diff options
Diffstat (limited to '3rdparty/libjpeg/jutils.c')
-rw-r--r-- | 3rdparty/libjpeg/jutils.c | 40 |
1 files changed, 18 insertions, 22 deletions
diff --git a/3rdparty/libjpeg/jutils.c b/3rdparty/libjpeg/jutils.c index 04351797cd7..5b16b6d03c0 100644 --- a/3rdparty/libjpeg/jutils.c +++ b/3rdparty/libjpeg/jutils.c @@ -2,7 +2,7 @@ * jutils.c * * Copyright (C) 1991-1996, Thomas G. Lane. - * Modified 2009 by Guido Vollbeding. + * Modified 2009-2011 by Guido Vollbeding. * This file is part of the Independent JPEG Group's software. * For conditions of distribution and use, see the accompanying README file. * @@ -148,13 +148,27 @@ jround_up (long a, long b) * is not all that great, because these routines aren't very heavily used.) */ -#ifndef NEED_FAR_POINTERS /* normal case, same as regular macros */ +#ifndef NEED_FAR_POINTERS /* normal case, same as regular macro */ #define FMEMCOPY(dest,src,size) MEMCOPY(dest,src,size) -#define FMEMZERO(target,size) MEMZERO(target,size) #else /* 80x86 case, define if we can */ #ifdef USE_FMEM #define FMEMCOPY(dest,src,size) _fmemcpy((void FAR *)(dest), (const void FAR *)(src), (size_t)(size)) -#define FMEMZERO(target,size) _fmemset((void FAR *)(target), 0, (size_t)(size)) +#else +/* This function is for use by the FMEMZERO macro defined in jpegint.h. + * Do not call this function directly, use the FMEMZERO macro instead. + */ +GLOBAL(void) +jzero_far (void FAR * target, size_t bytestozero) +/* Zero out a chunk of FAR memory. */ +/* This might be sample-array data, block-array data, or alloc_large data. */ +{ + register char FAR * ptr = (char FAR *) target; + register size_t count; + + for (count = bytestozero; count > 0; count--) { + *ptr++ = 0; + } +} #endif #endif @@ -211,21 +225,3 @@ jcopy_block_row (JBLOCKROW input_row, JBLOCKROW output_row, } #endif } - - -GLOBAL(void) -jzero_far (void FAR * target, size_t bytestozero) -/* Zero out a chunk of FAR memory. */ -/* This might be sample-array data, block-array data, or alloc_large data. */ -{ -#ifdef FMEMZERO - FMEMZERO(target, bytestozero); -#else - register char FAR * ptr = (char FAR *) target; - register size_t count; - - for (count = bytestozero; count > 0; count--) { - *ptr++ = 0; - } -#endif -} |