From: Ben Gras Date: Mon, 19 Jul 2010 10:46:26 +0000 (+0000) Subject: lib - extra file for libutil; strnstr and strcasestr from freebsd for libc. X-Git-Tag: v3.1.8~201 X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch03.html?a=commitdiff_plain;h=ffe7e9166ef81c7369f140d630fa9ecfe9b96449;p=minix.git lib - extra file for libutil; strnstr and strcasestr from freebsd for libc. --- diff --git a/lib/libc/other/Makefile.inc b/lib/libc/other/Makefile.inc index 7464a305d..2433397cf 100644 --- a/lib/libc/other/Makefile.inc +++ b/lib/libc/other/Makefile.inc @@ -94,10 +94,12 @@ SRCS+= \ settimeofday.c \ shquote.c \ stderr.c \ + strcasestr.c \ strdup.c \ strlcat.c \ strlcpy.c \ strmode.c \ + strnstr.c \ strtok_r.c \ strtoll.c \ strsep.c \ diff --git a/lib/libc/other/strcasestr.c b/lib/libc/other/strcasestr.c new file mode 100644 index 000000000..4fc54fcfb --- /dev/null +++ b/lib/libc/other/strcasestr.c @@ -0,0 +1,59 @@ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * 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. + * 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 + +#include +#include + +/* + * Find the first occurrence of find in s, ignore case. + */ +char * +strcasestr(const char *s, const char *find) +{ + char c, sc; + size_t len; + + if ((c = *find++) != 0) { + c = tolower((unsigned char)c); + len = strlen(find); + do { + do { + if ((sc = *s++) == 0) + return (NULL); + } while ((char)tolower((unsigned char)sc) != c); + } while (strncasecmp(s, find, len) != 0); + s--; + } + return ((char *)s); +} diff --git a/lib/libc/other/strnstr.c b/lib/libc/other/strnstr.c new file mode 100644 index 000000000..ee198fab3 --- /dev/null +++ b/lib/libc/other/strnstr.c @@ -0,0 +1,64 @@ +/*- + * Copyright (c) 2001 Mike Barcroft + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * 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. + * 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)strstr.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include + +#include + +/* + * Find the first occurrence of find in s, where the search is limited to the + * first slen characters of s. + */ +char * +strnstr(const char *s, const char *find, size_t slen) +{ + char c, sc; + size_t len; + + if ((c = *find++) != '\0') { + len = strlen(find); + do { + do { + if (slen-- < 1 || (sc = *s++) == '\0') + return (NULL); + } while (sc != c); + if (len > slen) + return (NULL); + } while (strncmp(s, find, len) != 0); + s--; + } + return ((char *)s); +} diff --git a/lib/libutil/Makefile b/lib/libutil/Makefile index 0076ba223..5101ba878 100644 --- a/lib/libutil/Makefile +++ b/lib/libutil/Makefile @@ -3,6 +3,6 @@ LIB= util SRCS= openpty.c sha2.c efun.c \ - sha1.c sha1hl.c sha2.c md5c.c md5hl.c + sha1.c sha1hl.c sha2.c sha2hl.c md5c.c md5hl.c .include