Add support for printing long doubles.

PR:		36783

3 files changed, 12 insertions, 1 deletions

diff --git a/usr.bin/hexdump/display.c b/usr.bin/hexdump/display.c
index fdfb174..9da5bf9 100644
--- a/usr.bin/hexdump/display.c
+++ b/usr.bin/hexdump/display.c
@@ -117,6 +117,7 @@ print(pr, bp)
 	PR *pr;
 	u_char *bp;
 {
+	long double ldbl;
 	   double f8;
 	    float f4;
 	  int16_t s2;
@@ -149,6 +150,10 @@ print(pr, bp)
 			bcopy(bp, &f8, sizeof(f8));
 			(void)printf(pr->fmt, f8);
 			break;
+		case sizeof(long double):
+			bcopy(bp, &ldbl, sizeof(ldbl));
+			(void)printf(pr->fmt, ldbl);
+			break;
 		}
 		break;
 	case F_INT:
diff --git a/usr.bin/hexdump/hexdump.1 b/usr.bin/hexdump/hexdump.1
index 84ae2f1..a004c1d 100644
--- a/usr.bin/hexdump/hexdump.1
+++ b/usr.bin/hexdump/hexdump.1
@@ -276,7 +276,7 @@ Four byte default, one, two and four byte counts supported.
 .Li \&%E , \&%e , \&%f ,
 .Li \&%G , \&%g
 .Xc
-Eight byte default, four byte counts supported.
+Eight byte default, four and twelve byte counts supported.
 .El
 .Pp
 The amount of data interpreted by each format string is the sum of the
diff --git a/usr.bin/hexdump/parse.c b/usr.bin/hexdump/parse.c
index bd96462..da93e7b 100644
--- a/usr.bin/hexdump/parse.c
+++ b/usr.bin/hexdump/parse.c
@@ -313,6 +313,12 @@ isint:				cs[2] = '\0';
 				case 4:
 					pr->bcnt = 4;
 					break;
+				case sizeof(long double):
+					cs[2] = '\0';
+					cs[1] = cs[0];
+					cs[0] = 'L';
+					pr->bcnt = sizeof(long double);
+					break;
 				default:
 					p1[1] = '\0';
 					badcnt(p1);