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-rw-r--r--m4/fnmatch.m4110
1 files changed, 83 insertions, 27 deletions
diff --git a/m4/fnmatch.m4 b/m4/fnmatch.m4
index 895db13..54d5c7b 100644
--- a/m4/fnmatch.m4
+++ b/m4/fnmatch.m4
@@ -1,6 +1,6 @@
-# Check for fnmatch - serial 16. -*- coding: utf-8 -*-
+# Check for fnmatch - serial 20 -*- coding: utf-8 -*-
-# Copyright (C) 2000-2007, 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2007, 2009-2024 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@@ -14,7 +14,7 @@ AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
m4_divert_text([DEFAULTS], [gl_fnmatch_required=POSIX])
AC_REQUIRE([gl_FNMATCH_H])
- AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_REQUIRE([AC_CANONICAL_HOST])
gl_fnmatch_required_lowercase=`
echo $gl_fnmatch_required | LC_ALL=C tr '[[A-Z]]' '[[a-z]]'
`
@@ -40,6 +40,8 @@ AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[#include <fnmatch.h>
+ #include <locale.h>
+ #include <stddef.h>
static int
y (char const *pattern, char const *string, int flags)
{
@@ -60,60 +62,96 @@ AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
static char const bs_1[] = { '\\\\' - 1, 0 };
static char const bs01[] = { '\\\\' + 1, 0 };
int result = 0;
+ /* ==== Start of tests in the "C" locale ==== */
+ /* These are sanity checks. They all succeed on current platforms. */
if (!n ("a*", "", 0))
return 1;
if (!y ("a*", "abc", 0))
return 1;
- if (!y ("[/b", "[/b", 0)) /*"]]"*/ /* glibc Bugzilla bug 12378 */
- return 1;
if (!n ("d*/*1", "d/s/1", FNM_PATHNAME))
- return 2;
+ return 1;
if (!y ("a\\\\bc", "abc", 0))
- return 3;
+ return 1;
if (!n ("a\\\\bc", "abc", FNM_NOESCAPE))
- return 3;
+ return 1;
if (!y ("*x", ".x", 0))
- return 4;
+ return 1;
if (!n ("*x", ".x", FNM_PERIOD))
- return 4;
+ return 1;
+ /* glibc bug <https://sourceware.org/bugzilla/show_bug.cgi?id=361>
+ exists in glibc 2.3.3, fixed in glibc 2.5. */
if (!y (Apat, "\\\\", 0))
- return 5;
+ result |= 2;
if (!y (Apat, "A", 0))
- return 5;
+ result |= 2;
if (!y (apat, "\\\\", 0))
- return 5;
+ result |= 2;
if (!y (apat, "a", 0))
- return 5;
+ result |= 2;
if (!(n (Apat, A_1, 0) == ('A' < '\\\\')))
- return 5;
+ result |= 2;
if (!(n (apat, a_1, 0) == ('a' < '\\\\')))
- return 5;
+ result |= 2;
if (!(y (Apat, A01, 0) == ('A' < '\\\\')))
- return 5;
+ result |= 2;
if (!(y (apat, a01, 0) == ('a' < '\\\\')))
- return 5;
+ result |= 2;
if (!(y (Apat, bs_1, 0) == ('A' < '\\\\')))
- return 5;
+ result |= 2;
if (!(y (apat, bs_1, 0) == ('a' < '\\\\')))
- return 5;
+ result |= 2;
if (!(n (Apat, bs01, 0) == ('A' < '\\\\')))
- return 5;
+ result |= 2;
if (!(n (apat, bs01, 0) == ('a' < '\\\\')))
- return 5;
- $gl_fnmatch_gnu_start
- if (!y ("xxXX", "xXxX", FNM_CASEFOLD))
+ result |= 2;
+ /* glibc bug <https://sourceware.org/bugzilla/show_bug.cgi?id=12378>
+ exists in glibc 2.12, fixed in glibc 2.13. */
+ if (!y ("[/b", "[/b", 0)) /*"]]"*/
+ result |= 4;
+ /* glibc bug <https://sourceware.org/bugzilla/show_bug.cgi?id=17062>
+ is fixed in glibc 2.20.
+ glibc bugs <https://sourceware.org/bugzilla/show_bug.cgi?id=18032>
+ <https://sourceware.org/bugzilla/show_bug.cgi?id=18036>
+ are fixed in glibc 2.22.
+ These bugs are not easy to test for reliably (without mmap),
+ therefore test the glibc version. */
+ #if defined __GLIBC__
+ if (__GLIBC__ == 2 && __GLIBC_MINOR__ < 22)
+ result |= 4;
+ #endif
+ /* This test fails on FreeBSD 13.2, NetBSD 9.3, Cygwin 3.4.6. */
+ if (!y ("[[:alnum:]]", "a", 0))
result |= 8;
+ $gl_fnmatch_gnu_start /* ==== Start of GNU extensions tests ==== */
+ /* Sanity checks, mainly to check the presence of the FNM_* macros. */
+ if (!y ("xxXX", "xXxX", FNM_CASEFOLD))
+ result |= 64;
if (!y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH))
- result |= 16;
+ result |= 64;
if (!n ("d*/*1", "d/s/1", FNM_FILE_NAME))
- result |= 32;
+ result |= 64;
if (!y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR))
result |= 64;
if (!y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR))
result |= 64;
if (!y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR))
result |= 64;
- $gl_fnmatch_gnu_end
+ $gl_fnmatch_gnu_end /* ==== End of GNU extensions tests ==== */
+ /* ==== End of tests in the "C" locale ==== */
+ /* ==== Start of tests that require a specific locale ==== */
+ /* This test fails on Solaris 11.4. */
+ if (setlocale (LC_ALL, "en_US.UTF-8") != NULL)
+ {
+ if (!n ("[!a-z]", "", 0))
+ result |= 16;
+ }
+ /* This test fails on NetBSD 9.3, Android 13. */
+ if (setlocale (LC_ALL, "C.UTF-8") != NULL)
+ {
+ if (!y ("x?y", "x\\303\\274y", 0))
+ result |= 32;
+ }
+ /* ==== End of tests that require a specific locale ==== */
return result;
]])],
[eval "$gl_fnmatch_cache_var=yes"],
@@ -131,6 +169,24 @@ AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
*yes) ;;
*) REPLACE_FNMATCH=1 ;;
esac
+ dnl On AIX 7.2 in 32-bit mode, fnmatch()'s only POSIX compliance problem is
+ dnl that is does not support characters outside the Unicode BMP correctly.
+ dnl Test case: fnmatch ("x?y", "x\360\237\230\213y", 0) == 0
+ dnl This is due to wchar_t being only 16 bits wide.
+ AC_REQUIRE([gl_UCHAR_H])
+ if test $SMALL_WCHAR_T = 1; then
+ case "$host_os" in
+ cygwin*)
+ dnl On Cygwin < 3.5.0, the above $gl_fnmatch_result came out as 'no',
+ dnl On Cygwin >= 3.5.0, fnmatch supports all Unicode characters,
+ dnl despite wchar_t being only 16 bits wide (because internally it
+ dnl works on wint_t values).
+ ;;
+ *)
+ REPLACE_FNMATCH=1
+ ;;
+ esac
+ fi
fi
if test $HAVE_FNMATCH = 0 || test $REPLACE_FNMATCH = 1; then
gl_REPLACE_FNMATCH_H
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-12 12:08:57 +0000