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authorlukem <lukem@NetBSD.org>1997-10-11 02:40:39 +0000
committerlukem <lukem@NetBSD.org>1997-10-11 02:40:39 +0000
commitbe8e114c8e88082fe4b582e62ccd144281211b1b (patch)
tree679967f74d6279d4599b270d633e55a80354a96f /caesar
parent2dbfe327a09e7ba2365edc6daa8e9ba52c0913c0 (diff)
downloadbsdgames-darwin-be8e114c8e88082fe4b582e62ccd144281211b1b.tar.gz
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bsdgames-darwin-be8e114c8e88082fe4b582e62ccd144281211b1b.zip
minor KNFify
Diffstat (limited to 'caesar')
-rw-r--r--caesar/caesar.c29
1 files changed, 11 insertions, 18 deletions
diff --git a/caesar/caesar.c b/caesar/caesar.c
index e2355fdc..0291bbe3 100644
--- 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);