Remove MS-DOS code and information, and adjust copyright headers to reflect the removal of features in r1307 and r1308. libjpeg-turbo has never supported MS-DOS, nor is it even possible for us to do so.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1312 632fc199-4ca6-4c93-a231-07263d6284db
diff --git a/jquant2.c b/jquant2.c
index 0fdb197..a9c7845 100644
--- a/jquant2.c
+++ b/jquant2.c
@@ -102,9 +102,7 @@
* machines, we can't just allocate the histogram in one chunk. Instead
* of a true 3-D array, we use a row of pointers to 2-D arrays. Each
* pointer corresponds to a C0 value (typically 2^5 = 32 pointers) and
- * each 2-D array has 2^6*2^5 = 2048 or 2^6*2^6 = 4096 entries. Note that
- * on 80x86 machines, the pointer row is in near memory but the actual
- * arrays are in far memory (same arrangement as we use for image arrays).
+ * each 2-D array has 2^6*2^5 = 2048 or 2^6*2^6 = 4096 entries.
*/
#define MAXNUMCOLORS (MAXJSAMPLE+1) /* maximum size of colormap */
@@ -129,10 +127,10 @@
typedef UINT16 histcell; /* histogram cell; prefer an unsigned type */
-typedef histcell FAR * histptr; /* for pointers to histogram cells */
+typedef histcell * histptr; /* for pointers to histogram cells */
typedef histcell hist1d[HIST_C2_ELEMS]; /* typedefs for the array */
-typedef hist1d FAR * hist2d; /* type for the 2nd-level pointers */
+typedef hist1d * hist2d; /* type for the 2nd-level pointers */
typedef hist2d * hist3d; /* type for top-level pointer */
@@ -155,9 +153,6 @@
* The fserrors[] array has (#columns + 2) entries; the extra entry at
* each end saves us from special-casing the first and last pixels.
* Each entry is three values long, one value for each color component.
- *
- * Note: on a wide image, we might not have enough room in a PC's near data
- * segment to hold the error array; so it is allocated with alloc_large.
*/
#if BITS_IN_JSAMPLE == 8
@@ -168,7 +163,7 @@
typedef INT32 LOCFSERROR; /* be sure calculation temps are big enough */
#endif
-typedef FSERROR FAR *FSERRPTR; /* pointer to error array (in FAR storage!) */
+typedef FSERROR *FSERRPTR; /* pointer to error array */
/* Private subobject */
@@ -1178,7 +1173,7 @@
cquantize->fserrors = (FSERRPTR) (*cinfo->mem->alloc_large)
((j_common_ptr) cinfo, JPOOL_IMAGE, arraysize);
/* Initialize the propagated errors to zero. */
- jzero_far((void FAR *) cquantize->fserrors, arraysize);
+ jzero_far((void *) cquantize->fserrors, arraysize);
/* Make the error-limit table if we didn't already. */
if (cquantize->error_limiter == NULL)
init_error_limit(cinfo);
@@ -1189,7 +1184,7 @@
/* Zero the histogram or inverse color map, if necessary */
if (cquantize->needs_zeroed) {
for (i = 0; i < HIST_C0_ELEMS; i++) {
- jzero_far((void FAR *) histogram[i],
+ jzero_far((void *) histogram[i],
HIST_C1_ELEMS*HIST_C2_ELEMS * SIZEOF(histcell));
}
cquantize->needs_zeroed = FALSE;
@@ -1245,8 +1240,8 @@
cquantize->needs_zeroed = TRUE; /* histogram is garbage now */
/* Allocate storage for the completed colormap, if required.
- * We do this now since it is FAR storage and may affect
- * the memory manager's space calculations.
+ * We do this now since it may affect the memory manager's space
+ * calculations.
*/
if (cinfo->enable_2pass_quant) {
/* Make sure color count is acceptable */
@@ -1269,9 +1264,10 @@
cinfo->dither_mode = JDITHER_FS;
/* Allocate Floyd-Steinberg workspace if necessary.
- * This isn't really needed until pass 2, but again it is FAR storage.
- * Although we will cope with a later change in dither_mode,
- * we do not promise to honor max_memory_to_use if dither_mode changes.
+ * This isn't really needed until pass 2, but again it may affect the memory
+ * manager's space calculations. Although we will cope with a later change
+ * in dither_mode, we do not promise to honor max_memory_to_use if
+ * dither_mode changes.
*/
if (cinfo->dither_mode == JDITHER_FS) {
cquantize->fserrors = (FSERRPTR) (*cinfo->mem->alloc_large)