Index: libsrtp/crypto/include/integers.h |
=================================================================== |
--- libsrtp/crypto/include/integers.h (revision 0) |
+++ libsrtp/crypto/include/integers.h (revision 0) |
@@ -0,0 +1,147 @@ |
+/* |
+ * 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 HAVE_STDINT_H |
+# include <stdint.h> |
+#endif |
+#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? */ |
+#ifndef 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 */ |
Property changes on: libsrtp/crypto/include/integers.h |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |