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 /*
24 * Copyright (c) 1992, 1993, 2000 by Sun Microsystems, Inc.
25 * All rights reserved.
26 */
27
28 #pragma ident "%Z%%M% %I% %E% SMI"
29
30 #include <meta.h>
31
32 /*
33 * free
34 */
35 #ifdef _DEBUG_MALLOC_INC
36
37 void
_Free(char * file,int line,void * p)38 _Free(
39 char *file,
40 int line,
41 void *p
42 )
43 {
44 debug_free(file, line, p);
45 }
46
47 #else /* ! _DEBUG_MALLOC_INC */
48
49 void
Free(void * p)50 Free(
51 void *p
52 )
53 {
54 free(p);
55 }
56
57 #endif /* ! _DEBUG_MALLOC_INC */
58
59 /*
60 * malloc
61 */
62 #ifdef _DEBUG_MALLOC_INC
63
64 void *
_Malloc(char * file,int line,size_t s)65 _Malloc(
66 char *file,
67 int line,
68 size_t s
69 )
70 {
71 void *mem;
72
73 mem = debug_malloc(file, line, s);
74 if (mem == NULL) {
75 md_perror("");
76 md_exit(NULL, 1);
77 }
78 return (mem);
79 }
80
81 #else /* ! _DEBUG_MALLOC_INC */
82
83 void *
Malloc(size_t s)84 Malloc(
85 size_t s
86 )
87 {
88 void *mem;
89
90 if ((mem = malloc(s)) == NULL) {
91 md_perror("");
92 md_exit(NULL, 1);
93 }
94 return (mem);
95 }
96
97 #endif /* ! _DEBUG_MALLOC_INC */
98
99 /*
100 * zalloc
101 */
102 #ifdef _DEBUG_MALLOC_INC
103
104 void *
_Zalloc(char * file,int line,size_t s)105 _Zalloc(
106 char *file,
107 int line,
108 size_t s
109 )
110 {
111 return (memset(_Malloc(file, line, s), 0, s));
112 }
113
114 #else /* ! _DEBUG_MALLOC_INC */
115
116 void *
Zalloc(size_t s)117 Zalloc(
118 size_t s
119 )
120 {
121 return (memset(Malloc(s), 0, s));
122 }
123
124 #endif /* ! _DEBUG_MALLOC_INC */
125
126 /*
127 * realloc
128 */
129 #ifdef _DEBUG_MALLOC_INC
130
131 void *
_Realloc(char * file,int line,void * p,size_t s)132 _Realloc(
133 char *file,
134 int line,
135 void *p,
136 size_t s
137 )
138 {
139 if (p == NULL)
140 p = debug_malloc(file, line, s);
141 else
142 p = debug_realloc(file, line, p, s);
143 if (p == NULL) {
144 md_perror("");
145 md_exit(NULL, 1);
146 }
147 return (p);
148 }
149
150 #else /* ! _DEBUG_MALLOC_INC */
151
152 void *
Realloc(void * p,size_t s)153 Realloc(
154 void *p,
155 size_t s
156 )
157 {
158 if ((p = realloc(p, s)) == NULL) {
159 md_perror("");
160 md_exit(NULL, 1);
161 }
162 return (p);
163 }
164
165 #endif /* ! _DEBUG_MALLOC_INC */
166
167 /*
168 * calloc
169 */
170 #ifdef _DEBUG_MALLOC_INC
171
172 void *
_Calloc(char * file,int line,size_t n,size_t s)173 _Calloc(
174 char *file,
175 int line,
176 size_t n,
177 size_t s
178 )
179 {
180 unsigned long total;
181
182 if (n == 0 || s == 0) {
183 total = 0;
184 } else {
185 total = (unsigned long)n * s;
186 /* check for overflow */
187 if (total / n != s)
188 return (NULL);
189 }
190 return (_Zalloc(file, line, total));
191 }
192
193 #else /* ! _DEBUG_MALLOC_INC */
194
195 void *
Calloc(size_t n,size_t s)196 Calloc(
197 size_t n,
198 size_t s
199 )
200 {
201 unsigned long total;
202
203 if (n == 0 || s == 0) {
204 total = 0;
205 } else {
206 total = (unsigned long)n * s;
207 /* check for overflow */
208 if (total / n != s)
209 return (NULL);
210 }
211 return (Zalloc(total));
212 }
213
214 #endif /* ! _DEBUG_MALLOC_INC */
215
216 /*
217 * strdup
218 */
219 #ifdef _DEBUG_MALLOC_INC
220
221 char *
_Strdup(char * file,int line,char * p)222 _Strdup(
223 char *file,
224 int line,
225 char *p
226 )
227 {
228 p = DBstrdup(file, line, p);
229 if (p == NULL) {
230 md_perror("");
231 md_exit(NULL, 1);
232 }
233 return (p);
234 }
235
236 #else /* ! _DEBUG_MALLOC_INC */
237
238 char *
Strdup(char * p)239 Strdup(
240 char *p
241 )
242 {
243 if ((p = strdup(p)) == NULL) {
244 md_perror("");
245 md_exit(NULL, 1);
246 }
247 return (p);
248 }
249
250 #endif /* ! _DEBUG_MALLOC_INC */
251