forked from len0rd/rockbox
Revert "Update lua plugin to 5.2.3"
FILE typedef to *void needs more work to not break sim and application builds. I checked only a few random native builds unfortunately. Sorry for inconvenience.
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36378988ad
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64 changed files with 5733 additions and 9088 deletions
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@ -1,6 +1,6 @@
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/*
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** $Id: lzio.c,v 1.35.1.1 2013/04/12 18:48:47 roberto Exp $
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** Buffered streams
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** $Id: lzio.c,v 1.31.1.1 2007/12/27 13:02:25 roberto Exp $
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** a generic input stream interface
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** See Copyright Notice in lua.h
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*/
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@ -25,11 +25,23 @@ int luaZ_fill (ZIO *z) {
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lua_unlock(L);
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buff = z->reader(L, z->data, &size);
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lua_lock(L);
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if (buff == NULL || size == 0)
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return EOZ;
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z->n = size - 1; /* discount char being returned */
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if (buff == NULL || size == 0) return EOZ;
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z->n = size - 1;
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z->p = buff;
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return cast_uchar(*(z->p++));
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return char2int(*(z->p++));
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}
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int luaZ_lookahead (ZIO *z) {
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if (z->n == 0) {
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if (luaZ_fill(z) == EOZ)
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return EOZ;
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else {
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z->n++; /* luaZ_fill removed first byte; put back it */
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z->p--;
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}
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}
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return char2int(*z->p);
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}
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@ -46,14 +58,8 @@ void luaZ_init (lua_State *L, ZIO *z, lua_Reader reader, void *data) {
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size_t luaZ_read (ZIO *z, void *b, size_t n) {
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while (n) {
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size_t m;
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if (z->n == 0) { /* no bytes in buffer? */
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if (luaZ_fill(z) == EOZ) /* try to read more */
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return n; /* no more input; return number of missing bytes */
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else {
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z->n++; /* luaZ_fill consumed first byte; put it back */
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z->p--;
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}
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}
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if (luaZ_lookahead(z) == EOZ)
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return n; /* return number of missing bytes */
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m = (n <= z->n) ? n : z->n; /* min. between n and z->n */
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memcpy(b, z->p, m);
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z->n -= m;
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