Prepare for radical source tree reorganization. zack/build-layout-experiment

All top-level files and directories are moved into a temporary storage
directory, REORG.TODO, except for files that will certainly still
exist in their current form at top level when we're done (COPYING,
COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which
are moved to the new directory OldChangeLogs, instead), and the
generated file INSTALL (which is just deleted; in the new order, there
will be no generated files checked into version control).

1 files changed, 561 insertions, 0 deletions

diff --git a/REORG.TODO/posix/tst-rxspencer.c b/REORG.TODO/posix/tst-rxspencer.c
new file mode 100644
index 0000000000..f9e8eeb0fa
--- /dev/null
+++ b/REORG.TODO/posix/tst-rxspencer.c
@@ -0,0 +1,561 @@
+/* Regular expression tests.
+   Copyright (C) 2003-2017 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
+   <http://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>
+#include <getopt.h>
+
+static void
+replace_special_chars (char *str)
+{
+  for (; (str = strpbrk (str, "NTSZ")) != NULL; ++str)
+    switch (*str)
+      {
+      case 'N': *str = '\n'; break;
+      case 'T': *str = '\t'; break;
+      case 'S': *str = ' '; break;
+      case 'Z': *str = '\0'; break;
+      }
+}
+
+static void
+glibc_re_syntax (char *str)
+{
+  char *p, *end = strchr (str, '\0') + 1;
+
+  /* Replace [[:<:]] with \< and [[:>:]] with \>.  */
+  for (p = str; (p = strstr (p, "[[:")) != NULL; )
+    if ((p[3] == '<' || p[3] == '>') && strncmp (p + 4, ":]]", 3) == 0)
+      {
+        p[0] = '\\';
+        p[1] = p[3];
+        memmove (p + 2, p + 7, end - p - 7);
+        end -= 5;
+        p += 2;
+      }
+    else
+      p += 3;
+}
+
+static char *
+mb_replace (char *dst, const char c)
+{
+  switch (c)
+    {
+    /* Replace a with \'a and A with \'A.  */
+    case 'a':
+      *dst++ = '\xc3';
+      *dst++ = '\xa1';
+      break;
+    case 'A':
+      *dst++ = '\xc3';
+      *dst++ = '\x81';
+      break;
+    /* Replace b with \v{c} and B with \v{C}.  */
+    case 'b':
+      *dst++ = '\xc4';
+      *dst++ = '\x8d';
+      break;
+    case 'B':
+      *dst++ = '\xc4';
+      *dst++ = '\x8c';
+      break;
+    /* Replace c with \v{d} and C with \v{D}.  */
+    case 'c':
+      *dst++ = '\xc4';
+      *dst++ = '\x8f';
+      break;
+    case 'C':
+      *dst++ = '\xc4';
+      *dst++ = '\x8e';
+      break;
+    /* Replace d with \'e and D with \'E.  */
+    case 'd':
+      *dst++ = '\xc3';
+      *dst++ = '\xa9';
+      break;
+    case 'D':
+      *dst++ = '\xc3';
+      *dst++ = '\x89';
+      break;
+    }
+  return dst;
+}
+
+static char *
+mb_frob_string (const char *str, const char *letters)
+{
+  char *ret, *dst;
+  const char *src;
+
+  if (str == NULL)
+    return NULL;
+
+  ret = malloc (2 * strlen (str) + 1);
+  if (ret == NULL)
+    return NULL;
+
+  for (src = str, dst = ret; *src; ++src)
+    if (strchr (letters, *src))
+      dst = mb_replace (dst, *src);
+    else
+      *dst++ = *src;
+  *dst = '\0';
+  return ret;
+}
+
+/* Like mb_frob_string, but don't replace anything between
+   [: and :], [. and .] or [= and =] or characters escaped
+   with a backslash.  */
+
+static char *
+mb_frob_pattern (const char *str, const char *letters)
+{
+  char *ret, *dst;
+  const char *src;
+  int in_class = 0, escaped = 0;
+
+  if (str == NULL)
+    return NULL;
+
+  ret = malloc (2 * strlen (str) + 1);
+  if (ret == NULL)
+    return NULL;
+
+  for (src = str, dst = ret; *src; ++src)
+    if (*src == '\\')
+      {
+	escaped ^= 1;
+	*dst++ = *src;
+      }
+    else if (escaped)
+      {
+	escaped = 0;
+	*dst++ = *src;
+	continue;
+      }
+    else if (!in_class && strchr (letters, *src))
+      dst = mb_replace (dst, *src);
+    else
+      {
+	if (!in_class && *src == '[' && strchr (":.=", src[1]))
+	  in_class = 1;
+	else if (in_class && *src == ']' && strchr (":.=", src[-1]))
+	  in_class = 0;
+	*dst++ = *src;
+      }
+  *dst = '\0';
+  return ret;
+}
+
+static int
+check_match (regmatch_t *rm, int idx, const char *string,
+	     const char *match, const char *fail)
+{
+  if (match[0] == '-' && match[1] == '\0')
+    {
+      if (rm[idx].rm_so == -1 && rm[idx].rm_eo == -1)
+	return 0;
+      printf ("%s rm[%d] unexpectedly matched\n", fail, idx);
+      return 1;
+    }
+
+  if (rm[idx].rm_so == -1 || rm[idx].rm_eo == -1)
+    {
+      printf ("%s rm[%d] unexpectedly did not match\n", fail, idx);
+      return 1;
+    }
+
+  if (match[0] == '@')
+    {
+      if (rm[idx].rm_so != rm[idx].rm_eo)
+	{
+	  printf ("%s rm[%d] not empty\n", fail, idx);
+	  return 1;
+	}
+
+      if (strncmp (string + rm[idx].rm_so, match + 1, strlen (match + 1) ?: 1))
+	{
+	  printf ("%s rm[%d] not matching %s\n", fail, idx, match);
+	  return 1;
+	}
+      return 0;
+    }
+
+  if (rm[idx].rm_eo - rm[idx].rm_so != strlen (match)
+      || strncmp (string + rm[idx].rm_so, match,
+		  rm[idx].rm_eo - rm[idx].rm_so))
+    {
+      printf ("%s rm[%d] not matching %s\n", fail, idx, match);
+      return 1;
+    }
+
+  return 0;
+}
+
+static int
+test (const char *pattern, int cflags, const char *string, int eflags,
+      char *expect, char *matches, const char *fail)
+{
+  regex_t re;
+  regmatch_t rm[10];
+  int n, ret = 0;
+
+  n = regcomp (&re, pattern, cflags);
+  if (n != 0)
+    {
+      char buf[500];
+      if (eflags == -1)
+	{
+	  static struct { reg_errcode_t code; const char *name; } codes []
+#define C(x) { REG_##x, #x }
+	    = { C(NOERROR), C(NOMATCH), C(BADPAT), C(ECOLLATE),
+		C(ECTYPE), C(EESCAPE), C(ESUBREG), C(EBRACK),
+		C(EPAREN), C(EBRACE), C(BADBR), C(ERANGE),
+		C(ESPACE), C(BADRPT) };
+
+	  for (int i = 0; i < sizeof (codes) / sizeof (codes[0]); ++i)
+	    if (n == codes[i].code)
+	      {
+		if (strcmp (string, codes[i].name))
+		  {
+		    printf ("%s regcomp returned REG_%s (expected REG_%s)\n",
+			    fail, codes[i].name, string);
+		    return 1;
+		  }
+	        return 0;
+	      }
+
+	  printf ("%s regcomp return value REG_%d\n", fail, n);
+	  return 1;
+	}
+
+      regerror (n, &re, buf, sizeof (buf));
+      printf ("%s regcomp failed: %s\n", fail, buf);
+      return 1;
+    }
+
+  if (eflags == -1)
+    {
+      regfree (&re);
+
+      /* The test case file assumes something only guaranteed by the
+	 rxspencer regex implementation.  Namely that for empty
+	 expressions regcomp() return REG_EMPTY.  This is not the case
+	 for us and so we ignore this error.  */
+      if (strcmp (string, "EMPTY") == 0)
+	return 0;
+
+      printf ("%s regcomp unexpectedly succeeded\n", fail);
+      return 1;
+    }
+
+  if (regexec (&re, string, 10, rm, eflags))
+    {
+      regfree (&re);
+      if (expect == NULL)
+	return 0;
+      printf ("%s regexec failed\n", fail);
+      return 1;
+    }
+
+  regfree (&re);
+
+  if (expect == NULL)
+    {
+      printf ("%s regexec unexpectedly succeeded\n", fail);
+      return 1;
+    }
+
+  if (cflags & REG_NOSUB)
+    return 0;
+
+  ret = check_match (rm, 0, string, expect, fail);
+  if (matches == NULL)
+    return ret;
+
+  for (n = 1; ret == 0 && n < 10; ++n)
+    {
+      char *p = NULL;
+
+      if (matches)
+	{
+	  p = strchr (matches, ',');
+	  if (p != NULL)
+	    *p = '\0';
+	}
+      ret = check_match (rm, n, string, matches ?: "-", fail);
+      if (p)
+	{
+	  *p = ',';
+	  matches = p + 1;
+	}
+      else
+	matches = NULL;
+    }
+
+  return ret;
+}
+
+static int
+mb_test (const char *pattern, int cflags, const char *string, int eflags,
+	 char *expect, const char *matches, const char *letters,
+	 const char *fail)
+{
+  char *pattern_mb = mb_frob_pattern (pattern, letters);
+  const char *string_mb
+    = eflags == -1 ? string : mb_frob_string (string, letters);
+  char *expect_mb = mb_frob_string (expect, letters);
+  char *matches_mb = mb_frob_string (matches, letters);
+  int ret = 0;
+
+  if (!pattern_mb || !string_mb
+      || (expect && !expect_mb) || (matches && !matches_mb))
+    {
+      printf ("%s %m", fail);
+      ret = 1;
+    }
+  else
+    ret = test (pattern_mb, cflags, string_mb, eflags, expect_mb,
+		matches_mb, fail);
+
+  free (matches_mb);
+  free (expect_mb);
+  if (string_mb != string)
+    free ((char *) string_mb);
+  free (pattern_mb);
+  return ret;
+}
+
+static int
+mb_tests (const char *pattern, int cflags, const char *string, int eflags,
+	  char *expect, const char *matches)
+{
+  int ret = 0;
+  int i;
+  char letters[9], fail[20];
+
+  /* The tests aren't supposed to work with xdigit, since a-dA-D are
+     hex digits while \'a \'A \v{c}\v{C}\v{d}\v{D}\'e \'E are not.  */
+  if (strstr (pattern, "[:xdigit:]"))
+    return 0;
+
+  /* XXX: regex ATM handles only single byte equivalence classes.  */
+  if (strstr (pattern, "[[=b=]]"))
+    return 0;
+
+  for (i = 1; i < 16; ++i)
+    {
+      char *p = letters;
+      if (i & 1)
+	{
+	  if (!strchr (pattern, 'a') && !strchr (string, 'a')
+	      && !strchr (pattern, 'A') && !strchr (string, 'A'))
+	    continue;
+	  *p++ = 'a', *p++ = 'A';
+	}
+      if (i & 2)
+	{
+	  if (!strchr (pattern, 'b') && !strchr (string, 'b')
+	      && !strchr (pattern, 'B') && !strchr (string, 'B'))
+	    continue;
+	  *p++ = 'b', *p++ = 'B';
+	}
+      if (i & 4)
+	{
+	  if (!strchr (pattern, 'c') && !strchr (string, 'c')
+	      && !strchr (pattern, 'C') && !strchr (string, 'C'))
+	    continue;
+	  *p++ = 'c', *p++ = 'C';
+	}
+      if (i & 8)
+	{
+	  if (!strchr (pattern, 'd') && !strchr (string, 'd')
+	      && !strchr (pattern, 'D') && !strchr (string, 'D'))
+	    continue;
+	  *p++ = 'd', *p++ = 'D';
+	}
+      *p++ = '\0';
+      sprintf (fail, "UTF-8 %s FAIL", letters);
+      ret |= mb_test (pattern, cflags, string, eflags, expect, matches,
+		      letters, fail);
+    }
+  return ret;
+}
+
+int
+main (int argc, char **argv)
+{
+  int ret = 0;
+  char *line = NULL;
+  size_t line_len = 0;
+  ssize_t len;
+  FILE *f;
+  static int test_utf8 = 0;
+  static const struct option options[] =
+    {
+      {"utf8",	no_argument,	&test_utf8,	1},
+      {NULL,	0,		NULL,		0 }
+    };
+
+  mtrace ();
+
+  while (getopt_long (argc, argv, "", options, NULL) >= 0);
+
+  if (optind + 1 != argc)
+    {
+      fprintf (stderr, "Missing test filename\n");
+      return 1;
+    }
+
+  f = fopen (argv[optind], "r");
+  if (f == NULL)
+    {
+      fprintf (stderr, "Couldn't open %s\n", argv[optind]);
+      return 1;
+    }
+
+  while ((len = getline (&line, &line_len, f)) > 0)
+    {
+      char *pattern, *flagstr, *string, *expect, *matches, *p;
+      int cflags = REG_EXTENDED, eflags = 0, try_bre_ere = 0;
+
+      if (line[len - 1] == '\n')
+        line[len - 1] = '\0';
+
+      /* Skip comments and empty lines.  */
+      if (*line == '#' || *line == '\0')
+	continue;
+
+      puts (line);
+      fflush (stdout);
+
+      pattern = strtok (line, "\t");
+      if (pattern == NULL)
+        continue;
+
+      if (strcmp (pattern, "\"\"") == 0)
+	pattern += 2;
+
+      flagstr = strtok (NULL, "\t");
+      if (flagstr == NULL)
+        continue;
+
+      string = strtok (NULL, "\t");
+      if (string == NULL)
+        continue;
+
+      if (strcmp (string, "\"\"") == 0)
+	string += 2;
+
+      for (p = flagstr; *p; ++p)
+	switch (*p)
+	  {
+	  case '-':
+	    break;
+	  case 'b':
+	    cflags &= ~REG_EXTENDED;
+	    break;
+	  case '&':
+	    try_bre_ere = 1;
+	    break;
+	  case 'C':
+	    eflags = -1;
+	    break;
+	  case 'i':
+	    cflags |= REG_ICASE;
+	    break;
+	  case 's':
+	    cflags |= REG_NOSUB;
+	    break;
+	  case 'n':
+	    cflags |= REG_NEWLINE;
+	    break;
+	  case '^':
+	    eflags |= REG_NOTBOL;
+	    break;
+	  case '$':
+	    eflags |= REG_NOTEOL;
+	    break;
+	  case 'm':
+	  case 'p':
+	  case '#':
+	    /* Not supported.  */
+	    flagstr = NULL;
+	    break;
+	  }
+
+      if (flagstr == NULL)
+	continue;
+
+      replace_special_chars (pattern);
+      glibc_re_syntax (pattern);
+      if (eflags != -1)
+        replace_special_chars (string);
+
+      expect = strtok (NULL, "\t");
+      matches = NULL;
+      if (expect != NULL)
+        {
+	  replace_special_chars (expect);
+	  matches = strtok (NULL, "\t");
+	  if (matches != NULL)
+	    replace_special_chars (matches);
+        }
+
+      if (setlocale (LC_ALL, "C") == NULL)
+	{
+	  puts ("setlocale C failed");
+	  ret = 1;
+	}
+      if (test (pattern, cflags, string, eflags, expect, matches, "FAIL")
+	  || (try_bre_ere
+	      && test (pattern, cflags & ~REG_EXTENDED, string, eflags,
+		       expect, matches, "FAIL")))
+	ret = 1;
+      else if (test_utf8)
+	{
+	  if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL)
+	    {
+	      puts ("setlocale cs_CZ.UTF-8 failed");
+	      ret = 1;
+	    }
+	  else if (test (pattern, cflags, string, eflags, expect, matches,
+			 "UTF-8 FAIL")
+		   || (try_bre_ere
+		       && test (pattern, cflags & ~REG_EXTENDED, string,
+				eflags, expect, matches, "UTF-8 FAIL")))
+	    ret = 1;
+	  else if (mb_tests (pattern, cflags, string, eflags, expect, matches)
+		   || (try_bre_ere
+		       && mb_tests (pattern, cflags & ~REG_EXTENDED, string,
+				    eflags, expect, matches)))
+	    ret = 1;
+	}
+    }
+
+  free (line);
+  fclose (f);
+  return ret;
+}