[unix-history] / share / zoneinfo / ialloc.c

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Arthur David Olson of the National Cancer Institute.
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 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.
 */

#ifndef lint
static char sccsid[] = "@(#)ialloc.c	5.3 (Berkeley) 4/20/91";
#endif /* not lint */

#ifdef notdef
static char	elsieid[] = "@(#)ialloc.c	8.18";
#endif

/*LINTLIBRARY*/

#include <string.h>
#include <stdlib.h>

#ifdef MAL
#define NULLMAL(x)	((x) == NULL || (x) == MAL)
#else /* !defined MAL */
#define NULLMAL(x)	((x) == NULL)
#endif /* !defined MAL */

#define nonzero(n)	(((n) == 0) ? 1 : (n))

char *	icalloc __P((int nelem, int elsize));
char *	icatalloc __P((char * old, const char * new));
char *	icpyalloc __P((const char * string));
char *	imalloc __P((int n));
char *	irealloc __P((char * pointer, int size));
void	ifree __P((char * pointer));

char *
imalloc(n)
const int	n;
{
#ifdef MAL
	register char *	result;

	result = malloc((size_t) nonzero(n));
	return NULLMAL(result) ? NULL : result;
#else /* !defined MAL */
	return malloc((size_t) nonzero(n));
#endif /* !defined MAL */
}

char *
icalloc(nelem, elsize)
int	nelem;
int	elsize;
{
	if (nelem == 0 || elsize == 0)
		nelem = elsize = 1;
	return calloc((size_t) nelem, (size_t) elsize);
}

char *
irealloc(pointer, size)
char * const	pointer;
const int	size;
{
	if (NULLMAL(pointer))
		return imalloc(size);
	return realloc((void *) pointer, (size_t) nonzero(size));
}

char *
icatalloc(old, new)
char * const		old;
const char * const	new;
{
	register char *	result;
	register	oldsize, newsize;

	newsize = NULLMAL(new) ? 0 : strlen(new);
	if (NULLMAL(old))
		oldsize = 0;
	else if (newsize == 0)
		return old;
	else	oldsize = strlen(old);
	if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
		if (!NULLMAL(new))
			(void) strcpy(result + oldsize, new);
	return result;
}

char *
icpyalloc(string)
const char * const	string;
{
	return icatalloc((char *) NULL, string);
}

void
ifree(p)
char * const	p;
{
	if (!NULLMAL(p))
		(void) free(p);
}

void
icfree(p)
char * const	p;
{
	if (!NULLMAL(p))
		(void) free(p);
}
Commit	Line	Data
15637ed4 RG	1	/*-
	2	* Copyright (c) 1991 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* This code is derived from software contributed to Berkeley by
	6	* Arthur David Olson of the National Cancer Institute.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
	16	* 3. All advertising materials mentioning features or use of this software
	17	* must display the following acknowledgement:
	18	* This product includes software developed by the University of
	19	* California, Berkeley and its contributors.
	20	* 4. Neither the name of the University nor the names of its contributors
	21	* may be used to endorse or promote products derived from this software
	22	* without specific prior written permission.
	23	*
	24	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	25	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	26	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	27	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	28	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	29	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	30	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	31	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	32	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	33	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	34	* SUCH DAMAGE.
	35	*/
	36
	37	#ifndef lint
	38	static char sccsid[] = "@(#)ialloc.c 5.3 (Berkeley) 4/20/91";
	39	#endif /* not lint */
	40
	41	#ifdef notdef
	42	static char elsieid[] = "@(#)ialloc.c 8.18";
	43	#endif
	44
	45	/LINTLIBRARY/
	46
	47	#include <string.h>
	48	#include <stdlib.h>
	49
	50	#ifdef MAL
	51	#define NULLMAL(x) ((x) == NULL \|\| (x) == MAL)
	52	#else /* !defined MAL */
	53	#define NULLMAL(x) ((x) == NULL)
	54	#endif /* !defined MAL */
	55
	56	#define nonzero(n) (((n) == 0) ? 1 : (n))
	57
	58	char * icalloc __P((int nelem, int elsize));
	59	char * icatalloc __P((char * old, const char * new));
	60	char * icpyalloc __P((const char * string));
	61	char * imalloc __P((int n));
	62	char * irealloc __P((char * pointer, int size));
	63	void ifree __P((char * pointer));
	64
65	char *
66	imalloc(n)
67	const int n;
68	{
69	#ifdef MAL
70	register char * result;
71
72	result = malloc((size_t) nonzero(n));
73	return NULLMAL(result) ? NULL : result;
74	#else /* !defined MAL */
75	return malloc((size_t) nonzero(n));
76	#endif /* !defined MAL */
77	}
78
79	char *
80	icalloc(nelem, elsize)
81	int nelem;
82	int elsize;
83	{
84	if (nelem == 0 \|\| elsize == 0)
85	nelem = elsize = 1;
86	return calloc((size_t) nelem, (size_t) elsize);
87	}
88
89	char *
90	irealloc(pointer, size)
91	char * const pointer;
92	const int size;
93	{
94	if (NULLMAL(pointer))
95	return imalloc(size);
96	return realloc((void *) pointer, (size_t) nonzero(size));
97	}
98
99	char *
100	icatalloc(old, new)
101	char * const old;
102	const char * const new;
103	{
104	register char * result;
105	register oldsize, newsize;
106
107	newsize = NULLMAL(new) ? 0 : strlen(new);
108	if (NULLMAL(old))
109	oldsize = 0;
110	else if (newsize == 0)
111	return old;
112	else oldsize = strlen(old);
113	if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
114	if (!NULLMAL(new))
115	(void) strcpy(result + oldsize, new);
116	return result;
117	}
118
119	char *
120	icpyalloc(string)
121	const char * const string;
122	{
123	return icatalloc((char *) NULL, string);
124	}
125
126	void
127	ifree(p)
128	char * const p;
129	{
130	if (!NULLMAL(p))
131	(void) free(p);
132	}
133
134	void
135	icfree(p)
136	char * const p;
137	{
138	if (!NULLMAL(p))
139	(void) free(p);
140	}