1 files changed, 77 insertions, 0 deletions
diff --git a/src/include/regex.h b/src/include/regex.h
new file mode 100644
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--- /dev/null
+++ b/src/include/regex.h
@@ -0,0 +1,77 @@
+/*
+ *   This 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.
+ *
+ *   This 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 this library; if not, write to the Free Software
+ *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+#ifndef REGEX_H
+#define REGEX_H
+#ifdef HAVE_REGEX
+/*
+ * $Id$
+ *
+ * @file regex.h
+ * @brief Wrappers around various regular expression libraries.
+ *
+ * @copyright 2014 The FreeRADIUS server project
+ */
+RCSIDH(regex_h, "$Id$")
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif
+#  ifdef HAVE_PCRE
+#    include <pcre.h>
+/*
+ *  Versions older then 8.20 didn't have the JIT functionality
+ *  gracefully degrade.
+ */
+#    ifndef PCRE_STUDY_JIT_COMPILE
+#      define PCRE_STUDY_JIT_COMPILE 0
+#    endif
+/*
+ *  libpcre defines its matches as an array of ints which is a
+ *  multiple of three.
+ */
+typedef struct regmatch {
+	int a;
+	int b;
+	int c;
+} regmatch_t;
+
+typedef struct regex {
+	bool		precompiled;	//!< Whether this regex was precompiled, or compiled for one of evaluation.
+	pcre		*compiled;	//!< Compiled regular expression.
+	pcre_extra	*extra;		//!< Result of studying a regular expression.
+} regex_t;
+#  else
+#    include <regex.h>
+/*
+ *  Allow REG_EXTENDED and REG_NOSUB to be or'd with flags
+ *  if they're not defined.
+ */
+#    ifndef REG_EXTENDED
+#      define REG_EXTENDED (0)
+#    endif
+
+#    ifndef REG_NOSUB
+#      define REG_NOSUB (0)
+#    endif
+#  endif
+ssize_t regex_compile(TALLOC_CTX *ctx, regex_t **out, char const *pattern, size_t len,
+		      bool ignore_case, bool multiline, bool subcaptures, bool runtime);
+int	regex_exec(regex_t *preg, char const *string, size_t len, regmatch_t pmatch[], size_t *nmatch);
+#  ifdef __cplusplus
+}
+#  endif
+#endif
+#endif