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141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Arthur David Olson of the National Cancer Institute.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)ialloc.c 8.1 (Berkeley) 6/8/93";
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#endif /* not lint */
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#ifdef notdef
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static char elsieid[] = "@(#)ialloc.c 8.18";
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#endif
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/*LINTLIBRARY*/
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#include <string.h>
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#include <stdlib.h>
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#ifdef MAL
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#define NULLMAL(x) ((x) == NULL || (x) == MAL)
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#else /* !defined MAL */
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#define NULLMAL(x) ((x) == NULL)
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#endif /* !defined MAL */
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#define nonzero(n) (((n) == 0) ? 1 : (n))
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char * icalloc __P((int nelem, int elsize));
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char * icatalloc __P((char * old, const char * new));
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char * icpyalloc __P((const char * string));
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char * imalloc __P((int n));
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char * irealloc __P((char * pointer, int size));
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void ifree __P((char * pointer));
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char *
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imalloc(n)
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const int n;
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{
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#ifdef MAL
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register char * result;
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result = malloc((size_t) nonzero(n));
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return NULLMAL(result) ? NULL : result;
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#else /* !defined MAL */
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return malloc((size_t) nonzero(n));
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#endif /* !defined MAL */
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}
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char *
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icalloc(nelem, elsize)
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int nelem;
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int elsize;
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{
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if (nelem == 0 || elsize == 0)
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nelem = elsize = 1;
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return calloc((size_t) nelem, (size_t) elsize);
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}
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char *
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irealloc(pointer, size)
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char * const pointer;
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const int size;
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{
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if (NULLMAL(pointer))
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return imalloc(size);
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return realloc((void *) pointer, (size_t) nonzero(size));
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}
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char *
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icatalloc(old, new)
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char * const old;
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const char * const new;
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{
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register char * result;
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register oldsize, newsize;
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newsize = NULLMAL(new) ? 0 : strlen(new);
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if (NULLMAL(old))
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oldsize = 0;
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else if (newsize == 0)
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return old;
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else oldsize = strlen(old);
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if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
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if (!NULLMAL(new))
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(void) strcpy(result + oldsize, new);
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return result;
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}
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char *
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icpyalloc(string)
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const char * const string;
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{
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return icatalloc((char *) NULL, string);
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}
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void
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ifree(p)
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char * const p;
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{
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if (!NULLMAL(p))
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(void) free(p);
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}
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void
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icfree(p)
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char * const p;
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{
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if (!NULLMAL(p))
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(void) free(p);
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}
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