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+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ * 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:
+ * version 2.1 of the License.
+ *
+ * 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 Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ *
+ * included from libwebsockets.h
+ */
+
+
+/*! \defgroup pur Sanitize / purify SQL and JSON helpers
+ *
+ * ##Sanitize / purify SQL and JSON helpers
+ *
+ * APIs for escaping untrusted JSON and SQL safely before use
+ */
+//@{
+
+/**
+ * lws_sql_purify() - like strncpy but with escaping for sql quotes
+ *
+ * \param escaped: output buffer
+ * \param string: input buffer ('/0' terminated)
+ * \param len: output buffer max length
+ *
+ * Because escaping expands the output string, it's not
+ * possible to do it in-place, ie, with escaped == string
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_sql_purify(char *escaped, const char *string, int len);
+
+/**
+ * lws_json_purify() - like strncpy but with escaping for json chars
+ *
+ * \param escaped: output buffer
+ * \param string: input buffer ('/0' terminated)
+ * \param len: output buffer max length
+ *
+ * Because escaping expands the output string, it's not
+ * possible to do it in-place, ie, with escaped == string
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_json_purify(char *escaped, const char *string, int len);
+
+/**
+ * lws_filename_purify_inplace() - replace scary filename chars with underscore
+ *
+ * \param filename: filename to be purified
+ *
+ * Replace scary characters in the filename (it should not be a path)
+ * with underscore, so it's safe to use.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_filename_purify_inplace(char *filename);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_plat_write_cert(struct lws_vhost *vhost, int is_key, int fd, void *buf,
+ int len);
+LWS_VISIBLE LWS_EXTERN int
+lws_plat_write_file(const char *filename, void *buf, int len);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_plat_read_file(const char *filename, void *buf, int len);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_plat_recommended_rsa_bits(void);
+///@}