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121 lines
4.4 KiB
C
121 lines
4.4 KiB
C
/*
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* jinclude.h
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*
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* Copyright (C) 1991-1994, Thomas G. Lane.
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* This file is part of the Independent JPEG Group's software.
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* For conditions of distribution and use, see the accompanying README file.
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*
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* This file exists to provide a single place to fix any problems with
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* including the wrong system include files. (Common problems are taken
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* care of by the standard jconfig symbols, but on really weird systems
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* you may have to edit this file.)
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*
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* NOTE: this file is NOT intended to be included by applications using the
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* JPEG library. Most applications need only include jpeglib.h.
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*/
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#ifdef _WIN32
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#pragma warning(disable : 4018) // signed/unsigned mismatch
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#pragma warning(disable : 4032)
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#pragma warning(disable : 4051)
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#pragma warning(disable : 4057) // slightly different base types
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#pragma warning(disable : 4100) // unreferenced formal parameter
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#pragma warning(disable : 4115)
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#pragma warning(disable : 4125) // decimal digit terminates octal escape sequence
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#pragma warning(disable : 4127) // conditional expression is constant
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#pragma warning(disable : 4136)
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#pragma warning(disable : 4152) // nonstandard extension, function/data pointer conversion in expression
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#pragma warning(disable : 4201)
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#pragma warning(disable : 4214)
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#pragma warning(disable : 4244)
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#pragma warning(disable : 4305) // truncation from const double to float
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#pragma warning(disable : 4310) // cast truncates constant value
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#pragma warning(disable: 4505) // unreferenced local function has been removed
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#pragma warning(disable : 4514)
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#pragma warning(disable : 4702) // unreachable code
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#pragma warning(disable : 4711) // selected for automatic inline expansion
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#pragma warning(disable : 4220) // varargs matches remaining parameters
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#pragma warning(disable : 4761) // integral size mismatch
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#endif
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/* Include auto-config file to find out which system include files we need. */
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#include "../jpeg-6/jconfig.h" /* auto configuration options */
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#define JCONFIG_INCLUDED /* so that jpeglib.h doesn't do it again */
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/*
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* We need the NULL macro and size_t typedef.
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* On an ANSI-conforming system it is sufficient to include <stddef.h>.
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* Otherwise, we get them from <stdlib.h> or <stdio.h>; we may have to
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* pull in <sys/types.h> as well.
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* Note that the core JPEG library does not require <stdio.h>;
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* only the default error handler and data source/destination modules do.
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* But we must pull it in because of the references to FILE in jpeglib.h.
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* You can remove those references if you want to compile without <stdio.h>.
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*/
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#ifdef HAVE_STDDEF_H
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#include <stddef.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef NEED_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#include <stdio.h>
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#ifndef WIN32
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#include <stdint.h>
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typedef int32_t INT32;
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#endif
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/*
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* We need memory copying and zeroing functions, plus strncpy().
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* ANSI and System V implementations declare these in <string.h>.
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* BSD doesn't have the mem() functions, but it does have bcopy()/bzero().
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* Some systems may declare memset and memcpy in <memory.h>.
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*
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* NOTE: we assume the size parameters to these functions are of type size_t.
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* Change the casts in these macros if not!
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*/
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#ifdef NEED_BSD_STRINGS
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#include <strings.h>
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#define MEMZERO(target,size) bzero((void *)(target), (size_t)(size))
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#define MEMCOPY(dest,src,size) bcopy((const void *)(src), (void *)(dest), (size_t)(size))
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#else /* not BSD, assume ANSI/SysV string lib */
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#include <string.h>
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#define MEMZERO(target,size) memset((void *)(target), 0, (size_t)(size))
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#define MEMCOPY(dest,src,size) memcpy((void *)(dest), (const void *)(src), (size_t)(size))
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#endif
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/*
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* In ANSI C, and indeed any rational implementation, size_t is also the
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* type returned by sizeof(). However, it seems there are some irrational
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* implementations out there, in which sizeof() returns an int even though
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* size_t is defined as long or unsigned long. To ensure consistent results
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* we always use this SIZEOF() macro in place of using sizeof() directly.
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*/
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#define SIZEOF(object) ((size_t) sizeof(object))
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/*
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* The modules that use fread() and fwrite() always invoke them through
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* these macros. On some systems you may need to twiddle the argument casts.
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* CAUTION: argument order is different from underlying functions!
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*/
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#define JFREAD(file,buf,sizeofbuf) \
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((size_t) fread((void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file)))
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#define JFWRITE(file,buf,sizeofbuf) \
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((size_t) fwrite((const void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file)))
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