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394d998315
At least in neovim, `│vi:` is not recognized as a modeline because it has no preceding whitespace. After fixing this, opening a file yields an error because `net` is not an option. (`noet`, however, is.)
89 lines
4 KiB
C
89 lines
4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set noet ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╚──────────────────────────────────────────────────────────────────────────────╝
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│ │
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│ Lua │
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│ Copyright © 2004-2021 Lua.org, PUC-Rio. │
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│ │
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│ Permission is hereby granted, free of charge, to any person obtaining │
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│ a copy of this software and associated documentation files (the │
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│ "Software"), to deal in the Software without restriction, including │
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│ without limitation the rights to use, copy, modify, merge, publish, │
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│ distribute, sublicense, and/or sell copies of the Software, and to │
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│ permit persons to whom the Software is furnished to do so, subject to │
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│ the following conditions: │
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│ │
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│ The above copyright notice and this permission notice shall be │
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│ included in all copies or substantial portions of the Software. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, │
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│ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF │
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│ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. │
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│ IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY │
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│ CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, │
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│ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE │
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│ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. │
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│ │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#define lzio_c
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#define LUA_CORE
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#include "libc/str/str.h"
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#include "third_party/lua/llimits.h"
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#include "third_party/lua/lmem.h"
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#include "third_party/lua/lprefix.h"
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#include "third_party/lua/lstate.h"
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#include "third_party/lua/lua.h"
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#include "third_party/lua/lzio.h"
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asm(".ident\t\"\\n\\n\
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Lua 5.4.3 (MIT License)\\n\
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Copyright 1994–2021 Lua.org, PUC-Rio.\"");
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asm(".include \"libc/disclaimer.inc\"");
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int luaZ_fill (ZIO *z) {
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size_t size;
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lua_State *L = z->L;
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const char *buff;
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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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z->p = buff;
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return cast_uchar(*(z->p++));
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}
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void luaZ_init (lua_State *L, ZIO *z, lua_Reader reader, void *data) {
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z->L = L;
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z->reader = reader;
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z->data = data;
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z->n = 0;
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z->p = NULL;
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}
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/* --------------------------------------------------------------- read --- */
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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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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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z->p += m;
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b = (char *)b + m;
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n -= m;
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}
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return 0;
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}
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