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<html><head><title>dlib C++ Library - jinclude.h</title></head><body bgcolor='white'><pre> |
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<font color='#009900'>/*
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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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*/</font>
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<font color='#009900'>/* Include auto-config file to find out which system include files we need. */</font>
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='jconfig.h.html'>jconfig.h</a>" <font color='#009900'>/* auto configuration options */</font>
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<font color='#0000FF'>#define</font> JCONFIG_INCLUDED <font color='#009900'>/* so that jpeglib.h doesn't do it again */</font>
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<font color='#009900'>/*
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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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*/</font>
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<font color='#0000FF'>#ifdef</font> HAVE_STDDEF_H
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<font color='#0000FF'>#include</font> <font color='#5555FF'><</font>stddef.h<font color='#5555FF'>></font>
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<font color='#0000FF'>#endif</font>
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<font color='#0000FF'>#ifdef</font> HAVE_STDLIB_H
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<font color='#0000FF'>#include</font> <font color='#5555FF'><</font>stdlib.h<font color='#5555FF'>></font>
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<font color='#0000FF'>#endif</font>
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<font color='#0000FF'>#ifdef</font> NEED_SYS_TYPES_H
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<font color='#0000FF'>#include</font> <font color='#5555FF'><</font>sys<font color='#5555FF'>/</font>types.h<font color='#5555FF'>></font>
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<font color='#0000FF'>#endif</font>
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<font color='#0000FF'>#include</font> <font color='#5555FF'><</font>stdio.h<font color='#5555FF'>></font>
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<font color='#009900'>/*
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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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*/</font>
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<font color='#0000FF'>#ifdef</font> NEED_BSD_STRINGS
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<font color='#0000FF'>#include</font> <font color='#5555FF'><</font>strings.h<font color='#5555FF'>></font>
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<font color='#0000FF'>#define</font> MEMZERO<font face='Lucida Console'>(</font>target,size<font face='Lucida Console'>)</font> bzero<font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font><font face='Lucida Console'>)</font><font face='Lucida Console'>(</font>target<font face='Lucida Console'>)</font>, <font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font><font face='Lucida Console'>(</font>size<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
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<font color='#0000FF'>#define</font> MEMCOPY<font face='Lucida Console'>(</font>dest,src,size<font face='Lucida Console'>)</font> bcopy<font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'>const</font> <font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font><font face='Lucida Console'>)</font><font face='Lucida Console'>(</font>src<font face='Lucida Console'>)</font>, <font face='Lucida Console'>(</font><font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font><font face='Lucida Console'>)</font><font face='Lucida Console'>(</font>dest<font face='Lucida Console'>)</font>, <font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font><font face='Lucida Console'>(</font>size<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
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<font color='#0000FF'>#else</font> <font color='#009900'>/* not BSD, assume ANSI/SysV string lib */</font>
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<font color='#0000FF'>#include</font> <font color='#5555FF'><</font>string.h<font color='#5555FF'>></font>
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<font color='#0000FF'>#define</font> MEMZERO<font face='Lucida Console'>(</font>target,size<font face='Lucida Console'>)</font> memset<font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font><font face='Lucida Console'>)</font><font face='Lucida Console'>(</font>target<font face='Lucida Console'>)</font>, <font color='#979000'>0</font>, <font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font><font face='Lucida Console'>(</font>size<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
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<font color='#0000FF'>#define</font> MEMCOPY<font face='Lucida Console'>(</font>dest,src,size<font face='Lucida Console'>)</font> memcpy<font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font><font face='Lucida Console'>)</font><font face='Lucida Console'>(</font>dest<font face='Lucida Console'>)</font>, <font face='Lucida Console'>(</font><font color='#0000FF'>const</font> <font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font><font face='Lucida Console'>)</font><font face='Lucida Console'>(</font>src<font face='Lucida Console'>)</font>, <font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font><font face='Lucida Console'>(</font>size<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
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<font color='#0000FF'>#endif</font>
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<font color='#009900'>/*
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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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*/</font>
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<font color='#0000FF'>#define</font> SIZEOF<font face='Lucida Console'>(</font>object<font face='Lucida Console'>)</font> <font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font> <font color='#0000FF'>sizeof</font><font face='Lucida Console'>(</font>object<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
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<font color='#009900'>/*
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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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*/</font>
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<font color='#0000FF'>#define</font> JFREAD<font face='Lucida Console'>(</font>file,buf,sizeofbuf<font face='Lucida Console'>)</font> \
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<font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font> <font color='#BB00BB'>fread</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font><font face='Lucida Console'>)</font> <font face='Lucida Console'>(</font>buf<font face='Lucida Console'>)</font>, <font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font> <font color='#979000'>1</font>, <font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font> <font face='Lucida Console'>(</font>sizeofbuf<font face='Lucida Console'>)</font>, <font face='Lucida Console'>(</font>file<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
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<font color='#0000FF'>#define</font> JFWRITE<font face='Lucida Console'>(</font>file,buf,sizeofbuf<font face='Lucida Console'>)</font> \
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<font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font> <font color='#BB00BB'>fwrite</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'>const</font> <font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font><font face='Lucida Console'>)</font> <font face='Lucida Console'>(</font>buf<font face='Lucida Console'>)</font>, <font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font> <font color='#979000'>1</font>, <font face='Lucida Console'>(</font><font color='#0000FF'><u>size_t</u></font><font face='Lucida Console'>)</font> <font face='Lucida Console'>(</font>sizeofbuf<font face='Lucida Console'>)</font>, <font face='Lucida Console'>(</font>file<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
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</pre></body></html> |