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
cil_malloc(size_t size)37 void *cil_malloc(size_t size)
38 {
39 void *mem = malloc(size);
40 if (mem == NULL){
41 if (size == 0) {
42 return NULL;
43 }
44 cil_log(CIL_ERR, "Failed to allocate memory\n");
45 exit(1);
46 }
47
48 return mem;
49 }
50
cil_calloc(size_t num_elements,size_t element_size)51 void *cil_calloc(size_t num_elements, size_t element_size)
52 {
53 void *mem = calloc(num_elements, element_size);
54 if (mem == NULL){
55 cil_log(CIL_ERR, "Failed to allocate memory\n");
56 exit(1);
57 }
58
59 return mem;
60 }
61
cil_realloc(void * ptr,size_t size)62 void *cil_realloc(void *ptr, size_t size)
63 {
64 void *mem = realloc(ptr, size);
65 if (mem == NULL){
66 if (size == 0) {
67 return NULL;
68 }
69 cil_log(CIL_ERR, "Failed to allocate memory\n");
70 exit(1);
71 }
72
73 return mem;
74 }
75
76
cil_strdup(const char * str)77 char *cil_strdup(const char *str)
78 {
79 char *mem = NULL;
80
81 if (str == NULL) {
82 return NULL;
83 }
84
85 mem = strdup(str);
86 if (mem == NULL) {
87 cil_log(CIL_ERR, "Failed to allocate memory\n");
88 exit(1);
89 }
90
91 return mem;
92 }
93
cil_asprintf(char ** strp,const char * fmt,...)94 __attribute__ ((format (printf, 2, 3))) int cil_asprintf(char **strp, const char *fmt, ...)
95 {
96 int rc;
97 va_list ap;
98
99 va_start(ap, fmt);
100 rc = vasprintf(strp, fmt, ap);
101 va_end(ap);
102
103 if (rc == -1) {
104 cil_log(CIL_ERR, "Failed to allocate memory\n");
105 exit(1);
106 }
107
108 return rc;
109 }
110