src/common/ealloc.c

#ifndef lint
static const char       RCSid[] = "$Id$";
#endif
/*
 *  ealloc.c - memory routines which call quit on error.
 */

/* ====================================================================
 * The Radiance Software License, Version 1.0
 *
 * Copyright (c) 1990 - 2002 The Regents of the University of California,
 * through Lawrence Berkeley National Laboratory.   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. The end-user documentation included with the redistribution,
 *           if any, must include the following acknowledgment:
 *             "This product includes Radiance software
 *                 (http://radsite.lbl.gov/)
 *                 developed by the Lawrence Berkeley National Laboratory
 *               (http://www.lbl.gov/)."
 *       Alternately, this acknowledgment may appear in the software itself,
 *       if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
 *       and "The Regents of the University of California" must
 *       not be used to endorse or promote products derived from this
 *       software without prior written permission. For written
 *       permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Radiance",
 *       nor may "Radiance" appear in their name, without prior written
 *       permission of Lawrence Berkeley National Laboratory.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 Lawrence Berkeley National Laboratory OR
 * ITS 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
 * information on Lawrence Berkeley National Laboratory, please see
 * <http://www.lbl.gov/>.
 */


#include  <stdio.h>
#include  <stdlib.h>


char *
emalloc(n)                      /* return pointer to n uninitialized bytes */
unsigned int  n;
{
        register char  *cp;
        
        if (n == 0)
                return(NULL);

        if ((cp = (char *)malloc(n)) != NULL)
                return(cp);

        eputs("Out of memory in emalloc\n");
        quit(1);
}


char *
ecalloc(ne, es)                 /* return pointer to initialized memory */
register unsigned int  ne;
unsigned int  es;
{
        register char  *cp;
        
        ne *= es;
        if (ne == 0)
                return(NULL);

        if ((cp = (char *)malloc(ne)) == NULL) {
                eputs("Out of memory in ecalloc\n");
                quit(1);
        }
        cp += ne;
        while (ne--)
                *--cp = 0;
        return(cp);
}


char *
erealloc(cp, n)                 /* reallocate cp to size n */
register char  *cp;
unsigned int  n;
{
        if (n == 0) {
                if (cp != NULL)
                        free(cp);
                return(NULL);
        }

        if (cp == NULL)
                cp = (char *)malloc(n);
        else 
                cp = (char *)realloc((void *)cp, n);

        if (cp != NULL)
                return(cp);

        eputs("Out of memory in erealloc\n");
        quit(1);
}


void
efree(cp)                       /* free memory allocated by above */
char  *cp;
{
        free((char *)cp);
}
Revision:	2.2
Committed:	Sat Feb 22 02:07:22 2003 UTC (21 years, 2 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.1:	+69 -16 lines
Log Message:	Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
#	User	Rev	Content
1	greg	1.1	#ifndef lint
2	greg	2.2	static const char RCSid[] = "$Id$";
3	greg	1.1	#endif
4	greg	1.2	/*
5	greg	1.1	* ealloc.c - memory routines which call quit on error.
6			*/
7
8	greg	2.2	/* ====================================================================
9			* The Radiance Software License, Version 1.0
10			*
11			* Copyright (c) 1990 - 2002 The Regents of the University of California,
12			* through Lawrence Berkeley National Laboratory. All rights reserved.
13			*
14			* Redistribution and use in source and binary forms, with or without
15			* modification, are permitted provided that the following conditions
16			* are met:
17			*
18			* 1. Redistributions of source code must retain the above copyright
19			* notice, this list of conditions and the following disclaimer.
20			*
21			* 2. Redistributions in binary form must reproduce the above copyright
22			* notice, this list of conditions and the following disclaimer in
23			* the documentation and/or other materials provided with the
24			* distribution.
25			*
26			* 3. The end-user documentation included with the redistribution,
27			* if any, must include the following acknowledgment:
28			* "This product includes Radiance software
29			* (http://radsite.lbl.gov/)
30			* developed by the Lawrence Berkeley National Laboratory
31			* (http://www.lbl.gov/)."
32			* Alternately, this acknowledgment may appear in the software itself,
33			* if and wherever such third-party acknowledgments normally appear.
34			*
35			* 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
36			* and "The Regents of the University of California" must
37			* not be used to endorse or promote products derived from this
38			* software without prior written permission. For written
39			* permission, please contact [email protected].
40			*
41			* 5. Products derived from this software may not be called "Radiance",
42			* nor may "Radiance" appear in their name, without prior written
43			* permission of Lawrence Berkeley National Laboratory.
44			*
45			* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
46			* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
48			* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
49			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
50			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
51			* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
52			* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
53			* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
54			* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
55			* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56			* SUCH DAMAGE.
57			* ====================================================================
58			*
59			* This software consists of voluntary contributions made by many
60			* individuals on behalf of Lawrence Berkeley National Laboratory. For more
61			* information on Lawrence Berkeley National Laboratory, please see
62			* <http://www.lbl.gov/>.
63			*/
64
65	greg	1.1
66			#include <stdio.h>
67	greg	2.2	#include <stdlib.h>
68	greg	1.1
69
70			char *
71			emalloc(n) /* return pointer to n uninitialized bytes */
72	greg	2.2	unsigned int n;
73	greg	1.1	{
74			register char *cp;
75
76			if (n == 0)
77			return(NULL);
78
79	greg	2.2	if ((cp = (char *)malloc(n)) != NULL)
80	greg	1.1	return(cp);
81
82			eputs("Out of memory in emalloc\n");
83			quit(1);
84			}
85
86
87			char *
88			ecalloc(ne, es) /* return pointer to initialized memory */
89	greg	2.2	register unsigned int ne;
90			unsigned int es;
91	greg	1.1	{
92			register char *cp;
93
94			ne *= es;
95			if (ne == 0)
96			return(NULL);
97
98	greg	2.2	if ((cp = (char *)malloc(ne)) == NULL) {
99	greg	1.1	eputs("Out of memory in ecalloc\n");
100			quit(1);
101			}
102			cp += ne;
103			while (ne--)
104			*--cp = 0;
105			return(cp);
106			}
107
108
109			char *
110			erealloc(cp, n) /* reallocate cp to size n */
111			register char *cp;
112	greg	2.2	unsigned int n;
113	greg	1.1	{
114			if (n == 0) {
115			if (cp != NULL)
116			free(cp);
117			return(NULL);
118			}
119
120			if (cp == NULL)
121	greg	2.2	cp = (char *)malloc(n);
122	greg	1.1	else
123	greg	2.2	cp = (char )realloc((void )cp, n);
124	greg	1.1
125			if (cp != NULL)
126			return(cp);
127
128			eputs("Out of memory in erealloc\n");
129			quit(1);
130			}
131
132
133	greg	2.2	void
134	greg	1.1	efree(cp) /* free memory allocated by above */
135			char *cp;
136			{
137	greg	2.2	free((char *)cp);
138	greg	1.1	}