summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/libjpeg/src/jmemmgr.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/libjpeg/src/jmemmgr.c')
-rw-r--r--src/3rdparty/libjpeg/src/jmemmgr.c304
1 files changed, 150 insertions, 154 deletions
diff --git a/src/3rdparty/libjpeg/src/jmemmgr.c b/src/3rdparty/libjpeg/src/jmemmgr.c
index 8dfb633dae..508ca7429c 100644
--- a/src/3rdparty/libjpeg/src/jmemmgr.c
+++ b/src/3rdparty/libjpeg/src/jmemmgr.c
@@ -32,20 +32,20 @@
#include "jinclude.h"
#include "jpeglib.h"
#include "jmemsys.h" /* import the system-dependent declarations */
-#ifndef _WIN32
+#if !defined(_MSC_VER) || _MSC_VER > 1600
#include <stdint.h>
#endif
#include <limits.h>
#ifndef NO_GETENV
#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare getenv() */
-extern char *getenv (const char *name);
+extern char *getenv(const char *name);
#endif
#endif
LOCAL(size_t)
-round_up_pow2 (size_t a, size_t b)
+round_up_pow2(size_t a, size_t b)
/* a rounded up to the next multiple of b, i.e. ceil(a/b)*b */
/* Assumes a >= 0, b > 0, and b is a power of 2 */
{
@@ -89,7 +89,9 @@ round_up_pow2 (size_t a, size_t b)
#ifndef WITH_SIMD
#define ALIGN_SIZE sizeof(double)
#else
-#define ALIGN_SIZE 16 /* Most SIMD implementations require this */
+#define ALIGN_SIZE 32 /* Most of the SIMD instructions we support require
+ 16-byte (128-bit) alignment, but AVX2 requires
+ 32-byte alignment. */
#endif
#endif
@@ -104,7 +106,7 @@ round_up_pow2 (size_t a, size_t b)
typedef struct small_pool_struct *small_pool_ptr;
typedef struct small_pool_struct {
- small_pool_ptr next; /* next in list of pools */
+ 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;
@@ -112,7 +114,7 @@ typedef struct small_pool_struct {
typedef struct large_pool_struct *large_pool_ptr;
typedef struct large_pool_struct {
- large_pool_ptr next; /* next in list of pools */
+ 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;
@@ -191,9 +193,9 @@ struct jvirt_barray_control {
#ifdef MEM_STATS /* optional extra stuff for statistics */
LOCAL(void)
-print_mem_stats (j_common_ptr cinfo, int pool_id)
+print_mem_stats(j_common_ptr cinfo, int pool_id)
{
- my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
+ my_mem_ptr mem = (my_mem_ptr)cinfo->mem;
small_pool_ptr shdr_ptr;
large_pool_ptr lhdr_ptr;
@@ -206,15 +208,13 @@ print_mem_stats (j_common_ptr cinfo, int pool_id)
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);
+ fprintf(stderr, " Large chunk used %ld\n", (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);
}
}
@@ -222,7 +222,7 @@ print_mem_stats (j_common_ptr cinfo, int pool_id)
LOCAL(void)
-out_of_memory (j_common_ptr cinfo, int which)
+out_of_memory(j_common_ptr cinfo, int which)
/* Report an out-of-memory error and stop execution */
/* If we compiled MEM_STATS support, report alloc requests before dying */
{
@@ -250,26 +250,24 @@ out_of_memory (j_common_ptr cinfo, int which)
* adjustment.
*/
-static const size_t first_pool_slop[JPOOL_NUMPOOLS] =
-{
- 1600, /* first PERMANENT pool */
- 16000 /* first IMAGE pool */
+static const size_t first_pool_slop[JPOOL_NUMPOOLS] = {
+ 1600, /* first PERMANENT pool */
+ 16000 /* first IMAGE pool */
};
-static const size_t extra_pool_slop[JPOOL_NUMPOOLS] =
-{
- 0, /* additional PERMANENT pools */
- 5000 /* additional IMAGE pools */
+static const size_t extra_pool_slop[JPOOL_NUMPOOLS] = {
+ 0, /* additional PERMANENT pools */
+ 5000 /* additional IMAGE pools */
};
#define MIN_SLOP 50 /* greater than 0 to avoid futile looping */
METHODDEF(void *)
-alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
+alloc_small(j_common_ptr cinfo, int pool_id, size_t sizeofobject)
/* Allocate a "small" object */
{
- my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
+ my_mem_ptr mem = (my_mem_ptr)cinfo->mem;
small_pool_ptr hdr_ptr, prev_hdr_ptr;
char *data_ptr;
size_t min_request, slop;
@@ -313,11 +311,11 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
else
slop = extra_pool_slop[pool_id];
/* Don't ask for more than MAX_ALLOC_CHUNK */
- if (slop > (size_t) (MAX_ALLOC_CHUNK-min_request))
- slop = (size_t) (MAX_ALLOC_CHUNK-min_request);
+ if (slop > (size_t)(MAX_ALLOC_CHUNK - min_request))
+ slop = (size_t)(MAX_ALLOC_CHUNK - min_request);
/* Try to get space, if fail reduce slop and try again */
for (;;) {
- hdr_ptr = (small_pool_ptr) jpeg_get_small(cinfo, min_request + slop);
+ hdr_ptr = (small_pool_ptr)jpeg_get_small(cinfo, min_request + slop);
if (hdr_ptr != NULL)
break;
slop /= 2;
@@ -336,7 +334,7 @@ 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 = (char *)hdr_ptr; /* point to first data byte in pool... */
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;
@@ -344,7 +342,7 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
hdr_ptr->bytes_used += sizeofobject;
hdr_ptr->bytes_left -= sizeofobject;
- return (void *) data_ptr;
+ return (void *)data_ptr;
}
@@ -362,10 +360,10 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
*/
METHODDEF(void *)
-alloc_large (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
+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;
+ my_mem_ptr mem = (my_mem_ptr)cinfo->mem;
large_pool_ptr hdr_ptr;
char *data_ptr;
@@ -390,9 +388,9 @@ alloc_large (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
if (pool_id < 0 || pool_id >= JPOOL_NUMPOOLS)
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);
+ hdr_ptr = (large_pool_ptr)jpeg_get_large(cinfo, sizeofobject +
+ 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) +
@@ -407,12 +405,12 @@ alloc_large (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
hdr_ptr->bytes_left = 0;
mem->large_list[pool_id] = hdr_ptr;
- data_ptr = (char *) hdr_ptr; /* point to first data byte in pool... */
+ data_ptr = (char *)hdr_ptr; /* point to first data byte in pool... */
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 *) data_ptr;
+ return (void *)data_ptr;
}
@@ -433,11 +431,11 @@ 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)
+alloc_sarray(j_common_ptr cinfo, int pool_id, JDIMENSION samplesperrow,
+ JDIMENSION numrows)
/* Allocate a 2-D sample array */
{
- my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
+ my_mem_ptr mem = (my_mem_ptr)cinfo->mem;
JSAMPARRAY result;
JSAMPROW workspace;
JDIMENSION rowsperchunk, currow, i;
@@ -456,27 +454,27 @@ alloc_sarray (j_common_ptr cinfo, int pool_id,
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)
- rowsperchunk = (JDIMENSION) ltemp;
+ if (ltemp < (long)numrows)
+ rowsperchunk = (JDIMENSION)ltemp;
else
rowsperchunk = numrows;
mem->last_rowsperchunk = rowsperchunk;
/* Get space for row pointers (small object) */
- result = (JSAMPARRAY) alloc_small(cinfo, pool_id,
- (size_t) (numrows * sizeof(JSAMPROW)));
+ result = (JSAMPARRAY)alloc_small(cinfo, pool_id,
+ (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)));
+ workspace = (JSAMPROW)alloc_large(cinfo, pool_id,
+ (size_t)((size_t)rowsperchunk * (size_t)samplesperrow *
+ sizeof(JSAMPLE)));
for (i = rowsperchunk; i > 0; i--) {
result[currow++] = workspace;
workspace += samplesperrow;
@@ -493,11 +491,11 @@ alloc_sarray (j_common_ptr cinfo, int pool_id,
*/
METHODDEF(JBLOCKARRAY)
-alloc_barray (j_common_ptr cinfo, int pool_id,
- JDIMENSION blocksperrow, JDIMENSION numrows)
+alloc_barray(j_common_ptr cinfo, int pool_id, JDIMENSION blocksperrow,
+ JDIMENSION numrows)
/* Allocate a 2-D coefficient-block array */
{
- my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
+ my_mem_ptr mem = (my_mem_ptr)cinfo->mem;
JBLOCKARRAY result;
JBLOCKROW workspace;
JDIMENSION rowsperchunk, currow, i;
@@ -508,27 +506,27 @@ alloc_barray (j_common_ptr cinfo, int pool_id,
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)
- rowsperchunk = (JDIMENSION) ltemp;
+ if (ltemp < (long)numrows)
+ rowsperchunk = (JDIMENSION)ltemp;
else
rowsperchunk = numrows;
mem->last_rowsperchunk = rowsperchunk;
/* Get space for row pointers (small object) */
- result = (JBLOCKARRAY) alloc_small(cinfo, pool_id,
- (size_t) (numrows * sizeof(JBLOCKROW)));
+ result = (JBLOCKARRAY)alloc_small(cinfo, pool_id,
+ (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)));
+ workspace = (JBLOCKROW)alloc_large(cinfo, pool_id,
+ (size_t)((size_t)rowsperchunk * (size_t)blocksperrow *
+ sizeof(JBLOCK)));
for (i = rowsperchunk; i > 0; i--) {
result[currow++] = workspace;
workspace += blocksperrow;
@@ -577,12 +575,12 @@ 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)
+request_virt_sarray(j_common_ptr cinfo, int pool_id, boolean pre_zero,
+ JDIMENSION samplesperrow, JDIMENSION numrows,
+ JDIMENSION maxaccess)
/* Request a virtual 2-D sample array */
{
- my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
+ my_mem_ptr mem = (my_mem_ptr)cinfo->mem;
jvirt_sarray_ptr result;
/* Only IMAGE-lifetime virtual arrays are currently supported */
@@ -590,8 +588,8 @@ request_virt_sarray (j_common_ptr cinfo, int pool_id, boolean pre_zero,
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));
+ result = (jvirt_sarray_ptr)alloc_small(cinfo, pool_id,
+ sizeof(struct jvirt_sarray_control));
result->mem_buffer = NULL; /* marks array not yet realized */
result->rows_in_array = numrows;
@@ -607,12 +605,12 @@ 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)
+request_virt_barray(j_common_ptr cinfo, int pool_id, boolean pre_zero,
+ JDIMENSION blocksperrow, JDIMENSION numrows,
+ JDIMENSION maxaccess)
/* Request a virtual 2-D coefficient-block array */
{
- my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
+ my_mem_ptr mem = (my_mem_ptr)cinfo->mem;
jvirt_barray_ptr result;
/* Only IMAGE-lifetime virtual arrays are currently supported */
@@ -620,8 +618,8 @@ request_virt_barray (j_common_ptr cinfo, int pool_id, boolean pre_zero,
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));
+ result = (jvirt_barray_ptr)alloc_small(cinfo, pool_id,
+ sizeof(struct jvirt_barray_control));
result->mem_buffer = NULL; /* marks array not yet realized */
result->rows_in_array = numrows;
@@ -637,10 +635,10 @@ request_virt_barray (j_common_ptr cinfo, int pool_id, boolean pre_zero,
METHODDEF(void)
-realize_virt_arrays (j_common_ptr cinfo)
+realize_virt_arrays(j_common_ptr cinfo)
/* Allocate the in-memory buffers for any unrealized virtual arrays */
{
- my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
+ my_mem_ptr mem = (my_mem_ptr)cinfo->mem;
size_t space_per_minheight, maximum_space, avail_mem;
size_t minheights, max_minheights;
jvirt_sarray_ptr sptr;
@@ -654,11 +652,11 @@ realize_virt_arrays (j_common_ptr cinfo)
maximum_space = 0;
for (sptr = mem->virt_sarray_list; sptr != NULL; sptr = sptr->next) {
if (sptr->mem_buffer == NULL) { /* if not realized yet */
- size_t new_space = (long) sptr->rows_in_array *
- (long) sptr->samplesperrow * sizeof(JSAMPLE);
+ size_t new_space = (long)sptr->rows_in_array *
+ (long)sptr->samplesperrow * sizeof(JSAMPLE);
- space_per_minheight += (long) sptr->maxaccess *
- (long) sptr->samplesperrow * sizeof(JSAMPLE);
+ space_per_minheight += (long)sptr->maxaccess *
+ (long)sptr->samplesperrow * sizeof(JSAMPLE);
if (SIZE_MAX - maximum_space < new_space)
out_of_memory(cinfo, 10);
maximum_space += new_space;
@@ -666,11 +664,11 @@ realize_virt_arrays (j_common_ptr cinfo)
}
for (bptr = mem->virt_barray_list; bptr != NULL; bptr = bptr->next) {
if (bptr->mem_buffer == NULL) { /* if not realized yet */
- size_t new_space = (long) bptr->rows_in_array *
- (long) bptr->blocksperrow * sizeof(JBLOCK);
+ size_t new_space = (long)bptr->rows_in_array *
+ (long)bptr->blocksperrow * sizeof(JBLOCK);
- space_per_minheight += (long) bptr->maxaccess *
- (long) bptr->blocksperrow * sizeof(JBLOCK);
+ space_per_minheight += (long)bptr->maxaccess *
+ (long)bptr->blocksperrow * sizeof(JBLOCK);
if (SIZE_MAX - maximum_space < new_space)
out_of_memory(cinfo, 11);
maximum_space += new_space;
@@ -703,17 +701,17 @@ 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 */
- minheights = ((long) sptr->rows_in_array - 1L) / sptr->maxaccess + 1L;
+ 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;
} 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->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,
@@ -727,17 +725,17 @@ realize_virt_arrays (j_common_ptr cinfo)
for (bptr = mem->virt_barray_list; bptr != NULL; bptr = bptr->next) {
if (bptr->mem_buffer == NULL) { /* if not realized yet */
- minheights = ((long) bptr->rows_in_array - 1L) / bptr->maxaccess + 1L;
+ 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;
} 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->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,
@@ -752,32 +750,32 @@ realize_virt_arrays (j_common_ptr cinfo)
LOCAL(void)
-do_sarray_io (j_common_ptr cinfo, jvirt_sarray_ptr ptr, boolean writing)
+do_sarray_io(j_common_ptr cinfo, jvirt_sarray_ptr ptr, boolean writing)
/* Do backing store read or write of a virtual sample array */
{
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) {
+ for (i = 0; i < (long)ptr->rows_in_mem; i += ptr->rowsperchunk) {
/* One chunk, but check for short chunk at end of buffer */
- rows = MIN((long) ptr->rowsperchunk, (long) ptr->rows_in_mem - i);
+ rows = MIN((long)ptr->rowsperchunk, (long)ptr->rows_in_mem - i);
/* Transfer no more than is currently defined */
- thisrow = (long) ptr->cur_start_row + i;
- rows = MIN(rows, (long) ptr->first_undef_row - thisrow);
+ thisrow = (long)ptr->cur_start_row + i;
+ 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);
+ rows = MIN(rows, (long)ptr->rows_in_array - thisrow);
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 *) ptr->mem_buffer[i],
+ (*ptr->b_s_info.write_backing_store) (cinfo, &ptr->b_s_info,
+ (void *)ptr->mem_buffer[i],
file_offset, byte_count);
else
- (*ptr->b_s_info.read_backing_store) (cinfo, & ptr->b_s_info,
- (void *) ptr->mem_buffer[i],
+ (*ptr->b_s_info.read_backing_store) (cinfo, &ptr->b_s_info,
+ (void *)ptr->mem_buffer[i],
file_offset, byte_count);
file_offset += byte_count;
}
@@ -785,32 +783,32 @@ do_sarray_io (j_common_ptr cinfo, jvirt_sarray_ptr ptr, boolean writing)
LOCAL(void)
-do_barray_io (j_common_ptr cinfo, jvirt_barray_ptr ptr, boolean writing)
+do_barray_io(j_common_ptr cinfo, jvirt_barray_ptr ptr, boolean writing)
/* Do backing store read or write of a virtual coefficient-block array */
{
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) {
+ for (i = 0; i < (long)ptr->rows_in_mem; i += ptr->rowsperchunk) {
/* One chunk, but check for short chunk at end of buffer */
- rows = MIN((long) ptr->rowsperchunk, (long) ptr->rows_in_mem - i);
+ rows = MIN((long)ptr->rowsperchunk, (long)ptr->rows_in_mem - i);
/* Transfer no more than is currently defined */
- thisrow = (long) ptr->cur_start_row + i;
- rows = MIN(rows, (long) ptr->first_undef_row - thisrow);
+ thisrow = (long)ptr->cur_start_row + i;
+ 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);
+ rows = MIN(rows, (long)ptr->rows_in_array - thisrow);
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 *) ptr->mem_buffer[i],
+ (*ptr->b_s_info.write_backing_store) (cinfo, &ptr->b_s_info,
+ (void *)ptr->mem_buffer[i],
file_offset, byte_count);
else
- (*ptr->b_s_info.read_backing_store) (cinfo, & ptr->b_s_info,
- (void *) ptr->mem_buffer[i],
+ (*ptr->b_s_info.read_backing_store) (cinfo, &ptr->b_s_info,
+ (void *)ptr->mem_buffer[i],
file_offset, byte_count);
file_offset += byte_count;
}
@@ -818,9 +816,8 @@ 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)
+access_virt_sarray(j_common_ptr cinfo, jvirt_sarray_ptr ptr,
+ 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. */
@@ -835,8 +832,8 @@ access_virt_sarray (j_common_ptr cinfo, jvirt_sarray_ptr ptr,
/* Make the desired part of the virtual array accessible */
if (start_row < ptr->cur_start_row ||
- end_row > ptr->cur_start_row+ptr->rows_in_mem) {
- if (! ptr->b_s_open)
+ end_row > ptr->cur_start_row + ptr->rows_in_mem) {
+ if (!ptr->b_s_open)
ERREXIT(cinfo, JERR_VIRTUAL_BUG);
/* Flush old buffer contents if necessary */
if (ptr->dirty) {
@@ -856,10 +853,10 @@ access_virt_sarray (j_common_ptr cinfo, jvirt_sarray_ptr ptr,
/* use long arithmetic here to avoid overflow & unsigned problems */
long ltemp;
- ltemp = (long) end_row - (long) ptr->rows_in_mem;
+ ltemp = (long)end_row - (long)ptr->rows_in_mem;
if (ltemp < 0)
ltemp = 0; /* don't fall off front end of file */
- ptr->cur_start_row = (JDIMENSION) ltemp;
+ ptr->cur_start_row = (JDIMENSION)ltemp;
}
/* Read in the selected part of the array.
* During the initial write pass, we will do no actual read
@@ -882,15 +879,15 @@ access_virt_sarray (j_common_ptr cinfo, jvirt_sarray_ptr ptr,
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 *) ptr->mem_buffer[undef_row], bytesperrow);
+ jzero_far((void *)ptr->mem_buffer[undef_row], bytesperrow);
undef_row++;
}
} else {
- if (! writable) /* reader looking at undefined data */
+ if (!writable) /* reader looking at undefined data */
ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS);
}
}
@@ -903,9 +900,8 @@ 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)
+access_virt_barray(j_common_ptr cinfo, jvirt_barray_ptr ptr,
+ 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. */
@@ -920,8 +916,8 @@ access_virt_barray (j_common_ptr cinfo, jvirt_barray_ptr ptr,
/* Make the desired part of the virtual array accessible */
if (start_row < ptr->cur_start_row ||
- end_row > ptr->cur_start_row+ptr->rows_in_mem) {
- if (! ptr->b_s_open)
+ end_row > ptr->cur_start_row + ptr->rows_in_mem) {
+ if (!ptr->b_s_open)
ERREXIT(cinfo, JERR_VIRTUAL_BUG);
/* Flush old buffer contents if necessary */
if (ptr->dirty) {
@@ -941,10 +937,10 @@ access_virt_barray (j_common_ptr cinfo, jvirt_barray_ptr ptr,
/* use long arithmetic here to avoid overflow & unsigned problems */
long ltemp;
- ltemp = (long) end_row - (long) ptr->rows_in_mem;
+ ltemp = (long)end_row - (long)ptr->rows_in_mem;
if (ltemp < 0)
ltemp = 0; /* don't fall off front end of file */
- ptr->cur_start_row = (JDIMENSION) ltemp;
+ ptr->cur_start_row = (JDIMENSION)ltemp;
}
/* Read in the selected part of the array.
* During the initial write pass, we will do no actual read
@@ -967,15 +963,15 @@ access_virt_barray (j_common_ptr cinfo, jvirt_barray_ptr ptr,
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 *) ptr->mem_buffer[undef_row], bytesperrow);
+ jzero_far((void *)ptr->mem_buffer[undef_row], bytesperrow);
undef_row++;
}
} else {
- if (! writable) /* reader looking at undefined data */
+ if (!writable) /* reader looking at undefined data */
ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS);
}
}
@@ -992,9 +988,9 @@ access_virt_barray (j_common_ptr cinfo, jvirt_barray_ptr ptr,
*/
METHODDEF(void)
-free_pool (j_common_ptr cinfo, int pool_id)
+free_pool(j_common_ptr cinfo, int pool_id)
{
- my_mem_ptr mem = (my_mem_ptr) cinfo->mem;
+ my_mem_ptr mem = (my_mem_ptr)cinfo->mem;
small_pool_ptr shdr_ptr;
large_pool_ptr lhdr_ptr;
size_t space_freed;
@@ -1015,14 +1011,14 @@ free_pool (j_common_ptr cinfo, int pool_id)
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);
+ (*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);
+ (*bptr->b_s_info.close_backing_store) (cinfo, &bptr->b_s_info);
}
}
mem->virt_barray_list = NULL;
@@ -1037,7 +1033,7 @@ free_pool (j_common_ptr cinfo, int pool_id)
space_freed = lhdr_ptr->bytes_used +
lhdr_ptr->bytes_left +
sizeof(large_pool_hdr);
- jpeg_free_large(cinfo, (void *) lhdr_ptr, space_freed);
+ jpeg_free_large(cinfo, (void *)lhdr_ptr, space_freed);
mem->total_space_allocated -= space_freed;
lhdr_ptr = next_lhdr_ptr;
}
@@ -1048,10 +1044,9 @@ 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 +
+ space_freed = shdr_ptr->bytes_used + shdr_ptr->bytes_left +
sizeof(small_pool_hdr);
- jpeg_free_small(cinfo, (void *) shdr_ptr, space_freed);
+ jpeg_free_small(cinfo, (void *)shdr_ptr, space_freed);
mem->total_space_allocated -= space_freed;
shdr_ptr = next_shdr_ptr;
}
@@ -1064,7 +1059,7 @@ free_pool (j_common_ptr cinfo, int pool_id)
*/
METHODDEF(void)
-self_destruct (j_common_ptr cinfo)
+self_destruct(j_common_ptr cinfo)
{
int pool;
@@ -1072,12 +1067,12 @@ self_destruct (j_common_ptr cinfo)
* Releasing pools in reverse order might help avoid fragmentation
* with some (brain-damaged) malloc libraries.
*/
- for (pool = JPOOL_NUMPOOLS-1; pool >= JPOOL_PERMANENT; pool--) {
+ for (pool = JPOOL_NUMPOOLS - 1; pool >= JPOOL_PERMANENT; pool--) {
free_pool(cinfo, pool);
}
/* Release the memory manager control block too. */
- jpeg_free_small(cinfo, (void *) cinfo->mem, sizeof(my_memory_mgr));
+ 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 */
@@ -1090,7 +1085,7 @@ self_destruct (j_common_ptr cinfo)
*/
GLOBAL(void)
-jinit_memory_mgr (j_common_ptr cinfo)
+jinit_memory_mgr(j_common_ptr cinfo)
{
my_mem_ptr mem;
long max_to_use;
@@ -1106,22 +1101,22 @@ jinit_memory_mgr (j_common_ptr cinfo)
* in common if and only if X is a power of 2, ie has only one one-bit.
* Some compilers may give an "unreachable code" warning here; ignore it.
*/
- if ((ALIGN_SIZE & (ALIGN_SIZE-1)) != 0)
+ if ((ALIGN_SIZE & (ALIGN_SIZE - 1)) != 0)
ERREXIT(cinfo, JERR_BAD_ALIGN_TYPE);
/* MAX_ALLOC_CHUNK must be representable as type size_t, and must be
* a multiple of ALIGN_SIZE.
* Again, an "unreachable code" warning may be ignored here.
* But a "constant too large" warning means you need to fix MAX_ALLOC_CHUNK.
*/
- test_mac = (size_t) MAX_ALLOC_CHUNK;
- if ((long) test_mac != MAX_ALLOC_CHUNK ||
+ test_mac = (size_t)MAX_ALLOC_CHUNK;
+ if ((long)test_mac != MAX_ALLOC_CHUNK ||
(MAX_ALLOC_CHUNK % ALIGN_SIZE) != 0)
ERREXIT(cinfo, JERR_BAD_ALLOC_CHUNK);
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 */
@@ -1147,7 +1142,7 @@ jinit_memory_mgr (j_common_ptr cinfo)
/* Initialize working state */
mem->pub.max_memory_to_use = max_to_use;
- for (pool = JPOOL_NUMPOOLS-1; pool >= JPOOL_PERMANENT; pool--) {
+ for (pool = JPOOL_NUMPOOLS - 1; pool >= JPOOL_PERMANENT; pool--) {
mem->small_list[pool] = NULL;
mem->large_list[pool] = NULL;
}
@@ -1157,7 +1152,7 @@ jinit_memory_mgr (j_common_ptr cinfo)
mem->total_space_allocated = sizeof(my_memory_mgr);
/* Declare ourselves open for business */
- cinfo->mem = & mem->pub;
+ cinfo->mem = &mem->pub;
/* Check for an environment variable JPEGMEM; if found, override the
* default max_memory setting from jpeg_mem_init. Note that the
@@ -1166,7 +1161,8 @@ jinit_memory_mgr (j_common_ptr cinfo)
* this feature.
*/
#ifndef NO_GETENV
- { char *memenv;
+ {
+ char *memenv;
if ((memenv = getenv("JPEGMEM")) != NULL) {
char ch = 'x';