1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/* Wrappers for standard storage allocation functions. The tests for zero
size, etc., are necessitated by the way in which the original X11
scan-conversion code was written. */
#include "sys-defines.h"
#include "extern.h"
#include "xmi.h"
#include "mi_spans.h"
#include "mi_api.h"
/* wrapper for malloc() */
voidptr_t
#ifdef _HAVE_PROTOS
mi_xmalloc (size_t size)
#else
mi_xmalloc (size)
size_t size;
#endif
{
voidptr_t p;
if (size == 0)
return (voidptr_t)NULL;
p = (voidptr_t) malloc (size);
if (p == (voidptr_t)NULL)
{
fprintf (stderr, "libxmi: ");
perror ("out of memory");
exit (EXIT_FAILURE);
}
return p;
}
/* wrapper for calloc() */
voidptr_t
#ifdef _HAVE_PROTOS
mi_xcalloc (size_t nmemb, size_t size)
#else
mi_xcalloc (nmemb, size)
size_t nmemb, size;
#endif
{
voidptr_t p;
if (size == 0)
return (voidptr_t)NULL;
p = (voidptr_t) calloc (nmemb, size);
if (p == (voidptr_t)NULL)
{
fprintf (stderr, "libxmi: ");
perror ("out of memory");
exit (EXIT_FAILURE);
}
return p;
}
/* wrapper for realloc() */
voidptr_t
#ifdef _HAVE_PROTOS
mi_xrealloc (voidptr_t p, size_t size)
#else
mi_xrealloc (p, size)
voidptr_t p;
size_t size;
#endif
{
if (!p)
return mi_xmalloc (size);
else
{
if (size == 0)
{
free (p);
return (voidptr_t)NULL;
}
p = (voidptr_t) realloc (p, size);
if (p == (voidptr_t)NULL)
{
fprintf (stderr, "libxmi: ");
perror ("out of memory");
exit (EXIT_FAILURE);
}
return p;
}
}
|
