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ISTRING.H
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1980-01-05
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/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
// $Header: istring.h,v 1.8 89/10/09 14:48:29 linton Exp $
// extends <string.h> to define strdup and strndup too.
#ifndef istring_h
#define istring_h
#include <string.h>
// strdup allocates and returns a duplicate of the given string.
inline char* strdup (const char* s) {
char* dup = new char[strlen(s) + 1];
strcpy(dup, s);
return dup;
}
// strndup allocates and returns a duplicate of the first len
// characters of the given string.
inline char* strndup (const char* s, int len) {
char* dup = new char[len + 1];
strncpy(dup, s, len);
dup[len] = '\0';
return dup;
}
#endif