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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /media/libjpeg/jinclude.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libjpeg/jinclude.h')
-rw-r--r-- | media/libjpeg/jinclude.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/media/libjpeg/jinclude.h b/media/libjpeg/jinclude.h new file mode 100644 index 000000000..d461a1aa1 --- /dev/null +++ b/media/libjpeg/jinclude.h @@ -0,0 +1,84 @@ +/* + * 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))) |