1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
# fnmatch.m4
# serial 21 -*- coding: utf-8 -*-
dnl Copyright (C) 2000-2007, 2009-2024 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.
# Check for fnmatch
# Autoconf defines AC_FUNC_FNMATCH, but that is obsolescent.
# New applications should use the macros below instead.
# Request a POSIX compliant fnmatch function.
AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
[
m4_divert_text([DEFAULTS], [gl_fnmatch_required=POSIX])
AC_REQUIRE([gl_FNMATCH_H])
AC_REQUIRE([AC_CANONICAL_HOST])
gl_fnmatch_required_lowercase=`
echo $gl_fnmatch_required | LC_ALL=C tr '[[A-Z]]' '[[a-z]]'
`
AC_CHECK_FUNCS_ONCE([fnmatch])
if test $ac_cv_func_fnmatch = no; then
HAVE_FNMATCH=0
else
gl_fnmatch_cache_var="gl_cv_func_fnmatch_${gl_fnmatch_required_lowercase}"
AC_CACHE_CHECK([for working $gl_fnmatch_required fnmatch],
[$gl_fnmatch_cache_var],
[dnl Some versions of Solaris, SCO, and the GNU C Library
dnl have a broken or incompatible fnmatch.
dnl So we run a test program. If we are cross-compiling, take no chance.
dnl Thanks to John Oleynick, François Pinard, and Paul Eggert for this
dnl test.
if test $gl_fnmatch_required = GNU; then
gl_fnmatch_gnu_start=
gl_fnmatch_gnu_end=
else
gl_fnmatch_gnu_start='#if 0'
gl_fnmatch_gnu_end='#endif'
fi
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)
{
return fnmatch (pattern, string, flags) == 0;
}
static int
n (char const *pattern, char const *string, int flags)
{
return fnmatch (pattern, string, flags) == FNM_NOMATCH;
}
]],
[[char const *Apat = 'A' < '\\\\' ? "[A-\\\\\\\\]" : "[\\\\\\\\-A]";
char const *apat = 'a' < '\\\\' ? "[a-\\\\\\\\]" : "[\\\\\\\\-a]";
static char const A_1[] = { 'A' - 1, 0 };
static char const A01[] = { 'A' + 1, 0 };
static char const a_1[] = { 'a' - 1, 0 };
static char const a01[] = { 'a' + 1, 0 };
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 (!n ("d*/*1", "d/s/1", FNM_PATHNAME))
return 1;
if (!y ("a\\\\bc", "abc", 0))
return 1;
if (!n ("a\\\\bc", "abc", FNM_NOESCAPE))
return 1;
if (!y ("*x", ".x", 0))
return 1;
if (!n ("*x", ".x", FNM_PERIOD))
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))
result |= 2;
if (!y (Apat, "A", 0))
result |= 2;
if (!y (apat, "\\\\", 0))
result |= 2;
if (!y (apat, "a", 0))
result |= 2;
if (!(n (Apat, A_1, 0) == ('A' < '\\\\')))
result |= 2;
if (!(n (apat, a_1, 0) == ('a' < '\\\\')))
result |= 2;
if (!(y (Apat, A01, 0) == ('A' < '\\\\')))
result |= 2;
if (!(y (apat, a01, 0) == ('a' < '\\\\')))
result |= 2;
if (!(y (Apat, bs_1, 0) == ('A' < '\\\\')))
result |= 2;
if (!(y (apat, bs_1, 0) == ('a' < '\\\\')))
result |= 2;
if (!(n (Apat, bs01, 0) == ('A' < '\\\\')))
result |= 2;
if (!(n (apat, bs01, 0) == ('a' < '\\\\')))
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 10.0, 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 |= 64;
if (!n ("d*/*1", "d/s/1", FNM_FILE_NAME))
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;
$gl_fnmatch_gnu_end /* ==== End of GNU extensions tests ==== */
/* ==== End of tests in the "C" locale ==== */
/* ==== Start of tests that require a specific locale ==== */
/* This test fails on Solaris 11.4. */
if (setlocale (LC_ALL, "en_US.UTF-8") != NULL)
{
if (!n ("[!a-z]", "", 0))
result |= 16;
}
/* This test fails on NetBSD 10.0, Android 13. */
if (setlocale (LC_ALL, "C.UTF-8") != NULL)
{
if (!y ("x?y", "x\\303\\274y", 0))
result |= 32;
}
/* ==== End of tests that require a specific locale ==== */
return result;
]])],
[eval "$gl_fnmatch_cache_var=yes"],
[eval "$gl_fnmatch_cache_var=no"],
[case "$host_os" in
# Guess yes on musl systems.
*-musl* | midipix*) eval "$gl_fnmatch_cache_var=\"guessing yes\"" ;;
# Guess no otherwise, even on glibc systems.
*) eval "$gl_fnmatch_cache_var=\"guessing no\"" ;;
esac
])
])
eval "gl_fnmatch_result=\"\$$gl_fnmatch_cache_var\""
case "$gl_fnmatch_result" in
*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
fi
])
# Request a POSIX compliant fnmatch function with GNU extensions.
AC_DEFUN([gl_FUNC_FNMATCH_GNU],
[
m4_divert_text([INIT_PREPARE], [gl_fnmatch_required=GNU])
AC_REQUIRE([gl_FUNC_FNMATCH_POSIX])
])
AC_DEFUN([gl_PREREQ_FNMATCH],
[
dnl Prerequisites of lib/fnmatch.c.
AC_REQUIRE([AC_TYPE_MBSTATE_T])
AC_CHECK_FUNCS_ONCE([mbsrtowcs])
])
|
