.
(_ctloc): Define access method for locale-specifc data.
(TOLOWER): Define for tolower conversion.
(strftime): Throughout, convert locale-specific formats to use
locale-specific data. Add GNU-specific "%P" format.
* libc/time/strptime.c: Remove locale constant strings in favor of
access to locale-specifc data.
(_ctloc): Define access method for locale-specifc data.
(strptime): Throughout, convert locale-specific formats to use
locale-specific data.
correct how terminating L'\0' is added;
change return to match standard for when output does not fit;
some corrections and enhancements to the docs.
* libc/stdio/vswprintf.c (_vswprintf_r): ditto, except for docs.
* libc/stdio/vfwprintf.c: some corrections to the docs and some
enhancements to comments. (No code changes.)
* libc/time/strftime.c: Correct some problems that made wcsftime()
not work correctly: work properly with swprintf returns that are
different from snprintf returns, correct test vector lengths for
when sizeof(wchar_t) > 1.
* libc/stdio/sprintf.c: Some documentation and comment corrections and
enhancements to match those done to swprintf.c.
defines strftime(), but can also define wcsftime(); add optional
test package; speed up %Y handling.
* libc/time/wcsftime.c: New file, defining wcsftime() (albeit
indirectly by including strftime.c) and its documentation.
* libc/time/time.tex: Enhance tm_isdst explanation, change strftime
description to match modified description in strftime.c
* libc/time/Makefile.am: Add wcsftime.c and wcsftime.def. Add a rule
so that wcsftime.o gets rebuilt when strftime changes.
* libc/time/Makefile.in: Regenerate.
* libc/include/wchar.h (wcsftime): Declare.
* acinclude.m4: Check for readelf tool.
* configure.in: Use ${READELF} instead of hard-coding.
* Regenerate all aclocal.m4, Makefile.in, and configure files.
* libc/time/tzvars.c: New file.
* libc/time/tzset_r.c: Moved globals into tzvars.c
so other time functions needn't link in __tzset_r and its
dependencies.
* libc/time/Makefile.am: Add the new file.
* libc/time/Makefile.in: Regenerated.
* libc/include/time.h (__tzrule_struct): Make offset long, since
a 16-bit int overflows on a 12-hour offset.
* libc/sys/linux/include/time.h: Ditto.
* libc/time/mktime.c (mktime): Use new type of __tzrule.offset.
* libc/time/mktm_r.c: Ditto.
* libc/time/gettzinfo.c: Ditto.
* libc/time/strftime.c (strftime): Fix '%x' to deal with negative
years. Fix '%z' to use long, not int.
* libc/include/time.h [!CYGWIN](_timezone): Change to long.
(__tzrule_type, __tzinfo_type): New types.
(__gettzinfo): New function.
* libc/sys/linux/include/time.h: Ditto.
* libc/time/Makefile.am: Add gettzinfo.c.
* libc/time/Makefile.in: Regenerated.
* libc/time/local.h: Moved __tzrule_type to time.h.
* libc/time/mktime.c: Call __gettzinfo to reference
__tznorth, __tzyear, and __tzrule array.
* libc/time/mktm_r.c: Ditto.
* libc/time/strftime.c: Ditto.
* libc/time/tzset_r.c: Ditto. Also remove definition
of __tzrule which is now in gettzinfo.c. Change _timezone
references to not cast to time_t.
* libc/time/gettzinfo.c: New file.
* libc/time/time.tex: Improve the documentation.
* libc/time/strftime.c: Improve the documentation.
(iso_year_adjust): New helper function.
(strftime): Simplify '%E' and '%O'. Change '%c' to use
recursion. Fix '%C', '%y', and '%Y' to deal with years with more
than 4 characters. Combine '%d' and '%e'. Implement '%D', '%F',
'%g', '%G', '%n', '%R', '%t', '%T', '%u', '%V', '%X', and '%z'.
Avoid core dumps on valid inputs (maxsize == 0, or
tim_p->tm_isdst > 1).
* libc/time/strftime.c (strftime): Change %r and %x to be compliant
to POSIX standard for "C" locale. Allow %E and %O modifiers
to be ignored as long as they precede valid specifiers according
to POSIX.