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To make it easier to port lua and some of the lua modules, we have a series of routines to implement the stdio routines, even though we don't normally implement them in the boot loader. Add a comment to this effect. Also, some tools, like sanitizers and static analysis tools, make unwarranted assumptions about these, so #define them to a different name so they stop. Sponsored by: Netflix
103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
/*-
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* Copyright (c) 2014 Pedro Souza <pedrosouza@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef LSTD_H
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#define LSTD_H
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#include <stand.h>
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#include <sys/types.h>
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#include <sys/stdint.h>
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#include <limits.h>
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#include <string.h>
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#include <machine/stdarg.h>
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/*
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* Mini stdio FILE and DIR routines. These are the minimal routines needed by
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* the lfs module and lua's base code. We define them minimally here so we don't
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* have to modify lua on every import. Further, since they aren't completely
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* standard, we #define them to other names so they don't conflict with other
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* tooling that makes assumptions about these routines that might not be, in
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* fact, correct.
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*/
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typedef struct FILE
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{
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int fd;
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size_t offset;
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size_t size;
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} FILE;
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typedef struct DIR
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{
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int fd;
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} DIR;
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#define fopen lua_loader_fopen
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#define freopen lua_loader_freopen
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#define fread lua_loader_fread
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#define fwrite lua_loader_fwrite
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#define fclose lua_loader_fclose
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#define ferror lua_loader_ferror
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#define feof lua_loader_feof
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#define getc lua_loader_getc
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#define opendir lua_loader_opendir
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#define fdopendir lua_loader_fdopendir
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#define closedir lua_loader_closedir
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FILE *fopen(const char *filename, const char *mode);
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FILE *freopen( const char *filename, const char *mode, FILE *stream);
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size_t fread(void *ptr, size_t size, size_t count, FILE *stream);
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size_t fwrite(const void *ptr, size_t size, size_t count, FILE *stream);
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int fclose(FILE *stream);
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int ferror(FILE *stream);
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int feof(FILE *stream);
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int getc(FILE * stream);
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DIR *opendir(const char *name);
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DIR *fdopendir(int fd);
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int closedir(DIR *);
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#ifndef EOF
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#define EOF (-1)
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#endif
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#define stdin ((FILE*)NULL)
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#define stdout 1
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#ifndef BUFSIZ
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#define BUFSIZ 512
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#endif
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#define lua_writestringerror(s, p) do { printf((s), (p)); } while (0)
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void luai_writestring(const char *, int);
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#define lua_writestring(s,l) luai_writestring(s,l)
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#define fflush /* */
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#define fgets(b, l, s) fgetstr((b), (l), 0)
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#endif /* LSTD_H */
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