diff options
Diffstat (limited to 'engines/sword25/util/pluto/plzio.cpp')
-rw-r--r-- | engines/sword25/util/pluto/plzio.cpp | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/engines/sword25/util/pluto/plzio.cpp b/engines/sword25/util/pluto/plzio.cpp deleted file mode 100644 index 21f69a9e8d..0000000000 --- a/engines/sword25/util/pluto/plzio.cpp +++ /dev/null @@ -1,74 +0,0 @@ -/* -** $Id$ -** a generic input stream interface -** See Copyright Notice in lua.h -*/ - - -#include <string.h> - -#define lzio_c -#define LUA_CORE - -#include "pdep/pdep.h" - -int pdep_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 pdep_lookahead (ZIO *z) { - if (z->n == 0) { - if (pdep_fill(z) == EOZ) - return EOZ; - else { - z->n++; /* pdep_fill removed first byte; put back it */ - z->p--; - } - } - return char2int(*z->p); -} - - -void pdep_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 pdep_read (ZIO *z, void *b, size_t n) { - while (n) { - size_t m; - if (pdep_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 *pdep_openspace (lua_State *L, Mbuffer *buff, size_t n) { - if (n > buff->buffsize) { - if (n < LUA_MINBUFFER) n = LUA_MINBUFFER; - pdep_resizebuffer(L, buff, n); - } - return buff->buffer; -} |