1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 1993 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30 /* LINTLIBRARY */
31
32 #include "unistd.h"
33 #include "sys/types.h"
34 #include "sys/stat.h"
35 #include "errno.h"
36 #include "fcntl.h"
37 #include "stdlib.h"
38 #include "string.h"
39
40 /**
41 ** _Malloc()
42 ** _Realloc()
43 ** _Calloc()
44 ** _Strdup()
45 ** _Free()
46 **/
47
48 #if !defined(TRACE_MALLOC)
49
50 #if defined(__STDC__)
51 void (*lp_alloc_fail_handler)( void ) = 0;
52 #else
53 void (*lp_alloc_fail_handler)() = 0;
54 #endif
55
56 #if defined(__STDC__)
57 typedef void *alloc_type;
58 #else
59 typedef char *alloc_type;
60 #endif
61
62 alloc_type
63 #if defined(__STDC__)
_Malloc(size_t size,const char * file,int line)64 _Malloc (
65 size_t size,
66 const char * file,
67 int line
68 )
69 #else
70 _Malloc (size, file, line)
71 size_t size;
72 char * file;
73 int line;
74 #endif
75 {
76 alloc_type ret = malloc(size);
77
78 if (!ret) {
79 if (lp_alloc_fail_handler)
80 (*lp_alloc_fail_handler)();
81 errno = ENOMEM;
82 }
83 return (ret);
84 }
85
86 alloc_type
87 #if defined(__STDC__)
_Realloc(void * ptr,size_t size,const char * file,int line)88 _Realloc (
89 void * ptr,
90 size_t size,
91 const char * file,
92 int line
93 )
94 #else
95 _Realloc (ptr, size, file, line)
96 char * ptr;
97 size_t size;
98 char * file;
99 int line;
100 #endif
101 {
102 alloc_type ret = realloc(ptr, size);
103
104 if (!ret) {
105 if (lp_alloc_fail_handler)
106 (*lp_alloc_fail_handler)();
107 errno = ENOMEM;
108 }
109 return (ret);
110 }
111
112 alloc_type
113 #if defined(__STDC__)
_Calloc(size_t nelem,size_t elsize,const char * file,int line)114 _Calloc (
115 size_t nelem,
116 size_t elsize,
117 const char * file,
118 int line
119 )
120 #else
121 _Calloc (nelem, elsize, file, line)
122 size_t nelem;
123 size_t elsize;
124 char * file;
125 int line;
126 #endif
127 {
128 alloc_type ret = calloc(nelem, elsize);
129
130 if (!ret) {
131 if (lp_alloc_fail_handler)
132 (*lp_alloc_fail_handler)();
133 errno = ENOMEM;
134 }
135 return (ret);
136 }
137
138 char *
139 #if defined(__STDC__)
_Strdup(const char * s,const char * file,int line)140 _Strdup (
141 const char * s,
142 const char * file,
143 int line
144 )
145 #else
146 _Strdup (s, file, line)
147 char * s;
148 char * file;
149 int line;
150 #endif
151 {
152 char * ret;
153
154 if (!s)
155 return( (char *) 0);
156
157 ret = strdup(s);
158
159 if (!ret) {
160 if (lp_alloc_fail_handler)
161 (*lp_alloc_fail_handler)();
162 errno = ENOMEM;
163 }
164 return (ret);
165 }
166
167 void
168 #if defined(__STDC__)
_Free(void * ptr,const char * file,int line)169 _Free (
170 void * ptr,
171 const char * file,
172 int line
173 )
174 #else
175 _Free (ptr, file, line)
176 char * ptr;
177 char * file;
178 int line;
179 #endif
180 {
181 free (ptr);
182 return;
183 }
184
185 #else
186 # include "mdl.c"
187 #endif
188