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Unified Diff: jmemmgr.c

Issue 1934113002: Update libjpeg_turbo to 1.4.90 from https://github.com/libjpeg-turbo/ (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Created 4 years, 8 months ago
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Index: jmemmgr.c
diff --git a/jmemmgr.c b/jmemmgr.c
index cf32524ea70522a4aed2ac5fa895729f0e8f0aa1..9174ad3ffb0b6d82bd919ca225d16982b1785d8e 100644
--- a/jmemmgr.c
+++ b/jmemmgr.c
@@ -1,9 +1,12 @@
/*
* jmemmgr.c
*
+ * This file was part of the Independent JPEG Group's software:
* Copyright (C) 1991-1997, 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.
+ * libjpeg-turbo Modifications:
+ * Copyright (C) 2016, D. R. Commander.
+ * For conditions of distribution and use, see the accompanying README.ijg
+ * file.
*
* This file contains the JPEG system-independent memory management
* routines. This code is usable across a wide variety of machines; most
@@ -25,14 +28,14 @@
*/
#define JPEG_INTERNALS
-#define AM_MEMORY_MANAGER /* we define jvirt_Xarray_control structs */
+#define AM_MEMORY_MANAGER /* we define jvirt_Xarray_control structs */
#include "jinclude.h"
#include "jpeglib.h"
-#include "jmemsys.h" /* import the system-dependent declarations */
+#include "jmemsys.h" /* import the system-dependent declarations */
#ifndef NO_GETENV
-#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare getenv() */
-extern char * getenv JPP((const char * name));
+#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare getenv() */
+extern char *getenv (const char *name);
#endif
#endif
@@ -67,9 +70,9 @@ round_up_pow2 (size_t a, size_t b)
* There isn't any really portable way to determine the worst-case alignment
* requirement. This module assumes that the alignment requirement is
* multiples of ALIGN_SIZE.
- * By default, we define ALIGN_SIZE as sizeof(double). This is necessary on some
- * workstations (where doubles really do need 8-byte alignment) and will work
- * fine on nearly everything. If your machine has lesser alignment needs,
+ * By default, we define ALIGN_SIZE as sizeof(double). This is necessary on
+ * some workstations (where doubles really do need 8-byte alignment) and will
+ * work fine on nearly everything. If your machine has lesser alignment needs,
* you can save a few bytes by making ALIGN_SIZE smaller.
* The only place I know of where this will NOT work is certain Macintosh
* 680x0 compilers that define double as a 10-byte IEEE extended float.
@@ -78,9 +81,9 @@ round_up_pow2 (size_t a, size_t b)
* such a compiler.
*/
-#ifndef ALIGN_SIZE /* so can override from jconfig.h */
+#ifndef ALIGN_SIZE /* so can override from jconfig.h */
#ifndef WITH_SIMD
-#define ALIGN_SIZE SIZEOF(double)
+#define ALIGN_SIZE sizeof(double)
#else
#define ALIGN_SIZE 16 /* Most SIMD implementations require this */
#endif
@@ -91,24 +94,23 @@ round_up_pow2 (size_t a, size_t b)
* request to jpeg_get_small() or jpeg_get_large(). There is no per-object
* overhead within a pool, except for alignment padding. Each pool has a
* header with a link to the next pool of the same class.
- * Small and large pool headers are identical except that the latter's
- * link pointer must be FAR on 80x86 machines.
+ * Small and large pool headers are identical.
*/
-typedef struct small_pool_struct * small_pool_ptr;
+typedef struct small_pool_struct *small_pool_ptr;
typedef struct small_pool_struct {
- small_pool_ptr next; /* next in list of pools */
- size_t bytes_used; /* how many bytes already used within pool */
- size_t bytes_left; /* bytes still available in this pool */
+ small_pool_ptr next; /* next in list of pools */
+ size_t bytes_used; /* how many bytes already used within pool */
+ size_t bytes_left; /* bytes still available in this pool */
} small_pool_hdr;
-typedef struct large_pool_struct FAR * large_pool_ptr;
+typedef struct large_pool_struct *large_pool_ptr;
typedef struct large_pool_struct {
- large_pool_ptr next; /* next in list of pools */
- size_t bytes_used; /* how many bytes already used within pool */
- size_t bytes_left; /* bytes still available in this pool */
+ large_pool_ptr next; /* next in list of pools */
+ size_t bytes_used; /* how many bytes already used within pool */
+ size_t bytes_left; /* bytes still available in this pool */
} large_pool_hdr;
/*
@@ -116,7 +118,7 @@ typedef struct large_pool_struct {
*/
typedef struct {
- struct jpeg_memory_mgr pub; /* public fields */
+ struct jpeg_memory_mgr pub; /* public fields */
/* Each pool identifier (lifetime class) names a linked list of pools. */
small_pool_ptr small_list[JPOOL_NUMPOOLS];
@@ -136,10 +138,10 @@ typedef struct {
/* alloc_sarray and alloc_barray set this value for use by virtual
* array routines.
*/
- JDIMENSION last_rowsperchunk; /* from most recent alloc_sarray/barray */
+ JDIMENSION last_rowsperchunk; /* from most recent alloc_sarray/barray */
} my_memory_mgr;
-typedef my_memory_mgr * my_mem_ptr;
+typedef my_memory_mgr *my_mem_ptr;
/*
@@ -150,39 +152,39 @@ typedef my_memory_mgr * my_mem_ptr;
*/
struct jvirt_sarray_control {
- JSAMPARRAY mem_buffer; /* => the in-memory buffer */
- JDIMENSION rows_in_array; /* total virtual array height */
- JDIMENSION samplesperrow; /* width of array (and of memory buffer) */
- JDIMENSION maxaccess; /* max rows accessed by access_virt_sarray */
- JDIMENSION rows_in_mem; /* height of memory buffer */
- JDIMENSION rowsperchunk; /* allocation chunk size in mem_buffer */
- JDIMENSION cur_start_row; /* first logical row # in the buffer */
- JDIMENSION first_undef_row; /* row # of first uninitialized row */
- boolean pre_zero; /* pre-zero mode requested? */
- boolean dirty; /* do current buffer contents need written? */
- boolean b_s_open; /* is backing-store data valid? */
- jvirt_sarray_ptr next; /* link to next virtual sarray control block */
- backing_store_info b_s_info; /* System-dependent control info */
+ JSAMPARRAY mem_buffer; /* => the in-memory buffer */
+ JDIMENSION rows_in_array; /* total virtual array height */
+ JDIMENSION samplesperrow; /* width of array (and of memory buffer) */
+ JDIMENSION maxaccess; /* max rows accessed by access_virt_sarray */
+ JDIMENSION rows_in_mem; /* height of memory buffer */
+ JDIMENSION rowsperchunk; /* allocation chunk size in mem_buffer */
+ JDIMENSION cur_start_row; /* first logical row # in the buffer */
+ JDIMENSION first_undef_row; /* row # of first uninitialized row */
+ boolean pre_zero; /* pre-zero mode requested? */
+ boolean dirty; /* do current buffer contents need written? */
+ boolean b_s_open; /* is backing-store data valid? */
+ jvirt_sarray_ptr next; /* link to next virtual sarray control block */
+ backing_store_info b_s_info; /* System-dependent control info */
};
struct jvirt_barray_control {
- JBLOCKARRAY mem_buffer; /* => the in-memory buffer */
- JDIMENSION rows_in_array; /* total virtual array height */
- JDIMENSION blocksperrow; /* width of array (and of memory buffer) */
- JDIMENSION maxaccess; /* max rows accessed by access_virt_barray */
- JDIMENSION rows_in_mem; /* height of memory buffer */
- JDIMENSION rowsperchunk; /* allocation chunk size in mem_buffer */
- JDIMENSION cur_start_row; /* first logical row # in the buffer */
- JDIMENSION first_undef_row; /* row # of first uninitialized row */
- boolean pre_zero; /* pre-zero mode requested? */
- boolean dirty; /* do current buffer contents need written? */
- boolean b_s_open; /* is backing-store data valid? */
- jvirt_barray_ptr next; /* link to next virtual barray control block */
- backing_store_info b_s_info; /* System-dependent control info */
+ JBLOCKARRAY mem_buffer; /* => the in-memory buffer */
+ JDIMENSION rows_in_array; /* total virtual array height */
+ JDIMENSION blocksperrow; /* width of array (and of memory buffer) */
+ JDIMENSION maxaccess; /* max rows accessed by access_virt_barray */
+ JDIMENSION rows_in_mem; /* height of memory buffer */
+ JDIMENSION rowsperchunk; /* allocation chunk size in mem_buffer */
+ JDIMENSION cur_start_row; /* first logical row # in the buffer */
+ JDIMENSION first_undef_row; /* row # of first uninitialized row */
+ boolean pre_zero; /* pre-zero mode requested? */
+ boolean dirty; /* do current buffer contents need written? */
+ boolean b_s_open; /* is backing-store data valid? */
+ jvirt_barray_ptr next; /* link to next virtual barray control block */
+ backing_store_info b_s_info; /* System-dependent control info */
};
-#ifdef MEM_STATS /* optional extra stuff for statistics */
+#ifdef MEM_STATS /* optional extra stuff for statistics */
LOCAL(void)
print_mem_stats (j_common_ptr cinfo, int pool_id)
@@ -196,19 +198,19 @@ print_mem_stats (j_common_ptr cinfo, int pool_id)
* This is helpful because message parm array can't handle longs.
*/
fprintf(stderr, "Freeing pool %d, total space = %ld\n",
- pool_id, mem->total_space_allocated);
+ pool_id, mem->total_space_allocated);
for (lhdr_ptr = mem->large_list[pool_id]; lhdr_ptr != NULL;
lhdr_ptr = lhdr_ptr->next) {
fprintf(stderr, " Large chunk used %ld\n",
- (long) lhdr_ptr->bytes_used);
+ (long) lhdr_ptr->bytes_used);
}
for (shdr_ptr = mem->small_list[pool_id]; shdr_ptr != NULL;
shdr_ptr = shdr_ptr->next) {
fprintf(stderr, " Small chunk used %ld free %ld\n",
- (long) shdr_ptr->bytes_used,
- (long) shdr_ptr->bytes_left);
+ (long) shdr_ptr->bytes_used,
+ (long) shdr_ptr->bytes_left);
}
}
@@ -221,7 +223,7 @@ out_of_memory (j_common_ptr cinfo, int which)
/* If we compiled MEM_STATS support, report alloc requests before dying */
{
#ifdef MEM_STATS
- cinfo->err->trace_level = 2; /* force self_destruct to report stats */
+ cinfo->err->trace_level = 2; /* force self_destruct to report stats */
#endif
ERREXIT1(cinfo, JERR_OUT_OF_MEMORY, which);
}
@@ -244,19 +246,19 @@ out_of_memory (j_common_ptr cinfo, int which)
* adjustment.
*/
-static const size_t first_pool_slop[JPOOL_NUMPOOLS] =
+static const size_t first_pool_slop[JPOOL_NUMPOOLS] =
{
- 1600, /* first PERMANENT pool */
- 16000 /* first IMAGE pool */
+ 1600, /* first PERMANENT pool */
+ 16000 /* first IMAGE pool */
};
-static const size_t extra_pool_slop[JPOOL_NUMPOOLS] =
+static const size_t extra_pool_slop[JPOOL_NUMPOOLS] =
{
- 0, /* additional PERMANENT pools */
- 5000 /* additional IMAGE pools */
+ 0, /* additional PERMANENT pools */
+ 5000 /* additional IMAGE pools */
};
-#define MIN_SLOP 50 /* greater than 0 to avoid futile looping */
+#define MIN_SLOP 50 /* greater than 0 to avoid futile looping */
METHODDEF(void *)
@@ -265,7 +267,7 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
{
my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
small_pool_ptr hdr_ptr, prev_hdr_ptr;
- char * data_ptr;
+ char *data_ptr;
size_t min_request, slop;
/*
@@ -274,20 +276,26 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
* and so that algorithms can straddle outside the proper area up
* to the next alignment.
*/
+ if (sizeofobject > MAX_ALLOC_CHUNK) {
+ /* This prevents overflow/wrap-around in round_up_pow2() if sizeofobject
+ is close to SIZE_MAX. */
+ out_of_memory(cinfo, 7);
+ }
sizeofobject = round_up_pow2(sizeofobject, ALIGN_SIZE);
/* Check for unsatisfiable request (do now to ensure no overflow below) */
- if ((SIZEOF(small_pool_hdr) + sizeofobject + ALIGN_SIZE - 1) > MAX_ALLOC_CHUNK)
- out_of_memory(cinfo, 1); /* request exceeds malloc's ability */
+ if ((sizeof(small_pool_hdr) + sizeofobject + ALIGN_SIZE - 1) >
+ MAX_ALLOC_CHUNK)
+ out_of_memory(cinfo, 1); /* request exceeds malloc's ability */
/* See if space is available in any existing pool */
if (pool_id < 0 || pool_id >= JPOOL_NUMPOOLS)
- ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */
+ ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */
prev_hdr_ptr = NULL;
hdr_ptr = mem->small_list[pool_id];
while (hdr_ptr != NULL) {
if (hdr_ptr->bytes_left >= sizeofobject)
- break; /* found pool with enough space */
+ break; /* found pool with enough space */
prev_hdr_ptr = hdr_ptr;
hdr_ptr = hdr_ptr->next;
}
@@ -295,8 +303,8 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
/* Time to make a new pool? */
if (hdr_ptr == NULL) {
/* min_request is what we need now, slop is what will be leftover */
- min_request = SIZEOF(small_pool_hdr) + sizeofobject + ALIGN_SIZE - 1;
- if (prev_hdr_ptr == NULL) /* first pool in class? */
+ min_request = sizeof(small_pool_hdr) + sizeofobject + ALIGN_SIZE - 1;
+ if (prev_hdr_ptr == NULL) /* first pool in class? */
slop = first_pool_slop[pool_id];
else
slop = extra_pool_slop[pool_id];
@@ -307,17 +315,17 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
for (;;) {
hdr_ptr = (small_pool_ptr) jpeg_get_small(cinfo, min_request + slop);
if (hdr_ptr != NULL)
- break;
+ break;
slop /= 2;
- if (slop < MIN_SLOP) /* give up when it gets real small */
- out_of_memory(cinfo, 2); /* jpeg_get_small failed */
+ if (slop < MIN_SLOP) /* give up when it gets real small */
+ out_of_memory(cinfo, 2); /* jpeg_get_small failed */
}
mem->total_space_allocated += min_request + slop;
/* Success, initialize the new pool header and add to end of list */
hdr_ptr->next = NULL;
hdr_ptr->bytes_used = 0;
hdr_ptr->bytes_left = sizeofobject + slop;
- if (prev_hdr_ptr == NULL) /* first pool in class? */
+ if (prev_hdr_ptr == NULL) /* first pool in class? */
mem->small_list[pool_id] = hdr_ptr;
else
prev_hdr_ptr->next = hdr_ptr;
@@ -325,7 +333,7 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
/* OK, allocate the object from the current pool */
data_ptr = (char *) hdr_ptr; /* point to first data byte in pool... */
- data_ptr += SIZEOF(small_pool_hdr); /* ...by skipping the header... */
+ data_ptr += sizeof(small_pool_hdr); /* ...by skipping the header... */
if ((size_t)data_ptr % ALIGN_SIZE) /* ...and adjust for alignment */
data_ptr += ALIGN_SIZE - (size_t)data_ptr % ALIGN_SIZE;
data_ptr += hdr_ptr->bytes_used; /* point to place for object */
@@ -339,9 +347,8 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
/*
* Allocation of "large" objects.
*
- * The external semantics of these are the same as "small" objects,
- * except that FAR pointers are used on 80x86. However the pool
- * management heuristics are quite different. We assume that each
+ * The external semantics of these are the same as "small" objects. However,
+ * the pool management heuristics are quite different. We assume that each
* request is large enough that it may as well be passed directly to
* jpeg_get_large; the pool management just links everything together
* so that we can free it all on demand.
@@ -350,35 +357,42 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
* deliberately bunch rows together to ensure a large request size.
*/
-METHODDEF(void FAR *)
+METHODDEF(void *)
alloc_large (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
/* Allocate a "large" object */
{
my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
large_pool_ptr hdr_ptr;
- char FAR * data_ptr;
+ char *data_ptr;
/*
* Round up the requested size to a multiple of ALIGN_SIZE so that
* algorithms can straddle outside the proper area up to the next
* alignment.
*/
+ if (sizeofobject > MAX_ALLOC_CHUNK) {
+ /* This prevents overflow/wrap-around in round_up_pow2() if sizeofobject
+ is close to SIZE_MAX. */
+ out_of_memory(cinfo, 8);
+ }
sizeofobject = round_up_pow2(sizeofobject, ALIGN_SIZE);
/* Check for unsatisfiable request (do now to ensure no overflow below) */
- if ((SIZEOF(large_pool_hdr) + sizeofobject + ALIGN_SIZE - 1) > MAX_ALLOC_CHUNK)
- out_of_memory(cinfo, 3); /* request exceeds malloc's ability */
+ if ((sizeof(large_pool_hdr) + sizeofobject + ALIGN_SIZE - 1) >
+ MAX_ALLOC_CHUNK)
+ out_of_memory(cinfo, 3); /* request exceeds malloc's ability */
/* Always make a new pool */
if (pool_id < 0 || pool_id >= JPOOL_NUMPOOLS)
- ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */
+ ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */
hdr_ptr = (large_pool_ptr) jpeg_get_large(cinfo, sizeofobject +
- SIZEOF(large_pool_hdr) +
- ALIGN_SIZE - 1);
+ sizeof(large_pool_hdr) +
+ ALIGN_SIZE - 1);
if (hdr_ptr == NULL)
- out_of_memory(cinfo, 4); /* jpeg_get_large failed */
- mem->total_space_allocated += sizeofobject + SIZEOF(large_pool_hdr) + ALIGN_SIZE - 1;
+ out_of_memory(cinfo, 4); /* jpeg_get_large failed */
+ mem->total_space_allocated += sizeofobject + sizeof(large_pool_hdr) +
+ ALIGN_SIZE - 1;
/* Success, initialize the new pool header and add to list */
hdr_ptr->next = mem->large_list[pool_id];
@@ -390,17 +404,16 @@ alloc_large (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
mem->large_list[pool_id] = hdr_ptr;
data_ptr = (char *) hdr_ptr; /* point to first data byte in pool... */
- data_ptr += SIZEOF(small_pool_hdr); /* ...by skipping the header... */
+ data_ptr += sizeof(small_pool_hdr); /* ...by skipping the header... */
if ((size_t)data_ptr % ALIGN_SIZE) /* ...and adjust for alignment */
data_ptr += ALIGN_SIZE - (size_t)data_ptr % ALIGN_SIZE;
- return (void FAR *) data_ptr;
+ return (void *) data_ptr;
}
/*
* Creation of 2-D sample arrays.
- * The pointers are in near heap, the samples themselves in FAR heap.
*
* To minimize allocation overhead and to allow I/O of large contiguous
* blocks, we allocate the sample rows in groups of as many rows as possible
@@ -417,7 +430,7 @@ alloc_large (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
METHODDEF(JSAMPARRAY)
alloc_sarray (j_common_ptr cinfo, int pool_id,
- JDIMENSION samplesperrow, JDIMENSION numrows)
+ JDIMENSION samplesperrow, JDIMENSION numrows)
/* Allocate a 2-D sample array */
{
my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
@@ -427,13 +440,20 @@ alloc_sarray (j_common_ptr cinfo, int pool_id,
long ltemp;
/* Make sure each row is properly aligned */
- if ((ALIGN_SIZE % SIZEOF(JSAMPLE)) != 0)
- out_of_memory(cinfo, 5); /* safety check */
- samplesperrow = (JDIMENSION)round_up_pow2(samplesperrow, (2 * ALIGN_SIZE) / SIZEOF(JSAMPLE));
+ if ((ALIGN_SIZE % sizeof(JSAMPLE)) != 0)
+ out_of_memory(cinfo, 5); /* safety check */
+
+ if (samplesperrow > MAX_ALLOC_CHUNK) {
+ /* This prevents overflow/wrap-around in round_up_pow2() if sizeofobject
+ is close to SIZE_MAX. */
+ out_of_memory(cinfo, 9);
+ }
+ samplesperrow = (JDIMENSION)round_up_pow2(samplesperrow, (2 * ALIGN_SIZE) /
+ sizeof(JSAMPLE));
/* Calculate max # of rows allowed in one allocation chunk */
- ltemp = (MAX_ALLOC_CHUNK-SIZEOF(large_pool_hdr)) /
- ((long) samplesperrow * SIZEOF(JSAMPLE));
+ ltemp = (MAX_ALLOC_CHUNK-sizeof(large_pool_hdr)) /
+ ((long) samplesperrow * sizeof(JSAMPLE));
if (ltemp <= 0)
ERREXIT(cinfo, JERR_WIDTH_OVERFLOW);
if (ltemp < (long) numrows)
@@ -444,15 +464,15 @@ alloc_sarray (j_common_ptr cinfo, int pool_id,
/* Get space for row pointers (small object) */
result = (JSAMPARRAY) alloc_small(cinfo, pool_id,
- (size_t) (numrows * SIZEOF(JSAMPROW)));
+ (size_t) (numrows * sizeof(JSAMPROW)));
/* Get the rows themselves (large objects) */
currow = 0;
while (currow < numrows) {
rowsperchunk = MIN(rowsperchunk, numrows - currow);
workspace = (JSAMPROW) alloc_large(cinfo, pool_id,
- (size_t) ((size_t) rowsperchunk * (size_t) samplesperrow
- * SIZEOF(JSAMPLE)));
+ (size_t) ((size_t) rowsperchunk * (size_t) samplesperrow
+ * sizeof(JSAMPLE)));
for (i = rowsperchunk; i > 0; i--) {
result[currow++] = workspace;
workspace += samplesperrow;
@@ -470,7 +490,7 @@ alloc_sarray (j_common_ptr cinfo, int pool_id,
METHODDEF(JBLOCKARRAY)
alloc_barray (j_common_ptr cinfo, int pool_id,
- JDIMENSION blocksperrow, JDIMENSION numrows)
+ JDIMENSION blocksperrow, JDIMENSION numrows)
/* Allocate a 2-D coefficient-block array */
{
my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
@@ -480,12 +500,12 @@ alloc_barray (j_common_ptr cinfo, int pool_id,
long ltemp;
/* Make sure each row is properly aligned */
- if ((SIZEOF(JBLOCK) % ALIGN_SIZE) != 0)
- out_of_memory(cinfo, 6); /* safety check */
+ if ((sizeof(JBLOCK) % ALIGN_SIZE) != 0)
+ out_of_memory(cinfo, 6); /* safety check */
/* Calculate max # of rows allowed in one allocation chunk */
- ltemp = (MAX_ALLOC_CHUNK-SIZEOF(large_pool_hdr)) /
- ((long) blocksperrow * SIZEOF(JBLOCK));
+ ltemp = (MAX_ALLOC_CHUNK-sizeof(large_pool_hdr)) /
+ ((long) blocksperrow * sizeof(JBLOCK));
if (ltemp <= 0)
ERREXIT(cinfo, JERR_WIDTH_OVERFLOW);
if (ltemp < (long) numrows)
@@ -496,15 +516,15 @@ alloc_barray (j_common_ptr cinfo, int pool_id,
/* Get space for row pointers (small object) */
result = (JBLOCKARRAY) alloc_small(cinfo, pool_id,
- (size_t) (numrows * SIZEOF(JBLOCKROW)));
+ (size_t) (numrows * sizeof(JBLOCKROW)));
/* Get the rows themselves (large objects) */
currow = 0;
while (currow < numrows) {
rowsperchunk = MIN(rowsperchunk, numrows - currow);
workspace = (JBLOCKROW) alloc_large(cinfo, pool_id,
- (size_t) ((size_t) rowsperchunk * (size_t) blocksperrow
- * SIZEOF(JBLOCK)));
+ (size_t) ((size_t) rowsperchunk * (size_t) blocksperrow
+ * sizeof(JBLOCK)));
for (i = rowsperchunk; i > 0; i--) {
result[currow++] = workspace;
workspace += blocksperrow;
@@ -554,8 +574,8 @@ alloc_barray (j_common_ptr cinfo, int pool_id,
METHODDEF(jvirt_sarray_ptr)
request_virt_sarray (j_common_ptr cinfo, int pool_id, boolean pre_zero,
- JDIMENSION samplesperrow, JDIMENSION numrows,
- JDIMENSION maxaccess)
+ JDIMENSION samplesperrow, JDIMENSION numrows,
+ JDIMENSION maxaccess)
/* Request a virtual 2-D sample array */
{
my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
@@ -563,18 +583,18 @@ request_virt_sarray (j_common_ptr cinfo, int pool_id, boolean pre_zero,
/* Only IMAGE-lifetime virtual arrays are currently supported */
if (pool_id != JPOOL_IMAGE)
- ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */
+ ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */
/* get control block */
result = (jvirt_sarray_ptr) alloc_small(cinfo, pool_id,
- SIZEOF(struct jvirt_sarray_control));
+ sizeof(struct jvirt_sarray_control));
- result->mem_buffer = NULL; /* marks array not yet realized */
+ result->mem_buffer = NULL; /* marks array not yet realized */
result->rows_in_array = numrows;
result->samplesperrow = samplesperrow;
result->maxaccess = maxaccess;
result->pre_zero = pre_zero;
- result->b_s_open = FALSE; /* no associated backing-store object */
+ result->b_s_open = FALSE; /* no associated backing-store object */
result->next = mem->virt_sarray_list; /* add to list of virtual arrays */
mem->virt_sarray_list = result;
@@ -584,8 +604,8 @@ request_virt_sarray (j_common_ptr cinfo, int pool_id, boolean pre_zero,
METHODDEF(jvirt_barray_ptr)
request_virt_barray (j_common_ptr cinfo, int pool_id, boolean pre_zero,
- JDIMENSION blocksperrow, JDIMENSION numrows,
- JDIMENSION maxaccess)
+ JDIMENSION blocksperrow, JDIMENSION numrows,
+ JDIMENSION maxaccess)
/* Request a virtual 2-D coefficient-block array */
{
my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
@@ -593,18 +613,18 @@ request_virt_barray (j_common_ptr cinfo, int pool_id, boolean pre_zero,
/* Only IMAGE-lifetime virtual arrays are currently supported */
if (pool_id != JPOOL_IMAGE)
- ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */
+ ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */
/* get control block */
result = (jvirt_barray_ptr) alloc_small(cinfo, pool_id,
- SIZEOF(struct jvirt_barray_control));
+ sizeof(struct jvirt_barray_control));
- result->mem_buffer = NULL; /* marks array not yet realized */
+ result->mem_buffer = NULL; /* marks array not yet realized */
result->rows_in_array = numrows;
result->blocksperrow = blocksperrow;
result->maxaccess = maxaccess;
result->pre_zero = pre_zero;
- result->b_s_open = FALSE; /* no associated backing-store object */
+ result->b_s_open = FALSE; /* no associated backing-store object */
result->next = mem->virt_barray_list; /* add to list of virtual arrays */
mem->virt_barray_list = result;
@@ -631,26 +651,26 @@ realize_virt_arrays (j_common_ptr cinfo)
for (sptr = mem->virt_sarray_list; sptr != NULL; sptr = sptr->next) {
if (sptr->mem_buffer == NULL) { /* if not realized yet */
space_per_minheight += (long) sptr->maxaccess *
- (long) sptr->samplesperrow * SIZEOF(JSAMPLE);
+ (long) sptr->samplesperrow * sizeof(JSAMPLE);
maximum_space += (long) sptr->rows_in_array *
- (long) sptr->samplesperrow * SIZEOF(JSAMPLE);
+ (long) sptr->samplesperrow * sizeof(JSAMPLE);
}
}
for (bptr = mem->virt_barray_list; bptr != NULL; bptr = bptr->next) {
if (bptr->mem_buffer == NULL) { /* if not realized yet */
space_per_minheight += (long) bptr->maxaccess *
- (long) bptr->blocksperrow * SIZEOF(JBLOCK);
+ (long) bptr->blocksperrow * sizeof(JBLOCK);
maximum_space += (long) bptr->rows_in_array *
- (long) bptr->blocksperrow * SIZEOF(JBLOCK);
+ (long) bptr->blocksperrow * sizeof(JBLOCK);
}
}
if (space_per_minheight <= 0)
- return; /* no unrealized arrays, no work */
+ return; /* no unrealized arrays, no work */
/* Determine amount of memory to actually use; this is system-dependent. */
avail_mem = jpeg_mem_available(cinfo, space_per_minheight, maximum_space,
- mem->total_space_allocated);
+ mem->total_space_allocated);
/* If the maximum space needed is available, make all the buffers full
* height; otherwise parcel it out with the same number of minheights
@@ -673,19 +693,19 @@ realize_virt_arrays (j_common_ptr cinfo)
if (sptr->mem_buffer == NULL) { /* if not realized yet */
minheights = ((long) sptr->rows_in_array - 1L) / sptr->maxaccess + 1L;
if (minheights <= max_minheights) {
- /* This buffer fits in memory */
- sptr->rows_in_mem = sptr->rows_in_array;
+ /* This buffer fits in memory */
+ sptr->rows_in_mem = sptr->rows_in_array;
} else {
- /* It doesn't fit in memory, create backing store. */
- sptr->rows_in_mem = (JDIMENSION) (max_minheights * sptr->maxaccess);
- jpeg_open_backing_store(cinfo, & sptr->b_s_info,
- (long) sptr->rows_in_array *
- (long) sptr->samplesperrow *
- (long) SIZEOF(JSAMPLE));
- sptr->b_s_open = TRUE;
+ /* It doesn't fit in memory, create backing store. */
+ sptr->rows_in_mem = (JDIMENSION) (max_minheights * sptr->maxaccess);
+ jpeg_open_backing_store(cinfo, & sptr->b_s_info,
+ (long) sptr->rows_in_array *
+ (long) sptr->samplesperrow *
+ (long) sizeof(JSAMPLE));
+ sptr->b_s_open = TRUE;
}
sptr->mem_buffer = alloc_sarray(cinfo, JPOOL_IMAGE,
- sptr->samplesperrow, sptr->rows_in_mem);
+ sptr->samplesperrow, sptr->rows_in_mem);
sptr->rowsperchunk = mem->last_rowsperchunk;
sptr->cur_start_row = 0;
sptr->first_undef_row = 0;
@@ -697,19 +717,19 @@ realize_virt_arrays (j_common_ptr cinfo)
if (bptr->mem_buffer == NULL) { /* if not realized yet */
minheights = ((long) bptr->rows_in_array - 1L) / bptr->maxaccess + 1L;
if (minheights <= max_minheights) {
- /* This buffer fits in memory */
- bptr->rows_in_mem = bptr->rows_in_array;
+ /* This buffer fits in memory */
+ bptr->rows_in_mem = bptr->rows_in_array;
} else {
- /* It doesn't fit in memory, create backing store. */
- bptr->rows_in_mem = (JDIMENSION) (max_minheights * bptr->maxaccess);
- jpeg_open_backing_store(cinfo, & bptr->b_s_info,
- (long) bptr->rows_in_array *
- (long) bptr->blocksperrow *
- (long) SIZEOF(JBLOCK));
- bptr->b_s_open = TRUE;
+ /* It doesn't fit in memory, create backing store. */
+ bptr->rows_in_mem = (JDIMENSION) (max_minheights * bptr->maxaccess);
+ jpeg_open_backing_store(cinfo, & bptr->b_s_info,
+ (long) bptr->rows_in_array *
+ (long) bptr->blocksperrow *
+ (long) sizeof(JBLOCK));
+ bptr->b_s_open = TRUE;
}
bptr->mem_buffer = alloc_barray(cinfo, JPOOL_IMAGE,
- bptr->blocksperrow, bptr->rows_in_mem);
+ bptr->blocksperrow, bptr->rows_in_mem);
bptr->rowsperchunk = mem->last_rowsperchunk;
bptr->cur_start_row = 0;
bptr->first_undef_row = 0;
@@ -725,7 +745,7 @@ do_sarray_io (j_common_ptr cinfo, jvirt_sarray_ptr ptr, boolean writing)
{
long bytesperrow, file_offset, byte_count, rows, thisrow, i;
- bytesperrow = (long) ptr->samplesperrow * SIZEOF(JSAMPLE);
+ bytesperrow = (long) ptr->samplesperrow * sizeof(JSAMPLE);
file_offset = ptr->cur_start_row * bytesperrow;
/* Loop to read or write each allocation chunk in mem_buffer */
for (i = 0; i < (long) ptr->rows_in_mem; i += ptr->rowsperchunk) {
@@ -736,17 +756,17 @@ do_sarray_io (j_common_ptr cinfo, jvirt_sarray_ptr ptr, boolean writing)
rows = MIN(rows, (long) ptr->first_undef_row - thisrow);
/* Transfer no more than fits in file */
rows = MIN(rows, (long) ptr->rows_in_array - thisrow);
- if (rows <= 0) /* this chunk might be past end of file! */
+ if (rows <= 0) /* this chunk might be past end of file! */
break;
byte_count = rows * bytesperrow;
if (writing)
(*ptr->b_s_info.write_backing_store) (cinfo, & ptr->b_s_info,
- (void FAR *) ptr->mem_buffer[i],
- file_offset, byte_count);
+ (void *) ptr->mem_buffer[i],
+ file_offset, byte_count);
else
(*ptr->b_s_info.read_backing_store) (cinfo, & ptr->b_s_info,
- (void FAR *) ptr->mem_buffer[i],
- file_offset, byte_count);
+ (void *) ptr->mem_buffer[i],
+ file_offset, byte_count);
file_offset += byte_count;
}
}
@@ -758,7 +778,7 @@ do_barray_io (j_common_ptr cinfo, jvirt_barray_ptr ptr, boolean writing)
{
long bytesperrow, file_offset, byte_count, rows, thisrow, i;
- bytesperrow = (long) ptr->blocksperrow * SIZEOF(JBLOCK);
+ bytesperrow = (long) ptr->blocksperrow * sizeof(JBLOCK);
file_offset = ptr->cur_start_row * bytesperrow;
/* Loop to read or write each allocation chunk in mem_buffer */
for (i = 0; i < (long) ptr->rows_in_mem; i += ptr->rowsperchunk) {
@@ -769,17 +789,17 @@ do_barray_io (j_common_ptr cinfo, jvirt_barray_ptr ptr, boolean writing)
rows = MIN(rows, (long) ptr->first_undef_row - thisrow);
/* Transfer no more than fits in file */
rows = MIN(rows, (long) ptr->rows_in_array - thisrow);
- if (rows <= 0) /* this chunk might be past end of file! */
+ if (rows <= 0) /* this chunk might be past end of file! */
break;
byte_count = rows * bytesperrow;
if (writing)
(*ptr->b_s_info.write_backing_store) (cinfo, & ptr->b_s_info,
- (void FAR *) ptr->mem_buffer[i],
- file_offset, byte_count);
+ (void *) ptr->mem_buffer[i],
+ file_offset, byte_count);
else
(*ptr->b_s_info.read_backing_store) (cinfo, & ptr->b_s_info,
- (void FAR *) ptr->mem_buffer[i],
- file_offset, byte_count);
+ (void *) ptr->mem_buffer[i],
+ file_offset, byte_count);
file_offset += byte_count;
}
}
@@ -787,8 +807,8 @@ do_barray_io (j_common_ptr cinfo, jvirt_barray_ptr ptr, boolean writing)
METHODDEF(JSAMPARRAY)
access_virt_sarray (j_common_ptr cinfo, jvirt_sarray_ptr ptr,
- JDIMENSION start_row, JDIMENSION num_rows,
- boolean writable)
+ JDIMENSION start_row, JDIMENSION num_rows,
+ boolean writable)
/* Access the part of a virtual sample array starting at start_row */
/* and extending for num_rows rows. writable is true if */
/* caller intends to modify the accessed area. */
@@ -826,7 +846,7 @@ access_virt_sarray (j_common_ptr cinfo, jvirt_sarray_ptr ptr,
ltemp = (long) end_row - (long) ptr->rows_in_mem;
if (ltemp < 0)
- ltemp = 0; /* don't fall off front end of file */
+ ltemp = 0; /* don't fall off front end of file */
ptr->cur_start_row = (JDIMENSION) ltemp;
}
/* Read in the selected part of the array.
@@ -841,25 +861,25 @@ access_virt_sarray (j_common_ptr cinfo, jvirt_sarray_ptr ptr,
*/
if (ptr->first_undef_row < end_row) {
if (ptr->first_undef_row < start_row) {
- if (writable) /* writer skipped over a section of array */
- ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS);
- undef_row = start_row; /* but reader is allowed to read ahead */
+ if (writable) /* writer skipped over a section of array */
+ ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS);
+ undef_row = start_row; /* but reader is allowed to read ahead */
} else {
undef_row = ptr->first_undef_row;
}
if (writable)
ptr->first_undef_row = end_row;
if (ptr->pre_zero) {
- size_t bytesperrow = (size_t) ptr->samplesperrow * SIZEOF(JSAMPLE);
+ size_t bytesperrow = (size_t) ptr->samplesperrow * sizeof(JSAMPLE);
undef_row -= ptr->cur_start_row; /* make indexes relative to buffer */
end_row -= ptr->cur_start_row;
while (undef_row < end_row) {
- jzero_far((void FAR *) ptr->mem_buffer[undef_row], bytesperrow);
- undef_row++;
+ jzero_far((void *) ptr->mem_buffer[undef_row], bytesperrow);
+ undef_row++;
}
} else {
- if (! writable) /* reader looking at undefined data */
- ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS);
+ if (! writable) /* reader looking at undefined data */
+ ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS);
}
}
/* Flag the buffer dirty if caller will write in it */
@@ -872,8 +892,8 @@ access_virt_sarray (j_common_ptr cinfo, jvirt_sarray_ptr ptr,
METHODDEF(JBLOCKARRAY)
access_virt_barray (j_common_ptr cinfo, jvirt_barray_ptr ptr,
- JDIMENSION start_row, JDIMENSION num_rows,
- boolean writable)
+ JDIMENSION start_row, JDIMENSION num_rows,
+ boolean writable)
/* Access the part of a virtual block array starting at start_row */
/* and extending for num_rows rows. writable is true if */
/* caller intends to modify the accessed area. */
@@ -911,7 +931,7 @@ access_virt_barray (j_common_ptr cinfo, jvirt_barray_ptr ptr,
ltemp = (long) end_row - (long) ptr->rows_in_mem;
if (ltemp < 0)
- ltemp = 0; /* don't fall off front end of file */
+ ltemp = 0; /* don't fall off front end of file */
ptr->cur_start_row = (JDIMENSION) ltemp;
}
/* Read in the selected part of the array.
@@ -926,25 +946,25 @@ access_virt_barray (j_common_ptr cinfo, jvirt_barray_ptr ptr,
*/
if (ptr->first_undef_row < end_row) {
if (ptr->first_undef_row < start_row) {
- if (writable) /* writer skipped over a section of array */
- ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS);
- undef_row = start_row; /* but reader is allowed to read ahead */
+ if (writable) /* writer skipped over a section of array */
+ ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS);
+ undef_row = start_row; /* but reader is allowed to read ahead */
} else {
undef_row = ptr->first_undef_row;
}
if (writable)
ptr->first_undef_row = end_row;
if (ptr->pre_zero) {
- size_t bytesperrow = (size_t) ptr->blocksperrow * SIZEOF(JBLOCK);
+ size_t bytesperrow = (size_t) ptr->blocksperrow * sizeof(JBLOCK);
undef_row -= ptr->cur_start_row; /* make indexes relative to buffer */
end_row -= ptr->cur_start_row;
while (undef_row < end_row) {
- jzero_far((void FAR *) ptr->mem_buffer[undef_row], bytesperrow);
- undef_row++;
+ jzero_far((void *) ptr->mem_buffer[undef_row], bytesperrow);
+ undef_row++;
}
} else {
- if (! writable) /* reader looking at undefined data */
- ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS);
+ if (! writable) /* reader looking at undefined data */
+ ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS);
}
}
/* Flag the buffer dirty if caller will write in it */
@@ -968,7 +988,7 @@ free_pool (j_common_ptr cinfo, int pool_id)
size_t space_freed;
if (pool_id < 0 || pool_id >= JPOOL_NUMPOOLS)
- ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */
+ ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */
#ifdef MEM_STATS
if (cinfo->err->trace_level > 1)
@@ -981,16 +1001,16 @@ free_pool (j_common_ptr cinfo, int pool_id)
jvirt_barray_ptr bptr;
for (sptr = mem->virt_sarray_list; sptr != NULL; sptr = sptr->next) {
- if (sptr->b_s_open) { /* there may be no backing store */
- sptr->b_s_open = FALSE; /* prevent recursive close if error */
- (*sptr->b_s_info.close_backing_store) (cinfo, & sptr->b_s_info);
+ if (sptr->b_s_open) { /* there may be no backing store */
+ sptr->b_s_open = FALSE; /* prevent recursive close if error */
+ (*sptr->b_s_info.close_backing_store) (cinfo, & sptr->b_s_info);
}
}
mem->virt_sarray_list = NULL;
for (bptr = mem->virt_barray_list; bptr != NULL; bptr = bptr->next) {
- if (bptr->b_s_open) { /* there may be no backing store */
- bptr->b_s_open = FALSE; /* prevent recursive close if error */
- (*bptr->b_s_info.close_backing_store) (cinfo, & bptr->b_s_info);
+ if (bptr->b_s_open) { /* there may be no backing store */
+ bptr->b_s_open = FALSE; /* prevent recursive close if error */
+ (*bptr->b_s_info.close_backing_store) (cinfo, & bptr->b_s_info);
}
}
mem->virt_barray_list = NULL;
@@ -1003,9 +1023,9 @@ free_pool (j_common_ptr cinfo, int pool_id)
while (lhdr_ptr != NULL) {
large_pool_ptr next_lhdr_ptr = lhdr_ptr->next;
space_freed = lhdr_ptr->bytes_used +
- lhdr_ptr->bytes_left +
- SIZEOF(large_pool_hdr);
- jpeg_free_large(cinfo, (void FAR *) lhdr_ptr, space_freed);
+ lhdr_ptr->bytes_left +
+ sizeof(large_pool_hdr);
+ jpeg_free_large(cinfo, (void *) lhdr_ptr, space_freed);
mem->total_space_allocated -= space_freed;
lhdr_ptr = next_lhdr_ptr;
}
@@ -1017,8 +1037,8 @@ free_pool (j_common_ptr cinfo, int pool_id)
while (shdr_ptr != NULL) {
small_pool_ptr next_shdr_ptr = shdr_ptr->next;
space_freed = shdr_ptr->bytes_used +
- shdr_ptr->bytes_left +
- SIZEOF(small_pool_hdr);
+ shdr_ptr->bytes_left +
+ sizeof(small_pool_hdr);
jpeg_free_small(cinfo, (void *) shdr_ptr, space_freed);
mem->total_space_allocated -= space_freed;
shdr_ptr = next_shdr_ptr;
@@ -1045,10 +1065,10 @@ self_destruct (j_common_ptr cinfo)
}
/* Release the memory manager control block too. */
- jpeg_free_small(cinfo, (void *) cinfo->mem, SIZEOF(my_memory_mgr));
- cinfo->mem = NULL; /* ensures I will be called only once */
+ jpeg_free_small(cinfo, (void *) cinfo->mem, sizeof(my_memory_mgr));
+ cinfo->mem = NULL; /* ensures I will be called only once */
- jpeg_mem_term(cinfo); /* system-dependent cleanup */
+ jpeg_mem_term(cinfo); /* system-dependent cleanup */
}
@@ -1065,10 +1085,10 @@ jinit_memory_mgr (j_common_ptr cinfo)
int pool;
size_t test_mac;
- cinfo->mem = NULL; /* for safety if init fails */
+ cinfo->mem = NULL; /* for safety if init fails */
/* Check for configuration errors.
- * SIZEOF(ALIGN_TYPE) should be a power of 2; otherwise, it probably
+ * sizeof(ALIGN_TYPE) should be a power of 2; otherwise, it probably
* doesn't reflect any real hardware alignment requirement.
* The test is a little tricky: for X>0, X and X-1 have no one-bits
* in common if and only if X is a power of 2, ie has only one one-bit.
@@ -1089,10 +1109,10 @@ jinit_memory_mgr (j_common_ptr cinfo)
max_to_use = jpeg_mem_init(cinfo); /* system-dependent initialization */
/* Attempt to allocate memory manager's control block */
- mem = (my_mem_ptr) jpeg_get_small(cinfo, SIZEOF(my_memory_mgr));
+ mem = (my_mem_ptr) jpeg_get_small(cinfo, sizeof(my_memory_mgr));
if (mem == NULL) {
- jpeg_mem_term(cinfo); /* system-dependent cleanup */
+ jpeg_mem_term(cinfo); /* system-dependent cleanup */
ERREXIT1(cinfo, JERR_OUT_OF_MEMORY, 0);
}
@@ -1122,7 +1142,7 @@ jinit_memory_mgr (j_common_ptr cinfo)
mem->virt_sarray_list = NULL;
mem->virt_barray_list = NULL;
- mem->total_space_allocated = SIZEOF(my_memory_mgr);
+ mem->total_space_allocated = sizeof(my_memory_mgr);
/* Declare ourselves open for business */
cinfo->mem = & mem->pub;
@@ -1134,15 +1154,15 @@ jinit_memory_mgr (j_common_ptr cinfo)
* this feature.
*/
#ifndef NO_GETENV
- { char * memenv;
+ { char *memenv;
if ((memenv = getenv("JPEGMEM")) != NULL) {
char ch = 'x';
if (sscanf(memenv, "%ld%c", &max_to_use, &ch) > 0) {
- if (ch == 'm' || ch == 'M')
- max_to_use *= 1000L;
- mem->pub.max_memory_to_use = max_to_use * 1000L;
+ if (ch == 'm' || ch == 'M')
+ max_to_use *= 1000L;
+ mem->pub.max_memory_to_use = max_to_use * 1000L;
}
}
}

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