mirror of
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aeb22f4861
This is a followup to edfca3b7e5, which
added the 'posix_spawnp' module but not 'posix_spawn'.
* m4/gnulib-cache.m4: Add 'posix_spawn' module.
* gnulib-local/m4/clock_time.m4.diff: Adjust.
* configure.ac: Move 'gl_EARLY' use right after 'AC_PROG_CC'.
233 lines
8.4 KiB
Text
233 lines
8.4 KiB
Text
# iconv_open-utf.m4 serial 4
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dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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# A placeholder to ensure that this m4 file gets included by aclocal.
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AC_DEFUN([gl_FUNC_ICONV_OPEN_UTF], [])
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AC_DEFUN([gl_FUNC_ICONV_OPEN_UTF_SUPPORT],
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[
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dnl This macro relies on am_cv_func_iconv and gl_func_iconv_gnu from
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dnl gl_FUNC_ICONV_OPEN, but is called from within gl_FUNC_ICONV_OPEN.
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dnl *Not* AC_REQUIRE([gl_FUNC_ICONV_OPEN]).
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AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
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AC_REQUIRE([gl_ICONV_H_DEFAULTS])
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if test "$am_cv_func_iconv" = yes; then
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AC_CACHE_CHECK([whether iconv supports conversion between UTF-8 and UTF-{16,32}{BE,LE}],
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[gl_cv_func_iconv_supports_utf],
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[
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save_LIBS="$LIBS"
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LIBS="$LIBS $LIBICONV"
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AC_RUN_IFELSE(
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[AC_LANG_SOURCE([[
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#include <iconv.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main ()
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{
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int result = 0;
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/* Test conversion from UTF-8 to UTF-16BE with no errors. */
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{
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static const char input[] =
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"Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
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static const char expected[] =
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"\000J\000a\000p\000a\000n\000e\000s\000e\000 \000(\145\345\147\054\212\236\000)\000 \000[\330\065\335\015\330\065\335\036\330\065\335\055\000]";
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iconv_t cd;
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cd = iconv_open ("UTF-16BE", "UTF-8");
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if (cd == (iconv_t)(-1))
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result |= 1;
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else
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{
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char buf[100];
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const char *inptr;
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size_t inbytesleft;
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char *outptr;
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size_t outbytesleft;
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size_t res;
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inptr = input;
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inbytesleft = sizeof (input) - 1;
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outptr = buf;
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outbytesleft = sizeof (buf);
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res = iconv (cd,
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(ICONV_CONST char **) &inptr, &inbytesleft,
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&outptr, &outbytesleft);
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if (!(res == 0 && inbytesleft == 0))
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result |= 1;
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else if (!(outptr == buf + (sizeof (expected) - 1)))
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result |= 1;
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else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0))
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result |= 1;
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else if (!(iconv_close (cd) == 0))
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result |= 1;
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}
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}
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/* Test conversion from UTF-8 to UTF-16LE with no errors. */
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{
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static const char input[] =
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"Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
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static const char expected[] =
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"J\000a\000p\000a\000n\000e\000s\000e\000 \000(\000\345\145\054\147\236\212)\000 \000[\000\065\330\015\335\065\330\036\335\065\330\055\335]\000";
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iconv_t cd;
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cd = iconv_open ("UTF-16LE", "UTF-8");
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if (cd == (iconv_t)(-1))
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result |= 2;
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else
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{
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char buf[100];
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const char *inptr;
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size_t inbytesleft;
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char *outptr;
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size_t outbytesleft;
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size_t res;
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inptr = input;
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inbytesleft = sizeof (input) - 1;
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outptr = buf;
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outbytesleft = sizeof (buf);
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res = iconv (cd,
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(ICONV_CONST char **) &inptr, &inbytesleft,
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&outptr, &outbytesleft);
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if (!(res == 0 && inbytesleft == 0))
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result |= 2;
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else if (!(outptr == buf + (sizeof (expected) - 1)))
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result |= 2;
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else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0))
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result |= 2;
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else if (!(iconv_close (cd) == 0))
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result |= 2;
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}
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}
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/* Test conversion from UTF-8 to UTF-32BE with no errors. */
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{
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static const char input[] =
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"Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
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static const char expected[] =
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"\000\000\000J\000\000\000a\000\000\000p\000\000\000a\000\000\000n\000\000\000e\000\000\000s\000\000\000e\000\000\000 \000\000\000(\000\000\145\345\000\000\147\054\000\000\212\236\000\000\000)\000\000\000 \000\000\000[\000\001\325\015\000\001\325\036\000\001\325\055\000\000\000]";
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iconv_t cd;
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cd = iconv_open ("UTF-32BE", "UTF-8");
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if (cd == (iconv_t)(-1))
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result |= 4;
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else
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{
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char buf[100];
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const char *inptr;
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size_t inbytesleft;
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char *outptr;
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size_t outbytesleft;
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size_t res;
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inptr = input;
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inbytesleft = sizeof (input) - 1;
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outptr = buf;
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outbytesleft = sizeof (buf);
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res = iconv (cd,
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(ICONV_CONST char **) &inptr, &inbytesleft,
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&outptr, &outbytesleft);
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if (!(res == 0 && inbytesleft == 0))
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result |= 4;
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else if (!(outptr == buf + (sizeof (expected) - 1)))
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result |= 4;
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else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0))
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result |= 4;
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else if (!(iconv_close (cd) == 0))
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result |= 4;
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}
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}
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/* Test conversion from UTF-8 to UTF-32LE with no errors. */
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{
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static const char input[] =
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"Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
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static const char expected[] =
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"J\000\000\000a\000\000\000p\000\000\000a\000\000\000n\000\000\000e\000\000\000s\000\000\000e\000\000\000 \000\000\000(\000\000\000\345\145\000\000\054\147\000\000\236\212\000\000)\000\000\000 \000\000\000[\000\000\000\015\325\001\000\036\325\001\000\055\325\001\000]\000\000\000";
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iconv_t cd;
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cd = iconv_open ("UTF-32LE", "UTF-8");
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if (cd == (iconv_t)(-1))
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result |= 8;
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else
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{
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char buf[100];
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const char *inptr;
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size_t inbytesleft;
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char *outptr;
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size_t outbytesleft;
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size_t res;
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inptr = input;
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inbytesleft = sizeof (input) - 1;
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outptr = buf;
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outbytesleft = sizeof (buf);
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res = iconv (cd,
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(ICONV_CONST char **) &inptr, &inbytesleft,
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&outptr, &outbytesleft);
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if (!(res == 0 && inbytesleft == 0))
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result |= 8;
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else if (!(outptr == buf + (sizeof (expected) - 1)))
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result |= 8;
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else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0))
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result |= 8;
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else if (!(iconv_close (cd) == 0))
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result |= 8;
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}
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}
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/* Test conversion from UTF-16BE to UTF-8 with no errors.
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This test fails on NetBSD 3.0. */
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{
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static const char input[] =
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"\000J\000a\000p\000a\000n\000e\000s\000e\000 \000(\145\345\147\054\212\236\000)\000 \000[\330\065\335\015\330\065\335\036\330\065\335\055\000]";
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static const char expected[] =
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"Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
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iconv_t cd;
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cd = iconv_open ("UTF-8", "UTF-16BE");
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if (cd == (iconv_t)(-1))
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result |= 16;
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else
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{
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char buf[100];
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const char *inptr;
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size_t inbytesleft;
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char *outptr;
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size_t outbytesleft;
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size_t res;
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inptr = input;
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inbytesleft = sizeof (input) - 1;
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outptr = buf;
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outbytesleft = sizeof (buf);
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res = iconv (cd,
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(ICONV_CONST char **) &inptr, &inbytesleft,
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&outptr, &outbytesleft);
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if (!(res == 0 && inbytesleft == 0))
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result |= 16;
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else if (!(outptr == buf + (sizeof (expected) - 1)))
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result |= 16;
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else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0))
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result |= 16;
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else if (!(iconv_close (cd) == 0))
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result |= 16;
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}
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}
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return result;
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}]])],
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[gl_cv_func_iconv_supports_utf=yes],
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[gl_cv_func_iconv_supports_utf=no],
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[
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dnl We know that GNU libiconv, GNU libc, musl libc, and Solaris >= 9 do.
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dnl OSF/1 5.1 has these encodings, but inserts a BOM in the "to"
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dnl direction.
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gl_cv_func_iconv_supports_utf="$gl_cross_guess_normal"
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if test $gl_func_iconv_gnu = yes; then
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gl_cv_func_iconv_supports_utf="guessing yes"
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else
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changequote(,)dnl
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case "$host_os" in
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*-musl*) gl_cv_func_iconv_supports_utf="guessing yes" ;;
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solaris2.9 | solaris2.1[0-9])
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gl_cv_func_iconv_supports_utf="guessing yes" ;;
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esac
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changequote([,])dnl
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fi
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])
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LIBS="$save_LIBS"
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])
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fi
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])
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