| File: | src/games/pig/pig.c |
| Warning: | line 59, column 2 Value stored to 'argc' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
| 1 | /* $OpenBSD: pig.c,v 1.17 2016/03/07 12:07:56 mestre Exp $ */ |
| 2 | /* $NetBSD: pig.c,v 1.2 1995/03/23 08:41:40 cgd Exp $ */ |
| 3 | |
| 4 | /*- |
| 5 | * Copyright (c) 1992, 1993 |
| 6 | * The Regents of the University of California. All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. Neither the name of the University nor the names of its contributors |
| 17 | * may be used to endorse or promote products derived from this software |
| 18 | * without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | * SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <ctype.h> |
| 34 | #include <err.h> |
| 35 | #include <stdio.h> |
| 36 | #include <stdlib.h> |
| 37 | #include <string.h> |
| 38 | #include <unistd.h> |
| 39 | |
| 40 | void pigout(char *, int); |
| 41 | __dead__attribute__((__noreturn__)) void usage(void); |
| 42 | |
| 43 | int |
| 44 | main(int argc, char *argv[]) |
| 45 | { |
| 46 | int len; |
| 47 | int ch; |
| 48 | char buf[1024]; |
| 49 | |
| 50 | if (pledge("stdio", NULL((void *)0)) == -1) |
| 51 | err(1, "pledge"); |
| 52 | |
| 53 | while ((ch = getopt(argc, argv, "h")) != -1) |
| 54 | switch(ch) { |
| 55 | case 'h': |
| 56 | default: |
| 57 | usage(); |
| 58 | } |
| 59 | argc -= optind; |
Value stored to 'argc' is never read | |
| 60 | argv += optind; |
| 61 | |
| 62 | for (len = 0; (ch = getchar()(!__isthreaded ? (--((&__sF[0]))->_r < 0 ? __srget( (&__sF[0])) : (int)(*((&__sF[0]))->_p++)) : (getc) ((&__sF[0])))) != EOF(-1);) { |
| 63 | if (isalpha(ch)) { |
| 64 | if (len >= sizeof(buf)) |
| 65 | errx(1, "ate too much!"); |
| 66 | buf[len++] = ch; |
| 67 | continue; |
| 68 | } |
| 69 | if (len != 0) { |
| 70 | pigout(buf, len); |
| 71 | len = 0; |
| 72 | } |
| 73 | (void)putchar(ch)(!__isthreaded ? __sputc(ch, (&__sF[1])) : (putc)(ch, (& __sF[1]))); |
| 74 | } |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | void |
| 79 | pigout(char *buf, int len) |
| 80 | { |
| 81 | int ch, start, i; |
| 82 | int olen, allupper, firstupper; |
| 83 | |
| 84 | /* See if the word is all upper case */ |
| 85 | allupper = firstupper = isupper((unsigned char)buf[0]); |
| 86 | for (i = 1; i < len && allupper; i++) |
| 87 | allupper = allupper && isupper((unsigned char)buf[i]); |
| 88 | |
| 89 | /* |
| 90 | * If the word starts with a vowel, append "way". Don't treat 'y' |
| 91 | * as a vowel if it appears first. |
| 92 | */ |
| 93 | if (strchr("aeiouAEIOU", buf[0]) != NULL((void *)0)) { |
| 94 | (void)printf("%.*s%s", len, buf, |
| 95 | allupper ? "WAY" : "way"); |
| 96 | return; |
| 97 | } |
| 98 | |
| 99 | /* |
| 100 | * Copy leading consonants to the end of the word. The unit "qu" |
| 101 | * isn't treated as a vowel. |
| 102 | */ |
| 103 | if (!allupper) |
| 104 | buf[0] = tolower((unsigned char)buf[0]); |
| 105 | for (start = 0, olen = len; |
| 106 | !strchr("aeiouyAEIOUY", buf[start]) && start < olen;) { |
| 107 | ch = buf[len++] = buf[start++]; |
| 108 | if ((ch == 'q' || ch == 'Q') && start < olen && |
| 109 | (buf[start] == 'u' || buf[start] == 'U')) |
| 110 | buf[len++] = buf[start++]; |
| 111 | } |
| 112 | if (firstupper) |
| 113 | buf[start] = toupper((unsigned char)buf[start]); |
| 114 | (void)printf("%.*s%s", olen, buf + start, allupper ? "AY" : "ay"); |
| 115 | } |
| 116 | |
| 117 | void |
| 118 | usage(void) |
| 119 | { |
| 120 | (void)fprintf(stderr(&__sF[2]), "usage: %s\n", getprogname()); |
| 121 | exit(1); |
| 122 | } |