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/***************************************************************************
* strcasecmp.c -- strcasecmp and strncasecmp for systems (like Windows) *
* which do not already have them. *
* *
***********************IMPORTANT NMAP LICENSE TERMS************************
*
* The Nmap Security Scanner is (C) 1996-2023 Nmap Software LLC ("The Nmap
* Project"). Nmap is also a registered trademark of the Nmap Project.
*
* This program is distributed under the terms of the Nmap Public Source
* License (NPSL). The exact license text applying to a particular Nmap
* release or source code control revision is contained in the LICENSE
* file distributed with that version of Nmap or source code control
* revision. More Nmap copyright/legal information is available from
* https://nmap.org/book/man-legal.html, and further information on the
* NPSL license itself can be found at https://nmap.org/npsl/ . This
* header summarizes some key points from the Nmap license, but is no
* substitute for the actual license text.
*
* Nmap is generally free for end users to download and use themselves,
* including commercial use. It is available from https://nmap.org.
*
* The Nmap license generally prohibits companies from using and
* redistributing Nmap in commercial products, but we sell a special Nmap
* OEM Edition with a more permissive license and special features for
* this purpose. See https://nmap.org/oem/
*
* If you have received a written Nmap license agreement or contract
* stating terms other than these (such as an Nmap OEM license), you may
* choose to use and redistribute Nmap under those terms instead.
*
* The official Nmap Windows builds include the Npcap software
* (https://npcap.com) for packet capture and transmission. It is under
* separate license terms which forbid redistribution without special
* permission. So the official Nmap Windows builds may not be redistributed
* without special permission (such as an Nmap OEM license).
*
* Source is provided to this software because we believe users have a
* right to know exactly what a program is going to do before they run it.
* This also allows you to audit the software for security holes.
*
* Source code also allows you to port Nmap to new platforms, fix bugs, and add
* new features. You are highly encouraged to submit your changes as a Github PR
* or by email to the dev@nmap.org mailing list for possible incorporation into
* the main distribution. Unless you specify otherwise, it is understood that
* you are offering us very broad rights to use your submissions as described in
* the Nmap Public Source License Contributor Agreement. This is important
* because we fund the project by selling licenses with various terms, and also
* because the inability to relicense code has caused devastating problems for
* other Free Software projects (such as KDE and NASM).
*
* The free version of Nmap is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Warranties,
* indemnification and commercial support are all available through the
* Npcap OEM program--see https://nmap.org/oem/
*
***************************************************************************/
/* $Id$ */
#if !defined(HAVE_STRCASECMP) || !defined(HAVE_STRNCASECMP)
#include <stdlib.h>
#include <string.h>
#include "nbase.h"
#endif
#ifndef HAVE_STRCASECMP
int strcasecmp(const char *s1, const char *s2)
{
int i, ret;
char *cp1, *cp2;
cp1 = safe_malloc(strlen(s1) + 1);
cp2 = safe_malloc(strlen(s2) + 1);
for (i = 0; i < strlen(s1) + 1; i++)
cp1[i] = tolower((int) (unsigned char) s1[i]);
for (i = 0; i < strlen(s2) + 1; i++)
cp2[i] = tolower((int) (unsigned char) s2[i]);
ret = strcmp(cp1, cp2);
free(cp1);
free(cp2);
return ret;
}
#endif
#ifndef HAVE_STRNCASECMP
int strncasecmp(const char *s1, const char *s2, size_t n)
{
int i, ret;
char *cp1, *cp2;
cp1 = safe_malloc(strlen(s1) + 1);
cp2 = safe_malloc(strlen(s2) + 1);
for (i = 0; i < strlen(s1) + 1; i++)
cp1[i] = tolower((int) (unsigned char) s1[i]);
for (i = 0; i < strlen(s2) + 1; i++)
cp2[i] = tolower((int) (unsigned char) s2[i]);
ret = strncmp(cp1, cp2, n);
free(cp1);
free(cp2);
return ret;
}
#endif
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