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Made lzma_extra pointers const in lzma_options_stream.

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This commit is contained in:
Lasse Collin 2008-01-22 00:15:11 +02:00
parent 305afa38f6
commit 0ed6f1adce
2 changed files with 8 additions and 4 deletions
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4
src/liblzma/api/lzma/stream.h
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@ -111,7 +111,7 @@ typedef struct {
/**
* \brief Extra information in the Header Metadata Block
*/
lzma_extra *header;
const lzma_extra *header;
/**
* \brief Extra information in the Footer Metadata Block
@ -119,7 +119,7 @@ typedef struct {
* It is enough to set this pointer any time before calling
* lzma_code() with LZMA_FINISH as the second argument.
*/
lzma_extra *footer;
const lzma_extra *footer;
} lzma_options_stream;

8
src/liblzma/common/stream_encoder_multi.c
View file

@ -220,7 +220,11 @@ stream_encode(lzma_coder *coder, lzma_allocator *allocator,
.uncompressed_size = coder->stream_options
->uncompressed_size,
.index = NULL,
.extra = coder->stream_options->header,
// Metadata encoder doesn't modify this, but since
// the lzma_extra structure is used also when decoding
// Metadata, the pointer is not const, and we need
// to cast the constness away in the encoder.
.extra = (lzma_extra *)(coder->stream_options->header),
};
return_if_error(metadata_encoder_init(coder, allocator,
@ -238,7 +242,7 @@ stream_encode(lzma_coder *coder, lzma_allocator *allocator,
.total_size = LZMA_VLI_VALUE_UNKNOWN,
.uncompressed_size = LZMA_VLI_VALUE_UNKNOWN,
.index = lzma_info_index_get(coder->info, false),
.extra = coder->stream_options->footer,
.extra = (lzma_extra *)(coder->stream_options->footer),
};
return_if_error(metadata_encoder_init(coder, allocator,