summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/libtiff/libtiff/tif_lzma.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tif_lzma.c')
-rw-r--r--src/3rdparty/libtiff/libtiff/tif_lzma.c799
1 files changed, 408 insertions, 391 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_lzma.c b/src/3rdparty/libtiff/libtiff/tif_lzma.c
index fc04647..4cfd5e8 100644
--- a/src/3rdparty/libtiff/libtiff/tif_lzma.c
+++ b/src/3rdparty/libtiff/libtiff/tif_lzma.c
@@ -33,471 +33,488 @@
* The codec is derived from ZLIB codec (tif_zip.c).
*/
-#include "tif_predict.h"
#include "lzma.h"
+#include "tif_predict.h"
#include <stdio.h>
/*
* State block for each open TIFF file using LZMA2 compression/decompression.
*/
-typedef struct {
- TIFFPredictorState predict;
- lzma_stream stream;
- lzma_filter filters[LZMA_FILTERS_MAX + 1];
- lzma_options_delta opt_delta; /* delta filter options */
- lzma_options_lzma opt_lzma; /* LZMA2 filter options */
- int preset; /* compression level */
- lzma_check check; /* type of the integrity check */
- int state; /* state flags */
+typedef struct
+{
+ TIFFPredictorState predict;
+ lzma_stream stream;
+ lzma_filter filters[LZMA_FILTERS_MAX + 1];
+ lzma_options_delta opt_delta; /* delta filter options */
+ lzma_options_lzma opt_lzma; /* LZMA2 filter options */
+ int preset; /* compression level */
+ lzma_check check; /* type of the integrity check */
+ int state; /* state flags */
#define LSTATE_INIT_DECODE 0x01
#define LSTATE_INIT_ENCODE 0x02
- TIFFVGetMethod vgetparent; /* super-class method */
- TIFFVSetMethod vsetparent; /* super-class method */
+ TIFFVGetMethod vgetparent; /* super-class method */
+ TIFFVSetMethod vsetparent; /* super-class method */
} LZMAState;
-#define LState(tif) ((LZMAState*) (tif)->tif_data)
-#define DecoderState(tif) LState(tif)
-#define EncoderState(tif) LState(tif)
+#define LState(tif) ((LZMAState *)(tif)->tif_data)
+#define DecoderState(tif) LState(tif)
+#define EncoderState(tif) LState(tif)
-static int LZMAEncode(TIFF* tif, uint8_t* bp, tmsize_t cc, uint16_t s);
-static int LZMADecode(TIFF* tif, uint8_t* op, tmsize_t occ, uint16_t s);
+static int LZMAEncode(TIFF *tif, uint8_t *bp, tmsize_t cc, uint16_t s);
+static int LZMADecode(TIFF *tif, uint8_t *op, tmsize_t occ, uint16_t s);
-static const char *
-LZMAStrerror(lzma_ret ret)
+static const char *LZMAStrerror(lzma_ret ret)
{
- switch (ret) {
- case LZMA_OK:
- return "operation completed successfully";
- case LZMA_STREAM_END:
- return "end of stream was reached";
- case LZMA_NO_CHECK:
- return "input stream has no integrity check";
- case LZMA_UNSUPPORTED_CHECK:
- return "cannot calculate the integrity check";
- case LZMA_GET_CHECK:
- return "integrity check type is now available";
- case LZMA_MEM_ERROR:
- return "cannot allocate memory";
- case LZMA_MEMLIMIT_ERROR:
- return "memory usage limit was reached";
- case LZMA_FORMAT_ERROR:
- return "file format not recognized";
- case LZMA_OPTIONS_ERROR:
- return "invalid or unsupported options";
- case LZMA_DATA_ERROR:
- return "data is corrupt";
- case LZMA_BUF_ERROR:
- return "no progress is possible (stream is truncated or corrupt)";
- case LZMA_PROG_ERROR:
- return "programming error";
- default:
- return "unidentified liblzma error";
- }
+ switch (ret)
+ {
+ case LZMA_OK:
+ return "operation completed successfully";
+ case LZMA_STREAM_END:
+ return "end of stream was reached";
+ case LZMA_NO_CHECK:
+ return "input stream has no integrity check";
+ case LZMA_UNSUPPORTED_CHECK:
+ return "cannot calculate the integrity check";
+ case LZMA_GET_CHECK:
+ return "integrity check type is now available";
+ case LZMA_MEM_ERROR:
+ return "cannot allocate memory";
+ case LZMA_MEMLIMIT_ERROR:
+ return "memory usage limit was reached";
+ case LZMA_FORMAT_ERROR:
+ return "file format not recognized";
+ case LZMA_OPTIONS_ERROR:
+ return "invalid or unsupported options";
+ case LZMA_DATA_ERROR:
+ return "data is corrupt";
+ case LZMA_BUF_ERROR:
+ return "no progress is possible (stream is truncated or corrupt)";
+ case LZMA_PROG_ERROR:
+ return "programming error";
+ default:
+ return "unidentified liblzma error";
+ }
}
-static int
-LZMAFixupTags(TIFF* tif)
+static int LZMAFixupTags(TIFF *tif)
{
- (void) tif;
- return 1;
+ (void)tif;
+ return 1;
}
-static int
-LZMASetupDecode(TIFF* tif)
+static int LZMASetupDecode(TIFF *tif)
{
- LZMAState* sp = DecoderState(tif);
-
- assert(sp != NULL);
-
- /* if we were last encoding, terminate this mode */
- if (sp->state & LSTATE_INIT_ENCODE) {
- lzma_end(&sp->stream);
- sp->state = 0;
- }
-
- sp->state |= LSTATE_INIT_DECODE;
- return 1;
+ LZMAState *sp = DecoderState(tif);
+
+ assert(sp != NULL);
+
+ /* if we were last encoding, terminate this mode */
+ if (sp->state & LSTATE_INIT_ENCODE)
+ {
+ lzma_end(&sp->stream);
+ sp->state = 0;
+ }
+
+ sp->state |= LSTATE_INIT_DECODE;
+ return 1;
}
/*
* Setup state for decoding a strip.
*/
-static int
-LZMAPreDecode(TIFF* tif, uint16_t s)
+static int LZMAPreDecode(TIFF *tif, uint16_t s)
{
- static const char module[] = "LZMAPreDecode";
- LZMAState* sp = DecoderState(tif);
- lzma_ret ret;
-
- (void) s;
- assert(sp != NULL);
-
- if( (sp->state & LSTATE_INIT_DECODE) == 0 )
- tif->tif_setupdecode(tif);
-
- sp->stream.next_in = tif->tif_rawdata;
- sp->stream.avail_in = (size_t) tif->tif_rawcc;
- if ((tmsize_t)sp->stream.avail_in != tif->tif_rawcc) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Liblzma cannot deal with buffers this size");
- return 0;
- }
-
- /*
- * Disable memory limit when decoding. UINT64_MAX is a flag to disable
- * the limit, we are passing (uint64_t)-1 which should be the same.
- */
- ret = lzma_stream_decoder(&sp->stream, (uint64_t)-1, 0);
- if (ret != LZMA_OK) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Error initializing the stream decoder, %s",
- LZMAStrerror(ret));
- return 0;
- }
- return 1;
+ static const char module[] = "LZMAPreDecode";
+ LZMAState *sp = DecoderState(tif);
+ lzma_ret ret;
+
+ (void)s;
+ assert(sp != NULL);
+
+ if ((sp->state & LSTATE_INIT_DECODE) == 0)
+ tif->tif_setupdecode(tif);
+
+ sp->stream.next_in = tif->tif_rawdata;
+ sp->stream.avail_in = (size_t)tif->tif_rawcc;
+ if ((tmsize_t)sp->stream.avail_in != tif->tif_rawcc)
+ {
+ TIFFErrorExtR(tif, module,
+ "Liblzma cannot deal with buffers this size");
+ return 0;
+ }
+
+ /*
+ * Disable memory limit when decoding. UINT64_MAX is a flag to disable
+ * the limit, we are passing (uint64_t)-1 which should be the same.
+ */
+ ret = lzma_stream_decoder(&sp->stream, (uint64_t)-1, 0);
+ if (ret != LZMA_OK)
+ {
+ TIFFErrorExtR(tif, module, "Error initializing the stream decoder, %s",
+ LZMAStrerror(ret));
+ return 0;
+ }
+ return 1;
}
-static int
-LZMADecode(TIFF* tif, uint8_t* op, tmsize_t occ, uint16_t s)
+static int LZMADecode(TIFF *tif, uint8_t *op, tmsize_t occ, uint16_t s)
{
- static const char module[] = "LZMADecode";
- LZMAState* sp = DecoderState(tif);
-
- (void) s;
- assert(sp != NULL);
- assert(sp->state == LSTATE_INIT_DECODE);
-
- sp->stream.next_in = tif->tif_rawcp;
- sp->stream.avail_in = (size_t) tif->tif_rawcc;
-
- sp->stream.next_out = op;
- sp->stream.avail_out = (size_t) occ;
- if ((tmsize_t)sp->stream.avail_out != occ) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Liblzma cannot deal with buffers this size");
- return 0;
- }
-
- do {
- /*
- * Save the current stream state to properly recover from the
- * decoding errors later.
- */
- const uint8_t *next_in = sp->stream.next_in;
- size_t avail_in = sp->stream.avail_in;
-
- lzma_ret ret = lzma_code(&sp->stream, LZMA_RUN);
- if (ret == LZMA_STREAM_END)
- break;
- if (ret == LZMA_MEMLIMIT_ERROR) {
- lzma_ret r = lzma_stream_decoder(&sp->stream,
- lzma_memusage(&sp->stream), 0);
- if (r != LZMA_OK) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Error initializing the stream decoder, %s",
- LZMAStrerror(r));
- break;
- }
- sp->stream.next_in = next_in;
- sp->stream.avail_in = avail_in;
- continue;
- }
- if (ret != LZMA_OK) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Decoding error at scanline %"PRIu32", %s",
- tif->tif_row, LZMAStrerror(ret));
- break;
- }
- } while (sp->stream.avail_out > 0);
- if (sp->stream.avail_out != 0) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Not enough data at scanline %"PRIu32" (short %"TIFF_SIZE_FORMAT" bytes)",
- tif->tif_row, sp->stream.avail_out);
- return 0;
- }
-
- tif->tif_rawcp = (uint8_t *)sp->stream.next_in; /* cast away const */
- tif->tif_rawcc = sp->stream.avail_in;
-
- return 1;
+ static const char module[] = "LZMADecode";
+ LZMAState *sp = DecoderState(tif);
+
+ (void)s;
+ assert(sp != NULL);
+ assert(sp->state == LSTATE_INIT_DECODE);
+
+ sp->stream.next_in = tif->tif_rawcp;
+ sp->stream.avail_in = (size_t)tif->tif_rawcc;
+
+ sp->stream.next_out = op;
+ sp->stream.avail_out = (size_t)occ;
+ if ((tmsize_t)sp->stream.avail_out != occ)
+ {
+ TIFFErrorExtR(tif, module,
+ "Liblzma cannot deal with buffers this size");
+ return 0;
+ }
+
+ do
+ {
+ /*
+ * Save the current stream state to properly recover from the
+ * decoding errors later.
+ */
+ const uint8_t *next_in = sp->stream.next_in;
+ size_t avail_in = sp->stream.avail_in;
+
+ lzma_ret ret = lzma_code(&sp->stream, LZMA_RUN);
+ if (ret == LZMA_STREAM_END)
+ break;
+ if (ret == LZMA_MEMLIMIT_ERROR)
+ {
+ lzma_ret r =
+ lzma_stream_decoder(&sp->stream, lzma_memusage(&sp->stream), 0);
+ if (r != LZMA_OK)
+ {
+ TIFFErrorExtR(tif, module,
+ "Error initializing the stream decoder, %s",
+ LZMAStrerror(r));
+ break;
+ }
+ sp->stream.next_in = next_in;
+ sp->stream.avail_in = avail_in;
+ continue;
+ }
+ if (ret != LZMA_OK)
+ {
+ TIFFErrorExtR(tif, module,
+ "Decoding error at scanline %" PRIu32 ", %s",
+ tif->tif_row, LZMAStrerror(ret));
+ break;
+ }
+ } while (sp->stream.avail_out > 0);
+ if (sp->stream.avail_out != 0)
+ {
+ TIFFErrorExtR(tif, module,
+ "Not enough data at scanline %" PRIu32
+ " (short %" TIFF_SIZE_FORMAT " bytes)",
+ tif->tif_row, sp->stream.avail_out);
+ return 0;
+ }
+
+ tif->tif_rawcp = (uint8_t *)sp->stream.next_in; /* cast away const */
+ tif->tif_rawcc = sp->stream.avail_in;
+
+ return 1;
}
-static int
-LZMASetupEncode(TIFF* tif)
+static int LZMASetupEncode(TIFF *tif)
{
- LZMAState* sp = EncoderState(tif);
+ LZMAState *sp = EncoderState(tif);
- assert(sp != NULL);
- if (sp->state & LSTATE_INIT_DECODE) {
- lzma_end(&sp->stream);
- sp->state = 0;
- }
+ assert(sp != NULL);
+ if (sp->state & LSTATE_INIT_DECODE)
+ {
+ lzma_end(&sp->stream);
+ sp->state = 0;
+ }
- sp->state |= LSTATE_INIT_ENCODE;
- return 1;
+ sp->state |= LSTATE_INIT_ENCODE;
+ return 1;
}
/*
* Reset encoding state at the start of a strip.
*/
-static int
-LZMAPreEncode(TIFF* tif, uint16_t s)
+static int LZMAPreEncode(TIFF *tif, uint16_t s)
{
- static const char module[] = "LZMAPreEncode";
- LZMAState *sp = EncoderState(tif);
- lzma_ret ret;
-
- (void) s;
- assert(sp != NULL);
- if( sp->state != LSTATE_INIT_ENCODE )
- tif->tif_setupencode(tif);
-
- sp->stream.next_out = tif->tif_rawdata;
- sp->stream.avail_out = (size_t)tif->tif_rawdatasize;
- if ((tmsize_t)sp->stream.avail_out != tif->tif_rawdatasize) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Liblzma cannot deal with buffers this size");
- return 0;
- }
- ret = lzma_stream_encoder(&sp->stream, sp->filters, sp->check);
- if (ret != LZMA_OK) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Error in lzma_stream_encoder(): %s", LZMAStrerror(ret));
- return 0;
- }
- return 1;
+ static const char module[] = "LZMAPreEncode";
+ LZMAState *sp = EncoderState(tif);
+ lzma_ret ret;
+
+ (void)s;
+ assert(sp != NULL);
+ if (sp->state != LSTATE_INIT_ENCODE)
+ tif->tif_setupencode(tif);
+
+ sp->stream.next_out = tif->tif_rawdata;
+ sp->stream.avail_out = (size_t)tif->tif_rawdatasize;
+ if ((tmsize_t)sp->stream.avail_out != tif->tif_rawdatasize)
+ {
+ TIFFErrorExtR(tif, module,
+ "Liblzma cannot deal with buffers this size");
+ return 0;
+ }
+ ret = lzma_stream_encoder(&sp->stream, sp->filters, sp->check);
+ if (ret != LZMA_OK)
+ {
+ TIFFErrorExtR(tif, module, "Error in lzma_stream_encoder(): %s",
+ LZMAStrerror(ret));
+ return 0;
+ }
+ return 1;
}
/*
* Encode a chunk of pixels.
*/
-static int
-LZMAEncode(TIFF* tif, uint8_t* bp, tmsize_t cc, uint16_t s)
+static int LZMAEncode(TIFF *tif, uint8_t *bp, tmsize_t cc, uint16_t s)
{
- static const char module[] = "LZMAEncode";
- LZMAState *sp = EncoderState(tif);
-
- assert(sp != NULL);
- assert(sp->state == LSTATE_INIT_ENCODE);
-
- (void) s;
- sp->stream.next_in = bp;
- sp->stream.avail_in = (size_t) cc;
- if ((tmsize_t)sp->stream.avail_in != cc) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Liblzma cannot deal with buffers this size");
- return 0;
- }
- do {
- lzma_ret ret = lzma_code(&sp->stream, LZMA_RUN);
- if (ret != LZMA_OK) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Encoding error at scanline %"PRIu32", %s",
- tif->tif_row, LZMAStrerror(ret));
- return 0;
- }
- if (sp->stream.avail_out == 0) {
- tif->tif_rawcc = tif->tif_rawdatasize;
- if (!TIFFFlushData1(tif))
- return 0;
- sp->stream.next_out = tif->tif_rawdata;
- sp->stream.avail_out = (size_t)tif->tif_rawdatasize; /* this is a safe typecast, as check is made already in LZMAPreEncode */
- }
- } while (sp->stream.avail_in > 0);
- return 1;
+ static const char module[] = "LZMAEncode";
+ LZMAState *sp = EncoderState(tif);
+
+ assert(sp != NULL);
+ assert(sp->state == LSTATE_INIT_ENCODE);
+
+ (void)s;
+ sp->stream.next_in = bp;
+ sp->stream.avail_in = (size_t)cc;
+ if ((tmsize_t)sp->stream.avail_in != cc)
+ {
+ TIFFErrorExtR(tif, module,
+ "Liblzma cannot deal with buffers this size");
+ return 0;
+ }
+ do
+ {
+ lzma_ret ret = lzma_code(&sp->stream, LZMA_RUN);
+ if (ret != LZMA_OK)
+ {
+ TIFFErrorExtR(tif, module,
+ "Encoding error at scanline %" PRIu32 ", %s",
+ tif->tif_row, LZMAStrerror(ret));
+ return 0;
+ }
+ if (sp->stream.avail_out == 0)
+ {
+ tif->tif_rawcc = tif->tif_rawdatasize;
+ if (!TIFFFlushData1(tif))
+ return 0;
+ sp->stream.next_out = tif->tif_rawdata;
+ sp->stream.avail_out =
+ (size_t)
+ tif->tif_rawdatasize; /* this is a safe typecast, as check
+ is made already in LZMAPreEncode */
+ }
+ } while (sp->stream.avail_in > 0);
+ return 1;
}
/*
* Finish off an encoded strip by flushing the last
* string and tacking on an End Of Information code.
*/
-static int
-LZMAPostEncode(TIFF* tif)
+static int LZMAPostEncode(TIFF *tif)
{
- static const char module[] = "LZMAPostEncode";
- LZMAState *sp = EncoderState(tif);
- lzma_ret ret;
-
- sp->stream.avail_in = 0;
- do {
- ret = lzma_code(&sp->stream, LZMA_FINISH);
- switch (ret) {
- case LZMA_STREAM_END:
- case LZMA_OK:
- if ((tmsize_t)sp->stream.avail_out != tif->tif_rawdatasize) {
- tif->tif_rawcc =
- tif->tif_rawdatasize - sp->stream.avail_out;
- if (!TIFFFlushData1(tif))
- return 0;
- sp->stream.next_out = tif->tif_rawdata;
- sp->stream.avail_out = (size_t)tif->tif_rawdatasize; /* this is a safe typecast, as check is made already in ZIPPreEncode */
- }
- break;
- default:
- TIFFErrorExt(tif->tif_clientdata, module, "Liblzma error: %s",
- LZMAStrerror(ret));
- return 0;
- }
- } while (ret != LZMA_STREAM_END);
- return 1;
+ static const char module[] = "LZMAPostEncode";
+ LZMAState *sp = EncoderState(tif);
+ lzma_ret ret;
+
+ sp->stream.avail_in = 0;
+ do
+ {
+ ret = lzma_code(&sp->stream, LZMA_FINISH);
+ switch (ret)
+ {
+ case LZMA_STREAM_END:
+ case LZMA_OK:
+ if ((tmsize_t)sp->stream.avail_out != tif->tif_rawdatasize)
+ {
+ tif->tif_rawcc =
+ tif->tif_rawdatasize - sp->stream.avail_out;
+ if (!TIFFFlushData1(tif))
+ return 0;
+ sp->stream.next_out = tif->tif_rawdata;
+ sp->stream.avail_out =
+ (size_t)
+ tif->tif_rawdatasize; /* this is a safe typecast, as
+ check is made already in
+ ZIPPreEncode */
+ }
+ break;
+ default:
+ TIFFErrorExtR(tif, module, "Liblzma error: %s",
+ LZMAStrerror(ret));
+ return 0;
+ }
+ } while (ret != LZMA_STREAM_END);
+ return 1;
}
-static void
-LZMACleanup(TIFF* tif)
+static void LZMACleanup(TIFF *tif)
{
- LZMAState* sp = LState(tif);
+ LZMAState *sp = LState(tif);
- assert(sp != 0);
+ assert(sp != 0);
- (void)TIFFPredictorCleanup(tif);
+ (void)TIFFPredictorCleanup(tif);
- tif->tif_tagmethods.vgetfield = sp->vgetparent;
- tif->tif_tagmethods.vsetfield = sp->vsetparent;
+ tif->tif_tagmethods.vgetfield = sp->vgetparent;
+ tif->tif_tagmethods.vsetfield = sp->vsetparent;
- if (sp->state) {
- lzma_end(&sp->stream);
- sp->state = 0;
- }
- _TIFFfree(sp);
- tif->tif_data = NULL;
+ if (sp->state)
+ {
+ lzma_end(&sp->stream);
+ sp->state = 0;
+ }
+ _TIFFfreeExt(tif, sp);
+ tif->tif_data = NULL;
- _TIFFSetDefaultCompressionState(tif);
+ _TIFFSetDefaultCompressionState(tif);
}
-static int
-LZMAVSetField(TIFF* tif, uint32_t tag, va_list ap)
+static int LZMAVSetField(TIFF *tif, uint32_t tag, va_list ap)
{
- static const char module[] = "LZMAVSetField";
- LZMAState* sp = LState(tif);
-
- switch (tag) {
- case TIFFTAG_LZMAPRESET:
- sp->preset = (int) va_arg(ap, int);
- lzma_lzma_preset(&sp->opt_lzma, sp->preset);
- if (sp->state & LSTATE_INIT_ENCODE) {
- lzma_ret ret = lzma_stream_encoder(&sp->stream,
- sp->filters,
- sp->check);
- if (ret != LZMA_OK) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Liblzma error: %s",
- LZMAStrerror(ret));
- }
- }
- return 1;
- default:
- return (*sp->vsetparent)(tif, tag, ap);
- }
- /*NOTREACHED*/
+ static const char module[] = "LZMAVSetField";
+ LZMAState *sp = LState(tif);
+
+ switch (tag)
+ {
+ case TIFFTAG_LZMAPRESET:
+ sp->preset = (int)va_arg(ap, int);
+ lzma_lzma_preset(&sp->opt_lzma, sp->preset);
+ if (sp->state & LSTATE_INIT_ENCODE)
+ {
+ lzma_ret ret =
+ lzma_stream_encoder(&sp->stream, sp->filters, sp->check);
+ if (ret != LZMA_OK)
+ {
+ TIFFErrorExtR(tif, module, "Liblzma error: %s",
+ LZMAStrerror(ret));
+ }
+ }
+ return 1;
+ default:
+ return (*sp->vsetparent)(tif, tag, ap);
+ }
+ /*NOTREACHED*/
}
-static int
-LZMAVGetField(TIFF* tif, uint32_t tag, va_list ap)
+static int LZMAVGetField(TIFF *tif, uint32_t tag, va_list ap)
{
- LZMAState* sp = LState(tif);
-
- switch (tag) {
- case TIFFTAG_LZMAPRESET:
- *va_arg(ap, int*) = sp->preset;
- break;
- default:
- return (*sp->vgetparent)(tif, tag, ap);
- }
- return 1;
+ LZMAState *sp = LState(tif);
+
+ switch (tag)
+ {
+ case TIFFTAG_LZMAPRESET:
+ *va_arg(ap, int *) = sp->preset;
+ break;
+ default:
+ return (*sp->vgetparent)(tif, tag, ap);
+ }
+ return 1;
}
static const TIFFField lzmaFields[] = {
- { TIFFTAG_LZMAPRESET, 0, 0, TIFF_ANY, 0, TIFF_SETGET_INT, TIFF_SETGET_UNDEFINED,
- FIELD_PSEUDO, TRUE, FALSE, "LZMA2 Compression Preset", NULL },
+ {TIFFTAG_LZMAPRESET, 0, 0, TIFF_ANY, 0, TIFF_SETGET_INT,
+ TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, TRUE, FALSE,
+ "LZMA2 Compression Preset", NULL},
};
-int
-TIFFInitLZMA(TIFF* tif, int scheme)
+int TIFFInitLZMA(TIFF *tif, int scheme)
{
- static const char module[] = "TIFFInitLZMA";
- LZMAState* sp;
- lzma_stream tmp_stream = LZMA_STREAM_INIT;
-
- (void)scheme;
- assert( scheme == COMPRESSION_LZMA );
-
- /*
- * Merge codec-specific tag information.
- */
- if (!_TIFFMergeFields(tif, lzmaFields, TIFFArrayCount(lzmaFields))) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Merging LZMA2 codec-specific tags failed");
- return 0;
- }
-
- /*
- * Allocate state block so tag methods have storage to record values.
- */
- tif->tif_data = (uint8_t*) _TIFFmalloc(sizeof(LZMAState));
- if (tif->tif_data == NULL)
- goto bad;
- sp = LState(tif);
- memcpy(&sp->stream, &tmp_stream, sizeof(lzma_stream));
-
- /*
- * Override parent get/set field methods.
- */
- sp->vgetparent = tif->tif_tagmethods.vgetfield;
- tif->tif_tagmethods.vgetfield = LZMAVGetField; /* hook for codec tags */
- sp->vsetparent = tif->tif_tagmethods.vsetfield;
- tif->tif_tagmethods.vsetfield = LZMAVSetField; /* hook for codec tags */
-
- /* Default values for codec-specific fields */
- sp->preset = LZMA_PRESET_DEFAULT; /* default comp. level */
- sp->check = LZMA_CHECK_NONE;
- sp->state = 0;
-
- /* Data filters. So far we are using delta and LZMA2 filters only. */
- sp->opt_delta.type = LZMA_DELTA_TYPE_BYTE;
- /*
- * The sample size in bytes seems to be reasonable distance for delta
- * filter.
- */
- sp->opt_delta.dist = (tif->tif_dir.td_bitspersample % 8) ?
- 1 : tif->tif_dir.td_bitspersample / 8;
- sp->filters[0].id = LZMA_FILTER_DELTA;
- sp->filters[0].options = &sp->opt_delta;
-
- lzma_lzma_preset(&sp->opt_lzma, sp->preset);
- sp->filters[1].id = LZMA_FILTER_LZMA2;
- sp->filters[1].options = &sp->opt_lzma;
-
- sp->filters[2].id = LZMA_VLI_UNKNOWN;
- sp->filters[2].options = NULL;
-
- /*
- * Install codec methods.
- */
- tif->tif_fixuptags = LZMAFixupTags;
- tif->tif_setupdecode = LZMASetupDecode;
- tif->tif_predecode = LZMAPreDecode;
- tif->tif_decoderow = LZMADecode;
- tif->tif_decodestrip = LZMADecode;
- tif->tif_decodetile = LZMADecode;
- tif->tif_setupencode = LZMASetupEncode;
- tif->tif_preencode = LZMAPreEncode;
- tif->tif_postencode = LZMAPostEncode;
- tif->tif_encoderow = LZMAEncode;
- tif->tif_encodestrip = LZMAEncode;
- tif->tif_encodetile = LZMAEncode;
- tif->tif_cleanup = LZMACleanup;
- /*
- * Setup predictor setup.
- */
- (void) TIFFPredictorInit(tif);
- return 1;
+ static const char module[] = "TIFFInitLZMA";
+ LZMAState *sp;
+ lzma_stream tmp_stream = LZMA_STREAM_INIT;
+
+ (void)scheme;
+ assert(scheme == COMPRESSION_LZMA);
+
+ /*
+ * Merge codec-specific tag information.
+ */
+ if (!_TIFFMergeFields(tif, lzmaFields, TIFFArrayCount(lzmaFields)))
+ {
+ TIFFErrorExtR(tif, module, "Merging LZMA2 codec-specific tags failed");
+ return 0;
+ }
+
+ /*
+ * Allocate state block so tag methods have storage to record values.
+ */
+ tif->tif_data = (uint8_t *)_TIFFmallocExt(tif, sizeof(LZMAState));
+ if (tif->tif_data == NULL)
+ goto bad;
+ sp = LState(tif);
+ memcpy(&sp->stream, &tmp_stream, sizeof(lzma_stream));
+
+ /*
+ * Override parent get/set field methods.
+ */
+ sp->vgetparent = tif->tif_tagmethods.vgetfield;
+ tif->tif_tagmethods.vgetfield = LZMAVGetField; /* hook for codec tags */
+ sp->vsetparent = tif->tif_tagmethods.vsetfield;
+ tif->tif_tagmethods.vsetfield = LZMAVSetField; /* hook for codec tags */
+
+ /* Default values for codec-specific fields */
+ sp->preset = LZMA_PRESET_DEFAULT; /* default comp. level */
+ sp->check = LZMA_CHECK_NONE;
+ sp->state = 0;
+
+ /* Data filters. So far we are using delta and LZMA2 filters only. */
+ sp->opt_delta.type = LZMA_DELTA_TYPE_BYTE;
+ /*
+ * The sample size in bytes seems to be reasonable distance for delta
+ * filter.
+ */
+ sp->opt_delta.dist = (tif->tif_dir.td_bitspersample % 8)
+ ? 1
+ : tif->tif_dir.td_bitspersample / 8;
+ sp->filters[0].id = LZMA_FILTER_DELTA;
+ sp->filters[0].options = &sp->opt_delta;
+
+ lzma_lzma_preset(&sp->opt_lzma, sp->preset);
+ sp->filters[1].id = LZMA_FILTER_LZMA2;
+ sp->filters[1].options = &sp->opt_lzma;
+
+ sp->filters[2].id = LZMA_VLI_UNKNOWN;
+ sp->filters[2].options = NULL;
+
+ /*
+ * Install codec methods.
+ */
+ tif->tif_fixuptags = LZMAFixupTags;
+ tif->tif_setupdecode = LZMASetupDecode;
+ tif->tif_predecode = LZMAPreDecode;
+ tif->tif_decoderow = LZMADecode;
+ tif->tif_decodestrip = LZMADecode;
+ tif->tif_decodetile = LZMADecode;
+ tif->tif_setupencode = LZMASetupEncode;
+ tif->tif_preencode = LZMAPreEncode;
+ tif->tif_postencode = LZMAPostEncode;
+ tif->tif_encoderow = LZMAEncode;
+ tif->tif_encodestrip = LZMAEncode;
+ tif->tif_encodetile = LZMAEncode;
+ tif->tif_cleanup = LZMACleanup;
+ /*
+ * Setup predictor setup.
+ */
+ (void)TIFFPredictorInit(tif);
+ return 1;
bad:
- TIFFErrorExt(tif->tif_clientdata, module,
- "No space for LZMA2 state block");
- return 0;
+ TIFFErrorExtR(tif, module, "No space for LZMA2 state block");
+ return 0;
}
#endif /* LZMA_SUPPORT */
-
-/* vim: set ts=8 sts=8 sw=8 noet: */