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xstd.h
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1/* xstd.h: Wrappers for functions in C standard library
2 Was: xmem, xfile */
3
4/* These call the corresponding function in the standard library, and
5 abort if those routines fail. */
6
7#ifndef XSTD_H
8#define XSTD_H
9
10#include "types.h"
11#include <assert.h>
12#include <stdlib.h>
13
14/*
15 * XMEM
16 */
17#ifndef __cplusplus
18#define XMALLOC(new_mem, size) \
19do \
20 { \
21 assert(size); \
22 new_mem = (gpointer) malloc (size); \
23 assert(new_mem); \
24 } while (0)
25
26#define XCALLOC(new_mem, size) \
27do \
28 { \
29 assert(size); \
30 new_mem = (gpointer) calloc (size, 1); \
31 assert(new_mem); \
32 } while (0)
33
34#define XREALLOC(old_ptr, size) \
35do \
36 { \
37 gpointer new_mem; \
38 \
39 if (old_ptr == NULL) \
40 XMALLOC (new_mem, size); \
41 else \
42 { \
43 new_mem = (gpointer) realloc (old_ptr, size); \
44 assert(new_mem); \
45 } \
46 \
47 old_ptr = new_mem; \
48} while (0)
49
50#else
51/* Use templates if Cplusplus... */
52#define XMALLOC(new_mem, size) \
53do \
54 { \
55 assert(size); \
56 (gpointer&)(new_mem) = (gpointer) malloc (size); \
57 assert(new_mem); \
58 } while (0)
59
60#define XCALLOC(new_mem, sizex) \
61do \
62 { \
63 assert(sizex); \
64 (gpointer&)(new_mem) = (void *) calloc (sizex, 1); \
65 assert(new_mem); \
66 } while (0)
67
68#define XREALLOC(old_ptr, size) \
69do \
70 { \
71 gpointer new_mem; \
72 \
73 if (old_ptr == NULL) \
74 XMALLOC (new_mem, (size)); \
75 else \
76 { \
77 (gpointer&) new_mem = (gpointer) realloc ((old_ptr), (size)); \
78 assert(new_mem); \
79 } \
80 \
81 (gpointer&)old_ptr = new_mem; \
82 } while (0)
83#endif
84
85#endif /* Not XSTD_H */