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920dae64 AT |
1 | /* ----------------------------------------------------------------------------- |
2 | * cmalloc.i | |
3 | * | |
4 | * Author(s): David Beazley (beazley@cs.uchicago.edu) | |
5 | * | |
6 | * This library file contains macros that can be used to create objects using | |
7 | * the C malloc function. | |
8 | * | |
9 | * $Header: /cvsroot/swig/SWIG/Lib/cmalloc.i,v 1.5 2004/11/28 19:15:04 wsfulton Exp $ | |
10 | * ----------------------------------------------------------------------------- */ | |
11 | ||
12 | %{ | |
13 | #include <stdlib.h> | |
14 | %} | |
15 | ||
16 | /* %malloc(TYPE [, NAME = TYPE]) | |
17 | %calloc(TYPE [, NAME = TYPE]) | |
18 | %realloc(TYPE [, NAME = TYPE]) | |
19 | %free(TYPE [, NAME = TYPE]) | |
20 | %allocators(TYPE [,NAME = TYPE]) | |
21 | ||
22 | Creates functions for allocating/reallocating memory. | |
23 | ||
24 | TYPE *malloc_NAME(int nbytes = sizeof(TYPE); | |
25 | TYPE *calloc_NAME(int nobj=1, int size=sizeof(TYPE)); | |
26 | TYPE *realloc_NAME(TYPE *ptr, int nbytes); | |
27 | void free_NAME(TYPE *ptr); | |
28 | ||
29 | */ | |
30 | ||
31 | %define %malloc(TYPE,NAME...) | |
32 | #if #NAME != "" | |
33 | %rename(malloc_##NAME) ::malloc(int nbytes); | |
34 | #else | |
35 | %rename(malloc_##TYPE) ::malloc(int nbytes); | |
36 | #endif | |
37 | ||
38 | #if #TYPE != "void" | |
39 | %typemap(default) int nbytes "$1 = (int) sizeof(TYPE);" | |
40 | #endif | |
41 | TYPE *malloc(int nbytes); | |
42 | %typemap(default) int nbytes; | |
43 | %enddef | |
44 | ||
45 | %define %calloc(TYPE,NAME...) | |
46 | #if #NAME != "" | |
47 | %rename(calloc_##NAME) ::calloc(int nobj, int sz); | |
48 | #else | |
49 | %rename(calloc_##TYPE) ::calloc(int nobj, int sz); | |
50 | #endif | |
51 | #if #TYPE != "void" | |
52 | %typemap(default) int sz "$1 = (int) sizeof(TYPE);" | |
53 | #else | |
54 | %typemap(default) int sz "$1 = 1;" | |
55 | #endif | |
56 | %typemap(default) int nobj "$1 = 1;" | |
57 | TYPE *calloc(int nobj, int sz); | |
58 | %typemap(default) int sz; | |
59 | %typemap(default) int nobj; | |
60 | %enddef | |
61 | ||
62 | %define %realloc(TYPE,NAME...) | |
63 | %insert("header") { | |
64 | #if #NAME != "" | |
65 | TYPE *realloc_##NAME(TYPE *ptr, int nitems) | |
66 | #else | |
67 | TYPE *realloc_##TYPE(TYPE *ptr, int nitems) | |
68 | #endif | |
69 | { | |
70 | #if #TYPE != "void" | |
71 | return (TYPE *) realloc(ptr, nitems*sizeof(TYPE)); | |
72 | #else | |
73 | return (TYPE *) realloc(ptr, nitems); | |
74 | #endif | |
75 | } | |
76 | } | |
77 | #if #NAME != "" | |
78 | TYPE *realloc_##NAME(TYPE *ptr, int nitems); | |
79 | #else | |
80 | TYPE *realloc_##TYPE(TYPE *ptr, int nitems); | |
81 | #endif | |
82 | %enddef | |
83 | ||
84 | %define %free(TYPE,NAME...) | |
85 | #if #NAME != "" | |
86 | %rename(free_##NAME) ::free(TYPE *ptr); | |
87 | #else | |
88 | %rename(free_##TYPE) ::free(TYPE *ptr); | |
89 | #endif | |
90 | void free(TYPE *ptr); | |
91 | %enddef | |
92 | ||
93 | %define %sizeof(TYPE,NAME...) | |
94 | #if #NAME != "" | |
95 | %constant int sizeof_##NAME = sizeof(TYPE); | |
96 | #else | |
97 | %constant int sizeof_##TYPE = sizeof(TYPE); | |
98 | #endif | |
99 | %enddef | |
100 | ||
101 | %define %allocators(TYPE,NAME...) | |
102 | %malloc(TYPE,NAME) | |
103 | %calloc(TYPE,NAME) | |
104 | %realloc(TYPE,NAME) | |
105 | %free(TYPE,NAME) | |
106 | #if #TYPE != "void" | |
107 | %sizeof(TYPE,NAME) | |
108 | #endif | |
109 | %enddef | |
110 | ||
111 | ||
112 | ||
113 | ||
114 |