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-rw-r--r--REORG.TODO/posix/bug-regex7.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/REORG.TODO/posix/bug-regex7.c b/REORG.TODO/posix/bug-regex7.c
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+/* Test for regs allocation in re_search and re_match.
+ Copyright (C) 2002-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Stepan Kasal <kasal@math.cas.cz>, 2002.
+
+ 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 <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <regex.h>
+
+
+int
+main (void)
+{
+ struct re_pattern_buffer regex;
+ struct re_registers regs;
+ const char *s;
+ int match, n;
+ int result = 0;
+
+ memset (&regex, '\0', sizeof (regex));
+ regs.start = regs.end = NULL;
+ regs.num_regs = 0;
+ s = re_compile_pattern ("a", 1, &regex);
+ if (s != NULL)
+ {
+ puts ("failed to compile pattern \"a\"");
+ result = 1;
+ }
+ else
+ {
+ match = re_search (&regex, "baobab", 6, 0, 6, &regs);
+ n = 1;
+ if (match != 1)
+ {
+ printf ("re_search returned %d, expected 1\n", match);
+ result = 1;
+ }
+ else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
+ {
+ puts ("re_search failed to fill the -1 sentinel");
+ result = 1;
+ }
+ }
+
+ free (regex.buffer);
+ memset (&regex, '\0', sizeof (regex));
+
+ s = re_compile_pattern ("\\(\\(\\(a\\)\\)\\)", 13, &regex);
+ if (s != NULL)
+ {
+ puts ("failed to compile pattern /\\(\\(\\(a\\)\\)\\)/");
+ result = 1;
+ }
+ else
+ {
+ match = re_match (&regex, "apl", 3, 0, &regs);
+ n = 4;
+ if (match != 1)
+ {
+ printf ("re_match returned %d, expected 1\n", match);
+ result = 1;
+ }
+ else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
+ {
+ puts ("re_match failed to fill the -1 sentinel");
+ result = 1;
+ }
+ }
+
+ if (result == 0)
+ puts (" -> OK");
+
+ return result;
+}