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author | Li Jin <dragon-fly@qq.com> | 2021-04-21 09:36:25 +0800 |
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committer | Li Jin <dragon-fly@qq.com> | 2021-04-21 09:36:25 +0800 |
commit | b7bdf7d5d36825a1a750a74641f6d374dec5d67a (patch) | |
tree | 6b27eb6590e07c07f378305c51d0f5e0779faa83 /src/lua/lzio.c | |
parent | b86e5af605a170a3559df0165eac3cb6b665dc49 (diff) | |
download | yuescript-b7bdf7d5d36825a1a750a74641f6d374dec5d67a.tar.gz yuescript-b7bdf7d5d36825a1a750a74641f6d374dec5d67a.tar.bz2 yuescript-b7bdf7d5d36825a1a750a74641f6d374dec5d67a.zip |
adjust some folder levels.
Diffstat (limited to 'src/lua/lzio.c')
-rw-r--r-- | src/lua/lzio.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/src/lua/lzio.c b/src/lua/lzio.c deleted file mode 100644 index cd0a02d..0000000 --- a/src/lua/lzio.c +++ /dev/null | |||
@@ -1,68 +0,0 @@ | |||
1 | /* | ||
2 | ** $Id: lzio.c $ | ||
3 | ** Buffered streams | ||
4 | ** See Copyright Notice in lua.h | ||
5 | */ | ||
6 | |||
7 | #define lzio_c | ||
8 | #define LUA_CORE | ||
9 | |||
10 | #include "lprefix.h" | ||
11 | |||
12 | |||
13 | #include <string.h> | ||
14 | |||
15 | #include "lua.h" | ||
16 | |||
17 | #include "llimits.h" | ||
18 | #include "lmem.h" | ||
19 | #include "lstate.h" | ||
20 | #include "lzio.h" | ||
21 | |||
22 | |||
23 | int luaZ_fill (ZIO *z) { | ||
24 | size_t size; | ||
25 | lua_State *L = z->L; | ||
26 | const char *buff; | ||
27 | lua_unlock(L); | ||
28 | buff = z->reader(L, z->data, &size); | ||
29 | lua_lock(L); | ||
30 | if (buff == NULL || size == 0) | ||
31 | return EOZ; | ||
32 | z->n = size - 1; /* discount char being returned */ | ||
33 | z->p = buff; | ||
34 | return cast_uchar(*(z->p++)); | ||
35 | } | ||
36 | |||
37 | |||
38 | void luaZ_init (lua_State *L, ZIO *z, lua_Reader reader, void *data) { | ||
39 | z->L = L; | ||
40 | z->reader = reader; | ||
41 | z->data = data; | ||
42 | z->n = 0; | ||
43 | z->p = NULL; | ||
44 | } | ||
45 | |||
46 | |||
47 | /* --------------------------------------------------------------- read --- */ | ||
48 | size_t luaZ_read (ZIO *z, void *b, size_t n) { | ||
49 | while (n) { | ||
50 | size_t m; | ||
51 | if (z->n == 0) { /* no bytes in buffer? */ | ||
52 | if (luaZ_fill(z) == EOZ) /* try to read more */ | ||
53 | return n; /* no more input; return number of missing bytes */ | ||
54 | else { | ||
55 | z->n++; /* luaZ_fill consumed first byte; put it back */ | ||
56 | z->p--; | ||
57 | } | ||
58 | } | ||
59 | m = (n <= z->n) ? n : z->n; /* min. between n and z->n */ | ||
60 | memcpy(b, z->p, m); | ||
61 | z->n -= m; | ||
62 | z->p += m; | ||
63 | b = (char *)b + m; | ||
64 | n -= m; | ||
65 | } | ||
66 | return 0; | ||
67 | } | ||
68 | |||