Upgrade libsrtp from 2.0.0 to 2.3.0, with source code. 4.0.79

trunk/3rdparty/libsrtp-2-fit/crypto/include/err.h

@@ -0,0 +1,139 @@
+/*
+ * err.h
+ *
+ * error status codes
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2017, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ *   Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ *   Neither the name of the Cisco Systems, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef ERR_H
+#define ERR_H
+
+#include <stdio.h>
+#include <stdarg.h>
+#include "srtp.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup Error Error Codes
+ *
+ * Error status codes are represented by the enumeration srtp_err_status_t.
+ *
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+typedef enum {
+    srtp_err_level_error,
+    srtp_err_level_warning,
+    srtp_err_level_info,
+    srtp_err_level_debug
+} srtp_err_reporting_level_t;
+
+/*
+ * err_reporting_init prepares the error system.  If
+ * ERR_REPORTING_STDOUT is defined, it will log to stdout.
+ *
+ */
+
+srtp_err_status_t srtp_err_reporting_init(void);
+
+typedef void(srtp_err_report_handler_func_t)(srtp_err_reporting_level_t level,
+                                             const char *msg);
+
+srtp_err_status_t srtp_install_err_report_handler(
+    srtp_err_report_handler_func_t func);
+
+/*
+ * srtp_err_report reports a 'printf' formatted error
+ * string, followed by a an arg list.  The level argument
+ * is one of srtp_err_reporting_level_t.
+ *
+ * Errors will be reported to stdout, if ERR_REPORTING_STDOUT
+ * is defined.
+ *
+ */
+
+void srtp_err_report(srtp_err_reporting_level_t level, const char *format, ...);
+
+/*
+ * debug_module_t defines a debug module
+ */
+
+typedef struct {
+    int on;           /* 1 if debugging is on, 0 if it is off */
+    const char *name; /* printable name for debug module      */
+} srtp_debug_module_t;
+
+#ifdef ENABLE_DEBUG_LOGGING
+
+#define debug_print0(mod, format)                                              \
+    srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name)
+#define debug_print(mod, format, arg)                                          \
+    srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name, arg)
+#define debug_print2(mod, format, arg1, arg2)                                  \
+    srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name,      \
+                    arg1, arg2)
+
+#else
+
+#define debug_print0(mod, format)                                              \
+    if (mod.on)                                                                \
+    srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name)
+#define debug_print(mod, format, arg)                                          \
+    if (mod.on)                                                                \
+    srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name, arg)
+#define debug_print2(mod, format, arg1, arg2)                                  \
+    if (mod.on)                                                                \
+    srtp_err_report(srtp_err_level_debug, ("%s: " format "\n"), mod.name,      \
+                    arg1, arg2)
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ERR_H */