sync code with last improvements from OpenBSD

app/xpr/pmp.h

@@ -0,0 +1,62 @@
+/* Written by Jose' J. Capo' */
+/* (jjc@comet.lcs.mit.edu), June 1987 */
+
+/* WARNING!!!:  Include this header after the standard headers (like */
+ /* <stdio.h>) of  the following might cause another header to */
+ /* redefine BUFSIZ */
+#ifndef BUFSIZ
+#define BUFSIZ	1024
+#endif
+
+#define MAX_FRAME_LEN	512
+#define MAX_VECTOR_LEN	65535
+
+#define DBG(cond)	if (dbg cond)
+#define DEBUG(cond)	if (debug cond)
+#define min(a,b)	((a) < (b)? (a) : (b))
+
+#define pel2inch(pels)		((float) ((pels) / PPI))
+#define ppmask(rounded,thickness)	(0x20 * (rounded) + (thickness))
+
+
+#define min(a,b)	((a) < (b)? (a) : (b))
+#define lo(x)	((x) & 0xFF)
+#define hi(x)	(((x) & 0xFF00) >>8)
+#define hi2(x)	(((x) & 0xFF0000) >>16)
+#define p_wput(w, f)	{\
+			   (void) putc(hi(w), (f)); \
+			   (void) putc(lo(w), (f));\
+		       }
+#define PMP(f, len)	{ fprintf(f, "\033[C"); \
+			    p_putlh(f, len);\
+		      }
+#define p_putlh(f, w)	{\
+			   (void) putc(lo(w), (f));\
+			   (void) putc(hi(w), (f)); \
+		       }
+
+/* hi-lo 2-byte integer */
+/* int hl2int(unsigned char *) */
+#define hl2int(hl2)	((int) (0x100 * *(hl2) + *((hl2)+1)))
+
+/* putlh2(FILE *, int) */
+#define puthl2(i, f) { (void) putc(hi((i)), (f));\
+		       (void) putc(lo((i)), (f));\
+		     }
+
+/* hi-lo 3-byte integer */
+/* long hl3long(unsigned char *) */
+#define hl3long(hl3)	((long) (0x10000 * *(hl3) + \
+				 0x100 * *((hl3)+1) + *((hl3)+2)))
+
+/* puthl3(FILE *, long) */
+#define puthl3(l, f) { (void) putc(hi2((l)), (f));\
+		       (void) putc(hi((l)), (f));\
+		       (void) putc(lo((l)), (f));\
+		     }
+
+/* int int2sgn(int) */
+#define int2sgn(i)	(((i) > 0x8000 - 1)? (i)- 0x10000: (i))
+
+/* int long3sgn(long) */
+#define long3sgn(l)	(((l) > 0x800000 - 1)? (l) - 0x1000000 : (l))