minor KNFify

diff --git a/caesar/caesar.c b/caesar/caesar.c
index e2355fdcd1932f8b5653075b1d683592cde250e1..0291bbe3f8581a7410ffecd6a450b04c7db49ca9 100644 (file)
--- a/caesar/caesar.c
+++ b/caesar/caesar.c
@@ -1,4 +1,4 @@
-/*     $NetBSD: caesar.c,v 1.5 1997/10/10 12:07:11 lukem Exp $ */
+/*     $NetBSD: caesar.c,v 1.6 1997/10/11 02:40:39 lukem Exp $ */
 
 /*
  * Copyright (c) 1989, 1993
@@ -51,11 +51,12 @@ __COPYRIGHT("@(#) Copyright (c) 1989, 1993\n\
 #if 0
 static char sccsid[] = "@(#)caesar.c   8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: caesar.c,v 1.5 1997/10/10 12:07:11 lukem Exp $");
+__RCSID("$NetBSD: caesar.c,v 1.6 1997/10/11 02:40:39 lukem Exp $");
 #endif
 #endif /* not lint */
 
 #include <ctype.h>
+#include <err.h>
 #include <errno.h>
 #include <math.h>
 #include <stdio.h>
@@ -95,10 +96,8 @@ main(argc, argv)
        if (argc > 1)
                printit(argv[1]);
 
-       if (!(inbuf = malloc(LINELENGTH))) {
-               (void)fprintf(stderr, "caesar: out of memory.\n");
-               exit(1);
-       }
+       if (!(inbuf = malloc(LINELENGTH)))
+               errx(1, "out of memory");
 
        /* adjust frequency table to weight low probs REAL low */
        for (i = 0; i < 26; ++i)
@@ -107,10 +106,8 @@ main(argc, argv)
        /* zero out observation table */
        memset(obs, 0, 26 * sizeof(int));
 
-       if ((nread = read(STDIN_FILENO, inbuf, LINELENGTH)) < 0) {
-               (void)fprintf(stderr, "caesar: %s\n", strerror(errno));
-               exit(1);
-       }
+       if ((nread = read(STDIN_FILENO, inbuf, LINELENGTH)) < 0)
+               err(1, "reading from stdin");
        for (i = nread; i--;) {
                ch = inbuf[i];
                if (islower(ch))
@@ -144,10 +141,8 @@ main(argc, argv)
                }
                if (nread < LINELENGTH)
                        break;
-               if ((nread = read(STDIN_FILENO, inbuf, LINELENGTH)) < 0) {
-                       (void)fprintf(stderr, "caesar: %s\n", strerror(errno));
-                       exit(1);
-               }
+               if ((nread = read(STDIN_FILENO, inbuf, LINELENGTH)) < 0)
+                       err(1, "reading from stdin");
        }
        exit(0);
 }
@@ -158,10 +153,8 @@ printit(arg)
 {
        int ch, rot;
 
-       if ((rot = atoi(arg)) < 0) {
-               (void)fprintf(stderr, "caesar: bad rotation value.\n");
-               exit(1);
-       }
+       if ((rot = atoi(arg)) < 0)
+               errx(1, "bad rotation value.");
        while ((ch = getchar()) != EOF)
                putchar(ROTATE(ch, rot));
        exit(0);