2000-07-04  Ulrich Drepper  <drepper@redhat.com>

	* spinlock.c (__pthread_unlock): Properly place write barrier.
	Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
This commit is contained in:
Ulrich Drepper 2000-07-04 08:22:44 +00:00
parent 0d6af3a86d
commit 83b1b6d8fa
10 changed files with 684 additions and 9 deletions

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@ -25,6 +25,8 @@ GCONV_PATH=${common_objpfx}iconvdata
export GCONV_PATH
LOCPATH=${common_objpfx}localedata
export LOCPATH
LC_ALL=C
export LC_ALL
# Generate the test data.
test -d ${objpfx}domaindir || mkdir ${objpfx}domaindir

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@ -1,3 +1,8 @@
2000-07-04 Ulrich Drepper <drepper@redhat.com>
* spinlock.c (__pthread_unlock): Properly place write barrier.
Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
2000-07-03 Ulrich Drepper <drepper@redhat.com>
* spinlock.c: Replace fast spinlocks by adaptive spinlocks which are

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@ -34,7 +34,7 @@
(status & 1) == 1: spinlock is taken and (status & ~1L) is a
pointer to the first waiting thread; other
waiting threads are linked via the p_nextlock
waiting threads are linked via the p_nextlock
field.
(status & 1) == 0: same as above, but spinlock is not taken.
@ -149,8 +149,8 @@ int __pthread_unlock(struct _pthread_fastlock * lock)
#endif
#if !defined HAS_COMPARE_AND_SWAP
{
lock->__spinlock = 0;
WRITE_MEMORY_BARRIER();
lock->__spinlock = 0;
return 0;
}
#endif
@ -160,7 +160,7 @@ again:
oldstatus = lock->__status;
while ((oldstatus = lock->__status) == 1) {
if (__compare_and_swap_with_release_semantics(&lock->__status,
if (__compare_and_swap_with_release_semantics(&lock->__status,
oldstatus, 0))
return 0;
}

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@ -1142,7 +1142,7 @@ ctype_output (struct localedef_t *locale, struct charmap_t *charmap,
assert (2 + elem + offset == (nelems + ctype->nr_charclass
+ ctype->map_collection_nr + 2 + 2));
write_locale_data (output_path, "LC_CTYPE", 2 + elem + offset + 2, iov);
write_locale_data (output_path, "LC_CTYPE", 2 + elem + offset, iov);
}

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@ -1,3 +1,8 @@
2000-07-04 Ulrich Drepper <drepper@redhat.com>
* tst-fmon.sh (LC_ALL): Define to C for localedef run.
* tst-locale.sh (LC_ALL): Likewise.
2000-07-03 Ulrich Drepper <drepper@redhat.com>
* tst-fmon.sh: Set LOCPATH and LANGUAGE for localedef run.

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@ -36,7 +36,7 @@ for cns in `cd ./tst-fmon-locales && ls tstfmon_*`; do
cn=tst-fmon-locales/$cns
fn=charmaps/ISO-8859-1
I18NPATH=. GCONV_PATH=${common_objpfx}iconvdata \
LOCPATH=${common_objpfx}localedata LANGUAGE=C \
LOCPATH=${common_objpfx}localedata LC_ALL=C LANGUAGE=C \
${common_objpfx}elf/ld.so --library-path $common_objpfx \
${common_objpfx}locale/localedef \
--quiet -i $cn -f $fn ${common_objpfx}localedata/$cns

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@ -31,7 +31,7 @@ test_locale ()
rep="--repertoire-map $rep"
fi
I18NPATH=. GCONV_PATH=${common_objpfx}iconvdata \
LOCPATH=${common_objpfx}localedata LANGUAGE=C \
LOCPATH=${common_objpfx}localedata LC_ALL=C LANGUAGE=C \
${common_objpfx}elf/ld.so --library-path $common_objpfx \
${common_objpfx}locale/localedef --quiet -c -f $charmap -i $input \
${rep} ${common_objpfx}localedata/$out

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@ -176,8 +176,8 @@ FCT (pattern, string, no_leading_period, flags)
case L('['):
{
/* Nonzero if the sense of the character class is inverted. */
static int posixly_correct;
/* Nonzero if the sense of the character class is inverted. */
register int not;
CHAR cold;
@ -273,6 +273,7 @@ FCT (pattern, string, no_leading_period, flags)
|| (STREQ (str, L("xdigit")) && ISXDIGIT ((UCHAR) *n)))
goto matched;
#endif
c = *p++;
}
else if (c == L('\0'))
/* [ (unterminated) loses. */
@ -415,13 +416,14 @@ FCT (pattern, string, no_leading_period, flags)
matched:
/* Skip the rest of the [...] that already matched. */
while (c != L(']'))
do
{
c = *p++;
if (c == L('\0'))
/* [... (unterminated) loses. */
return FNM_NOMATCH;
c = *p++;
if (!(flags & FNM_NOESCAPE) && c == L('\\'))
{
if (*p == L('\0'))
@ -439,6 +441,7 @@ FCT (pattern, string, no_leading_period, flags)
c = *p;
}
}
while (c != L(']'));
if (not)
return FNM_NOMATCH;
}

374
posix/tst-fnmatch.c Normal file
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@ -0,0 +1,374 @@
/* Tests for fnmatch function.
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <error.h>
#include <fnmatch.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
static char *next_input (char **line, int first, int last);
static int convert_flags (const char *str);
static char *flag_output (int flags);
static char *escape (const char *str, size_t *reslenp, char **resbuf);
int
main (void)
{
char *linebuf = NULL;
size_t linebuflen = 0;
int ntests = 0;
int nfailed = 0;
char *escinput = NULL;
size_t escinputlen = 0;
char *escpattern = NULL;
size_t escpatternlen = 0;
int nr = 0;
/* Read lines from stdin with the following format:
locale input-string match-string flags result
where `result' is either 0 or 1. If the first character of a
string is '"' we read until the next '"' and handled escaped '"'. */
while (! feof (stdin))
{
ssize_t n = getline (&linebuf, &linebuflen, stdin);
char *cp;
const char *locale;
const char *input;
const char *pattern;
const char *result_str;
int result;
const char *flags;
int flags_val;
int fnmres;
char numbuf[24];
if (n == -1)
break;
if (n == 0)
/* Maybe an empty line. */
continue;
/* Skip over all leading white spaces. */
cp = linebuf;
locale = next_input (&cp, 1, 0);
if (locale == NULL)
continue;
input = next_input (&cp, 0, 0);
if (input == NULL)
continue;
pattern = next_input (&cp, 0, 0);
if (pattern == NULL)
continue;
result_str = next_input (&cp, 0, 0);
if (result_str == NULL)
continue;
if (strcmp (result_str, "0") == 0)
result = 0;
else if (strcasecmp (result_str, "NOMATCH") == 0)
result = FNM_NOMATCH;
else
{
char *endp;
result = strtol (result_str, &endp, 0);
if (*endp != '\0')
continue;
}
flags = next_input (&cp, 0, 1);
if (flags == NULL)
/* We allow the flags missing. */
flags = "";
/* Convert the text describing the flags in a numeric value. */
flags_val = convert_flags (flags);
if (flags_val == -1)
/* Something went wrong. */
continue;
/* Now run the actual test. */
++ntests;
if (setlocale (LC_COLLATE, locale) == NULL)
{
puts ("*** Cannot set locale");
++nfailed;
continue;
}
fnmres = fnmatch (pattern, input, flags_val);
printf ("%3d: fnmatch (\"%s\", \"%s\", %s) = %s%c",
++nr,
escape (pattern, &escpatternlen, &escpattern),
escape (input, &escinputlen, &escinput),
flag_output (flags_val),
(fnmres == 0
? "0" : (fnmres == FNM_NOMATCH
? "FNM_NOMATCH"
: (sprintf (numbuf, "%d", fnmres), numbuf))),
(fnmres != 0) != (result != 0) ? ' ' : '\n');
if ((fnmres != 0) != (result != 0))
{
printf ("(FAIL, expected %s) ***\n",
result == 0
? "0" : (result == FNM_NOMATCH
? "FNM_NOMATCH"
: (sprintf (numbuf, "%d", result), numbuf)));
++nfailed;
}
}
printf ("=====================\n%3d tests, %3d failed\n", ntests, nfailed);
free (escpattern);
free (escinput);
free (linebuf);
return nfailed != 0;
}
static char *
next_input (char **line, int first, int last)
{
char *cp = *line;
char *result;
while (*cp == ' ' || *cp == '\t')
++cp;
/* We allow comment lines starting with '#'. */
if (first && *cp == '#')
return NULL;
if (*cp == '"')
{
char *wp;
result = ++cp;
wp = cp;
while (*cp != '"' && *cp != '\0' && *cp != '\n')
if (*cp == '\\')
{
if (cp[1] == '\n' || cp[1] == '\0')
return NULL;
++cp;
if (*cp == 't')
*wp++ = '\t';
else if (*cp == 'n')
*wp++ = '\n';
else
*wp++ = *cp;
++cp;
}
else
*wp++ = *cp++;
if (*cp != '"')
return NULL;
if (wp != cp)
*wp = '\0';
}
else
{
result = cp;
while (*cp != '\0' && *cp != '\n' && *cp != ' ' && *cp != '\t')
++cp;
if (cp == result && ! last)
/* Premature end of line. */
return NULL;
}
/* Terminate and skip over the next white spaces. */
*cp++ = '\0';
*line = cp;
return result;
}
static int
convert_flags (const char *str)
{
int result = 0;
while (*str != '\0')
{
int len;
if (strncasecmp (str, "PATHNAME", 8) == 0
&& (str[8] == '|' || str[8] == '\0'))
{
result |= FNM_PATHNAME;
len = 8;
}
else if (strncasecmp (str, "NOESCAPE", 8) == 0
&& (str[8] == '|' || str[8] == '\0'))
{
result |= FNM_NOESCAPE;
len = 8;
}
else if (strncasecmp (str, "PERIOD", 6) == 0
&& (str[6] == '|' || str[6] == '\0'))
{
result |= FNM_PERIOD;
len = 6;
}
else if (strncasecmp (str, "LEADING_DIR", 11) == 0
&& (str[11] == '|' || str[11] == '\0'))
{
result |= FNM_LEADING_DIR;
len = 11;
}
else if (strncasecmp (str, "CASEFOLD", 8) == 0
&& (str[8] == '|' || str[8] == '\0'))
{
result |= FNM_CASEFOLD;
len = 8;
}
else
return -1;
str += len;
if (*str != '\0')
++str;
}
return result;
}
static char *
flag_output (int flags)
{
static char buf[100];
int first = 1;
char *cp = buf;
if (flags & FNM_PATHNAME)
{
cp = stpcpy (cp, "FNM_PATHNAME");
first = 0;
}
if (flags & FNM_NOESCAPE)
{
if (! first)
*cp++ = '|';
cp = stpcpy (cp, "FNM_NOESCAPE");
first = 0;
}
if (flags & FNM_PERIOD)
{
if (! first)
*cp++ = '|';
cp = stpcpy (cp, "FNM_PERIOD");
first = 0;
}
if (flags & FNM_LEADING_DIR)
{
if (! first)
*cp++ = '|';
cp = stpcpy (cp, "FNM_LEADING_DIR");
first = 0;
}
if (flags & FNM_CASEFOLD)
{
if (! first)
*cp++ = '|';
cp = stpcpy (cp, "FNM_CASEFOLD");
first = 0;
}
if (cp == buf)
*cp++ = '0';
*cp = '\0';
return buf;
}
static char *
escape (const char *str, size_t *reslenp, char **resbufp)
{
size_t reslen = *reslenp;
char *resbuf = *resbufp;
size_t len = strlen (str);
char *wp;
if (2 * len + 1 > reslen)
{
resbuf = (char *) realloc (resbuf, 2 * len + 1);
if (resbuf == NULL)
error (EXIT_FAILURE, errno, "while allocating buffer for printing");
*reslenp = 2 * len + 1;
*resbufp = resbuf;
}
wp = resbuf;
while (*str != '\0')
if (*str == '\t')
{
*wp++ = '\\';
*wp++ = 't';
++str;
}
else if (*str == '\n')
{
*wp++ = '\\';
*wp++ = 'n';
++str;
}
else if (*str == '"')
{
*wp++ = '\\';
*wp++ = '"';
++str;
}
else if (*str == '\\')
{
*wp++ = '\\';
*wp++ = '\\';
++str;
}
else
*wp++ = *str++;
*wp = '\0';
return resbuf;
}

286
posix/tst-fnmatch.input Normal file
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@ -0,0 +1,286 @@
# Tests for fnmatch.
# Copyright (C) 2000 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# Contributes by Ulrich Drepper <drepper@redhat.com>.
#
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with the GNU C Library; see the file COPYING.LIB. If
# not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Derived from the IEEE 2003.2 text. The standard only contains some
# wording describing the situations to be tested. It does not specify
# any specific tests. I.e., the tests below are in no case sufficient.
# They are hopefully necessary, though.
# B.6 004(C)
C "!#%+,-./01234567889" "!#%+,-./01234567889" 0
C ":;=@ABCDEFGHIJKLMNO" ":;=@ABCDEFGHIJKLMNO" 0
C "PQRSTUVWXYZ]abcdefg" "PQRSTUVWXYZ]abcdefg" 0
C "hijklmnopqrstuvwxyz" "hijklmnopqrstuvwxyz" 0
C "^_{}~" "^_{}~" 0
# B.6 005(C)
C "\"$&'()" "\\\"\\$\\&\\'\\(\\)" 0
C "*?[\\`|" "\\*\\?\\[\\\\\\`\\|" 0
C "<>" "\\<\\>" 0
# B.6 006(C)
C "?*[" "[?*[][?*[][?*[]" 0
C "a/b" "?/b" 0
# B.6 007(C)
C "a/b" "a?b" 0
C "a/b" "a/?" 0
C "a/b" "a?b" NOMATCH PATHNAME
C "aa/b" "?/b" NOMATCH
C "aa/b" "a?b" NOMATCH
C "a/bb" "a/?" NOMATCH
# B.6 009(C)
C "abc" "[abc]" NOMATCH
C "x" "[abc]" NOMATCH
C "a" "[abc]" 0
C "[" "[[abc]" 0
C "a" "[][abc]" 0
C "a]" "[]a]]" 0
# B.6 010(C)
C "xyz" "[!abc]" NOMATCH
C "x" "[!abc]" 0
C "a" "[!abc]" NOMATCH
# B.6 011(C)
C "]" "[][abc]" 0
C "abc]" "[][abc]" NOMATCH
C "[]abc" "[][]abc" NOMATCH
C "]" "[!]]" NOMATCH
C "aa]" "[!]a]" NOMATCH
C "]" "[!a]" 0
C "]]" "[!a]]" 0
# B.6 012(C)
# *** implement [. .]
# B.6 013(C)
# *** implement [. .]
# B.6 014(C)
# *** implement [. .]
# B.6 015(C)
# *** implement [= =]
# B.6 016(C)
# *** implement [= =]
# B.6 017(C)
C "a" "[[:alnum:]]" 0
C "a" "[![:alnum:]]" NOMATCH
C "-" "[[:alnum:]]" NOMATCH
C "a]a" "[[:alnum:]]a" NOMATCH
C "-" "[[:alnum:]-]" 0
C "aa" "[[:alnum:]]a" 0
C "-" "[![:alnum:]]" 0
C "]" "[!][:alnum:]]" NOMATCH
C "[" "[![:alnum:][]" NOMATCH
C "a" "[[:alnum:]]" 0
C "b" "[[:alnum:]]" 0
C "c" "[[:alnum:]]" 0
C "d" "[[:alnum:]]" 0
C "e" "[[:alnum:]]" 0
C "f" "[[:alnum:]]" 0
C "g" "[[:alnum:]]" 0
C "h" "[[:alnum:]]" 0
C "i" "[[:alnum:]]" 0
C "j" "[[:alnum:]]" 0
C "k" "[[:alnum:]]" 0
C "l" "[[:alnum:]]" 0
C "m" "[[:alnum:]]" 0
C "n" "[[:alnum:]]" 0
C "o" "[[:alnum:]]" 0
C "p" "[[:alnum:]]" 0
C "q" "[[:alnum:]]" 0
C "r" "[[:alnum:]]" 0
C "s" "[[:alnum:]]" 0
C "t" "[[:alnum:]]" 0
C "u" "[[:alnum:]]" 0
C "v" "[[:alnum:]]" 0
C "w" "[[:alnum:]]" 0
C "x" "[[:alnum:]]" 0
C "y" "[[:alnum:]]" 0
C "z" "[[:alnum:]]" 0
C "A" "[[:alnum:]]" 0
C "B" "[[:alnum:]]" 0
C "C" "[[:alnum:]]" 0
C "D" "[[:alnum:]]" 0
C "E" "[[:alnum:]]" 0
C "F" "[[:alnum:]]" 0
C "G" "[[:alnum:]]" 0
C "H" "[[:alnum:]]" 0
C "I" "[[:alnum:]]" 0
C "J" "[[:alnum:]]" 0
C "K" "[[:alnum:]]" 0
C "L" "[[:alnum:]]" 0
C "M" "[[:alnum:]]" 0
C "N" "[[:alnum:]]" 0
C "O" "[[:alnum:]]" 0
C "P" "[[:alnum:]]" 0
C "Q" "[[:alnum:]]" 0
C "R" "[[:alnum:]]" 0
C "S" "[[:alnum:]]" 0
C "T" "[[:alnum:]]" 0
C "U" "[[:alnum:]]" 0
C "V" "[[:alnum:]]" 0
C "W" "[[:alnum:]]" 0
C "X" "[[:alnum:]]" 0
C "Y" "[[:alnum:]]" 0
C "Z" "[[:alnum:]]" 0
C "0" "[[:alnum:]]" 0
C "1" "[[:alnum:]]" 0
C "2" "[[:alnum:]]" 0
C "3" "[[:alnum:]]" 0
C "4" "[[:alnum:]]" 0
C "5" "[[:alnum:]]" 0
C "6" "[[:alnum:]]" 0
C "7" "[[:alnum:]]" 0
C "8" "[[:alnum:]]" 0
C "9" "[[:alnum:]]" 0
C "!" "[[:alnum:]]" NOMATCH
C "#" "[[:alnum:]]" NOMATCH
C "%" "[[:alnum:]]" NOMATCH
C "+" "[[:alnum:]]" NOMATCH
C "," "[[:alnum:]]" NOMATCH
C "-" "[[:alnum:]]" NOMATCH
C "." "[[:alnum:]]" NOMATCH
C "/" "[[:alnum:]]" NOMATCH
C ":" "[[:alnum:]]" NOMATCH
C ";" "[[:alnum:]]" NOMATCH
C "=" "[[:alnum:]]" NOMATCH
C "@" "[[:alnum:]]" NOMATCH
C "[" "[[:alnum:]]" NOMATCH
C "\\" "[[:alnum:]]" NOMATCH
C "]" "[[:alnum:]]" NOMATCH
C "^" "[[:alnum:]]" NOMATCH
C "_" "[[:alnum:]]" NOMATCH
C "{" "[[:alnum:]]" NOMATCH
C "}" "[[:alnum:]]" NOMATCH
C "~" "[[:alnum:]]" NOMATCH
C "\"" "[[:alnum:]]" NOMATCH
C "$" "[[:alnum:]]" NOMATCH
C "&" "[[:alnum:]]" NOMATCH
C "'" "[[:alnum:]]" NOMATCH
C "(" "[[:alnum:]]" NOMATCH
C ")" "[[:alnum:]]" NOMATCH
C "*" "[[:alnum:]]" NOMATCH
C "?" "[[:alnum:]]" NOMATCH
C "`" "[[:alnum:]]" NOMATCH
C "|" "[[:alnum:]]" NOMATCH
C "<" "[[:alnum:]]" NOMATCH
C ">" "[[:alnum:]]" NOMATCH
C "\t" "[[:cntrl:]]" 0
C "t" "[[:cntrl:]]" NOMATCH
C "t" "[[:lower:]]" 0
C "\t" "[[:lower:]]" NOMATCH
C "T" "[[:lower:]]" NOMATCH
C "\t" "[[:space:]]" 0
C "t" "[[:space:]]" NOMATCH
C "t" "[[:alpha:]]" 0
C "\t" "[[:alpha:]]" NOMATCH
C "0" "[[:digit:]]" 0
C "\t" "[[:digit:]]" NOMATCH
C "t" "[[:digit:]]" NOMATCH
C "\t" "[[:print:]]" NOMATCH
C "t" "[[:print:]]" 0
C "T" "[[:upper:]]" 0
C "\t" "[[:upper:]]" NOMATCH
C "t" "[[:upper:]]" NOMATCH
C "\t" "[[:blank:]]" 0
C "t" "[[:blank:]]" NOMATCH
C "\t" "[[:graph:]]" NOMATCH
C "t" "[[:graph:]]" 0
C "." "[[:punct:]]" 0
C "t" "[[:punct:]]" NOMATCH
C "\t" "[[:punct:]]" NOMATCH
C "0" "[[:xdigit:]]" 0
C "\t" "[[:xdigit:]]" NOMATCH
C "a" "[[:xdigit:]]" 0
C "A" "[[:xdigit:]]" 0
C "t" "[[:xdigit:]]" NOMATCH
C "a" "[[alpha]]" NOMATCH
C "a" "[[alpha:]]" NOMATCH
C "a]" "[[alpha]]" 0
C "a]" "[[alpha:]]" 0
# B.6 018(C)
C "a" "[a-c]" 0
C "b" "[a-c]" 0
C "c" "[a-c]" 0
C "a" "[b-c]" NOMATCH
C "d" "[b-c]" NOMATCH
C "B" "[a-c]" NOMATCH
C "b" "[A-C]" NOMATCH
C "" "[a-c]" NOMATCH
C "as" "[a-ca-z]" NOMATCH
# B.6 019(C)
C "b" "[c-a]" NOMATCH
# B.6 020(C)
C "a" "[a-c0-9]" 0
C "d" "[a-c0-9]" NOMATCH
C "B" "[a-c0-9]" NOMATCH
# B.6 021(C)
C "-" "[-a]" 0
C "a" "[-b]" NOMATCH
C "-" "[!-a]" NOMATCH
C "a" "[!-b]" 0
C "-" "[a-c-0-9]" 0
C "b" "[a-c-0-9]" 0
C "a:" "a[0-9-a]" NOMATCH
C "a:" "a[09-a]" 0
# B.6 024(C)
C "" "*" 0
C "asd/sdf" "*" 0
# B.6 025(C)
C "as" "[a-c][a-z]" 0
C "as" "??" 0
# B.6 026(C)
C "asd/sdf" "as*df" 0
C "asd/sdf" "as*" 0
C "asd/sdf" "*df" 0
C "asd/sdf" "as*dg" NOMATCH
C "asdf" "as*df" 0
C "asdf" "as*df?" NOMATCH
C "asdf" "as*??" 0
C "asdf" "a*???" 0
C "asdf" "*????" 0
C "asdf" "????*" 0
C "asdf" "??*?" 0
# B.6 027(C)
C "/" "/" 0
C "/" "/*" 0
C "/" "*/" 0
C "/" "/?" NOMATCH
C "/" "?/" NOMATCH
C "/" "?" 0
C "." "?" 0
C "/." "??" 0
C "/" "[!a-c]" 0
C "." "[!a-c]" 0