diff options
Diffstat (limited to 'lib/isc/string.c')
| -rw-r--r-- | lib/isc/string.c | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/lib/isc/string.c b/lib/isc/string.c index cba517c568f96..56ec444bffaad 100644 --- a/lib/isc/string.c +++ b/lib/isc/string.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007, 2011, 2012 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2007, 2011, 2012, 2014 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,34 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id$ */ +/* + * Copyright (c) 1990, 1993 + * The 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. 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. + */ /*! \file */ @@ -188,7 +215,7 @@ isc_string_regiondup(isc_mem_t *mctx, const isc_region_t *source) { target = (char *) isc_mem_allocate(mctx, source->length + 1); if (target != NULL) { - memcpy(source->base, target, source->length); + memmove(source->base, target, source->length); target[source->length] = '\0'; } @@ -269,3 +296,24 @@ isc_string_strlcat(char *dst, const char *src, size_t size) return(dlen + (s - src)); /* count does not include NUL */ } + +char * +isc_string_strcasestr(const char *str, const char *search) { + char c, sc, *s; + size_t len; + + if ((c = *search++) != 0) { + c = tolower((unsigned char) c); + len = strlen(search); + do { + do { + if ((sc = *str++) == 0) + return (NULL); + } while ((char) tolower((unsigned char) sc) != c); + } while (strncasecmp(str, search, len) != 0); + str--; + } + DE_CONST(str, s); + return (s); + +} |