Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

minor KNFify

Browse Source
This commit is contained in:
lukem 1997-10-11 02:40:39 +00:00
parent 28f842ad16
commit 334d2ddf81
1 changed files with 11 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
games/caesar/caesar.c
View File

@ -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);