objc4-371.tar.gz

[apple/objc4.git] / runtime / standard.h

diff --git a/runtime/standard.h b/runtime/standard.h
new file mode 100644 (file)
index 0000000..7d471e2
--- /dev/null
+++ b/runtime/standard.h
@@ -0,0 +1,54 @@
+/*
+------------------------------------------------------------------------------
+Standard definitions and types, Bob Jenkins
+------------------------------------------------------------------------------
+*/
+#ifndef STANDARD
+# define STANDARD
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+typedef  uint64_t  ub8;
+#define UB8MAXVAL 0xffffffffffffffffLL
+#define UB8BITS 64
+typedef    int64_t  sb8;
+#define SB8MAXVAL 0x7fffffffffffffffLL
+typedef  uint32_t  ub4;   /* unsigned 4-byte quantities */
+#define UB4MAXVAL 0xffffffff
+typedef    int32_t  sb4;
+#define UB4BITS 32
+#define SB4MAXVAL 0x7fffffff
+typedef  uint16_t  ub2;
+#define UB2MAXVAL 0xffff
+#define UB2BITS 16
+typedef    int16_t  sb2;
+#define SB2MAXVAL 0x7fff
+typedef  uint8_t ub1;
+#define UB1MAXVAL 0xff
+#define UB1BITS 8
+typedef    int8_t sb1;   /* signed 1-byte quantities */
+#define SB1MAXVAL 0x7f
+typedef                 int  word;  /* fastest type available */
+
+#define bis(target,mask)  ((target) |=  (mask))
+#define bic(target,mask)  ((target) &= ~(mask))
+#define bit(target,mask)  ((target) &   (mask))
+#ifndef min
+# define min(a,b) (((a)<(b)) ? (a) : (b))
+#endif /* min */
+#ifndef max
+# define max(a,b) (((a)<(b)) ? (b) : (a))
+#endif /* max */
+#ifndef align
+# define align(a) (((ub4)a+(sizeof(void *)-1))&(~(sizeof(void *)-1)))
+#endif /* align */
+#ifndef abs
+# define abs(a)   (((a)>0) ? (a) : -(a))
+#endif
+#define TRUE  1
+#define FALSE 0
+
+#endif /* STANDARD */