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author | Steven Noonan <steven@uplinklabs.net> | 2009-10-14 01:05:00 -0700 |
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committer | Steven Noonan <steven@uplinklabs.net> | 2009-10-14 21:33:59 -0700 |
commit | 9d51433ef6329e65938c5655586ea915493ba8ac (patch) | |
tree | a904d02f87629deaddb5cca83ff205eb836e53ba /crawl-ref/source/util/lua/src/lzio.c | |
parent | 59134ed3b2808e4e48ecc64ed8579b84431af057 (diff) | |
download | crawl-ref-9d51433ef6329e65938c5655586ea915493ba8ac.tar.gz crawl-ref-9d51433ef6329e65938c5655586ea915493ba8ac.zip |
contribs: moved to contribs dir, added as submodules
Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Diffstat (limited to 'crawl-ref/source/util/lua/src/lzio.c')
-rw-r--r-- | crawl-ref/source/util/lua/src/lzio.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/crawl-ref/source/util/lua/src/lzio.c b/crawl-ref/source/util/lua/src/lzio.c deleted file mode 100644 index 293edd59b0..0000000000 --- a/crawl-ref/source/util/lua/src/lzio.c +++ /dev/null @@ -1,82 +0,0 @@ -/* -** $Id: lzio.c,v 1.31.1.1 2007/12/27 13:02:25 roberto Exp $ -** a generic input stream interface -** See Copyright Notice in lua.h -*/ - - -#include <string.h> - -#define lzio_c -#define LUA_CORE - -#include "lua.h" - -#include "llimits.h" -#include "lmem.h" -#include "lstate.h" -#include "lzio.h" - - -int luaZ_fill (ZIO *z) { - size_t size; - lua_State *L = z->L; - const char *buff; - lua_unlock(L); - buff = z->reader(L, z->data, &size); - lua_lock(L); - if (buff == NULL || size == 0) return EOZ; - z->n = size - 1; - z->p = buff; - return char2int(*(z->p++)); -} - - -int luaZ_lookahead (ZIO *z) { - if (z->n == 0) { - if (luaZ_fill(z) == EOZ) - return EOZ; - else { - z->n++; /* luaZ_fill removed first byte; put back it */ - z->p--; - } - } - return char2int(*z->p); -} - - -void luaZ_init (lua_State *L, ZIO *z, lua_Reader reader, void *data) { - z->L = L; - z->reader = reader; - z->data = data; - z->n = 0; - z->p = NULL; -} - - -/* --------------------------------------------------------------- read --- */ -size_t luaZ_read (ZIO *z, void *b, size_t n) { - while (n) { - size_t m; - if (luaZ_lookahead(z) == EOZ) - return n; /* return number of missing bytes */ - m = (n <= z->n) ? n : z->n; /* min. between n and z->n */ - memcpy(b, z->p, m); - z->n -= m; - z->p += m; - b = (char *)b + m; - n -= m; - } - return 0; -} - -/* ------------------------------------------------------------------------ */ -char *luaZ_openspace (lua_State *L, Mbuffer *buff, size_t n) { - if (n > buff->buffsize) { - if (n < LUA_MINBUFFER) n = LUA_MINBUFFER; - luaZ_resizebuffer(L, buff, n); - } - return buff->buffer; -} - - |