| /* |
| * jinclude.h |
| * |
| * This file was part of the Independent JPEG Group's software: |
| * Copyright (C) 1991-1994, Thomas G. Lane. |
| * It was modified by The libjpeg-turbo Project to include only code relevant |
| * to libjpeg-turbo. |
| * For conditions of distribution and use, see the accompanying README.ijg |
| * file. |
| * |
| * This file exists to provide a single place to fix any problems with |
| * including the wrong system include files. (Common problems are taken |
| * care of by the standard jconfig symbols, but on really weird systems |
| * you may have to edit this file.) |
| * |
| * NOTE: this file is NOT intended to be included by applications using the |
| * JPEG library. Most applications need only include jpeglib.h. |
| */ |
| |
| |
| /* Include auto-config file to find out which system include files we need. */ |
| |
| #include "jconfig.h" /* auto configuration options */ |
| #define JCONFIG_INCLUDED /* so that jpeglib.h doesn't do it again */ |
| |
| /* |
| * We need the NULL macro and size_t typedef. |
| * On an ANSI-conforming system it is sufficient to include <stddef.h>. |
| * Otherwise, we get them from <stdlib.h> or <stdio.h>; we may have to |
| * pull in <sys/types.h> as well. |
| * Note that the core JPEG library does not require <stdio.h>; |
| * only the default error handler and data source/destination modules do. |
| * But we must pull it in because of the references to FILE in jpeglib.h. |
| * You can remove those references if you want to compile without <stdio.h>. |
| */ |
| |
| #ifdef HAVE_STDDEF_H |
| #include <stddef.h> |
| #endif |
| |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| |
| #ifdef NEED_SYS_TYPES_H |
| #include <sys/types.h> |
| #endif |
| |
| #include <stdio.h> |
| |
| /* |
| * We need memory copying and zeroing functions, plus strncpy(). |
| * ANSI and System V implementations declare these in <string.h>. |
| * BSD doesn't have the mem() functions, but it does have bcopy()/bzero(). |
| * Some systems may declare memset and memcpy in <memory.h>. |
| * |
| * NOTE: we assume the size parameters to these functions are of type size_t. |
| * Change the casts in these macros if not! |
| */ |
| |
| #ifdef NEED_BSD_STRINGS |
| |
| #include <strings.h> |
| #define MEMZERO(target, size) \ |
| bzero((void *)(target), (size_t)(size)) |
| #define MEMCOPY(dest, src, size) \ |
| bcopy((const void *)(src), (void *)(dest), (size_t)(size)) |
| |
| #else /* not BSD, assume ANSI/SysV string lib */ |
| |
| #include <string.h> |
| #define MEMZERO(target, size) \ |
| memset((void *)(target), 0, (size_t)(size)) |
| #define MEMCOPY(dest, src, size) \ |
| memcpy((void *)(dest), (const void *)(src), (size_t)(size)) |
| |
| #endif |
| |
| /* |
| * The modules that use fread() and fwrite() always invoke them through |
| * these macros. On some systems you may need to twiddle the argument casts. |
| * CAUTION: argument order is different from underlying functions! |
| */ |
| |
| #define JFREAD(file, buf, sizeofbuf) \ |
| ((size_t)fread((void *)(buf), (size_t)1, (size_t)(sizeofbuf), (file))) |
| #define JFWRITE(file, buf, sizeofbuf) \ |
| ((size_t)fwrite((const void *)(buf), (size_t)1, (size_t)(sizeofbuf), (file))) |