Thomas G. Lane | 2cbeb8a | 1991-10-07 00:00:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * jinclude.h |
| 3 | * |
DRC | 5de454b | 2014-05-18 19:04:03 +0000 | [diff] [blame^] | 4 | * This file was part of the Independent JPEG Group's software: |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 5 | * Copyright (C) 1991-1994, Thomas G. Lane. |
DRC | 5de454b | 2014-05-18 19:04:03 +0000 | [diff] [blame^] | 6 | * It was modified by The libjpeg-turbo Project to include only code relevant |
| 7 | * to libjpeg-turbo. |
Thomas G. Lane | 2cbeb8a | 1991-10-07 00:00:00 +0000 | [diff] [blame] | 8 | * For conditions of distribution and use, see the accompanying README file. |
| 9 | * |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 10 | * This file exists to provide a single place to fix any problems with |
| 11 | * including the wrong system include files. (Common problems are taken |
| 12 | * care of by the standard jconfig symbols, but on really weird systems |
| 13 | * you may have to edit this file.) |
| 14 | * |
| 15 | * NOTE: this file is NOT intended to be included by applications using the |
| 16 | * JPEG library. Most applications need only include jpeglib.h. |
Thomas G. Lane | 2cbeb8a | 1991-10-07 00:00:00 +0000 | [diff] [blame] | 17 | */ |
| 18 | |
| 19 | |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 20 | /* Include auto-config file to find out which system include files we need. */ |
| 21 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 22 | #include "jconfig.h" /* auto configuration options */ |
| 23 | #define JCONFIG_INCLUDED /* so that jpeglib.h doesn't do it again */ |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 24 | |
Thomas G. Lane | 2cbeb8a | 1991-10-07 00:00:00 +0000 | [diff] [blame] | 25 | /* |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 26 | * We need the NULL macro and size_t typedef. |
| 27 | * On an ANSI-conforming system it is sufficient to include <stddef.h>. |
| 28 | * Otherwise, we get them from <stdlib.h> or <stdio.h>; we may have to |
| 29 | * pull in <sys/types.h> as well. |
| 30 | * Note that the core JPEG library does not require <stdio.h>; |
| 31 | * only the default error handler and data source/destination modules do. |
| 32 | * But we must pull it in because of the references to FILE in jpeglib.h. |
| 33 | * You can remove those references if you want to compile without <stdio.h>. |
Thomas G. Lane | bd543f0 | 1991-12-13 00:00:00 +0000 | [diff] [blame] | 34 | */ |
| 35 | |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 36 | #ifdef HAVE_STDDEF_H |
| 37 | #include <stddef.h> |
Thomas G. Lane | bd543f0 | 1991-12-13 00:00:00 +0000 | [diff] [blame] | 38 | #endif |
| 39 | |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 40 | #ifdef HAVE_STDLIB_H |
| 41 | #include <stdlib.h> |
| 42 | #endif |
| 43 | |
| 44 | #ifdef NEED_SYS_TYPES_H |
| 45 | #include <sys/types.h> |
| 46 | #endif |
Thomas G. Lane | 2cbeb8a | 1991-10-07 00:00:00 +0000 | [diff] [blame] | 47 | |
| 48 | #include <stdio.h> |
| 49 | |
| 50 | /* |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 51 | * We need memory copying and zeroing functions, plus strncpy(). |
| 52 | * ANSI and System V implementations declare these in <string.h>. |
| 53 | * BSD doesn't have the mem() functions, but it does have bcopy()/bzero(). |
| 54 | * Some systems may declare memset and memcpy in <memory.h>. |
| 55 | * |
| 56 | * NOTE: we assume the size parameters to these functions are of type size_t. |
| 57 | * Change the casts in these macros if not! |
Thomas G. Lane | 2cbeb8a | 1991-10-07 00:00:00 +0000 | [diff] [blame] | 58 | */ |
| 59 | |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 60 | #ifdef NEED_BSD_STRINGS |
| 61 | |
| 62 | #include <strings.h> |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 63 | #define MEMZERO(target,size) bzero((void *)(target), (size_t)(size)) |
| 64 | #define MEMCOPY(dest,src,size) bcopy((const void *)(src), (void *)(dest), (size_t)(size)) |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 65 | |
| 66 | #else /* not BSD, assume ANSI/SysV string lib */ |
| 67 | |
| 68 | #include <string.h> |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 69 | #define MEMZERO(target,size) memset((void *)(target), 0, (size_t)(size)) |
| 70 | #define MEMCOPY(dest,src,size) memcpy((void *)(dest), (const void *)(src), (size_t)(size)) |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 71 | |
Thomas G. Lane | bd543f0 | 1991-12-13 00:00:00 +0000 | [diff] [blame] | 72 | #endif |
Thomas G. Lane | 2cbeb8a | 1991-10-07 00:00:00 +0000 | [diff] [blame] | 73 | |
| 74 | /* |
Thomas G. Lane | 36a4ccc | 1994-09-24 00:00:00 +0000 | [diff] [blame] | 75 | * The modules that use fread() and fwrite() always invoke them through |
| 76 | * these macros. On some systems you may need to twiddle the argument casts. |
Thomas G. Lane | bd543f0 | 1991-12-13 00:00:00 +0000 | [diff] [blame] | 77 | * CAUTION: argument order is different from underlying functions! |
| 78 | */ |
| 79 | |
Thomas G. Lane | 4a6b730 | 1992-03-17 00:00:00 +0000 | [diff] [blame] | 80 | #define JFREAD(file,buf,sizeofbuf) \ |
Thomas G. Lane | bd543f0 | 1991-12-13 00:00:00 +0000 | [diff] [blame] | 81 | ((size_t) fread((void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file))) |
Thomas G. Lane | 4a6b730 | 1992-03-17 00:00:00 +0000 | [diff] [blame] | 82 | #define JFWRITE(file,buf,sizeofbuf) \ |
Thomas G. Lane | bd543f0 | 1991-12-13 00:00:00 +0000 | [diff] [blame] | 83 | ((size_t) fwrite((const void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file))) |