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
|
/*
** a generic input stream interface
** See Copyright Notice in lua.h
*/
#include "engines/grim/lua/lzio.h"
#include "common/file.h"
namespace Grim {
int32 zgeteoz(ZIO *) {
return EOZ;
}
ZIO *zopen(ZIO *z, const char *b, int32 size, const char *name) {
if (!b)
return nullptr;
z->n = size;
z->p = (const byte *)b;
z->name = name;
return z;
}
int32 zread (ZIO *z, void *b, int32 n) {
while (n) {
int32 m;
if (z->n == 0) {
return n;
}
m = (n <= z->n) ? n : z->n;
memcpy(b, z->p, m);
z->n -= m;
z->p += m;
b = (char *)b + m;
n -= m;
}
return 0;
}
} // end of namespace Grim
|
