diff options
Diffstat (limited to 'lib/config.hin')
| -rw-r--r-- | lib/config.hin | 1324 |
1 files changed, 914 insertions, 410 deletions
diff --git a/lib/config.hin b/lib/config.hin index 1a6ccb7..d338c18 100644 --- a/lib/config.hin +++ b/lib/config.hin @@ -37,6 +37,9 @@ #ifndef __ia64__ #undef __ia64__ #endif +#ifndef __loongarch64__ +#undef __loongarch64__ +#endif #ifndef __m68k__ #undef __m68k__ #endif @@ -108,6 +111,10 @@ #endif +/* Witness that <config.h> has been included. */ +#define _GL_CONFIG_H_INCLUDED 1 + + /* Define if building universal (internal helper macro) */ #undef AC_APPLE_UNIVERSAL_BUILD @@ -126,7 +133,7 @@ /* Define to the number of bits in type 'wint_t'. */ #undef BITSIZEOF_WINT_T -/* Define to 1 if the `closedir' function returns void instead of int. */ +/* Define to 1 if the 'closedir' function returns void instead of int. */ #undef CLOSEDIR_VOID /* Define to 1 if using 'alloca.c'. */ @@ -162,6 +169,10 @@ /* Define to 1 if fopen() fails to recognize a trailing slash. */ #undef FOPEN_TRAILING_SLASH_BUG +/* Define to 1 if fflush is known to work on stdin as per POSIX.1-2008, 0 if + fflush is known to not work, -1 if unknown. */ +#undef FUNC_FFLUSH_STDIN + /* Define to 1 if mkdir mistakenly creates a directory given with a trailing dot component. */ #undef FUNC_MKDIR_DOT_BUG @@ -169,6 +180,9 @@ /* Define to 1 if nl_langinfo (YESEXPR) returns a non-empty string. */ #undef FUNC_NL_LANGINFO_YESEXPR_WORKS +/* Define to 1 if the compiler is checking for lint. */ +#undef GCC_LINT + /* Define this to 'void' or 'struct timezone' to match the system's declaration of the second argument to gettimeofday. */ #undef GETTIMEOFDAY_TIMEZONE @@ -259,6 +273,9 @@ /* Define to 1 when the gnulib module btowc should be tested. */ #undef GNULIB_TEST_BTOWC +/* Define to 1 when the gnulib module calloc-gnu should be tested. */ +#undef GNULIB_TEST_CALLOC_GNU + /* Define to 1 when the gnulib module calloc-posix should be tested. */ #undef GNULIB_TEST_CALLOC_POSIX @@ -295,6 +312,9 @@ /* Define to 1 when the gnulib module fopen should be tested. */ #undef GNULIB_TEST_FOPEN +/* Define to 1 when the gnulib module fopen-gnu should be tested. */ +#undef GNULIB_TEST_FOPEN_GNU + /* Define to 1 when the gnulib module fprintf should be tested. */ #undef GNULIB_TEST_FPRINTF @@ -343,6 +363,9 @@ /* Define to 1 when the gnulib module getpagesize should be tested. */ #undef GNULIB_TEST_GETPAGESIZE +/* Define to 1 when the gnulib module getprogname should be tested. */ +#undef GNULIB_TEST_GETPROGNAME + /* Define to 1 when the gnulib module getrandom should be tested. */ #undef GNULIB_TEST_GETRANDOM @@ -370,6 +393,9 @@ /* Define to 1 when the gnulib module lstat should be tested. */ #undef GNULIB_TEST_LSTAT +/* Define to 1 when the gnulib module malloc-gnu should be tested. */ +#undef GNULIB_TEST_MALLOC_GNU + /* Define to 1 when the gnulib module malloc-posix should be tested. */ #undef GNULIB_TEST_MALLOC_POSIX @@ -427,6 +453,9 @@ /* Define to 1 when the gnulib module printf should be tested. */ #undef GNULIB_TEST_PRINTF +/* Define to 1 when the gnulib module pselect should be tested. */ +#undef GNULIB_TEST_PSELECT + /* Define to 1 when the gnulib module pthread_sigmask should be tested. */ #undef GNULIB_TEST_PTHREAD_SIGMASK @@ -457,6 +486,9 @@ /* Define to 1 when the gnulib module reallocarray should be tested. */ #undef GNULIB_TEST_REALLOCARRAY +/* Define to 1 when the gnulib module realloc-gnu should be tested. */ +#undef GNULIB_TEST_REALLOC_GNU + /* Define to 1 when the gnulib module realloc-posix should be tested. */ #undef GNULIB_TEST_REALLOC_POSIX @@ -475,9 +507,6 @@ /* Define to 1 when the gnulib module setsockopt should be tested. */ #undef GNULIB_TEST_SETSOCKOPT -/* Define to 1 when the gnulib module sigaction should be tested. */ -#undef GNULIB_TEST_SIGACTION - /* Define to 1 when the gnulib module sigprocmask should be tested. */ #undef GNULIB_TEST_SIGPROCMASK @@ -493,6 +522,9 @@ /* Define to 1 when the gnulib module stat should be tested. */ #undef GNULIB_TEST_STAT +/* Define to 1 when the gnulib module stpcpy should be tested. */ +#undef GNULIB_TEST_STPCPY + /* Define to 1 when the gnulib module strerror should be tested. */ #undef GNULIB_TEST_STRERROR @@ -511,6 +543,9 @@ /* Define to 1 when the gnulib module symlink should be tested. */ #undef GNULIB_TEST_SYMLINK +/* Define to 1 when the gnulib module time should be tested. */ +#undef GNULIB_TEST_TIME + /* Define to 1 when the gnulib module timegm should be tested. */ #undef GNULIB_TEST_TIMEGM @@ -526,9 +561,6 @@ /* Define to 1 when the gnulib module unsetenv should be tested. */ #undef GNULIB_TEST_UNSETENV -/* Define to 1 when the gnulib module vasprintf should be tested. */ -#undef GNULIB_TEST_VASPRINTF - /* Define to 1 when the gnulib module vfprintf should be tested. */ #undef GNULIB_TEST_VFPRINTF @@ -579,7 +611,7 @@ /* Define to 1 if you have the <arpa/inet.h> header file. */ #undef HAVE_ARPA_INET_H -/* Define to 1 if you have the `atoll' function. */ +/* Define to 1 if you have the 'atoll' function. */ #undef HAVE_ATOLL /* Define to 1 if you have the <bcrypt.h> header file. */ @@ -588,7 +620,7 @@ /* Define to 1 if you have the <bp-sym.h> header file. */ #undef HAVE_BP_SYM_H -/* Define to 1 if you have the `btowc' function. */ +/* Define to 1 if you have the 'btowc' function. */ #undef HAVE_BTOWC /* Define to 1 if nanosleep mishandles large arguments. */ @@ -605,208 +637,234 @@ the CoreFoundation framework. */ #undef HAVE_CFPREFERENCESCOPYAPPVALUE -/* Define to 1 if you have the `clock_gettime' function. */ +/* Define to 1 if you have the 'clock_getres' function. */ +#undef HAVE_CLOCK_GETRES + +/* Define to 1 if you have the 'clock_gettime' function. */ #undef HAVE_CLOCK_GETTIME -/* Define to 1 if you have the `clock_settime' function. */ +/* Define to 1 if you have the 'clock_settime' function. */ #undef HAVE_CLOCK_SETTIME /* Define to 1 if you have the <crtdefs.h> header file. */ #undef HAVE_CRTDEFS_H +/* Define to 1 if the alignas and alignof keywords work. */ +#undef HAVE_C_ALIGNASOF + +/* Define to 1 if bool, true and false work as per C2023. */ +#undef HAVE_C_BOOL + +/* Define to 1 if C nullptr is known to work. */ +#undef HAVE_C_NULLPTR + +/* Define to 1 if the static_assert keyword works. */ +#undef HAVE_C_STATIC_ASSERT + +/* Define to 1 if C supports variable-length arrays. */ +#undef HAVE_C_VARARRAYS + /* Define if the GNU dcgettext() function is already present or preinstalled. */ #undef HAVE_DCGETTEXT -/* Define to 1 if you have the declaration of `alarm', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'alarm', and to 0 if you don't. */ #undef HAVE_DECL_ALARM -/* Define to 1 if you have the declaration of `clearerr_unlocked', and to 0 if +/* Define to 1 if you have the declaration of 'clearerr_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_CLEARERR_UNLOCKED -/* Define to 1 if you have the declaration of `ecvt', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'ecvt', and to 0 if you don't. */ #undef HAVE_DECL_ECVT -/* Define to 1 if you have the declaration of `execvpe', and to 0 if you +/* Define to 1 if you have the declaration of 'execvpe', and to 0 if you don't. */ #undef HAVE_DECL_EXECVPE -/* Define to 1 if you have the declaration of `fcloseall', and to 0 if you +/* Define to 1 if you have the declaration of 'fcloseall', and to 0 if you don't. */ #undef HAVE_DECL_FCLOSEALL -/* Define to 1 if you have the declaration of `fcvt', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'fcvt', and to 0 if you don't. */ #undef HAVE_DECL_FCVT -/* Define to 1 if you have the declaration of `feof_unlocked', and to 0 if you +/* Define to 1 if you have the declaration of 'feof_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_FEOF_UNLOCKED -/* Define to 1 if you have the declaration of `ferror_unlocked', and to 0 if +/* Define to 1 if you have the declaration of 'ferror_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_FERROR_UNLOCKED -/* Define to 1 if you have the declaration of `fflush_unlocked', and to 0 if +/* Define to 1 if you have the declaration of 'fflush_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_FFLUSH_UNLOCKED -/* Define to 1 if you have the declaration of `fgets_unlocked', and to 0 if +/* Define to 1 if you have the declaration of 'fgets_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_FGETS_UNLOCKED -/* Define to 1 if you have the declaration of `fputc_unlocked', and to 0 if +/* Define to 1 if you have the declaration of 'fputc_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_FPUTC_UNLOCKED -/* Define to 1 if you have the declaration of `fputs_unlocked', and to 0 if +/* Define to 1 if you have the declaration of 'fputs_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_FPUTS_UNLOCKED -/* Define to 1 if you have the declaration of `fread_unlocked', and to 0 if +/* Define to 1 if you have the declaration of 'fread_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_FREAD_UNLOCKED -/* Define to 1 if you have the declaration of `fwrite_unlocked', and to 0 if +/* Define to 1 if you have the declaration of 'fwrite_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_FWRITE_UNLOCKED -/* Define to 1 if you have the declaration of `gcvt', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'gcvt', and to 0 if you don't. */ #undef HAVE_DECL_GCVT -/* Define to 1 if you have the declaration of `getchar_unlocked', and to 0 if +/* Define to 1 if you have the declaration of 'getchar_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_GETCHAR_UNLOCKED -/* Define to 1 if you have the declaration of `getc_unlocked', and to 0 if you +/* Define to 1 if you have the declaration of 'getc_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_GETC_UNLOCKED -/* Define to 1 if you have the declaration of `getdtablesize', and to 0 if you +/* Define to 1 if you have the declaration of 'getdtablesize', and to 0 if you don't. */ #undef HAVE_DECL_GETDTABLESIZE -/* Define to 1 if you have the declaration of `inet_pton', and to 0 if you +/* Define to 1 if you have the declaration of 'getw', and to 0 if you don't. + */ +#undef HAVE_DECL_GETW + +/* Define to 1 if you have the declaration of 'inet_pton', and to 0 if you don't. */ #undef HAVE_DECL_INET_PTON -/* Define to 1 if you have the declaration of `isblank', and to 0 if you +/* Define to 1 if you have the declaration of 'isblank', and to 0 if you don't. */ #undef HAVE_DECL_ISBLANK -/* Define to 1 if you have the declaration of `iswblank', and to 0 if you +/* Define to 1 if you have the declaration of 'iswblank', and to 0 if you don't. */ #undef HAVE_DECL_ISWBLANK -/* Define to 1 if you have the declaration of `localtime_r', and to 0 if you +/* Define to 1 if you have the declaration of 'localtime_r', and to 0 if you don't. */ #undef HAVE_DECL_LOCALTIME_R -/* Define to 1 if you have the declaration of `mbrtowc', and to 0 if you +/* Define to 1 if you have the declaration of 'mbrtowc', and to 0 if you don't. */ #undef HAVE_DECL_MBRTOWC -/* Define to 1 if you have the declaration of `mbsinit', and to 0 if you +/* Define to 1 if you have the declaration of 'mbsinit', and to 0 if you don't. */ #undef HAVE_DECL_MBSINIT -/* Define to 1 if you have the declaration of `mbsrtowcs', and to 0 if you +/* Define to 1 if you have the declaration of 'mbsrtowcs', and to 0 if you don't. */ #undef HAVE_DECL_MBSRTOWCS -/* Define to 1 if you have the declaration of `program_invocation_name', and +/* Define to 1 if you have the declaration of 'program_invocation_name', and to 0 if you don't. */ #undef HAVE_DECL_PROGRAM_INVOCATION_NAME -/* Define to 1 if you have the declaration of `program_invocation_short_name', +/* Define to 1 if you have the declaration of 'program_invocation_short_name', and to 0 if you don't. */ #undef HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME -/* Define to 1 if you have the declaration of `putchar_unlocked', and to 0 if +/* Define to 1 if you have the declaration of 'putchar_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_PUTCHAR_UNLOCKED -/* Define to 1 if you have the declaration of `putc_unlocked', and to 0 if you +/* Define to 1 if you have the declaration of 'putc_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_PUTC_UNLOCKED -/* Define to 1 if you have the declaration of `setenv', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'putw', and to 0 if you don't. + */ +#undef HAVE_DECL_PUTW + +/* Define to 1 if you have the declaration of 'setenv', and to 0 if you don't. */ #undef HAVE_DECL_SETENV -/* Define to 1 if you have the declaration of `sleep', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'sleep', and to 0 if you don't. */ #undef HAVE_DECL_SLEEP -/* Define to 1 if you have the declaration of `snprintf', and to 0 if you +/* Define to 1 if you have the declaration of 'snprintf', and to 0 if you don't. */ #undef HAVE_DECL_SNPRINTF -/* Define to 1 if you have the declaration of `strerror_r', and to 0 if you +/* Define to 1 if you have the declaration of 'strerror_r', and to 0 if you don't. */ #undef HAVE_DECL_STRERROR_R -/* Define to 1 if you have the declaration of `strncasecmp', and to 0 if you +/* Define to 1 if you have the declaration of 'strncasecmp', and to 0 if you don't. */ #undef HAVE_DECL_STRNCASECMP -/* Define to 1 if you have the declaration of `strnlen', and to 0 if you +/* Define to 1 if you have the declaration of 'strnlen', and to 0 if you don't. */ #undef HAVE_DECL_STRNLEN -/* Define to 1 if you have the declaration of `strtoimax', and to 0 if you +/* Define to 1 if you have the declaration of 'strtoimax', and to 0 if you don't. */ #undef HAVE_DECL_STRTOIMAX -/* Define to 1 if you have the declaration of `strtoll', and to 0 if you +/* Define to 1 if you have the declaration of 'strtoll', and to 0 if you don't. */ #undef HAVE_DECL_STRTOLL -/* Define to 1 if you have the declaration of `towlower', and to 0 if you +/* Define to 1 if you have the declaration of 'towlower', and to 0 if you don't. */ #undef HAVE_DECL_TOWLOWER -/* Define to 1 if you have the declaration of `tzname', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'tzname', and to 0 if you don't. */ #undef HAVE_DECL_TZNAME -/* Define to 1 if you have the declaration of `unsetenv', and to 0 if you +/* Define to 1 if you have the declaration of 'unsetenv', and to 0 if you don't. */ #undef HAVE_DECL_UNSETENV -/* Define to 1 if you have the declaration of `wcrtomb', and to 0 if you +/* Define to 1 if you have the declaration of 'wcrtomb', and to 0 if you don't. */ #undef HAVE_DECL_WCRTOMB -/* Define to 1 if you have the declaration of `wcsdup', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'wcsdup', and to 0 if you don't. */ #undef HAVE_DECL_WCSDUP -/* Define to 1 if you have the declaration of `wctob', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'wctob', and to 0 if you don't. */ #undef HAVE_DECL_WCTOB -/* Define to 1 if you have the declaration of `wcwidth', and to 0 if you +/* Define to 1 if you have the declaration of 'wcwidth', and to 0 if you don't. */ #undef HAVE_DECL_WCWIDTH -/* Define to 1 if you have the declaration of `_putenv', and to 0 if you +/* Define to 1 if you have the declaration of '_putenv', and to 0 if you don't. */ #undef HAVE_DECL__PUTENV -/* Define to 1 if you have the declaration of `_snprintf', and to 0 if you +/* Define to 1 if you have the declaration of '_snprintf', and to 0 if you don't. */ #undef HAVE_DECL__SNPRINTF -/* Define to 1 if you have the declaration of `__argv', and to 0 if you don't. +/* Define to 1 if you have the declaration of '__argv', and to 0 if you don't. */ #undef HAVE_DECL___ARGV -/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'. +/* Define to 1 if you have the <dirent.h> header file, and it defines 'DIR'. */ #undef HAVE_DIRENT_H @@ -816,19 +874,25 @@ /* Define if you have the declaration of environ. */ #undef HAVE_ENVIRON_DECL -/* Define to 1 if you have the `fcntl' function. */ +/* Define to 1 if you have the `error' function. */ +#undef HAVE_ERROR + +/* Define to 1 if you have the <error.h> header file. */ +#undef HAVE_ERROR_H + +/* Define to 1 if you have the 'fcntl' function. */ #undef HAVE_FCNTL /* Define to 1 if you have the <features.h> header file. */ #undef HAVE_FEATURES_H -/* Define to 1 if you have the `fnmatch' function. */ +/* Define to 1 if you have the 'fnmatch' function. */ #undef HAVE_FNMATCH /* Define to 1 if you have the <fnmatch.h> header file. */ #undef HAVE_FNMATCH_H -/* Define to 1 if you have the `fork' function. */ +/* Define to 1 if you have the 'fork' function. */ #undef HAVE_FORK /* Define if the 'free' function is guaranteed to preserve errno. */ @@ -837,16 +901,16 @@ /* Define to 1 if you have the `ftruncate' function. */ #undef HAVE_FTRUNCATE -/* Define to 1 if you have the `getdtablesize' function. */ +/* Define to 1 if you have the 'getdtablesize' function. */ #undef HAVE_GETDTABLESIZE -/* Define to 1 if you have the `getexecname' function. */ +/* Define to 1 if you have the 'getexecname' function. */ #undef HAVE_GETEXECNAME /* Define to 1 if you have the <getopt.h> header file. */ #undef HAVE_GETOPT_H -/* Define to 1 if you have the `getopt_long_only' function. */ +/* Define to 1 if you have the 'getopt_long_only' function. */ #undef HAVE_GETOPT_LONG_ONLY /* Define to 1 if you have the `getprogname' function. */ @@ -855,13 +919,13 @@ /* Define to 1 if you have the `getrandom' function. */ #undef HAVE_GETRANDOM -/* Define to 1 if you have the `getrlimit' function. */ +/* Define to 1 if you have the 'getrlimit' function. */ #undef HAVE_GETRLIMIT /* Define if the GNU gettext() function is already present or preinstalled. */ #undef HAVE_GETTEXT -/* Define to 1 if you have the `gettimeofday' function. */ +/* Define to 1 if you have the 'gettimeofday' function. */ #undef HAVE_GETTIMEOFDAY /* Define if you have the iconv() function and it works. */ @@ -870,7 +934,7 @@ /* Define to 1 if you have the <iconv.h> header file. */ #undef HAVE_ICONV_H -/* Define to 1 if you have the `inet_pton' function. */ +/* Define to 1 if you have the 'inet_pton' function. */ #undef HAVE_INET_PTON /* Define to 1 if the compiler supports one of the keywords 'inline', @@ -888,7 +952,7 @@ declares uintmax_t. */ #undef HAVE_INTTYPES_H_WITH_UINTMAX -/* Define to 1 if you have the `ioctl' function. */ +/* Define to 1 if you have the 'ioctl' function. */ #undef HAVE_IOCTL /* Define to 1 if <sys/socket.h> defines AF_INET. */ @@ -897,16 +961,16 @@ /* Define to 1 if <sys/socket.h> defines AF_INET6. */ #undef HAVE_IPV6 -/* Define to 1 if you have the `isblank' function. */ +/* Define to 1 if you have the 'isblank' function. */ #undef HAVE_ISBLANK /* Define to 1 if you have the `iswblank' function. */ #undef HAVE_ISWBLANK -/* Define to 1 if you have the `iswcntrl' function. */ +/* Define to 1 if you have the 'iswcntrl' function. */ #undef HAVE_ISWCNTRL -/* Define to 1 if you have the `iswctype' function. */ +/* Define to 1 if you have the 'iswctype' function. */ #undef HAVE_ISWCTYPE /* Define if you have <langinfo.h> and nl_langinfo(CODESET). */ @@ -931,13 +995,13 @@ */ #undef HAVE_LOCALTIME_INFLOOP_BUG -/* Define to 1 if you have the `localtime_r' function. */ +/* Define to 1 if you have the 'localtime_r' function. */ #undef HAVE_LOCALTIME_R /* Define to 1 if the system has the type 'long long int'. */ #undef HAVE_LONG_LONG_INT -/* Define to 1 if you have the `lstat' function. */ +/* Define to 1 if you have the 'lstat' function. */ #undef HAVE_LSTAT /* Define to 1 if you have the <malloc.h> header file. */ @@ -950,16 +1014,16 @@ config.h and <sys/mman.h>. */ #undef HAVE_MAP_ANONYMOUS -/* Define to 1 if you have the `mbrtowc' function. */ +/* Define to 1 if you have the 'mbrtowc' function. */ #undef HAVE_MBRTOWC -/* Define to 1 if you have the `mbsinit' function. */ +/* Define to 1 if you have the 'mbsinit' function. */ #undef HAVE_MBSINIT -/* Define to 1 if you have the `mbslen' function. */ +/* Define to 1 if you have the 'mbslen' function. */ #undef HAVE_MBSLEN -/* Define to 1 if you have the `mbsrtowcs' function. */ +/* Define to 1 if you have the 'mbsrtowcs' function. */ #undef HAVE_MBSRTOWCS /* Define to 1 if <wchar.h> declares mbstate_t. */ @@ -980,17 +1044,17 @@ /* Define to 1 if <sys/param.h> defines the MIN and MAX macros. */ #undef HAVE_MINMAX_IN_SYS_PARAM_H -/* Define to 1 if you have the `mkstemp' function. */ +/* Define to 1 if you have the 'mkstemp' function. */ #undef HAVE_MKSTEMP -/* Define to 1 if you have the `mprotect' function. */ +/* Define to 1 if you have the 'mprotect' function. */ #undef HAVE_MPROTECT /* Define to 1 on MSVC platforms that have the "invalid parameter handler" concept. */ #undef HAVE_MSVC_INVALID_PARAMETER_HANDLER -/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */ +/* Define to 1 if you have the <ndir.h> header file, and it defines 'DIR'. */ #undef HAVE_NDIR_H /* Define to 1 if you have the <netdb.h> header file. */ @@ -1008,9 +1072,12 @@ /* Define to 1 if you have the <OS.h> header file. */ #undef HAVE_OS_H -/* Define to 1 if you have the `pipe' function. */ +/* Define to 1 if you have the 'pipe' function. */ #undef HAVE_PIPE +/* Define to 1 if you have the 'pselect' function. */ +#undef HAVE_PSELECT + /* Define if you have the <pthread.h> header and the POSIX threads API. */ #undef HAVE_PTHREAD_API @@ -1033,19 +1100,19 @@ /* Define to 1 if the pthread_sigmask function can be used (despite bugs). */ #undef HAVE_PTHREAD_SIGMASK -/* Define to 1 if the system has the type `pthread_spinlock_t'. */ +/* Define to 1 if the system has the type 'pthread_spinlock_t'. */ #undef HAVE_PTHREAD_SPINLOCK_T -/* Define to 1 if the system has the type `pthread_t'. */ +/* Define to 1 if the system has the type 'pthread_t'. */ #undef HAVE_PTHREAD_T -/* Define to 1 if you have the `raise' function. */ +/* Define to 1 if you have the 'raise' function. */ #undef HAVE_RAISE -/* Define to 1 if you have the `rawmemchr' function. */ +/* Define to 1 if you have the 'rawmemchr' function. */ #undef HAVE_RAWMEMCHR -/* Define to 1 if you have the `readlink' function. */ +/* Define to 1 if you have the 'readlink' function. */ #undef HAVE_READLINK /* Define to 1 if you have the `readlinkat' function. */ @@ -1054,7 +1121,7 @@ /* Define to 1 if you have the `reallocarray' function. */ #undef HAVE_REALLOCARRAY -/* Define to 1 if the system has the type `sa_family_t'. */ +/* Define to 1 if the system has the type 'sa_family_t'. */ #undef HAVE_SA_FAMILY_T /* Define to 1 if you have the <sched.h> header file. */ @@ -1066,33 +1133,27 @@ /* Define to 1 if you have the <search.h> header file. */ #undef HAVE_SEARCH_H -/* Define to 1 if you have the `setdtablesize' function. */ +/* Define to 1 if you have the 'setdtablesize' function. */ #undef HAVE_SETDTABLESIZE -/* Define to 1 if you have the `setenv' function. */ +/* Define to 1 if you have the 'setenv' function. */ #undef HAVE_SETENV -/* Define to 1 if you have the `setrlimit' function. */ +/* Define to 1 if you have the 'setrlimit' function. */ #undef HAVE_SETRLIMIT -/* Define to 1 if you have the `shutdown' function. */ +/* Define to 1 if you have the 'shutdown' function. */ #undef HAVE_SHUTDOWN -/* Define to 1 if you have the `sigaction' function. */ +/* Define to 1 if you have the 'sigaction' function. */ #undef HAVE_SIGACTION -/* Define to 1 if you have the `sigaltstack' function. */ +/* Define to 1 if you have the 'sigaltstack' function. */ #undef HAVE_SIGALTSTACK -/* Define to 1 if you have the `sigblock' function. */ +/* Define to 1 if you have the 'sigblock' function. */ #undef HAVE_SIGBLOCK -/* Define to 1 if the system has the type `siginfo_t'. */ -#undef HAVE_SIGINFO_T - -/* Define to 1 if you have the `siginterrupt' function. */ -#undef HAVE_SIGINTERRUPT - /* Define to 1 if 'sig_atomic_t' is a signed integer type. */ #undef HAVE_SIGNED_SIG_ATOMIC_T @@ -1102,16 +1163,16 @@ /* Define to 1 if 'wint_t' is a signed integer type. */ #undef HAVE_SIGNED_WINT_T -/* Define to 1 if you have the `sigprocmask' function. */ +/* Define to 1 if you have the 'sigprocmask' function. */ #undef HAVE_SIGPROCMASK -/* Define to 1 if the system has the type `sigset_t'. */ +/* Define to 1 if the system has the type 'sigset_t'. */ #undef HAVE_SIGSET_T -/* Define to 1 if you have the `sleep' function. */ +/* Define to 1 if you have the 'sleep' function. */ #undef HAVE_SLEEP -/* Define to 1 if you have the `snprintf' function. */ +/* Define to 1 if you have the 'snprintf' function. */ #undef HAVE_SNPRINTF /* Define if the return value of the snprintf function is the number of of @@ -1123,6 +1184,12 @@ terminated. */ #undef HAVE_SNPRINTF_TRUNCATION_C99 +/* Define to 1 if you have the <stdbool.h> header file. */ +#undef HAVE_STDBOOL_H + +/* Define to 1 if you have the <stdckdint.h> header file. */ +#undef HAVE_STDCKDINT_H + /* Define to 1 if you have the <stdint.h> header file. */ #undef HAVE_STDINT_H @@ -1136,16 +1203,19 @@ /* Define to 1 if you have the <stdlib.h> header file. */ #undef HAVE_STDLIB_H -/* Define to 1 if you have the `strcasecmp' function. */ +/* Define to 1 if you have the `stpcpy' function. */ +#undef HAVE_STPCPY + +/* Define to 1 if you have the 'strcasecmp' function. */ #undef HAVE_STRCASECMP -/* Define to 1 if you have the `strcasecoll' function. */ +/* Define to 1 if you have the 'strcasecoll' function. */ #undef HAVE_STRCASECOLL /* Define to 1 if you have the `strerror_r' function. */ #undef HAVE_STRERROR_R -/* Define to 1 if you have the `stricoll' function. */ +/* Define to 1 if you have the 'stricoll' function. */ #undef HAVE_STRICOLL /* Define to 1 if you have the <strings.h> header file. */ @@ -1154,64 +1224,64 @@ /* Define to 1 if you have the <string.h> header file. */ #undef HAVE_STRING_H -/* Define to 1 if you have the `strncasecmp' function. */ +/* Define to 1 if you have the 'strncasecmp' function. */ #undef HAVE_STRNCASECMP -/* Define to 1 if you have the `strnlen' function. */ +/* Define to 1 if you have the 'strnlen' function. */ #undef HAVE_STRNLEN -/* Define to 1 if you have the `strptime' function. */ +/* Define to 1 if you have the 'strptime' function. */ #undef HAVE_STRPTIME -/* Define to 1 if you have the `strtoimax' function. */ +/* Define to 1 if you have the 'strtoimax' function. */ #undef HAVE_STRTOIMAX -/* Define to 1 if you have the `strtoll' function. */ +/* Define to 1 if you have the 'strtoll' function. */ #undef HAVE_STRTOLL -/* Define to 1 if `decimal_point' is a member of `struct lconv'. */ +/* Define to 1 if 'decimal_point' is a member of 'struct lconv'. */ #undef HAVE_STRUCT_LCONV_DECIMAL_POINT -/* Define to 1 if `sa_sigaction' is a member of `struct sigaction'. */ -#undef HAVE_STRUCT_SIGACTION_SA_SIGACTION +/* Define to 1 if 'int_p_cs_precedes' is a member of 'struct lconv'. */ +#undef HAVE_STRUCT_LCONV_INT_P_CS_PRECEDES -/* Define to 1 if the system has the type `struct sockaddr_storage'. */ +/* Define to 1 if the system has the type 'struct sockaddr_storage'. */ #undef HAVE_STRUCT_SOCKADDR_STORAGE -/* Define to 1 if `ss_family' is a member of `struct sockaddr_storage'. */ +/* Define to 1 if 'ss_family' is a member of 'struct sockaddr_storage'. */ #undef HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY -/* Define to 1 if `st_atimensec' is a member of `struct stat'. */ +/* Define to 1 if 'st_atimensec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_ATIMENSEC -/* Define to 1 if `st_atimespec.tv_nsec' is a member of `struct stat'. */ +/* Define to 1 if 'st_atimespec.tv_nsec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC -/* Define to 1 if `st_atim.st__tim.tv_nsec' is a member of `struct stat'. */ +/* Define to 1 if 'st_atim.st__tim.tv_nsec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_ATIM_ST__TIM_TV_NSEC -/* Define to 1 if `st_atim.tv_nsec' is a member of `struct stat'. */ +/* Define to 1 if 'st_atim.tv_nsec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC -/* Define to 1 if `st_birthtimensec' is a member of `struct stat'. */ +/* Define to 1 if 'st_birthtimensec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC -/* Define to 1 if `st_birthtimespec.tv_nsec' is a member of `struct stat'. */ +/* Define to 1 if 'st_birthtimespec.tv_nsec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC -/* Define to 1 if `st_birthtim.tv_nsec' is a member of `struct stat'. */ +/* Define to 1 if 'st_birthtim.tv_nsec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_BIRTHTIM_TV_NSEC -/* Define to 1 if `st_blksize' is a member of `struct stat'. */ +/* Define to 1 if 'st_blksize' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_BLKSIZE -/* Define to 1 if `st_rdev' is a member of `struct stat'. */ +/* Define to 1 if 'st_rdev' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_RDEV -/* Define to 1 if `tm_zone' is a member of `struct tm'. */ +/* Define to 1 if 'tm_zone' is a member of 'struct tm'. */ #undef HAVE_STRUCT_TM_TM_ZONE -/* Define to 1 if you have the `symlink' function. */ +/* Define to 1 if you have the 'symlink' function. */ #undef HAVE_SYMLINK /* Define to 1 if you have the <sys/bitypes.h> header file. */ @@ -1220,7 +1290,7 @@ /* Define to 1 if you have the <sys/cdefs.h> header file. */ #undef HAVE_SYS_CDEFS_H -/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'. +/* Define to 1 if you have the <sys/dir.h> header file, and it defines 'DIR'. */ #undef HAVE_SYS_DIR_H @@ -1233,7 +1303,7 @@ /* Define to 1 if you have the <sys/mman.h> header file. */ #undef HAVE_SYS_MMAN_H -/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'. +/* Define to 1 if you have the <sys/ndir.h> header file, and it defines 'DIR'. */ #undef HAVE_SYS_NDIR_H @@ -1273,45 +1343,51 @@ /* Define to 1 if you have the `timegm' function. */ #undef HAVE_TIMEGM -/* Define to 1 if the system has the type `timezone_t'. */ +/* Define if you have the timespec_get function. */ +#undef HAVE_TIMESPEC_GET + +/* Define to 1 if the system has the type 'timezone_t'. */ #undef HAVE_TIMEZONE_T /* Define if struct tm has the tm_gmtoff member. */ #undef HAVE_TM_GMTOFF -/* Define to 1 if your `struct tm' has `tm_zone'. Deprecated, use - `HAVE_STRUCT_TM_TM_ZONE' instead. */ +/* Define to 1 if your 'struct tm' has 'tm_zone'. Deprecated, use + 'HAVE_STRUCT_TM_TM_ZONE' instead. */ #undef HAVE_TM_ZONE -/* Define to 1 if you have the `towlower' function. */ +/* Define to 1 if you have the 'towlower' function. */ #undef HAVE_TOWLOWER /* Define to 1 if you have the `tsearch' function. */ #undef HAVE_TSEARCH -/* Define to 1 if you don't have `tm_zone' but do have the external array - `tzname'. */ +/* Define to 1 if you don't have 'tm_zone' but do have the external array + 'tzname'. */ #undef HAVE_TZNAME /* Define to 1 if you have the <unistd.h> header file. */ #undef HAVE_UNISTD_H -/* Define to 1 if you have the `unsetenv' function. */ +/* Define to 1 if you have the <unistring/woe32dll.h> header file. */ +#undef HAVE_UNISTRING_WOE32DLL_H + +/* Define to 1 if you have the 'unsetenv' function. */ #undef HAVE_UNSETENV /* Define to 1 if the system has the type 'unsigned long long int'. */ #undef HAVE_UNSIGNED_LONG_LONG_INT +/* Define to 1 if you have the `uselocale' function. */ +#undef HAVE_USELOCALE + /* Define if you have a global __progname variable */ #undef HAVE_VAR___PROGNAME -/* Define to 1 if you have the `vasnprintf' function. */ +/* Define to 1 if you have the 'vasnprintf' function. */ #undef HAVE_VASNPRINTF -/* Define to 1 if you have the `vasprintf' function. */ -#undef HAVE_VASPRINTF - -/* Define to 1 if you have the `vfork' function. */ +/* Define to 1 if you have the 'vfork' function. */ #undef HAVE_VFORK /* Define to 1 if you have the <vfork.h> header file. */ @@ -1327,22 +1403,19 @@ /* Define if you have the 'wchar_t' type. */ #undef HAVE_WCHAR_T -/* Define to 1 if you have the `wcrtomb' function. */ +/* Define to 1 if you have the 'wcrtomb' function. */ #undef HAVE_WCRTOMB -/* Define to 1 if you have the `wcslen' function. */ +/* Define to 1 if you have the 'wcslen' function. */ #undef HAVE_WCSLEN -/* Define to 1 if you have the `wcsnlen' function. */ -#undef HAVE_WCSNLEN - -/* Define to 1 if you have the `wctob' function. */ +/* Define to 1 if you have the 'wctob' function. */ #undef HAVE_WCTOB /* Define to 1 if you have the <wctype.h> header file. */ #undef HAVE_WCTYPE_H -/* Define to 1 if you have the `wcwidth' function. */ +/* Define to 1 if you have the 'wcwidth' function. */ #undef HAVE_WCWIDTH /* Define to 1 if the compiler and linker support weak declarations of @@ -1358,7 +1431,7 @@ /* Define to 1 if you have the `wmempcpy' function. */ #undef HAVE_WMEMPCPY -/* Define to 1 if `fork' works. */ +/* Define to 1 if 'fork' works. */ #undef HAVE_WORKING_FORK /* Define to 1 if O_NOATIME works. */ @@ -1370,7 +1443,10 @@ /* Define if you have the sigaltstack() function and it works. */ #undef HAVE_WORKING_SIGALTSTACK -/* Define to 1 if `vfork' works. */ +/* Define if the uselocale function exists and may safely be called. */ +#undef HAVE_WORKING_USELOCALE + +/* Define to 1 if 'vfork' works. */ #undef HAVE_WORKING_VFORK /* Define to 1 if you have the <ws2tcpip.h> header file. */ @@ -1379,13 +1455,10 @@ /* Define to 1 if you have the <xlocale.h> header file. */ #undef HAVE_XLOCALE_H -/* Define to 1 if the system has the type `_Bool'. */ -#undef HAVE__BOOL - -/* Define to 1 if you have the `_chsize' function. */ +/* Define to 1 if you have the '_chsize' function. */ #undef HAVE__CHSIZE -/* Define to 1 if you have the `_set_invalid_parameter_handler' function. */ +/* Define to 1 if you have the '_set_invalid_parameter_handler' function. */ #undef HAVE__SET_INVALID_PARAMETER_HANDLER /* Define to 1 if the compiler supports __builtin_expect, @@ -1398,10 +1471,120 @@ #endif +/* Define to 1 if ctype.h defines __header_inline. */ +#undef HAVE___HEADER_INLINE + +/* Please see the Gnulib manual for how to use these macros. + + Suppress extern inline with HP-UX cc, as it appears to be broken; see + <https://lists.gnu.org/r/bug-texinfo/2013-02/msg00030.html>. + + Suppress extern inline with Sun C in standards-conformance mode, as it + mishandles inline functions that call each other. E.g., for 'inline void f + (void) { } inline void g (void) { f (); }', c99 incorrectly complains + 'reference to static identifier "f" in extern inline function'. + This bug was observed with Oracle Developer Studio 12.6 + (Sun C 5.15 SunOS_sparc 2017/05/30). + + Suppress extern inline (with or without __attribute__ ((__gnu_inline__))) + on configurations that mistakenly use 'static inline' to implement + functions or macros in standard C headers like <ctype.h>. For example, + if isdigit is mistakenly implemented via a static inline function, + a program containing an extern inline function that calls isdigit + may not work since the C standard prohibits extern inline functions + from calling static functions (ISO C 99 section 6.7.4.(3). + This bug is known to occur on: + + OS X 10.8 and earlier; see: + https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html + + DragonFly; see + http://muscles.dragonflybsd.org/bulk/clang-master-potential/20141111_102002/logs/ah-tty-0.3.12.log + + FreeBSD; see: + https://lists.gnu.org/r/bug-gnulib/2014-07/msg00104.html + + OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and + for clang but remains for g++; see <https://trac.macports.org/ticket/41033>. + Assume DragonFly and FreeBSD will be similar. + + GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99 + inline semantics, unless -fgnu89-inline is used. It defines a macro + __GNUC_STDC_INLINE__ to indicate this situation or a macro + __GNUC_GNU_INLINE__ to indicate the opposite situation. + GCC 4.2 with -std=c99 or -std=gnu99 implements the GNU C inline + semantics but warns, unless -fgnu89-inline is used: + warning: C99 inline functions are not supported; using GNU89 + warning: to disable this warning use -fgnu89-inline or the gnu_inline function attribute + It defines a macro __GNUC_GNU_INLINE__ to indicate this situation. + */ +#if (((defined __APPLE__ && defined __MACH__) \ + || defined __DragonFly__ || defined __FreeBSD__) \ + && (defined HAVE___HEADER_INLINE \ + ? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \ + && ! defined __clang__) \ + : ((! defined _DONT_USE_CTYPE_INLINE_ \ + && (defined __GNUC__ || defined __cplusplus)) \ + || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \ + && defined __GNUC__ && ! defined __cplusplus)))) +# define _GL_EXTERN_INLINE_STDHEADER_BUG +#endif +#if ((__GNUC__ \ + ? (defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \ + && !defined __PCC__) \ + : (199901L <= __STDC_VERSION__ \ + && !defined __HP_cc \ + && !defined __PGI \ + && !(defined __SUNPRO_C && __STDC__))) \ + && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) +# define _GL_INLINE inline +# define _GL_EXTERN_INLINE extern inline +# define _GL_EXTERN_INLINE_IN_USE +#elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \ + && !defined __PCC__ \ + && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) +# if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__ + /* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */ +# define _GL_INLINE extern inline __attribute__ ((__gnu_inline__)) +# else +# define _GL_INLINE extern inline +# endif +# define _GL_EXTERN_INLINE extern +# define _GL_EXTERN_INLINE_IN_USE +#else +# define _GL_INLINE _GL_UNUSED static +# define _GL_EXTERN_INLINE _GL_UNUSED static +#endif + +/* In GCC 4.6 (inclusive) to 5.1 (exclusive), + suppress bogus "no previous prototype for 'FOO'" + and "no previous declaration for 'FOO'" diagnostics, + when FOO is an inline function in the header; see + <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113> and + <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63877>. */ +#if __GNUC__ == 4 && 6 <= __GNUC_MINOR__ +# if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ +# define _GL_INLINE_HEADER_CONST_PRAGMA +# else +# define _GL_INLINE_HEADER_CONST_PRAGMA \ + _Pragma ("GCC diagnostic ignored \"-Wsuggest-attribute=const\"") +# endif +# define _GL_INLINE_HEADER_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \ + _Pragma ("GCC diagnostic ignored \"-Wmissing-declarations\"") \ + _GL_INLINE_HEADER_CONST_PRAGMA +# define _GL_INLINE_HEADER_END \ + _Pragma ("GCC diagnostic pop") +#else +# define _GL_INLINE_HEADER_BEGIN +# define _GL_INLINE_HEADER_END +#endif + /* Define to 1 if the compiler supports the keyword '__inline'. */ #undef HAVE___INLINE -/* Define to 1 if you have the `__xpg_strerror_r' function. */ +/* Define to 1 if you have the '__xpg_strerror_r' function. */ #undef HAVE___XPG_STRERROR_R /* Define as const if the declaration of iconv() needs const. */ @@ -1581,10 +1764,10 @@ lower addresses STACK_DIRECTION = 0 => spaghetti stack. */ #undef STACK_DIRECTION -/* Define to 1 if the `S_IS*' macros in <sys/stat.h> do not work properly. */ +/* Define to 1 if the 'S_IS*' macros in <sys/stat.h> do not work properly. */ #undef STAT_MACROS_BROKEN -/* Define to 1 if all of the C90 standard headers exist (not just the ones +/* Define to 1 if all of the C89 standard headers exist (not just the ones required in a freestanding environment). This macro is provided for backward compatibility; new code need not use it. */ #undef STDC_HEADERS @@ -1595,7 +1778,7 @@ /* Define to 1 if time_t is signed. */ #undef TIME_T_IS_SIGNED -/* Define to 1 if your <sys/time.h> declares `struct tm'. */ +/* Define to 1 if your <sys/time.h> declares 'struct tm'. */ #undef TM_IN_SYS_TIME /* Define to 1 if the type of the st_atim member of a struct stat is struct @@ -1620,7 +1803,7 @@ weak. */ #undef USE_POSIX_THREADS_WEAK -/* Enable extensions on AIX 3, Interix. */ +/* Enable extensions on AIX, Interix, z/OS. */ #ifndef _ALL_SOURCE # undef _ALL_SOURCE #endif @@ -1681,11 +1864,15 @@ #ifndef __STDC_WANT_IEC_60559_DFP_EXT__ # undef __STDC_WANT_IEC_60559_DFP_EXT__ #endif +/* Enable extensions specified by C23 Annex F. */ +#ifndef __STDC_WANT_IEC_60559_EXT__ +# undef __STDC_WANT_IEC_60559_EXT__ +#endif /* Enable extensions specified by ISO/IEC TS 18661-4:2015. */ #ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__ # undef __STDC_WANT_IEC_60559_FUNCS_EXT__ #endif -/* Enable extensions specified by ISO/IEC TS 18661-3:2015. */ +/* Enable extensions specified by C23 Annex H and ISO/IEC TS 18661-3:2015. */ #ifndef __STDC_WANT_IEC_60559_TYPES_EXT__ # undef __STDC_WANT_IEC_60559_TYPES_EXT__ #endif @@ -1767,7 +1954,7 @@ /* Define to enable the declarations of ISO C 11 types and functions. */ #undef _ISOC11_SOURCE -/* Define for large files, on AIX-style hosts. */ +/* Define to 1 on platforms where this makes off_t a 64-bit type. */ #undef _LARGE_FILES /* Define to 1 on Solaris. */ @@ -1786,6 +1973,11 @@ AIX system header files and several gnulib header files use precisely this syntax with 'extern'. */ # define _Noreturn [[noreturn]] +# elif (defined __clang__ && __clang_major__ < 16 \ + && defined _GL_WORK_AROUND_LLVM_BUG_59792) + /* Compile with -D_GL_WORK_AROUND_LLVM_BUG_59792 to work around + that rare LLVM bug, though you may get many false-alarm warnings. */ +# define _Noreturn # elif ((!defined __cplusplus || defined __clang__) \ && (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \ || (!defined __STRICT_ANSI__ \ @@ -1815,7 +2007,7 @@ /* Define if you want regoff_t to be at least as wide POSIX requires. */ #undef _REGEX_LARGE_OFFSETS -/* Number of bits in a timestamp, on hosts where this is settable. */ +/* Number of bits in time_t, on hosts where this is settable. */ #undef _TIME_BITS /* For standard stat data types on VMS. */ @@ -1825,7 +2017,7 @@ used. */ #undef __GETOPT_PREFIX -/* For 64-bit time_t on 32-bit mingw. */ +/* Define to 1 on platforms where this makes time_t a 64-bit type. */ #undef __MINGW_USE_VC2005_COMPAT /* Define to 1 if the system <stdint.h> predates C++11. */ @@ -1834,6 +2026,10 @@ /* Define to 1 if the system <stdint.h> predates C++11. */ #undef __STDC_LIMIT_MACROS +/* Define to 1 if C does not support variable-length arrays, and if the + compiler does not already define this. */ +#undef __STDC_NO_VLA__ + /* The _GL_ASYNC_SAFE marker should be attached to functions that are signal handlers (for signals other than SIGABRT, SIGPIPE) or can be invoked from such signal handlers. Such functions have some restrictions: @@ -1864,7 +2060,9 @@ /* Attributes. */ #if (defined __has_attribute \ && (!defined __clang_minor__ \ - || 3 < __clang_major__ + (5 <= __clang_minor__))) + || (defined __apple_build_version__ \ + ? 6000000 <= __apple_build_version__ \ + : 5 <= __clang_major__))) # define _GL_HAS_ATTRIBUTE(attr) __has_attribute (__##attr##__) #else # define _GL_HAS_ATTRIBUTE(attr) _GL_ATTR_##attr @@ -1880,12 +2078,12 @@ # define _GL_ATTR_fallthrough _GL_GNUC_PREREQ (7, 0) # define _GL_ATTR_format _GL_GNUC_PREREQ (2, 7) # define _GL_ATTR_leaf _GL_GNUC_PREREQ (4, 6) +# define _GL_ATTR_malloc _GL_GNUC_PREREQ (3, 0) # ifdef _ICC # define _GL_ATTR_may_alias 0 # else # define _GL_ATTR_may_alias _GL_GNUC_PREREQ (3, 3) # endif -# define _GL_ATTR_malloc _GL_GNUC_PREREQ (3, 0) # define _GL_ATTR_noinline _GL_GNUC_PREREQ (3, 1) # define _GL_ATTR_nonnull _GL_GNUC_PREREQ (3, 3) # define _GL_ATTR_nonstring _GL_GNUC_PREREQ (8, 0) @@ -1898,315 +2096,462 @@ # define _GL_ATTR_warn_unused_result _GL_GNUC_PREREQ (3, 4) #endif -#ifdef __has_c_attribute -# define _GL_HAS_C_ATTRIBUTE(attr) __has_c_attribute (__##attr##__) -#else -# define _GL_HAS_C_ATTRIBUTE(attr) 0 +/* Disable GCC -Wpedantic if using __has_c_attribute and this is not C23+. */ +#if (defined __has_c_attribute && _GL_GNUC_PREREQ (4, 6) \ + && (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) <= 201710) +# pragma GCC diagnostic ignored "-Wpedantic" #endif - -#if _GL_HAS_ATTRIBUTE (alloc_size) -# define _GL_ATTRIBUTE_ALLOC_SIZE(args) __attribute__ ((__alloc_size__ args)) +/* Define if, in a function declaration, the attributes in bracket syntax + [[...]] must come before the attributes in __attribute__((...)) syntax. + If this is defined, it is best to avoid the bracket syntax, so that the + various _GL_ATTRIBUTE_* can be cumulated on the same declaration in any + order. */ +#ifdef __cplusplus +# if defined __clang__ +# define _GL_BRACKET_BEFORE_ATTRIBUTE 1 +# endif #else -# define _GL_ATTRIBUTE_ALLOC_SIZE(args) +# if defined __GNUC__ && !defined __clang__ +# define _GL_BRACKET_BEFORE_ATTRIBUTE 1 +# endif #endif -#if _GL_HAS_ATTRIBUTE (always_inline) -# define _GL_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((__always_inline__)) -#else -# define _GL_ATTRIBUTE_ALWAYS_INLINE +/* _GL_ATTRIBUTE_ALLOC_SIZE ((N)) declares that the Nth argument of the function + is the size of the returned memory block. + _GL_ATTRIBUTE_ALLOC_SIZE ((M, N)) declares that the Mth argument multiplied + by the Nth argument of the function is the size of the returned memory block. + */ +/* Applies to: function, pointer to function, function types. */ +#ifndef _GL_ATTRIBUTE_ALLOC_SIZE +# if _GL_HAS_ATTRIBUTE (alloc_size) +# define _GL_ATTRIBUTE_ALLOC_SIZE(args) __attribute__ ((__alloc_size__ args)) +# else +# define _GL_ATTRIBUTE_ALLOC_SIZE(args) +# endif #endif -#if _GL_HAS_ATTRIBUTE (artificial) -# define _GL_ATTRIBUTE_ARTIFICIAL __attribute__ ((__artificial__)) -#else -# define _GL_ATTRIBUTE_ARTIFICIAL +/* _GL_ATTRIBUTE_ALWAYS_INLINE tells that the compiler should always inline the + function and report an error if it cannot do so. */ +/* Applies to: function. */ +#ifndef _GL_ATTRIBUTE_ALWAYS_INLINE +# if _GL_HAS_ATTRIBUTE (always_inline) +# define _GL_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((__always_inline__)) +# else +# define _GL_ATTRIBUTE_ALWAYS_INLINE +# endif #endif +/* _GL_ATTRIBUTE_ARTIFICIAL declares that the function is not important to show + in stack traces when debugging. The compiler should omit the function from + stack traces. */ +/* Applies to: function. */ +#ifndef _GL_ATTRIBUTE_ARTIFICIAL +# if _GL_HAS_ATTRIBUTE (artificial) +# define _GL_ATTRIBUTE_ARTIFICIAL __attribute__ ((__artificial__)) +# else +# define _GL_ATTRIBUTE_ARTIFICIAL +# endif +#endif + +/* _GL_ATTRIBUTE_COLD declares that the function is rarely executed. */ +/* Applies to: functions. */ /* Avoid __attribute__ ((cold)) on MinGW; see thread starting at <https://lists.gnu.org/r/emacs-devel/2019-04/msg01152.html>. Also, Oracle Studio 12.6 requires 'cold' not '__cold__'. */ -#if _GL_HAS_ATTRIBUTE (cold) && !defined __MINGW32__ -# ifndef __SUNPRO_C -# define _GL_ATTRIBUTE_COLD __attribute__ ((__cold__)) +#ifndef _GL_ATTRIBUTE_COLD +# if _GL_HAS_ATTRIBUTE (cold) && !defined __MINGW32__ +# ifndef __SUNPRO_C +# define _GL_ATTRIBUTE_COLD __attribute__ ((__cold__)) +# else +# define _GL_ATTRIBUTE_COLD __attribute__ ((cold)) +# endif # else -# define _GL_ATTRIBUTE_COLD __attribute__ ((cold)) +# define _GL_ATTRIBUTE_COLD # endif -#else -# define _GL_ATTRIBUTE_COLD #endif -#if _GL_HAS_ATTRIBUTE (const) -# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__)) -#else -# define _GL_ATTRIBUTE_CONST +/* _GL_ATTRIBUTE_CONST declares that it is OK for a compiler to omit duplicate + calls to the function with the same arguments. + This attribute is safe for a function that neither depends on nor affects + observable state, and always returns exactly once - e.g., does not loop + forever, and does not call longjmp. + (This attribute is stricter than _GL_ATTRIBUTE_PURE.) */ +/* Applies to: functions. */ +#ifndef _GL_ATTRIBUTE_CONST +# if _GL_HAS_ATTRIBUTE (const) +# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__)) +# else +# define _GL_ATTRIBUTE_CONST +# endif #endif -/* _GL_ATTRIBUTE_DEALLOC (F, I) is for functions returning pointers +/* _GL_ATTRIBUTE_DEALLOC (F, I) declares that the function returns pointers that can be freed by passing them as the Ith argument to the - function F. _GL_ATTRIBUTE_DEALLOC_FREE is for functions that - return pointers that can be freed via 'free'; it can be used - only after including stdlib.h. */ -#if _GL_GNUC_PREREQ (11, 0) -# define _GL_ATTRIBUTE_DEALLOC(f, i) __attribute__ ((__malloc__ (f, i))) -#else -# define _GL_ATTRIBUTE_DEALLOC(f, i) + function F. + _GL_ATTRIBUTE_DEALLOC_FREE declares that the function returns pointers that + can be freed via 'free'; it can be used only after declaring 'free'. */ +/* Applies to: functions. Cannot be used on inline functions. */ +#ifndef _GL_ATTRIBUTE_DEALLOC +# if _GL_GNUC_PREREQ (11, 0) +# define _GL_ATTRIBUTE_DEALLOC(f, i) __attribute__ ((__malloc__ (f, i))) +# else +# define _GL_ATTRIBUTE_DEALLOC(f, i) +# endif +#endif +/* If gnulib's <string.h> or <wchar.h> has already defined this macro, continue + to use this earlier definition, since <stdlib.h> may not have been included + yet. */ +#ifndef _GL_ATTRIBUTE_DEALLOC_FREE +# if defined __cplusplus && defined __GNUC__ && !defined __clang__ +/* Work around GCC bug <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108231> */ +# define _GL_ATTRIBUTE_DEALLOC_FREE \ + _GL_ATTRIBUTE_DEALLOC ((void (*) (void *)) free, 1) +# else +# define _GL_ATTRIBUTE_DEALLOC_FREE \ + _GL_ATTRIBUTE_DEALLOC (free, 1) +# endif #endif -#define _GL_ATTRIBUTE_DEALLOC_FREE _GL_ATTRIBUTE_DEALLOC (free, 1) -#if _GL_HAS_C_ATTRIBUTE (deprecated) -# define _GL_ATTRIBUTE_DEPRECATED [[__deprecated__]] -#elif _GL_HAS_ATTRIBUTE (deprecated) -# define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__)) -#else -# define _GL_ATTRIBUTE_DEPRECATED +/* _GL_ATTRIBUTE_DEPRECATED: Declares that an entity is deprecated. + The compiler may warn if the entity is used. */ +/* Applies to: + - function, variable, + - struct, union, struct/union member, + - enumeration, enumeration item, + - typedef, + in C++ also: namespace, class, template specialization. */ +#ifndef _GL_ATTRIBUTE_DEPRECATED +# ifndef _GL_BRACKET_BEFORE_ATTRIBUTE +# ifdef __has_c_attribute +# if __has_c_attribute (__deprecated__) +# define _GL_ATTRIBUTE_DEPRECATED [[__deprecated__]] +# endif +# endif +# endif +# if !defined _GL_ATTRIBUTE_DEPRECATED && _GL_HAS_ATTRIBUTE (deprecated) +# define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__)) +# endif +# ifndef _GL_ATTRIBUTE_DEPRECATED +# define _GL_ATTRIBUTE_DEPRECATED +# endif #endif -#if _GL_HAS_ATTRIBUTE (error) -# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__error__ (msg))) -# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__warning__ (msg))) -#elif _GL_HAS_ATTRIBUTE (diagnose_if) -# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__diagnose_if__ (1, msg, "error"))) -# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__diagnose_if__ (1, msg, "warning"))) -#else -# define _GL_ATTRIBUTE_ERROR(msg) -# define _GL_ATTRIBUTE_WARNING(msg) +/* _GL_ATTRIBUTE_ERROR(msg) requests an error if a function is called and + the function call is not optimized away. + _GL_ATTRIBUTE_WARNING(msg) requests a warning if a function is called and + the function call is not optimized away. */ +/* Applies to: functions. */ +#if !(defined _GL_ATTRIBUTE_ERROR && defined _GL_ATTRIBUTE_WARNING) +# if _GL_HAS_ATTRIBUTE (error) +# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__error__ (msg))) +# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__warning__ (msg))) +# elif _GL_HAS_ATTRIBUTE (diagnose_if) +# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__diagnose_if__ (1, msg, "error"))) +# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__diagnose_if__ (1, msg, "warning"))) +# else +# define _GL_ATTRIBUTE_ERROR(msg) +# define _GL_ATTRIBUTE_WARNING(msg) +# endif #endif -#if _GL_HAS_ATTRIBUTE (externally_visible) -# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((externally_visible)) -#else -# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE +/* _GL_ATTRIBUTE_EXTERNALLY_VISIBLE declares that the entity should remain + visible to debuggers etc., even with '-fwhole-program'. */ +/* Applies to: functions, variables. */ +#ifndef _GL_ATTRIBUTE_EXTERNALLY_VISIBLE +# if _GL_HAS_ATTRIBUTE (externally_visible) +# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((externally_visible)) +# else +# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE +# endif #endif -/* FALLTHROUGH is special, because it always expands to something. */ -#if _GL_HAS_C_ATTRIBUTE (fallthrough) -# define _GL_ATTRIBUTE_FALLTHROUGH [[__fallthrough__]] -#elif _GL_HAS_ATTRIBUTE (fallthrough) -# define _GL_ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__)) -#else -# define _GL_ATTRIBUTE_FALLTHROUGH ((void) 0) +/* _GL_ATTRIBUTE_FALLTHROUGH declares that it is not a programming mistake if + the control flow falls through to the immediately following 'case' or + 'default' label. The compiler should not warn in this case. */ +/* Applies to: Empty statement (;), inside a 'switch' statement. */ +/* Always expands to something. */ +#ifndef _GL_ATTRIBUTE_FALLTHROUGH +# ifdef __has_c_attribute +# if __has_c_attribute (__fallthrough__) +# define _GL_ATTRIBUTE_FALLTHROUGH [[__fallthrough__]] +# endif +# endif +# if !defined _GL_ATTRIBUTE_FALLTHROUGH && _GL_HAS_ATTRIBUTE (fallthrough) +# define _GL_ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__)) +# endif +# ifndef _GL_ATTRIBUTE_FALLTHROUGH +# define _GL_ATTRIBUTE_FALLTHROUGH ((void) 0) +# endif #endif -#if _GL_HAS_ATTRIBUTE (format) -# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) -#else -# define _GL_ATTRIBUTE_FORMAT(spec) +/* _GL_ATTRIBUTE_FORMAT ((ARCHETYPE, STRING-INDEX, FIRST-TO-CHECK)) + declares that the STRING-INDEXth function argument is a format string of + style ARCHETYPE, which is one of: + printf, gnu_printf + scanf, gnu_scanf, + strftime, gnu_strftime, + strfmon, + or the same thing prefixed and suffixed with '__'. + If FIRST-TO-CHECK is not 0, arguments starting at FIRST-TO_CHECK + are suitable for the format string. */ +/* Applies to: functions. */ +#ifndef _GL_ATTRIBUTE_FORMAT +# if _GL_HAS_ATTRIBUTE (format) +# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) +# else +# define _GL_ATTRIBUTE_FORMAT(spec) +# endif #endif -#if _GL_HAS_ATTRIBUTE (leaf) -# define _GL_ATTRIBUTE_LEAF __attribute__ ((__leaf__)) -#else -# define _GL_ATTRIBUTE_LEAF +/* _GL_ATTRIBUTE_LEAF declares that if the function is called from some other + compilation unit, it executes code from that unit only by return or by + exception handling. This declaration lets the compiler optimize that unit + more aggressively. */ +/* Applies to: functions. */ +#ifndef _GL_ATTRIBUTE_LEAF +# if _GL_HAS_ATTRIBUTE (leaf) +# define _GL_ATTRIBUTE_LEAF __attribute__ ((__leaf__)) +# else +# define _GL_ATTRIBUTE_LEAF +# endif #endif +/* _GL_ATTRIBUTE_MALLOC declares that the function returns a pointer to freshly + allocated memory. */ +/* Applies to: functions. */ +#ifndef _GL_ATTRIBUTE_MALLOC +# if _GL_HAS_ATTRIBUTE (malloc) +# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) +# else +# define _GL_ATTRIBUTE_MALLOC +# endif +#endif + +/* _GL_ATTRIBUTE_MAY_ALIAS declares that pointers to the type may point to the + same storage as pointers to other types. Thus this declaration disables + strict aliasing optimization. */ +/* Applies to: types. */ /* Oracle Studio 12.6 mishandles may_alias despite __has_attribute OK. */ -#if _GL_HAS_ATTRIBUTE (may_alias) && !defined __SUNPRO_C -# define _GL_ATTRIBUTE_MAY_ALIAS __attribute__ ((__may_alias__)) -#else -# define _GL_ATTRIBUTE_MAY_ALIAS +#ifndef _GL_ATTRIBUTE_MAY_ALIAS +# if _GL_HAS_ATTRIBUTE (may_alias) && !defined __SUNPRO_C +# define _GL_ATTRIBUTE_MAY_ALIAS __attribute__ ((__may_alias__)) +# else +# define _GL_ATTRIBUTE_MAY_ALIAS +# endif #endif -#if _GL_HAS_C_ATTRIBUTE (maybe_unused) -# define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]] -#else -# define _GL_ATTRIBUTE_MAYBE_UNUSED _GL_ATTRIBUTE_UNUSED +/* _GL_ATTRIBUTE_MAYBE_UNUSED declares that it is not a programming mistake if + the entity is not used. The compiler should not warn if the entity is not + used. */ +/* Applies to: + - function, variable, + - struct, union, struct/union member, + - enumeration, enumeration item, + - typedef, + in C++ also: class. */ +/* In C++ and C23, this is spelled [[__maybe_unused__]]. + GCC's syntax is __attribute__ ((__unused__)). + clang supports both syntaxes. Except that with clang ≥ 6, < 10, in C++ mode, + __has_c_attribute (__maybe_unused__) yields true but the use of + [[__maybe_unused__]] nevertheless produces a warning. */ +#ifndef _GL_ATTRIBUTE_MAYBE_UNUSED +# ifndef _GL_BRACKET_BEFORE_ATTRIBUTE +# if defined __clang__ && defined __cplusplus +# if !defined __apple_build_version__ && __clang_major__ >= 10 +# define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]] +# endif +# elif defined __has_c_attribute +# if __has_c_attribute (__maybe_unused__) +# define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]] +# endif +# endif +# endif +# ifndef _GL_ATTRIBUTE_MAYBE_UNUSED +# define _GL_ATTRIBUTE_MAYBE_UNUSED _GL_ATTRIBUTE_UNUSED +# endif #endif +/* Alternative spelling of this macro, for convenience and for + compatibility with glibc/include/libc-symbols.h. */ +#define _GL_UNUSED _GL_ATTRIBUTE_MAYBE_UNUSED /* Earlier spellings of this macro. */ #define _UNUSED_PARAMETER_ _GL_ATTRIBUTE_MAYBE_UNUSED -#if _GL_HAS_ATTRIBUTE (malloc) -# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) -#else -# define _GL_ATTRIBUTE_MALLOC -#endif - -#if _GL_HAS_C_ATTRIBUTE (nodiscard) -# define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]] -#elif _GL_HAS_ATTRIBUTE (warn_unused_result) -# define _GL_ATTRIBUTE_NODISCARD __attribute__ ((__warn_unused_result__)) -#else -# define _GL_ATTRIBUTE_NODISCARD +/* _GL_ATTRIBUTE_NODISCARD declares that the caller of the function should not + discard the return value. The compiler may warn if the caller does not use + the return value, unless the caller uses something like ignore_value. */ +/* Applies to: function, enumeration, class. */ +#ifndef _GL_ATTRIBUTE_NODISCARD +# ifndef _GL_BRACKET_BEFORE_ATTRIBUTE +# if defined __clang__ && defined __cplusplus + /* With clang up to 15.0.6 (at least), in C++ mode, [[__nodiscard__]] produces + a warning. + The 1000 below means a yet unknown threshold. When clang++ version X + starts supporting [[__nodiscard__]] without warning about it, you can + replace the 1000 with X. */ +# if __clang_major__ >= 1000 +# define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]] +# endif +# elif defined __has_c_attribute +# if __has_c_attribute (__nodiscard__) +# define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]] +# endif +# endif +# endif +# if !defined _GL_ATTRIBUTE_NODISCARD && _GL_HAS_ATTRIBUTE (warn_unused_result) +# define _GL_ATTRIBUTE_NODISCARD __attribute__ ((__warn_unused_result__)) +# endif +# ifndef _GL_ATTRIBUTE_NODISCARD +# define _GL_ATTRIBUTE_NODISCARD +# endif #endif -#if _GL_HAS_ATTRIBUTE (noinline) -# define _GL_ATTRIBUTE_NOINLINE __attribute__ ((__noinline__)) -#else -# define _GL_ATTRIBUTE_NOINLINE +/* _GL_ATTRIBUTE_NOINLINE tells that the compiler should not inline the + function. */ +/* Applies to: functions. */ +#ifndef _GL_ATTRIBUTE_NOINLINE +# if _GL_HAS_ATTRIBUTE (noinline) +# define _GL_ATTRIBUTE_NOINLINE __attribute__ ((__noinline__)) +# else +# define _GL_ATTRIBUTE_NOINLINE +# endif #endif -#if _GL_HAS_ATTRIBUTE (nonnull) -# define _GL_ATTRIBUTE_NONNULL(args) __attribute__ ((__nonnull__ args)) -#else -# define _GL_ATTRIBUTE_NONNULL(args) +/* _GL_ATTRIBUTE_NONNULL ((N1, N2,...)) declares that the arguments N1, N2,... + must not be NULL. + _GL_ATTRIBUTE_NONNULL () declares that all pointer arguments must not be + null. */ +/* Applies to: functions. */ +#ifndef _GL_ATTRIBUTE_NONNULL +# if _GL_HAS_ATTRIBUTE (nonnull) +# define _GL_ATTRIBUTE_NONNULL(args) __attribute__ ((__nonnull__ args)) +# else +# define _GL_ATTRIBUTE_NONNULL(args) +# endif #endif -#if _GL_HAS_ATTRIBUTE (nonstring) -# define _GL_ATTRIBUTE_NONSTRING __attribute__ ((__nonstring__)) -#else -# define _GL_ATTRIBUTE_NONSTRING +/* _GL_ATTRIBUTE_NONSTRING declares that the contents of a character array is + not meant to be NUL-terminated. */ +/* Applies to: struct/union members and variables that are arrays of element + type '[[un]signed] char'. */ +#ifndef _GL_ATTRIBUTE_NONSTRING +# if _GL_HAS_ATTRIBUTE (nonstring) +# define _GL_ATTRIBUTE_NONSTRING __attribute__ ((__nonstring__)) +# else +# define _GL_ATTRIBUTE_NONSTRING +# endif #endif /* There is no _GL_ATTRIBUTE_NORETURN; use _Noreturn instead. */ -#if _GL_HAS_ATTRIBUTE (nothrow) && !defined __cplusplus -# define _GL_ATTRIBUTE_NOTHROW __attribute__ ((__nothrow__)) -#else -# define _GL_ATTRIBUTE_NOTHROW -#endif - -#if _GL_HAS_ATTRIBUTE (packed) -# define _GL_ATTRIBUTE_PACKED __attribute__ ((__packed__)) -#else -# define _GL_ATTRIBUTE_PACKED +/* _GL_ATTRIBUTE_NOTHROW declares that the function does not throw exceptions. + */ +/* Applies to: functions. */ +#ifndef _GL_ATTRIBUTE_NOTHROW +# if _GL_HAS_ATTRIBUTE (nothrow) && !defined __cplusplus +# define _GL_ATTRIBUTE_NOTHROW __attribute__ ((__nothrow__)) +# else +# define _GL_ATTRIBUTE_NOTHROW +# endif #endif -#if _GL_HAS_ATTRIBUTE (pure) -# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) -#else -# define _GL_ATTRIBUTE_PURE +/* _GL_ATTRIBUTE_PACKED declares: + For struct members: The member has the smallest possible alignment. + For struct, union, class: All members have the smallest possible alignment, + minimizing the memory required. */ +/* Applies to: struct members, struct, union, + in C++ also: class. */ +#ifndef _GL_ATTRIBUTE_PACKED +# if _GL_HAS_ATTRIBUTE (packed) +# define _GL_ATTRIBUTE_PACKED __attribute__ ((__packed__)) +# else +# define _GL_ATTRIBUTE_PACKED +# endif #endif -#if _GL_HAS_ATTRIBUTE (returns_nonnull) -# define _GL_ATTRIBUTE_RETURNS_NONNULL __attribute__ ((__returns_nonnull__)) -#else -# define _GL_ATTRIBUTE_RETURNS_NONNULL +/* _GL_ATTRIBUTE_PURE declares that It is OK for a compiler to omit duplicate + calls to the function with the same arguments if observable state is not + changed between calls. + This attribute is safe for a function that does not affect + observable state, and always returns exactly once. + (This attribute is looser than _GL_ATTRIBUTE_CONST.) */ +/* Applies to: functions. */ +#ifndef _GL_ATTRIBUTE_PURE +# if _GL_HAS_ATTRIBUTE (pure) +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +# else +# define _GL_ATTRIBUTE_PURE +# endif #endif -#if _GL_HAS_ATTRIBUTE (sentinel) -# define _GL_ATTRIBUTE_SENTINEL(pos) __attribute__ ((__sentinel__ pos)) -#else -# define _GL_ATTRIBUTE_SENTINEL(pos) +/* _GL_ATTRIBUTE_RETURNS_NONNULL declares that the function's return value is + a non-NULL pointer. */ +/* Applies to: functions. */ +#ifndef _GL_ATTRIBUTE_RETURNS_NONNULL +# if _GL_HAS_ATTRIBUTE (returns_nonnull) +# define _GL_ATTRIBUTE_RETURNS_NONNULL __attribute__ ((__returns_nonnull__)) +# else +# define _GL_ATTRIBUTE_RETURNS_NONNULL +# endif #endif -#if _GL_HAS_ATTRIBUTE (unused) -# define _GL_ATTRIBUTE_UNUSED __attribute__ ((__unused__)) -#else -# define _GL_ATTRIBUTE_UNUSED +/* _GL_ATTRIBUTE_SENTINEL(pos) declares that the variadic function expects a + trailing NULL argument. + _GL_ATTRIBUTE_SENTINEL () - The last argument is NULL (requires C99). + _GL_ATTRIBUTE_SENTINEL ((N)) - The (N+1)st argument from the end is NULL. */ +/* Applies to: functions. */ +#ifndef _GL_ATTRIBUTE_SENTINEL +# if _GL_HAS_ATTRIBUTE (sentinel) +# define _GL_ATTRIBUTE_SENTINEL(pos) __attribute__ ((__sentinel__ pos)) +# else +# define _GL_ATTRIBUTE_SENTINEL(pos) +# endif #endif -/* Earlier spellings of this macro. */ -#define _GL_UNUSED _GL_ATTRIBUTE_UNUSED - -/* To support C++ as well as C, use _GL_UNUSED_LABEL with trailing ';'. */ -#if !defined __cplusplus || _GL_GNUC_PREREQ (4, 5) -# define _GL_UNUSED_LABEL _GL_ATTRIBUTE_UNUSED -#else -# define _GL_UNUSED_LABEL +/* A helper macro. Don't use it directly. */ +#ifndef _GL_ATTRIBUTE_UNUSED +# if _GL_HAS_ATTRIBUTE (unused) +# define _GL_ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +# else +# define _GL_ATTRIBUTE_UNUSED +# endif #endif -/* Please see the Gnulib manual for how to use these macros. - - Suppress extern inline with HP-UX cc, as it appears to be broken; see - <https://lists.gnu.org/r/bug-texinfo/2013-02/msg00030.html>. - - Suppress extern inline with Sun C in standards-conformance mode, as it - mishandles inline functions that call each other. E.g., for 'inline void f - (void) { } inline void g (void) { f (); }', c99 incorrectly complains - 'reference to static identifier "f" in extern inline function'. - This bug was observed with Sun C 5.12 SunOS_i386 2011/11/16. - - Suppress extern inline (with or without __attribute__ ((__gnu_inline__))) - on configurations that mistakenly use 'static inline' to implement - functions or macros in standard C headers like <ctype.h>. For example, - if isdigit is mistakenly implemented via a static inline function, - a program containing an extern inline function that calls isdigit - may not work since the C standard prohibits extern inline functions - from calling static functions (ISO C 99 section 6.7.4.(3). - This bug is known to occur on: - - OS X 10.8 and earlier; see: - https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html - - DragonFly; see - http://muscles.dragonflybsd.org/bulk/clang-master-potential/20141111_102002/logs/ah-tty-0.3.12.log - - FreeBSD; see: - https://lists.gnu.org/r/bug-gnulib/2014-07/msg00104.html - - OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and - for clang but remains for g++; see <https://trac.macports.org/ticket/41033>. - Assume DragonFly and FreeBSD will be similar. - - GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99 - inline semantics, unless -fgnu89-inline is used. It defines a macro - __GNUC_STDC_INLINE__ to indicate this situation or a macro - __GNUC_GNU_INLINE__ to indicate the opposite situation. - GCC 4.2 with -std=c99 or -std=gnu99 implements the GNU C inline - semantics but warns, unless -fgnu89-inline is used: - warning: C99 inline functions are not supported; using GNU89 - warning: to disable this warning use -fgnu89-inline or the gnu_inline function attribute - It defines a macro __GNUC_GNU_INLINE__ to indicate this situation. - */ -#if (((defined __APPLE__ && defined __MACH__) \ - || defined __DragonFly__ || defined __FreeBSD__) \ - && (defined __header_inline \ - ? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \ - && ! defined __clang__) \ - : ((! defined _DONT_USE_CTYPE_INLINE_ \ - && (defined __GNUC__ || defined __cplusplus)) \ - || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \ - && defined __GNUC__ && ! defined __cplusplus)))) -# define _GL_EXTERN_INLINE_STDHEADER_BUG -#endif -#if ((__GNUC__ \ - ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \ - : (199901L <= __STDC_VERSION__ \ - && !defined __HP_cc \ - && !defined __PGI \ - && !(defined __SUNPRO_C && __STDC__))) \ - && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) -# define _GL_INLINE inline -# define _GL_EXTERN_INLINE extern inline -# define _GL_EXTERN_INLINE_IN_USE -#elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \ - && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) -# if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__ - /* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */ -# define _GL_INLINE extern inline __attribute__ ((__gnu_inline__)) +/* _GL_UNUSED_LABEL; declares that it is not a programming mistake if the + immediately preceding label is not used. The compiler should not warn + if the label is not used. */ +/* Applies to: label (both in C and C++). */ +/* Note that g++ < 4.5 does not support the '__attribute__ ((__unused__)) ;' + syntax. But clang does. */ +#ifndef _GL_UNUSED_LABEL +# if !(defined __cplusplus && !_GL_GNUC_PREREQ (4, 5)) || defined __clang__ +# define _GL_UNUSED_LABEL _GL_ATTRIBUTE_UNUSED # else -# define _GL_INLINE extern inline +# define _GL_UNUSED_LABEL # endif -# define _GL_EXTERN_INLINE extern -# define _GL_EXTERN_INLINE_IN_USE -#else -# define _GL_INLINE static _GL_UNUSED -# define _GL_EXTERN_INLINE static _GL_UNUSED #endif -/* In GCC 4.6 (inclusive) to 5.1 (exclusive), - suppress bogus "no previous prototype for 'FOO'" - and "no previous declaration for 'FOO'" diagnostics, - when FOO is an inline function in the header; see - <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113> and - <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63877>. */ -#if __GNUC__ == 4 && 6 <= __GNUC_MINOR__ -# if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ -# define _GL_INLINE_HEADER_CONST_PRAGMA -# else -# define _GL_INLINE_HEADER_CONST_PRAGMA \ - _Pragma ("GCC diagnostic ignored \"-Wsuggest-attribute=const\"") -# endif -# define _GL_INLINE_HEADER_BEGIN \ - _Pragma ("GCC diagnostic push") \ - _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \ - _Pragma ("GCC diagnostic ignored \"-Wmissing-declarations\"") \ - _GL_INLINE_HEADER_CONST_PRAGMA -# define _GL_INLINE_HEADER_END \ - _Pragma ("GCC diagnostic pop") + +/* In C++, there is the concept of "language linkage", that encompasses + name mangling and function calling conventions. + The following macros start and end a block of "C" linkage. */ +#ifdef __cplusplus +# define _GL_BEGIN_C_LINKAGE extern "C" { +# define _GL_END_C_LINKAGE } #else -# define _GL_INLINE_HEADER_BEGIN -# define _GL_INLINE_HEADER_END +# define _GL_BEGIN_C_LINKAGE +# define _GL_END_C_LINKAGE #endif -/* Define to `int' if <sys/types.h> doesn't define. */ + +/* Define as 'int' if <sys/types.h> doesn't define. */ #undef gid_t /* A replacement for va_copy, if needed. */ #define gl_va_copy(a,b) ((a) = (b)) -/* Define to `__inline__' or `__inline' if that's what the C compiler +/* Define to '__inline__' or '__inline' if that's what the C compiler calls it, or to nothing if 'inline' is not supported under any name. */ #ifndef __cplusplus #undef inline @@ -2225,9 +2570,6 @@ # define __GNUC_STDC_INLINE__ 1 #endif -/* Define to 1 if the compiler is checking for lint. */ -#undef lint - /* Define to a type if <wchar.h> does not define. */ #undef mbstate_t @@ -2250,7 +2592,7 @@ /* Define to the real name of the mktime_internal function. */ #undef mktime_internal -/* Define to `int' if <sys/types.h> does not define. */ +/* Define to 'int' if <sys/types.h> does not define. */ #undef mode_t /* Define to the name of the strftime replacement function. */ @@ -2259,7 +2601,7 @@ /* Define to the type of st_nlink in struct stat, or a supertype. */ #undef nlink_t -/* Define to `long int' if <sys/types.h> does not define. */ +/* Define to 'long int' if <sys/types.h> does not define. */ #undef off_t /* Define as a signed integer type capable of holding a process identifier. */ @@ -2329,7 +2671,7 @@ # define __restrict__ #endif -/* Define to `unsigned int' if <sys/types.h> does not define. */ +/* Define as 'unsigned int' if <stddef.h> doesn't define. */ #undef size_t /* type to use in place of socklen_t if not defined */ @@ -2342,7 +2684,7 @@ sigaltstack */ #undef stack_t -/* Define to `int' if <sys/types.h> doesn't define. */ +/* Define as 'int' if <sys/types.h> doesn't define. */ #undef uid_t @@ -2364,5 +2706,167 @@ /* Define as a macro for copying va_list variables. */ #undef va_copy -/* Define as `fork' if `vfork' does not work. */ +/* Define as 'fork' if 'vfork' does not work. */ #undef vfork + +#if !defined HAVE_C_ALIGNASOF && __cplusplus < 201103 && !defined alignof +# if HAVE_STDALIGN_H +# include <stdalign.h> +# endif + +/* ISO C23 alignas and alignof for platforms that lack it. + + References: + ISO C23 (latest free draft + <http://www.open-std.org/jtc1/sc22/wg14/www/docs/n3047.pdf>) + sections 6.5.3.4, 6.7.5, 7.15. + C++11 (latest free draft + <http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3242.pdf>) + section 18.10. */ + +/* alignof (TYPE), also known as _Alignof (TYPE), yields the alignment + requirement of a structure member (i.e., slot or field) that is of + type TYPE, as an integer constant expression. + + This differs from GCC's and clang's __alignof__ operator, which can + yield a better-performing alignment for an object of that type. For + example, on x86 with GCC and on Linux/x86 with clang, + __alignof__ (double) and __alignof__ (long long) are 8, whereas + alignof (double) and alignof (long long) are 4 unless the option + '-malign-double' is used. + + The result cannot be used as a value for an 'enum' constant, if you + want to be portable to HP-UX 10.20 cc and AIX 3.2.5 xlc. */ + +/* GCC releases before GCC 4.9 had a bug in _Alignof. See GCC bug 52023 + <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>. + clang versions < 8.0.0 have the same bug. */ +# if (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 \ + || (defined __GNUC__ && __GNUC__ < 4 + (__GNUC_MINOR__ < 9) \ + && !defined __clang__) \ + || (defined __clang__ && __clang_major__ < 8)) +# undef/**/_Alignof +# ifdef __cplusplus +# if (201103 <= __cplusplus || defined _MSC_VER) +# define _Alignof(type) alignof (type) +# else + template <class __t> struct __alignof_helper { char __a; __t __b; }; +# define _Alignof(type) offsetof (__alignof_helper<type>, __b) +# define _GL_STDALIGN_NEEDS_STDDEF 1 +# endif +# else +# if (defined __GNUC__ && 4 <= __GNUC__) || defined __clang__ +# define _Alignof(type) __builtin_offsetof (struct { char __a; type __b; }, __b) +# else +# define _Alignof(type) offsetof (struct { char __a; type __b; }, __b) +# define _GL_STDALIGN_NEEDS_STDDEF 1 +# endif +# endif +# endif +# if ! (defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER)) +# undef/**/alignof +# define alignof _Alignof +# endif + +/* alignas (A), also known as _Alignas (A), aligns a variable or type + to the alignment A, where A is an integer constant expression. For + example: + + int alignas (8) foo; + struct s { int a; int alignas (8) bar; }; + + aligns the address of FOO and the offset of BAR to be multiples of 8. + + A should be a power of two that is at least the type's alignment + and at most the implementation's alignment limit. This limit is + 2**28 on typical GNUish hosts, and 2**13 on MSVC. To be portable + to MSVC through at least version 10.0, A should be an integer + constant, as MSVC does not support expressions such as 1 << 3. + To be portable to Sun C 5.11, do not align auto variables to + anything stricter than their default alignment. + + The following C23 requirements are not supported here: + + - If A is zero, alignas has no effect. + - alignas can be used multiple times; the strictest one wins. + - alignas (TYPE) is equivalent to alignas (alignof (TYPE)). + + */ +# if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 +# if defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER) +# define _Alignas(a) alignas (a) +# elif (!defined __attribute__ \ + && ((defined __APPLE__ && defined __MACH__ \ + ? 4 < __GNUC__ + (1 <= __GNUC_MINOR__) \ + : __GNUC__ && !defined __ibmxl__) \ + || (4 <= __clang_major__) \ + || (__ia64 && (61200 <= __HP_cc || 61200 <= __HP_aCC)) \ + || __ICC || 0x590 <= __SUNPRO_C || 0x0600 <= __xlC__)) +# define _Alignas(a) __attribute__ ((__aligned__ (a))) +# elif 1300 <= _MSC_VER +# define _Alignas(a) __declspec (align (a)) +# endif +# endif +# if !HAVE_STDALIGN_H +# if ((defined _Alignas \ + && !(defined __cplusplus \ + && (201103 <= __cplusplus || defined _MSC_VER))) \ + || (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__)) +# define alignas _Alignas +# endif +# endif + +# if _GL_STDALIGN_NEEDS_STDDEF +# include <stddef.h> +# endif +#endif + +#ifndef HAVE_C_BOOL +# if !defined __cplusplus && !defined __bool_true_false_are_defined +# if HAVE_STDBOOL_H +# include <stdbool.h> +# else +# if defined __SUNPRO_C +# error "<stdbool.h> is not usable with this configuration. To make it usable, add -D_STDC_C99= to $CC." +# else +# error "<stdbool.h> does not exist on this platform. Use gnulib module 'stdbool-c99' instead of gnulib module 'stdbool'." +# endif +# endif +# endif +# if !true +# define true (!false) +# endif +#endif + +#if defined __cplusplus && HAVE_CXX_NULLPTR < 0 +# include <stddef.h> +# undef/**/nullptr +#endif +#ifndef nullptr +# if !defined __cplusplus && !defined HAVE_C_NULLPTR +# define nullptr ((void *) 0) +# elif defined __cplusplus && HAVE_CXX_NULLPTR <= 0 +# if 3 <= __GNUG__ +# define nullptr __null +# else +# define nullptr 0L +# endif +# endif +#endif + +#if (!defined HAVE_C_STATIC_ASSERT && !defined assert \ + && (!defined __cplusplus \ + || (__cpp_static_assert < 201411 \ + && __GNUG__ < 6 && __clang_major__ < 6))) + #include <assert.h> + #undef/**/assert + #ifdef __sgi + #undef/**/__ASSERT_H__ + #endif + /* Solaris 11.4 <assert.h> defines static_assert as a macro with 2 arguments. + We need it also to be invocable with a single argument. */ + #if defined __sun && (__STDC_VERSION__ - 0 >= 201112L) && !defined __cplusplus + #undef/**/static_assert + #define static_assert _Static_assert + #endif +#endif |