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-rw-r--r--netwerk/srtp/src/crypto/include/integers.h155
1 files changed, 155 insertions, 0 deletions
diff --git a/netwerk/srtp/src/crypto/include/integers.h b/netwerk/srtp/src/crypto/include/integers.h
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+/*
+ * integers.h
+ *
+ * defines integer types (or refers to their definitions)
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, 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 INTEGERS_H
+#define INTEGERS_H
+
+#include "config.h" /* configuration file, using autoconf */
+
+#ifdef SRTP_KERNEL
+
+#include "kernel_compat.h"
+
+#else /* SRTP_KERNEL */
+
+/* use standard integer definitions, if they're available */
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+#ifdef INTEGER_TYPES_H
+/* Let configure tell us where to get the equivalent to <stdint.h> */
+#include INTEGER_TYPES_H
+
+#if !defined(HAVE_UINT64_T)
+#define NO_64BIT_MATH 1
+#endif
+#else
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#endif /* INTEGER_TYPES_H */
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_INT_TYPES_H
+# include <sys/int_types.h> /* this exists on Sun OS */
+#endif
+#ifdef HAVE_MACHINE_TYPES_H
+# include <machine/types.h>
+#endif
+
+/* Can we do 64 bit integers? */
+#if !defined(HAVE_UINT64_T)
+# if SIZEOF_UNSIGNED_LONG == 8
+typedef unsigned long uint64_t;
+# elif SIZEOF_UNSIGNED_LONG_LONG == 8
+typedef unsigned long long uint64_t;
+# else
+# define NO_64BIT_MATH 1
+# endif
+#endif
+
+/* Reasonable defaults for 32 bit machines - you may need to
+ * edit these definitions for your own machine. */
+#ifndef HAVE_UINT8_T
+typedef unsigned char uint8_t;
+#endif
+#ifndef HAVE_UINT16_T
+typedef unsigned short int uint16_t;
+#endif
+#ifndef HAVE_UINT32_T
+typedef unsigned int uint32_t;
+#endif
+
+#ifdef NO_64BIT_MATH
+typedef double uint64_t;
+/* assert that sizeof(double) == 8 */
+extern uint64_t make64(uint32_t high, uint32_t low);
+extern uint32_t high32(uint64_t value);
+extern uint32_t low32(uint64_t value);
+#endif
+
+#endif /* SRTP_KERNEL */
+
+/* These macros are to load and store 32-bit values from un-aligned
+ addresses. This is required for processors that do not allow unaligned
+ loads. */
+#ifdef ALIGNMENT_32BIT_REQUIRED
+/* Note that if it's in a variable, you can memcpy it */
+#ifdef WORDS_BIGENDIAN
+#define PUT_32(addr,value) \
+ { \
+ ((unsigned char *) (addr))[0] = (value >> 24); \
+ ((unsigned char *) (addr))[1] = (value >> 16) & 0xff; \
+ ((unsigned char *) (addr))[2] = (value >> 8) & 0xff; \
+ ((unsigned char *) (addr))[3] = (value) & 0xff; \
+ }
+#define GET_32(addr) ((((unsigned char *) (addr))[0] << 24) | \
+ (((unsigned char *) (addr))[1] << 16) | \
+ (((unsigned char *) (addr))[2] << 8) | \
+ (((unsigned char *) (addr))[3]))
+#else
+#define PUT_32(addr,value) \
+ { \
+ ((unsigned char *) (addr))[3] = (value >> 24); \
+ ((unsigned char *) (addr))[2] = (value >> 16) & 0xff; \
+ ((unsigned char *) (addr))[1] = (value >> 8) & 0xff; \
+ ((unsigned char *) (addr))[0] = (value) & 0xff; \
+ }
+#define GET_32(addr) ((((unsigned char *) (addr))[3] << 24) | \
+ (((unsigned char *) (addr))[2] << 16) | \
+ (((unsigned char *) (addr))[1] << 8) | \
+ (((unsigned char *) (addr))[0]))
+#endif // WORDS_BIGENDIAN
+#else
+#define PUT_32(addr,value) *(((uint32_t *) (addr)) = (value)
+#define GET_32(addr) (*(((uint32_t *) (addr)))
+#endif
+
+#endif /* INTEGERS_H */