echo "$0: generating configure in gettext-runtime/intl..."
cd gettext-runtime/intl
-aclocal -I ../../m4 -I ../m4 -I m4 -I gnulib-m4 \
+aclocal -I ../../m4 -I ../m4 -I gnulib-m4 \
&& autoconf \
&& autoheader && touch config.h.in \
&& touch ChangeLog \
## Process this file with automake to produce Makefile.in.
AUTOMAKE_OPTIONS = 1.10 gnu no-dependencies
-ACLOCAL_AMFLAGS = -I ../../m4 -I ../m4 -I m4 -I gnulib-m4
+ACLOCAL_AMFLAGS = -I ../../m4 -I ../m4 -I gnulib-m4
SUBDIRS = gnulib-lib
-EXTRA_DIST = \
- m4/intdiv0.m4
+EXTRA_DIST =
BUILT_SOURCES =
MOSTLYCLEANFILES = core *.stackdump
CLEANFILES =
AC_TYPE_SIZE_T
AC_FUNC_ALLOCA
AC_FUNC_MMAP
-gt_INTDIV0
gl_LOCK
AC_LINK_IFELSE(
#include <locale.h>
-#ifdef _LIBC
- /* Guess whether integer division by zero raises signal SIGFPE.
- Set to 1 only if you know for sure. In case of doubt, set to 0. */
-# if defined __alpha__ || defined __arm__ || defined __i386__ \
- || defined __m68k__ || defined __s390__
-# define INTDIV0_RAISES_SIGFPE 1
-# else
-# define INTDIV0_RAISES_SIGFPE 0
-# endif
-#endif
-#if !INTDIV0_RAISES_SIGFPE
-# include <signal.h>
-#endif
-
#if defined HAVE_SYS_PARAM_H || defined _LIBC
# include <sys/param.h>
#endif
case mult:
return OK (leftarg.value * rightarg.value);
case divide:
-#if !INTDIV0_RAISES_SIGFPE
if (rightarg.value == 0)
- raise (SIGFPE);
-#endif
+ return (struct eval_result) { .status = PE_INTDIV };
return OK (leftarg.value / rightarg.value);
case module:
-#if !INTDIV0_RAISES_SIGFPE
if (rightarg.value == 0)
- raise (SIGFPE);
-#endif
+ return (struct eval_result) { .status = PE_INTDIV };
return OK (leftarg.value % rightarg.value);
case plus:
return OK (leftarg.value + rightarg.value);
+++ /dev/null
-# intdiv0.m4 serial 9 (gettext-0.21.1)
-dnl Copyright (C) 2002, 2007-2008, 2010-2020 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-
-AC_DEFUN([gt_INTDIV0],
-[
- AC_REQUIRE([AC_PROG_CC])dnl
- AC_REQUIRE([AC_CANONICAL_HOST])dnl
-
- AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
- [gt_cv_int_divbyzero_sigfpe],
- [
- gt_cv_int_divbyzero_sigfpe=
-changequote(,)dnl
- case "$host_os" in
- macos* | darwin[6-9]* | darwin[1-9][0-9]*)
- # On Mac OS X 10.2 or newer, just assume the same as when cross-
- # compiling. If we were to perform the real test, 1 Crash Report
- # dialog window would pop up.
- case "$host_cpu" in
- i[34567]86 | x86_64)
- gt_cv_int_divbyzero_sigfpe="guessing yes" ;;
- esac
- ;;
- esac
-changequote([,])dnl
- if test -z "$gt_cv_int_divbyzero_sigfpe"; then
- AC_RUN_IFELSE(
- [AC_LANG_SOURCE([[
-#include <stdlib.h> /* for exit() */
-#include <signal.h>
-#if !(defined _WIN32 && !defined __CYGWIN__)
-#include <unistd.h> /* for _exit() */
-#endif
-
-static void
-sigfpe_handler (int sig)
-{
- /* Exit with code 0 if SIGFPE, with code 1 if any other signal. */
- _exit (sig != SIGFPE);
-}
-
-int x = 1;
-int y = 0;
-int z;
-int inan;
-
-int main ()
-{
- signal (SIGFPE, sigfpe_handler);
-/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */
-#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
- signal (SIGTRAP, sigfpe_handler);
-#endif
-/* Linux/SPARC yields signal SIGILL. */
-#if defined (__sparc__) && defined (__linux__)
- signal (SIGILL, sigfpe_handler);
-#endif
-
- z = x / y;
- inan = y / y;
- exit (2);
-}
-]])],
- [gt_cv_int_divbyzero_sigfpe=yes],
- [gt_cv_int_divbyzero_sigfpe=no],
- [
- # Guess based on the CPU.
-changequote(,)dnl
- case "$host_cpu" in
- alpha* | i[34567]86 | x86_64 | m68k | s390*)
- gt_cv_int_divbyzero_sigfpe="guessing yes";;
- *)
- gt_cv_int_divbyzero_sigfpe="guessing no";;
- esac
-changequote([,])dnl
- ])
- fi
- ])
- case "$gt_cv_int_divbyzero_sigfpe" in
- *yes) value=1 ;;
- *) value=0 ;;
- esac
- AC_DEFINE_UNQUOTED([INTDIV0_RAISES_SIGFPE], [$value],
- [Define if integer division by zero raises signal SIGFPE.])
-])
enum eval_status
{
PE_OK, /* Evaluation succeeded, produced a value */
+ PE_INTDIV, /* Integer division by zero */
+ PE_INTOVF, /* Integer overflow */
PE_STACKOVF, /* Stack overflow */
PE_ASSERT /* Assertion failure */
};
dnl Checks for library functions.
AC_CHECK_FUNCS([select])
-gt_SIGINFO
AC_C_BIGENDIAN([endianness=1], [endianness=0],
[echo "AC-C-BIGENDIAN fails to work on your system." | sed -e 's,-,_,g' 1>&2
csharpexec-test.cs csharpexec-test.exe \
exported.m4 \
hostname.m4 \
- locale-de.m4 \
- siginfo.m4
+ locale-de.m4
+++ /dev/null
-# siginfo.m4 serial 2 (gettext-0.21.1)
-dnl Copyright (C) 2001-2002, 2020 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-# Determine how to determine the precise cause of a signal, for example
-# division by zero.
-# - SUSV2 and POSIX specify the use of sigaction with SA_SIGINFO and a member
-# void (*)(int sig, siginfo_t *info, void *context) sa_sigaction.
-# Linux (2.2.x and newer) and Solaris implement this.
-# Linux (2.4.x and newer) on i386, m68k, sparc, sparc64, ia64 actually
-# deliver FPE_INTDIV.
-# - Without SA_SIGINFO:
-# - Linux on m68k calls the handler as
-# void (*)(int sig, int code, struct sigcontext* scp).
-# For division by zero, code would be VEC_ZERODIV<<2.
-# - Linux on sparc calls the handler either as
-# void (*)(int sig, int code, struct sigcontext* scp),
-# code for division by zero would be SUBSIG_IDIVZERO, or as
-# void (*)(int sig, siginfo_t *info, void *context).
-# Which one depends on a process specific flag in the kernel.
-# - Linux on sparc64 always calls the handler as
-# void (*)(int sig, siginfo_t *info, void *context).
-# - FreeBSD on i386 calls the handler as
-# void (*)(int sig, int code, void* scp, char* addr).
-# For division by zero, code would be FPE_INTDIV.
-# - SunOS 4 calls the handler as
-# void (*)(int sig, int code, void* scp, char* addr).
-# - Solaris?
-# - Irix 5, OSF/1, AIX call the handler as
-# void (*)(int sig, int code, struct sigcontext *scp).
-# These are so many OS and CPU dependencies that we don't bother, and rely
-# only on SA_SIGINFO.
-AC_DEFUN([gt_SIGINFO],
-[
- AC_CACHE_CHECK([for signal handlers with siginfo_t], gt_cv_siginfo_t,
- [AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM(
- [[#include <signal.h>]],
- [[struct sigaction action;
- siginfo_t info;
- action.sa_flags = SA_SIGINFO;
- action.sa_sigaction = (void *) 0;
- ]])],
- [gt_cv_siginfo_t=yes],
- [gt_cv_siginfo_t=no])])
- if test $gt_cv_siginfo_t = yes; then
- AC_DEFINE([HAVE_SIGINFO], [1],
- [Define to 1 if <signal.h> defines the siginfo_t type and
- struct sigaction has the sa_sigaction member and the SA_SIGINFO flag.])
- fi
-])
#include "msgl-check.h"
#include <limits.h>
-#include <setjmp.h>
-#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
unsigned long n;
unsigned int count;
- /* Protect against arithmetic exceptions. */
- install_sigfpe_handler ();
-
count = 0;
for (n = min; n <= max; n++)
{
count++;
}
- /* End of protection against arithmetic exceptions. */
- uninstall_sigfpe_handler ();
-
return count;
}
else
/* Do as if the plural formula assumes a value N infinitely often if it
assumes it at least 5 times. */
#define OFTEN 5
- unsigned char * volatile array;
+ unsigned char *array;
/* Allocate a distribution array. */
if (nplurals_value <= 100)
/* nplurals_value is nonsense. Don't risk an out-of-memory. */
array = NULL;
- if (sigsetjmp (sigfpe_exit, 1) == 0)
- {
- unsigned long n;
-
- /* Protect against arithmetic exceptions. */
- install_sigfpe_handler ();
+ unsigned long n;
- for (n = 0; n <= 1000; n++)
+ for (n = 0; n <= 1000; n++)
+ {
+ struct eval_result res = plural_eval (plural_expr, n);
+ if (res.status != PE_OK)
{
- struct eval_result res = plural_eval (plural_expr, n);
- if (res.status != PE_OK)
- {
- /* End of protection against arithmetic exceptions. */
- uninstall_sigfpe_handler ();
-
- if (res.status == PE_STACKOVF)
- po_xerror (PO_SEVERITY_ERROR, header, NULL, 0, 0, false,
- _("plural expression can produce stack overflow"));
- else
- /* Other res.status values should not occur. */
- abort ();
-
- free (array);
- return 1;
- }
-
- unsigned long val = res.value;
-
- if ((long) val < 0)
- {
- /* End of protection against arithmetic exceptions. */
- uninstall_sigfpe_handler ();
-
- po_xerror (PO_SEVERITY_ERROR, header, NULL, 0, 0, false,
- _("plural expression can produce negative values"));
- free (array);
- return 1;
- }
- else if (val >= nplurals_value)
- {
- char *msg;
-
- /* End of protection against arithmetic exceptions. */
- uninstall_sigfpe_handler ();
-
- msg = xasprintf (_("nplurals = %lu but plural expression can produce values as large as %lu"),
- nplurals_value, val);
- po_xerror (PO_SEVERITY_ERROR, header, NULL, 0, 0, false, msg);
- free (msg);
- free (array);
- return 1;
- }
+ if (res.status == PE_INTDIV)
+ po_xerror (PO_SEVERITY_ERROR, header, NULL, 0, 0, false,
+ _("plural expression can produce division by zero"));
+ else if (res.status == PE_INTOVF)
+ po_xerror (PO_SEVERITY_ERROR, header, NULL, 0, 0, false,
+ _("plural expression can produce integer overflow"));
+ else if (res.status == PE_STACKOVF)
+ po_xerror (PO_SEVERITY_ERROR, header, NULL, 0, 0, false,
+ _("plural expression can produce stack overflow"));
+ else
+ /* Other res.status values should not occur. */
+ abort ();
- if (array != NULL && array[val] < OFTEN)
- array[val]++;
+ free (array);
+ return 1;
}
- /* End of protection against arithmetic exceptions. */
- uninstall_sigfpe_handler ();
+ unsigned long val = res.value;
- /* Normalize the array[val] statistics. */
- if (array != NULL)
+ if ((long) val < 0)
{
- unsigned long val;
-
- for (val = 0; val < nplurals_value; val++)
- array[val] = (array[val] == OFTEN ? 1 : 0);
+ po_xerror (PO_SEVERITY_ERROR, header, NULL, 0, 0, false,
+ _("plural expression can produce negative values"));
+ free (array);
+ return 1;
}
-
- distribution->expr = plural_expr;
- distribution->often = array;
- distribution->often_length = (array != NULL ? nplurals_value : 0);
- distribution->histogram = plural_expression_histogram;
-
- return 0;
- }
- else
- {
- /* Caught an arithmetic exception. */
- const char *msg;
-
- /* End of protection against arithmetic exceptions. */
- uninstall_sigfpe_handler ();
-
-#if USE_SIGINFO
- switch (sigfpe_code)
-#endif
+ else if (val >= nplurals_value)
{
-#if USE_SIGINFO
-# ifdef FPE_INTDIV
- case FPE_INTDIV:
- msg = _("plural expression can produce division by zero");
- break;
-# endif
-# ifdef FPE_INTOVF
- case FPE_INTOVF:
- msg = _("plural expression can produce integer overflow");
- break;
-# endif
- default:
-#endif
- msg = _("plural expression can produce arithmetic exceptions, possibly division by zero");
+ char *msg =
+ xasprintf (_("nplurals = %lu but plural expression can produce values as large as %lu"),
+ nplurals_value, val);
+ po_xerror (PO_SEVERITY_ERROR, header, NULL, 0, 0, false, msg);
+ free (msg);
+ free (array);
+ return 1;
}
- po_xerror (PO_SEVERITY_ERROR, header, NULL, 0, 0, false, msg);
+ if (array != NULL && array[val] < OFTEN)
+ array[val]++;
+ }
- free (array);
+ /* Normalize the array[val] statistics. */
+ if (array != NULL)
+ {
+ unsigned long val;
- return 1;
+ for (val = 0; val < nplurals_value; val++)
+ array[val] = (array[val] == OFTEN ? 1 : 0);
}
+
+ distribution->expr = plural_expr;
+ distribution->often = array;
+ distribution->often_length = (array != NULL ? nplurals_value : 0);
+ distribution->histogram = plural_expression_histogram;
+
+ return 0;
#undef OFTEN
}
/* Expression evaluation for plural form selection.
- Copyright (C) 2000-2003, 2005, 2019-2020 Free Software Foundation, Inc.
+ Copyright (C) 2000-2023 Free Software Foundation, Inc.
Written by Ulrich Drepper <drepper@cygnus.com>, 2000.
This program is free software: you can redistribute it and/or modify
#include "plural-eval.h"
#include <stddef.h>
-#include <signal.h>
#include "plural-exp.h"
/* Include the expression evaluation code from libintl, this time with
'extern' linkage. */
#include "eval-plural.h"
-
-
-/* Exit point. Must be set before calling install_sigfpe_handler(). */
-sigjmp_buf sigfpe_exit;
-
-#if USE_SIGINFO
-
-/* Additional information that is set before sigfpe_exit is invoked. */
-int volatile sigfpe_code;
-
-/* Signal handler called in case of arithmetic exception (e.g. division
- by zero) during plural_eval. */
-static _GL_ASYNC_SAFE void
-sigfpe_handler (int sig, siginfo_t *sip, void *scp)
-{
- sigfpe_code = sip->si_code;
- /* This handler is invoked on the thread that caused the SIGFPE, that is,
- the thread that is doing plural evaluation. Therefore it's OK to use
- siglongjmp. */
- siglongjmp (sigfpe_exit, 1);
-}
-
-#else
-
-/* Signal handler called in case of arithmetic exception (e.g. division
- by zero) during plural_eval. */
-static _GL_ASYNC_SAFE void
-sigfpe_handler (int sig)
-{
- /* This handler is invoked on the thread that caused the SIGFPE, that is,
- the thread that is doing plural evaluation. Therefore it's OK to use
- siglongjmp. */
- siglongjmp (sigfpe_exit, 1);
-}
-
-#endif
-
-void
-install_sigfpe_handler (void)
-{
-#if USE_SIGINFO
- struct sigaction action;
- action.sa_sigaction = sigfpe_handler;
- action.sa_flags = SA_SIGINFO;
- sigemptyset (&action.sa_mask);
- sigaction (SIGFPE, &action, (struct sigaction *) NULL);
-#else
- signal (SIGFPE, sigfpe_handler);
-#endif
-}
-
-void
-uninstall_sigfpe_handler (void)
-{
-#if USE_SIGINFO
- struct sigaction action;
- action.sa_handler = SIG_DFL;
- action.sa_flags = 0;
- sigemptyset (&action.sa_mask);
- sigaction (SIGFPE, &action, (struct sigaction *) NULL);
-#else
- signal (SIGFPE, SIG_DFL);
-#endif
-}
#include "plural-exp.h"
-/* Protection against signals during plural evaluation. */
-
-#include <setjmp.h>
-
-/* Some platforms don't have the sigjmp_buf type in <setjmp.h>. */
-#if defined _MSC_VER || defined __MINGW32__
-/* Native Woe32 API. */
-# define sigjmp_buf jmp_buf
-# define sigsetjmp(env,savesigs) setjmp (env)
-# define siglongjmp longjmp
-#endif
-
-/* We use siginfo to get precise information about the signal.
- But siginfo doesn't work on Irix 6.5 and on Cygwin 2005. */
-#if HAVE_SIGINFO && !defined (__sgi) && !defined (__CYGWIN__)
-# define USE_SIGINFO 1
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Exit point. Must be set before calling install_sigfpe_handler(). */
-extern sigjmp_buf sigfpe_exit;
-
-#if USE_SIGINFO
-/* Additional information that is set before sigfpe_exit is invoked. */
-extern int volatile sigfpe_code;
-#endif
-
-/* Protect against signals during plural evaluation. Must be called around
- calls to plural_eval(). Must be called in pairs. */
-extern void install_sigfpe_handler (void);
-extern void uninstall_sigfpe_handler (void);
-
-#ifdef __cplusplus
-}
-#endif
-
-
#endif /* _PLURAL_EVAL_H */
projects / thirdparty / gettext.git / commitdiff
