forked from obuchtala/swig
/
cmalloc.i
110 lines (93 loc) · 2.3 KB
/
cmalloc.i
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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
/* -----------------------------------------------------------------------------
* cmalloc.i
*
* SWIG library file containing macros that can be used to create objects using
* the C malloc function.
* ----------------------------------------------------------------------------- */
%{
#include <stdlib.h>
%}
/* %malloc(TYPE [, NAME = TYPE])
%calloc(TYPE [, NAME = TYPE])
%realloc(TYPE [, NAME = TYPE])
%free(TYPE [, NAME = TYPE])
%allocators(TYPE [,NAME = TYPE])
Creates functions for allocating/reallocating memory.
TYPE *malloc_NAME(int nbytes = sizeof(TYPE);
TYPE *calloc_NAME(int nobj=1, int size=sizeof(TYPE));
TYPE *realloc_NAME(TYPE *ptr, int nbytes);
void free_NAME(TYPE *ptr);
*/
%define %malloc(TYPE,NAME...)
#if #NAME != ""
%rename(malloc_##NAME) ::malloc(int nbytes);
#else
%rename(malloc_##TYPE) ::malloc(int nbytes);
#endif
#if #TYPE != "void"
%typemap(default) int nbytes "$1 = (int) sizeof(TYPE);"
#endif
TYPE *malloc(int nbytes);
%typemap(default) int nbytes;
%enddef
%define %calloc(TYPE,NAME...)
#if #NAME != ""
%rename(calloc_##NAME) ::calloc(int nobj, int sz);
#else
%rename(calloc_##TYPE) ::calloc(int nobj, int sz);
#endif
#if #TYPE != "void"
%typemap(default) int sz "$1 = (int) sizeof(TYPE);"
#else
%typemap(default) int sz "$1 = 1;"
#endif
%typemap(default) int nobj "$1 = 1;"
TYPE *calloc(int nobj, int sz);
%typemap(default) int sz;
%typemap(default) int nobj;
%enddef
%define %realloc(TYPE,NAME...)
%insert("header") {
#if #NAME != ""
TYPE *realloc_##NAME(TYPE *ptr, int nitems)
#else
TYPE *realloc_##TYPE(TYPE *ptr, int nitems)
#endif
{
#if #TYPE != "void"
return (TYPE *) realloc(ptr, nitems*sizeof(TYPE));
#else
return (TYPE *) realloc(ptr, nitems);
#endif
}
}
#if #NAME != ""
TYPE *realloc_##NAME(TYPE *ptr, int nitems);
#else
TYPE *realloc_##TYPE(TYPE *ptr, int nitems);
#endif
%enddef
%define %free(TYPE,NAME...)
#if #NAME != ""
%rename(free_##NAME) ::free(TYPE *ptr);
#else
%rename(free_##TYPE) ::free(TYPE *ptr);
#endif
void free(TYPE *ptr);
%enddef
%define %sizeof(TYPE,NAME...)
#if #NAME != ""
%constant int sizeof_##NAME = sizeof(TYPE);
#else
%constant int sizeof_##TYPE = sizeof(TYPE);
#endif
%enddef
%define %allocators(TYPE,NAME...)
%malloc(TYPE,NAME)
%calloc(TYPE,NAME)
%realloc(TYPE,NAME)
%free(TYPE,NAME)
#if #TYPE != "void"
%sizeof(TYPE,NAME)
#endif
%enddef