diff options
Diffstat (limited to 'hangman/getword.c')
-rw-r--r-- | hangman/getword.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/hangman/getword.c b/hangman/getword.c new file mode 100644 index 00000000..35c51979 --- /dev/null +++ b/hangman/getword.c @@ -0,0 +1,92 @@ +/* + * Copyright (c) 1983 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)getword.c 5.3 (Berkeley) 6/1/90"; +#endif /* not lint */ + +# include "hangman.h" + +# if pdp11 +# define RN (((off_t) rand() << 16) | (off_t) rand()) +# else +# define RN rand() +# endif + +/* + * getword: + * Get a valid word out of the dictionary file + */ +getword() +{ + register FILE *inf; + register char *wp, *gp; + + inf = Dict; + for (;;) { + fseek(inf, abs(RN % Dict_size), 0); + if (fgets(Word, BUFSIZ, inf) == NULL) + continue; + if (fgets(Word, BUFSIZ, inf) == NULL) + continue; + Word[strlen(Word) - 1] = '\0'; + if (strlen(Word) < MINLEN) + continue; + for (wp = Word; *wp; wp++) + if (!islower(*wp)) + goto cont; + break; +cont: ; + } + gp = Known; + wp = Word; + while (*wp) { + *gp++ = '-'; + wp++; + } + *gp = '\0'; +} + +/* + * abs: + * Return the absolute value of an integer + */ +off_t +abs(i) +off_t i; +{ + if (i < 0) + return -(off_t) i; + else + return (off_t) i; +} |