diff options
Diffstat (limited to 'plugins/FreeImage/Source/LibJPEG/jmemansi.c')
| -rw-r--r-- | plugins/FreeImage/Source/LibJPEG/jmemansi.c | 167 | 
1 files changed, 0 insertions, 167 deletions
diff --git a/plugins/FreeImage/Source/LibJPEG/jmemansi.c b/plugins/FreeImage/Source/LibJPEG/jmemansi.c deleted file mode 100644 index b5da4743fb..0000000000 --- a/plugins/FreeImage/Source/LibJPEG/jmemansi.c +++ /dev/null @@ -1,167 +0,0 @@ -/*
 - * jmemansi.c
 - *
 - * Copyright (C) 1992-1996, Thomas G. Lane.
 - * This file is part of the Independent JPEG Group's software.
 - * For conditions of distribution and use, see the accompanying README file.
 - *
 - * This file provides a simple generic implementation of the system-
 - * dependent portion of the JPEG memory manager.  This implementation
 - * assumes that you have the ANSI-standard library routine tmpfile().
 - * Also, the problem of determining the amount of memory available
 - * is shoved onto the user.
 - */
 -
 -#define JPEG_INTERNALS
 -#include "jinclude.h"
 -#include "jpeglib.h"
 -#include "jmemsys.h"		/* import the system-dependent declarations */
 -
 -#ifndef HAVE_STDLIB_H		/* <stdlib.h> should declare malloc(),free() */
 -extern void * malloc JPP((size_t size));
 -extern void free JPP((void *ptr));
 -#endif
 -
 -#ifndef SEEK_SET		/* pre-ANSI systems may not define this; */
 -#define SEEK_SET  0		/* if not, assume 0 is correct */
 -#endif
 -
 -
 -/*
 - * Memory allocation and freeing are controlled by the regular library
 - * routines malloc() and free().
 - */
 -
 -GLOBAL(void *)
 -jpeg_get_small (j_common_ptr cinfo, size_t sizeofobject)
 -{
 -  return (void *) malloc(sizeofobject);
 -}
 -
 -GLOBAL(void)
 -jpeg_free_small (j_common_ptr cinfo, void * object, size_t sizeofobject)
 -{
 -  free(object);
 -}
 -
 -
 -/*
 - * "Large" objects are treated the same as "small" ones.
 - * NB: although we include FAR keywords in the routine declarations,
 - * this file won't actually work in 80x86 small/medium model; at least,
 - * you probably won't be able to process useful-size images in only 64KB.
 - */
 -
 -GLOBAL(void FAR *)
 -jpeg_get_large (j_common_ptr cinfo, size_t sizeofobject)
 -{
 -  return (void FAR *) malloc(sizeofobject);
 -}
 -
 -GLOBAL(void)
 -jpeg_free_large (j_common_ptr cinfo, void FAR * object, size_t sizeofobject)
 -{
 -  free(object);
 -}
 -
 -
 -/*
 - * This routine computes the total memory space available for allocation.
 - * It's impossible to do this in a portable way; our current solution is
 - * to make the user tell us (with a default value set at compile time).
 - * If you can actually get the available space, it's a good idea to subtract
 - * a slop factor of 5% or so.
 - */
 -
 -#ifndef DEFAULT_MAX_MEM		/* so can override from makefile */
 -#define DEFAULT_MAX_MEM		1000000L /* default: one megabyte */
 -#endif
 -
 -GLOBAL(long)
 -jpeg_mem_available (j_common_ptr cinfo, long min_bytes_needed,
 -		    long max_bytes_needed, long already_allocated)
 -{
 -  return cinfo->mem->max_memory_to_use - already_allocated;
 -}
 -
 -
 -/*
 - * Backing store (temporary file) management.
 - * Backing store objects are only used when the value returned by
 - * jpeg_mem_available is less than the total space needed.  You can dispense
 - * with these routines if you have plenty of virtual memory; see jmemnobs.c.
 - */
 -
 -
 -METHODDEF(void)
 -read_backing_store (j_common_ptr cinfo, backing_store_ptr info,
 -		    void FAR * buffer_address,
 -		    long file_offset, long byte_count)
 -{
 -  if (fseek(info->temp_file, file_offset, SEEK_SET))
 -    ERREXIT(cinfo, JERR_TFILE_SEEK);
 -  if (JFREAD(info->temp_file, buffer_address, byte_count)
 -      != (size_t) byte_count)
 -    ERREXIT(cinfo, JERR_TFILE_READ);
 -}
 -
 -
 -METHODDEF(void)
 -write_backing_store (j_common_ptr cinfo, backing_store_ptr info,
 -		     void FAR * buffer_address,
 -		     long file_offset, long byte_count)
 -{
 -  if (fseek(info->temp_file, file_offset, SEEK_SET))
 -    ERREXIT(cinfo, JERR_TFILE_SEEK);
 -  if (JFWRITE(info->temp_file, buffer_address, byte_count)
 -      != (size_t) byte_count)
 -    ERREXIT(cinfo, JERR_TFILE_WRITE);
 -}
 -
 -
 -METHODDEF(void)
 -close_backing_store (j_common_ptr cinfo, backing_store_ptr info)
 -{
 -  fclose(info->temp_file);
 -  /* Since this implementation uses tmpfile() to create the file,
 -   * no explicit file deletion is needed.
 -   */
 -}
 -
 -
 -/*
 - * Initial opening of a backing-store object.
 - *
 - * This version uses tmpfile(), which constructs a suitable file name
 - * behind the scenes.  We don't have to use info->temp_name[] at all;
 - * indeed, we can't even find out the actual name of the temp file.
 - */
 -
 -GLOBAL(void)
 -jpeg_open_backing_store (j_common_ptr cinfo, backing_store_ptr info,
 -			 long total_bytes_needed)
 -{
 -  if ((info->temp_file = tmpfile()) == NULL)
 -    ERREXITS(cinfo, JERR_TFILE_CREATE, "");
 -  info->read_backing_store = read_backing_store;
 -  info->write_backing_store = write_backing_store;
 -  info->close_backing_store = close_backing_store;
 -}
 -
 -
 -/*
 - * These routines take care of any system-dependent initialization and
 - * cleanup required.
 - */
 -
 -GLOBAL(long)
 -jpeg_mem_init (j_common_ptr cinfo)
 -{
 -  return DEFAULT_MAX_MEM;	/* default for max_memory_to_use */
 -}
 -
 -GLOBAL(void)
 -jpeg_mem_term (j_common_ptr cinfo)
 -{
 -  /* no work */
 -}
  | 
