mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-12 09:28:24 +00:00
8ca4162ecd
* admin/merge-gnulib (GNULIB_MODULES): * cross/lib/getopt-pfx-core.h (optind): * cross/lib/limits.in.h (BOOL_WIDTH): * cross/lib/math.in.h: * cross/lib/stpncpy.c (__stpncpy): * cross/lib/string.in.h: * lib/getopt-pfx-core.h (optind): * lib/gnulib.mk.in (ANDROID_MIN_SDK): (GL_COND_OBJ_STDIO_READ_CONDITION): (LIBS): (NDK_BUILD_AR): (REPLACE__EXIT): (libgnu_a_SOURCES): * lib/limits.in.h (BOOL_WIDTH): * lib/math.in.h: * lib/stpncpy.c (__stpncpy): * lib/string.in.h: * m4/assert_h.m4 (gl_ASSERT_H): * m4/fdopendir.m4 (gl_FUNC_FDOPENDIR): * m4/getdelim.m4 (gl_FUNC_GETDELIM): * m4/getline.m4 (gl_FUNC_GETLINE): * m4/gnulib-common.m4 (gl_COMMON_BODY): (gl_CONDITIONAL_HEADER): (gl_CHECK_FUNCS_ANDROID): * m4/gnulib-comp.m4 (gl_EARLY): (gl_INIT): (gl_FILE_LIST): * m4/limits-h.m4: * m4/lstat.m4 (gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK): * m4/malloc.m4 (_AC_FUNC_MALLOC_IF): * m4/printf.m4 (gl_PRINTF_SIZES_C99): (gl_PRINTF_INFINITE): (gl_PRINTF_INFINITE_LONG_DOUBLE): (gl_PRINTF_DIRECTIVE_A): (gl_PRINTF_DIRECTIVE_F): (gl_PRINTF_FLAG_ZERO): (gl_SNPRINTF_PRESENCE): (gl_SNPRINTF_DIRECTIVE_N): (gl_VSNPRINTF_ZEROSIZE_C99): * m4/pselect.m4 (gl_FUNC_PSELECT): * m4/readlink.m4 (gl_FUNC_READLINK): * m4/realloc.m4 (_AC_FUNC_REALLOC_IF): * m4/signbit.m4 (gl_SIGNBIT): * m4/stpncpy.m4 (gl_FUNC_STPNCPY): * m4/symlink.m4 (gl_FUNC_SYMLINK): Add gnulib module stpncpy. * src/android.c: Include string.h.
115 lines
3.5 KiB
Plaintext
115 lines
3.5 KiB
Plaintext
# getdelim.m4 serial 19
|
|
|
|
dnl Copyright (C) 2005-2007, 2009-2023 Free Software Foundation, Inc.
|
|
dnl
|
|
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.
|
|
|
|
AC_PREREQ([2.59])
|
|
|
|
AC_DEFUN([gl_FUNC_GETDELIM],
|
|
[
|
|
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
|
|
AC_REQUIRE([AC_CANONICAL_HOST])
|
|
|
|
dnl Persuade glibc <stdio.h> to declare getdelim().
|
|
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
|
|
|
|
AC_CHECK_DECLS_ONCE([getdelim])
|
|
|
|
gl_CHECK_FUNCS_ANDROID([getdelim], [[#include <stdio.h>]])
|
|
if test $ac_cv_func_getdelim = yes; then
|
|
HAVE_GETDELIM=1
|
|
dnl Found it in some library. Verify that it works.
|
|
AC_CACHE_CHECK([for working getdelim function],
|
|
[gl_cv_func_working_getdelim],
|
|
[case "$host_os" in
|
|
darwin*)
|
|
dnl On macOS 10.13, valgrind detected an out-of-bounds read during
|
|
dnl the GNU sed test suite:
|
|
dnl Invalid read of size 16
|
|
dnl at 0x100EE6A05: _platform_memchr$VARIANT$Base (in /usr/lib/system/libsystem_platform.dylib)
|
|
dnl by 0x100B7B0BD: getdelim (in /usr/lib/system/libsystem_c.dylib)
|
|
dnl by 0x10000B0BE: ck_getdelim (utils.c:254)
|
|
gl_cv_func_working_getdelim=no ;;
|
|
*)
|
|
echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
# include <stdio.h>
|
|
# include <stdlib.h>
|
|
# include <string.h>
|
|
int main ()
|
|
{
|
|
FILE *in = fopen ("./conftest.data", "r");
|
|
if (!in)
|
|
return 1;
|
|
{
|
|
/* Test result for a NULL buffer and a zero size.
|
|
Based on a test program from Karl Heuer. */
|
|
char *line = NULL;
|
|
size_t siz = 0;
|
|
int len = getdelim (&line, &siz, '\n', in);
|
|
if (!(len == 4 && line && strcmp (line, "foo\n") == 0))
|
|
{ free (line); fclose (in); return 2; }
|
|
free (line);
|
|
}
|
|
{
|
|
/* Test result for a NULL buffer and a non-zero size.
|
|
This crashes on FreeBSD 8.0. */
|
|
char *line = NULL;
|
|
size_t siz = (size_t)(~0) / 4;
|
|
if (getdelim (&line, &siz, '\n', in) == -1)
|
|
{ fclose (in); return 3; }
|
|
free (line);
|
|
}
|
|
fclose (in);
|
|
return 0;
|
|
}
|
|
]])],
|
|
[gl_cv_func_working_getdelim=yes],
|
|
[gl_cv_func_working_getdelim=no],
|
|
[dnl We're cross compiling.
|
|
dnl Guess it works on glibc2 systems and musl systems.
|
|
AC_EGREP_CPP([Lucky GNU user],
|
|
[
|
|
#include <features.h>
|
|
#ifdef __GNU_LIBRARY__
|
|
#if (__GLIBC__ >= 2) && !defined __UCLIBC__
|
|
Lucky GNU user
|
|
#endif
|
|
#endif
|
|
],
|
|
[gl_cv_func_working_getdelim="guessing yes"],
|
|
[case "$host_os" in
|
|
*-musl* | midipix*) gl_cv_func_working_getdelim="guessing yes" ;;
|
|
*) gl_cv_func_working_getdelim="$gl_cross_guess_normal" ;;
|
|
esac
|
|
])
|
|
])
|
|
;;
|
|
esac
|
|
])
|
|
case "$gl_cv_func_working_getdelim" in
|
|
*yes) ;;
|
|
*) REPLACE_GETDELIM=1 ;;
|
|
esac
|
|
else
|
|
HAVE_GETDELIM=0
|
|
case "$gl_cv_onwards_func_getdelim" in
|
|
future*) REPLACE_GETDELIM=1 ;;
|
|
esac
|
|
fi
|
|
|
|
if test $ac_cv_have_decl_getdelim = no; then
|
|
HAVE_DECL_GETDELIM=0
|
|
fi
|
|
])
|
|
|
|
# Prerequisites of lib/getdelim.c.
|
|
AC_DEFUN([gl_PREREQ_GETDELIM],
|
|
[
|
|
AC_CHECK_FUNCS([flockfile funlockfile])
|
|
AC_CHECK_DECLS([getc_unlocked])
|
|
])
|