X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/Security/libsecurity_cryptkit/ckutils/ckutilsPlatform.h

diff --git a/Security/libsecurity_cryptkit/ckutils/ckutilsPlatform.h b/Security/libsecurity_cryptkit/ckutils/ckutilsPlatform.h
new file mode 100644
index 00000000..66ee7bcb
--- /dev/null
+++ b/Security/libsecurity_cryptkit/ckutils/ckutilsPlatform.h
@@ -0,0 +1,106 @@
+/*
+ * Platform-dependent stuff for ckutils
+ */
+
+#ifndef	_CKU_PLATFORM_H_
+#define _CKU_PLATFORM_H_
+
+#include <string.h>
+#include <stdlib.h>
+
+/* use this for linux compatibility testing */
+//#define linux 1
+/* end linux test */
+
+/*
+ * Make sure endianness is defined...
+ */
+#if	!defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
+    #if	macintosh
+	#define	__BIG_ENDIAN__		1
+    #elif defined(i386) || defined(i486) || defined(__i386__) || defined(__i486__)
+    	#define __LITTLE_ENDIAN__	1
+    #else
+    	#error Platform dependent work needed
+    #endif
+#endif	/* endian */
+
+#ifdef	NeXT
+    #import <libc.h>
+    #define SRAND(x)		srandom(x)
+    #define RAND()		random()
+#else	NeXT
+    /*
+     * Use stdlib only
+     */
+    #define SRAND(x)		srand(x)
+    #define RAND()		rand()
+    #define bcopy(s, d, l)	memmove(d, s, l)
+    #define bzero(s, l)		memset(s, 0, l)
+    #define bcmp(s, d, l)	memcmp(s, d, l)
+#endif
+	
+#ifdef	CK_NT_C_ONLY
+
+/*
+ * Standard I/O redirects for WINNT.
+ */
+#define open(f, b, c)	_open(f, b, c)
+#define close(f)	_close(f)
+#define read(f, b, c)	_read(f, b, c)
+#define write(f, b, c)	_write(f, b, c)
+#define	fstat(f, b)	_fstat(f, b)
+
+#define	O_RDONLY	_O_RDONLY
+#define	O_WRONLY	_O_WRONLY
+#define	O_CREAT		_O_CREAT
+#define O_TRUNC		_O_TRUNC
+
+#endif	CK_NT_C_ONLY
+
+/*
+ * Platform-dependent timestamp stuff. For now we assume that each platform
+ * has some kind of struct which maintains a high-resolution clock and
+ * a function which fills that struct with the current time.
+ */
+#if		macintosh
+	
+	#include <Timer.h>
+	
+	#define PLAT_TIME		UnsignedWide
+	#define PLAT_GET_TIME(pt)	Microseconds(&pt)
+	#define PLAT_GET_US(start,end)	(end.lo - start.lo)
+
+#elif	linux
+
+	#include <sys/time.h>
+	
+	#define PLAT_TIME		struct timeval
+	#define PLAT_GET_TIME(pt)	gettimeofday(&pt, NULL)
+	#define PLAT_GET_US(start,end)						\
+		( ( ( (end.tv_sec   & 0xff) * 1000000) + end.tv_usec) - 	\
+		  ( ( (start.tv_sec & 0xff) * 1000000) + start.tv_usec) )
+
+#elif	NeXT
+
+	#include <kern/time_stamp.h>
+
+	#define PLAT_TIME		struct tsval
+	#define PLAT_GET_TIME(pt)	kern_timestamp(&pt)
+	#define PLAT_GET_US(start,end)	(end.low_val - start.low_val)
+	
+	
+#elif defined(__MACH__) && defined(__APPLE__)
+	#include <CoreFoundation/CoreFoundation.h>
+	/* time as a double */
+	#define PLAT_TIME				CFAbsoluteTime
+	#define PLAT_GET_TIME(pt)		pt = CFAbsoluteTimeGetCurrent()
+	#define PLAT_GET_US(start,end)	\
+		((end - start) * 1000000.0)
+	#define PLAT_GET_NS(start,end)	\
+		((end - start) * 1000000000.0)
+#else
+    #error Platform dependent work needed
+#endif
+
+#endif 	/* _CKU_PLATFORM_H_ */