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glibc/posix/bug-regex19.c
Paul Eggert 5a82c74822 Prefer https to http for gnu.org and fsf.org URLs 
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:

sed -ri '
  s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
  s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
  $(find $(git ls-files) -prune -type f \
      ! -name '*.po' \
      ! -name 'ChangeLog*' \
      ! -path COPYING ! -path COPYING.LIB \
      ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
      ! -path manual/texinfo.tex ! -path scripts/config.guess \
      ! -path scripts/config.sub ! -path scripts/install-sh \
      ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
      ! -path INSTALL ! -path  locale/programs/charmap-kw.h \
      ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
      ! '(' -name configure \
            -execdir test -f configure.ac -o -f configure.in ';' ')' \
      ! '(' -name preconfigure \
            -execdir test -f preconfigure.ac ';' ')' \
      -print)

and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:

  chmod a+x sysdeps/unix/sysv/linux/riscv/configure
  # Omit irrelevant whitespace and comment-only changes,
  # perhaps from a slightly-different Autoconf version.
  git checkout -f \
    sysdeps/csky/configure \
    sysdeps/hppa/configure \
    sysdeps/riscv/configure \
    sysdeps/unix/sysv/linux/csky/configure
  # Omit changes that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
  git checkout -f \
    sysdeps/powerpc/powerpc64/ppc-mcount.S \
    sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
  # Omit change that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
  git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 02:43:31 -07:00

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/* Regular expression tests.
Copyright (C) 2003-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <sys/types.h>
#include <mcheck.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
#define BRE RE_SYNTAX_POSIX_BASIC
#define ERE RE_SYNTAX_POSIX_EXTENDED
static struct test_s
{
int syntax;
const char *pattern;
const char *string;
int start, res;
} tests[] = {
{BRE, "\\<A", "CBAA", 0, -1},
{BRE, "\\<A", "CBAA", 2, -1},
{BRE, "A\\>", "CAAB", 1, -1},
{BRE, "\\bA", "CBAA", 0, -1},
{BRE, "\\bA", "CBAA", 2, -1},
{BRE, "A\\b", "CAAB", 1, -1},
{BRE, "\\<A", "AA", 0, 0},
{BRE, "\\<A", "C-AA", 2, 2},
{BRE, "A\\>", "CAA-", 1, 2},
{BRE, "A\\>", "CAA", 1, 2},
{BRE, "\\bA", "AA", 0, 0},
{BRE, "\\bA", "C-AA", 2, 2},
{BRE, "A\\b", "CAA-", 1, 2},
{BRE, "A\\b", "CAA", 1, 2},
{BRE, "\\<[A]", "CBAA", 0, -1},
{BRE, "\\<[A]", "CBAA", 2, -1},
{BRE, "[A]\\>", "CAAB", 1, -1},
{BRE, "\\b[A]", "CBAA", 0, -1},
{BRE, "\\b[A]", "CBAA", 2, -1},
{BRE, "[A]\\b", "CAAB", 1, -1},
{BRE, "\\<[A]", "AA", 0, 0},
{BRE, "\\<[A]", "C-AA", 2, 2},
{BRE, "[A]\\>", "CAA-", 1, 2},
{BRE, "[A]\\>", "CAA", 1, 2},
{BRE, "\\b[A]", "AA", 0, 0},
{BRE, "\\b[A]", "C-AA", 2, 2},
{BRE, "[A]\\b", "CAA-", 1, 2},
{BRE, "[A]\\b", "CAA", 1, 2},
{ERE, "\\b(A|!|.B)", "A=AC", 0, 0},
{ERE, "\\b(A|!|.B)", "=AC", 0, 1},
{ERE, "\\b(A|!|.B)", "!AC", 0, 1},
{ERE, "\\b(A|!|.B)", "=AB", 0, 1},
{ERE, "\\b(A|!|.B)", "DA!C", 0, 2},
{ERE, "\\b(A|!|.B)", "=CB", 0, 1},
{ERE, "\\b(A|!|.B)", "!CB", 0, 1},
{ERE, "\\b(A|!|.B)", "D,B", 0, 1},
{ERE, "\\b(A|!|.B)", "!.C", 0, -1},
{ERE, "\\b(A|!|.B)", "BCB", 0, -1},
{ERE, "(A|\\b)(A|B|C)", "DAAD", 0, 1},
{ERE, "(A|\\b)(A|B|C)", "DABD", 0, 1},
{ERE, "(A|\\b)(A|B|C)", "AD", 0, 0},
{ERE, "(A|\\b)(A|B|C)", "C!", 0, 0},
{ERE, "(A|\\b)(A|B|C)", "D,B", 0, 2},
{ERE, "(A|\\b)(A|B|C)", "DA?A", 0, 3},
{ERE, "(A|\\b)(A|B|C)", "BBC", 0, 0},
{ERE, "(A|\\b)(A|B|C)", "DA", 0, -1},
{ERE, "(!|\\b)(!|=|~)", "A!=\\", 0, 1},
{ERE, "(!|\\b)(!|=|~)", "/!=A", 0, 1},
{ERE, "(!|\\b)(!|=|~)", "A=A", 0, 1},
{ERE, "(!|\\b)(!|=|~)", "==!=", 0, 2},
{ERE, "(!|\\b)(!|=|~)", "==C~", 0, 3},
{ERE, "(!|\\b)(!|=|~)", "=~=", 0, -1},
{ERE, "(!|\\b)(!|=|~)", "~!", 0, -1},
{ERE, "(!|\\b)(!|=|~)", "~=~", 0, -1},
{ERE, "(\\b|A.)[ABC]", "AC", 0, 0},
{ERE, "(\\b|A.)[ABC]", "=A", 0, 1},
{ERE, "(\\b|A.)[ABC]", "DACC", 0, 1},
{ERE, "(\\b|A.)[A~C]", "AC", 0, 0},
{ERE, "(\\b|A.)[A~C]", "=A", 0, 1},
{ERE, "(\\b|A.)[A~C]", "DACC", 0, 1},
{ERE, "(\\b|A.)[A~C]", "B!A=", 0, 2},
{ERE, "(\\b|A.)[A~C]", "B~C", 0, 1},
{ERE, ".\\b.", "AA~", 0, 1},
{ERE, ".\\b.", "=A=", 0, 0},
{ERE, ".\\b.", "==", 0, -1},
{ERE, ".\\b.", "ABA", 0, -1},
{ERE, "[^k]\\b[^k]", "AA~", 0, 1},
{ERE, "[^k]\\b[^k]", "=A=", 0, 0},
{ERE, "[^k]\\b[^k]", "Ak~kA~", 0, 4},
{ERE, "[^k]\\b[^k]", "==", 0, -1},
{ERE, "[^k]\\b[^k]", "ABA", 0, -1},
{ERE, "[^k]\\b[^k]", "Ak~", 0, -1},
{ERE, "[^k]\\b[^k]", "k=k", 0, -1},
{ERE, "[^C]\\b[^C]", "AA~", 0, 1},
{ERE, "[^C]\\b[^C]", "=A=", 0, 0},
{ERE, "[^C]\\b[^C]", "AC~CA~", 0, 4},
{ERE, "[^C]\\b[^C]", "==", 0, -1},
{ERE, "[^C]\\b[^C]", "ABA", 0, -1},
{ERE, "[^C]\\b[^C]", "AC~", 0, -1},
{ERE, "[^C]\\b[^C]", "C=C", 0, -1},
{ERE, "\\<(A|!|.B)", "A=AC", 0, 0},
{ERE, "\\<(A|!|.B)", "=AC", 0, 1},
{ERE, "\\<(A|!|.B)", "!AC", 0, 1},
{ERE, "\\<(A|!|.B)", "=AB", 0, 1},
{ERE, "\\<(A|!|.B)", "=CB", 0, 1},
{ERE, "\\<(A|!|.B)", "!CB", 0, 1},
{ERE, "\\<(A|!|.B)", "DA!C", 0, -1},
{ERE, "\\<(A|!|.B)", "D,B", 0, -1},
{ERE, "\\<(A|!|.B)", "!.C", 0, -1},
{ERE, "\\<(A|!|.B)", "BCB", 0, -1},
{ERE, "(A|\\<)(A|B|C)", "DAAD", 0, 1},
{ERE, "(A|\\<)(A|B|C)", "DABD", 0, 1},
{ERE, "(A|\\<)(A|B|C)", "AD", 0, 0},
{ERE, "(A|\\<)(A|B|C)", "C!", 0, 0},
{ERE, "(A|\\<)(A|B|C)", "D,B", 0, 2},
{ERE, "(A|\\<)(A|B|C)", "DA?A", 0, 3},
{ERE, "(A|\\<)(A|B|C)", "BBC", 0, 0},
{ERE, "(A|\\<)(A|B|C)", "DA", 0, -1},
{ERE, "(!|\\<)(!|=|~)", "A!=\\", 0, 1},
{ERE, "(!|\\<)(!|=|~)", "/!=A", 0, 1},
{ERE, "(!|\\<)(!|=|~)", "==!=", 0, 2},
{ERE, "(!|\\<)(!|=|~)", "==C~", 0, -1},
{ERE, "(!|\\<)(!|=|~)", "A=A", 0, -1},
{ERE, "(!|\\<)(!|=|~)", "=~=", 0, -1},
{ERE, "(!|\\<)(!|=|~)", "~!", 0, -1},
{ERE, "(!|\\<)(!|=|~)", "~=~", 0, -1},
{ERE, "(\\<|A.)[ABC]", "AC", 0, 0},
{ERE, "(\\<|A.)[ABC]", "=A", 0, 1},
{ERE, "(\\<|A.)[ABC]", "DACC", 0, 1},
{ERE, "(\\<|A.)[A~C]", "AC", 0, 0},
{ERE, "(\\<|A.)[A~C]", "=A", 0, 1},
{ERE, "(\\<|A.)[A~C]", "DACC", 0, 1},
{ERE, "(\\<|A.)[A~C]", "B!A=", 0, 2},
{ERE, "(\\<|A.)[A~C]", "B~C", 0, 2},
{ERE, ".\\<.", "=A=", 0, 0},
{ERE, ".\\<.", "AA~", 0, -1},
{ERE, ".\\<.", "==", 0, -1},
{ERE, ".\\<.", "ABA", 0, -1},
{ERE, "[^k]\\<[^k]", "=k=A=", 0, 2},
{ERE, "[^k]\\<[^k]", "kk~", 0, -1},
{ERE, "[^k]\\<[^k]", "==", 0, -1},
{ERE, "[^k]\\<[^k]", "ABA", 0, -1},
{ERE, "[^k]\\<[^k]", "=k=", 0, -1},
{ERE, "[^C]\\<[^C]", "=C=A=", 0, 2},
{ERE, "[^C]\\<[^C]", "CC~", 0, -1},
{ERE, "[^C]\\<[^C]", "==", 0, -1},
{ERE, "[^C]\\<[^C]", "ABA", 0, -1},
{ERE, "[^C]\\<[^C]", "=C=", 0, -1},
{ERE, ".\\B.", "ABA", 0, 0},
{ERE, ".\\B.", "=BDC", 0, 1},
{ERE, "[^k]\\B[^k]", "kkkABA", 0, 3},
{ERE, "[^k]\\B[^k]", "kBk", 0, -1},
{ERE, "[^C]\\B[^C]", "CCCABA", 0, 3},
{ERE, "[^C]\\B[^C]", "CBC", 0, -1},
{ERE, ".(\\b|\\B).", "=~AB", 0, 0},
{ERE, ".(\\b|\\B).", "A=C", 0, 0},
{ERE, ".(\\b|\\B).", "ABC", 0, 0},
{ERE, ".(\\b|\\B).", "=~\\!", 0, 0},
{ERE, "[^k](\\b|\\B)[^k]", "=~AB", 0, 0},
{ERE, "[^k](\\b|\\B)[^k]", "A=C", 0, 0},
{ERE, "[^k](\\b|\\B)[^k]", "ABC", 0, 0},
{ERE, "[^k](\\b|\\B)[^k]", "=~kBD", 0, 0},
{ERE, "[^k](\\b|\\B)[^k]", "=~\\!", 0, 0},
{ERE, "[^k](\\b|\\B)[^k]", "=~kB", 0, 0},
{ERE, "[^C](\\b|\\B)[^C]", "=~AB", 0, 0},
{ERE, "[^C](\\b|\\B)[^C]", "A=C", 0, 0},
{ERE, "[^C](\\b|\\B)[^C]", "ABC", 0, 0},
{ERE, "[^C](\\b|\\B)[^C]", "=~CBD", 0, 0},
{ERE, "[^C](\\b|\\B)[^C]", "=~\\!", 0, 0},
{ERE, "[^C](\\b|\\B)[^C]", "=~CB", 0, 0},
{ERE, "\\b([A]|[!]|.B)", "A=AC", 0, 0},
{ERE, "\\b([A]|[!]|.B)", "=AC", 0, 1},
{ERE, "\\b([A]|[!]|.B)", "!AC", 0, 1},
{ERE, "\\b([A]|[!]|.B)", "=AB", 0, 1},
{ERE, "\\b([A]|[!]|.B)", "DA!C", 0, 2},
{ERE, "\\b([A]|[!]|.B)", "=CB", 0, 1},
{ERE, "\\b([A]|[!]|.B)", "!CB", 0, 1},
{ERE, "\\b([A]|[!]|.B)", "D,B", 0, 1},
{ERE, "\\b([A]|[!]|.B)", "!.C", 0, -1},
{ERE, "\\b([A]|[!]|.B)", "BCB", 0, -1},
{ERE, "([A]|\\b)([A]|[B]|[C])", "DAAD", 0, 1},
{ERE, "([A]|\\b)([A]|[B]|[C])", "DABD", 0, 1},
{ERE, "([A]|\\b)([A]|[B]|[C])", "AD", 0, 0},
{ERE, "([A]|\\b)([A]|[B]|[C])", "C!", 0, 0},
{ERE, "([A]|\\b)([A]|[B]|[C])", "D,B", 0, 2},
{ERE, "([A]|\\b)([A]|[B]|[C])", "DA?A", 0, 3},
{ERE, "([A]|\\b)([A]|[B]|[C])", "BBC", 0, 0},
{ERE, "([A]|\\b)([A]|[B]|[C])", "DA", 0, -1},
{ERE, "([!]|\\b)([!]|[=]|[~])", "A!=\\", 0, 1},
{ERE, "([!]|\\b)([!]|[=]|[~])", "/!=A", 0, 1},
{ERE, "([!]|\\b)([!]|[=]|[~])", "A=A", 0, 1},
{ERE, "([!]|\\b)([!]|[=]|[~])", "==!=", 0, 2},
{ERE, "([!]|\\b)([!]|[=]|[~])", "==C~", 0, 3},
{ERE, "([!]|\\b)([!]|[=]|[~])", "=~=", 0, -1},
{ERE, "([!]|\\b)([!]|[=]|[~])", "~!", 0, -1},
{ERE, "([!]|\\b)([!]|[=]|[~])", "~=~", 0, -1},
{ERE, "\\<([A]|[!]|.B)", "A=AC", 0, 0},
{ERE, "\\<([A]|[!]|.B)", "=AC", 0, 1},
{ERE, "\\<([A]|[!]|.B)", "!AC", 0, 1},
{ERE, "\\<([A]|[!]|.B)", "=AB", 0, 1},
{ERE, "\\<([A]|[!]|.B)", "=CB", 0, 1},
{ERE, "\\<([A]|[!]|.B)", "!CB", 0, 1},
{ERE, "\\<([A]|[!]|.B)", "DA!C", 0, -1},
{ERE, "\\<([A]|[!]|.B)", "D,B", 0, -1},
{ERE, "\\<([A]|[!]|.B)", "!.C", 0, -1},
{ERE, "\\<([A]|[!]|.B)", "BCB", 0, -1},
{ERE, "([A]|\\<)([A]|[B]|[C])", "DAAD", 0, 1},
{ERE, "([A]|\\<)([A]|[B]|[C])", "DABD", 0, 1},
{ERE, "([A]|\\<)([A]|[B]|[C])", "AD", 0, 0},
{ERE, "([A]|\\<)([A]|[B]|[C])", "C!", 0, 0},
{ERE, "([A]|\\<)([A]|[B]|[C])", "D,B", 0, 2},
{ERE, "([A]|\\<)([A]|[B]|[C])", "DA?A", 0, 3},
{ERE, "([A]|\\<)([A]|[B]|[C])", "BBC", 0, 0},
{ERE, "([A]|\\<)([A]|[B]|[C])", "DA", 0, -1},
{ERE, "([!]|\\<)([!=]|[~])", "A!=\\", 0, 1},
{ERE, "([!]|\\<)([!=]|[~])", "/!=A", 0, 1},
{ERE, "([!]|\\<)([!=]|[~])", "==!=", 0, 2},
{ERE, "([!]|\\<)([!=]|[~])", "==C~", 0, -1},
{ERE, "([!]|\\<)([!=]|[~])", "A=A", 0, -1},
{ERE, "([!]|\\<)([!=]|[~])", "=~=", 0, -1},
{ERE, "([!]|\\<)([!=]|[~])", "~!", 0, -1},
{ERE, "([!]|\\<)([!=]|[~])", "~=~", 0, -1},
{ERE, "(\\<|[A].)[ABC]", "AC", 0, 0},
{ERE, "(\\<|[A].)[ABC]", "=A", 0, 1},
{ERE, "(\\<|[A].)[ABC]", "DACC", 0, 1},
{ERE, "(\\<|[A].)[A~C]", "AC", 0, 0},
{ERE, "(\\<|[A].)[A~C]", "=A", 0, 1},
{ERE, "(\\<|[A].)[A~C]", "DACC", 0, 1},
{ERE, "(\\<|[A].)[A~C]", "B!A=", 0, 2},
{ERE, "(\\<|[A].)[A~C]", "B~C", 0, 2},
{ERE, "^[^A]*\\bB", "==B", 0, 0},
{ERE, "^[^A]*\\bB", "CBD!=B", 0, 0},
{ERE, "[^A]*\\bB", "==B", 2, 2}
};
int
do_one_test (const struct test_s *test, const char *fail)
{
int res;
const char *err;
struct re_pattern_buffer regbuf;
re_set_syntax (test->syntax);
memset (&regbuf, '\0', sizeof (regbuf));
err = re_compile_pattern (test->pattern, strlen (test->pattern),
&regbuf);
if (err != NULL)
{
printf ("%sre_compile_pattern \"%s\" failed: %s\n", fail, test->pattern,
err);
return 1;
}
res = re_search (&regbuf, test->string, strlen (test->string),
test->start, strlen (test->string) - test->start, NULL);
if (res != test->res)
{
printf ("%sre_search \"%s\" \"%s\" failed: %d (expected %d)\n",
fail, test->pattern, test->string, res, test->res);
regfree (&regbuf);
return 1;
}
if (test->res > 0 && test->start == 0)
{
res = re_search (&regbuf, test->string, strlen (test->string),
test->res, strlen (test->string) - test->res, NULL);
if (res != test->res)
{
printf ("%sre_search from expected \"%s\" \"%s\" failed: %d (expected %d)\n",
fail, test->pattern, test->string, res, test->res);
regfree (&regbuf);
return 1;
}
}
regfree (&regbuf);
return 0;
}
static char *
replace (char *p, char c)
{
switch (c)
{
/* A -> A" */
case 'A': *p++ = '\xc3'; *p++ = '\x84'; break;
/* B -> O" */
case 'B': *p++ = '\xc3'; *p++ = '\x96'; break;
/* C -> U" */
case 'C': *p++ = '\xc3'; *p++ = '\x9c'; break;
/* D -> a" */
case 'D': *p++ = '\xc3'; *p++ = '\xa4'; break;
/* ! -> MULTIPLICATION SIGN */
case '!': *p++ = '\xc3'; *p++ = '\x97'; break;
/* = -> EM DASH */
case '=': *p++ = '\xe2'; *p++ = '\x80'; *p++ = '\x94'; break;
/* ~ -> MUSICAL SYMBOL HALF NOTE */
case '~': *p++ = '\xf0'; *p++ = '\x9d'; *p++ = '\x85'; *p++ = '\x9e';
break;
}
return p;
}
int
do_mb_tests (const struct test_s *test)
{
int i, j;
struct test_s t;
const char *const chars = "ABCD!=~";
char repl[8], *p;
char pattern[strlen (test->pattern) * 4 + 1];
char string[strlen (test->string) * 4 + 1];
char fail[8 + sizeof ("UTF-8 ")];
t = *test;
t.pattern = pattern;
t.string = string;
strcpy (fail, "UTF-8 ");
for (i = 1; i < 128; ++i)
{
p = repl;
for (j = 0; j < 7; ++j)
if (i & (1 << j))
{
if (!strchr (test->pattern, chars[j])
&& !strchr (test->string, chars[j]))
break;
*p++ = chars[j];
}
if (j < 7)
continue;
*p = '\0';
for (j = 0, p = pattern; test->pattern[j]; ++j)
if (strchr (repl, test->pattern[j]))
p = replace (p, test->pattern[j]);
else if (test->pattern[j] == '\\' && test->pattern[j + 1])
{
*p++ = test->pattern[j++];
*p++ = test->pattern[j];
}
else
*p++ = test->pattern[j];
*p = '\0';
t.start = test->start;
t.res = test->res;
for (j = 0, p = string; test->string[j]; ++j)
if (strchr (repl, test->string[j]))
{
char *d = replace (p, test->string[j]);
if (test->start > j)
t.start += d - p - 1;
if (test->res > j)
t.res += d - p - 1;
p = d;
}
else
*p++ = test->string[j];
*p = '\0';
p = stpcpy (fail + strlen ("UTF-8 "), repl);
*p++ = ' ';
*p = '\0';
if (do_one_test (&t, fail))
return 1;
}
return 0;
}
int
main (void)
{
size_t i;
int ret = 0;
mtrace ();
for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
{
if (setlocale (LC_ALL, "de_DE.ISO-8859-1") == NULL)
{
puts ("setlocale de_DE.ISO-8859-1 failed");
ret = 1;
}
ret |= do_one_test (&tests[i], "");
if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
{
puts ("setlocale de_DE.UTF-8 failed");
ret = 1;
}
ret |= do_one_test (&tests[i], "UTF-8 ");
ret |= do_mb_tests (&tests[i]);
}
return ret;
}
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