1 /*
2 * Copyright 2011 Tresys Technology, LLC. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY TRESYS TECHNOLOGY, LLC ``AS IS'' AND ANY EXPRESS
15 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
17 * EVENT SHALL TRESYS TECHNOLOGY, LLC OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
21 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
22 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
23 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * The views and conclusions contained in the software and documentation are those
26 * of the authors and should not be interpreted as representing official policies,
27 * either expressed or implied, of Tresys Technology, LLC.
28 */
29
30 #include <stdlib.h>
31 #include <stdio.h>
32 #include <stdarg.h>
33 #include <string.h>
34
35 #include "cil_log.h"
36 #include "cil_mem.h"
37
cil_malloc(size_t size)38 void *cil_malloc(size_t size)
39 {
40 void *mem = malloc(size);
41 if (mem == NULL){
42 if (size == 0) {
43 return NULL;
44 }
45 cil_log(CIL_ERR, "Failed to allocate memory\n");
46 exit(1);
47 }
48
49 return mem;
50 }
51
cil_calloc(size_t num_elements,size_t element_size)52 void *cil_calloc(size_t num_elements, size_t element_size)
53 {
54 void *mem = calloc(num_elements, element_size);
55 if (mem == NULL){
56 cil_log(CIL_ERR, "Failed to allocate memory\n");
57 exit(1);
58 }
59
60 return mem;
61 }
62
cil_realloc(void * ptr,size_t size)63 void *cil_realloc(void *ptr, size_t size)
64 {
65 void *mem = realloc(ptr, size);
66 if (mem == NULL){
67 if (size == 0) {
68 return NULL;
69 }
70 cil_log(CIL_ERR, "Failed to allocate memory\n");
71 exit(1);
72 }
73
74 return mem;
75 }
76
77
cil_strdup(const char * str)78 char *cil_strdup(const char *str)
79 {
80 char *mem = NULL;
81
82 if (str == NULL) {
83 return NULL;
84 }
85
86 mem = strdup(str);
87 if (mem == NULL) {
88 cil_log(CIL_ERR, "Failed to allocate memory\n");
89 exit(1);
90 }
91
92 return mem;
93 }
94
cil_asprintf(char ** strp,const char * fmt,...)95 __attribute__ ((format (printf, 2, 3))) int cil_asprintf(char **strp, const char *fmt, ...)
96 {
97 int rc;
98 va_list ap;
99
100 va_start(ap, fmt);
101 rc = vasprintf(strp, fmt, ap);
102 va_end(ap);
103
104 if (rc == -1) {
105 cil_log(CIL_ERR, "Failed to allocate memory\n");
106 exit(1);
107 }
108
109 return rc;
110 }
111