diff options
Diffstat (limited to 'release/picobsd/tinyware/ash/mystring.c')
-rw-r--r-- | release/picobsd/tinyware/ash/mystring.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/release/picobsd/tinyware/ash/mystring.c b/release/picobsd/tinyware/ash/mystring.c deleted file mode 100644 index 2ca62bd..0000000 --- a/release/picobsd/tinyware/ash/mystring.c +++ /dev/null @@ -1,144 +0,0 @@ -/* $NetBSD: mystring.c,v 1.13 1997/07/04 21:02:15 christos Exp $ */ - -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Kenneth Almquist. - * - * 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. - */ - -#include <sys/cdefs.h> -#ifndef lint -#if 0 -static char sccsid[] = "@(#)mystring.c 8.2 (Berkeley) 5/4/95"; -#else -__RCSID("$NetBSD: mystring.c,v 1.13 1997/07/04 21:02:15 christos Exp $"); -#endif -#endif /* not lint */ - -/* - * String functions. - * - * equal(s1, s2) Return true if strings are equal. - * scopy(from, to) Copy a string. - * scopyn(from, to, n) Like scopy, but checks for overflow. - * number(s) Convert a string of digits to an integer. - * is_number(s) Return true if s is a string of digits. - */ - -#include <stdlib.h> -#include "shell.h" -#include "syntax.h" -#include "error.h" -#include "mystring.h" - - -char nullstr[1]; /* zero length string */ - -/* - * equal - #defined in mystring.h - */ - -/* - * scopy - #defined in mystring.h - */ - - -/* - * scopyn - copy a string from "from" to "to", truncating the string - * if necessary. "To" is always nul terminated, even if - * truncation is performed. "Size" is the size of "to". - */ - -void -scopyn(from, to, size) - char const *from; - char *to; - int size; - { - - while (--size > 0) { - if ((*to++ = *from++) == '\0') - return; - } - *to = '\0'; -} - - -/* - * prefix -- see if pfx is a prefix of string. - */ - -int -prefix(pfx, string) - char const *pfx; - char const *string; - { - while (*pfx) { - if (*pfx++ != *string++) - return 0; - } - return 1; -} - - -/* - * Convert a string of digits to an integer, printing an error message on - * failure. - */ - -int -number(s) - const char *s; - { - - if (! is_number(s)) - error("Illegal number: %s", (char *)s); - return atoi(s); -} - - - -/* - * Check for a valid number. This should be elsewhere. - */ - -int -is_number(p) - const char *p; - { - do { - if (! is_digit(*p)) - return 0; - } while (*++p != '\0'); - return 1; -} |