mirror of https://git.tukaani.org/xz.git
liblzma: Similar memlimit fix for stream_, alone_, and auto_decoder.
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5761603265
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@ -520,7 +520,10 @@ extern LZMA_API(lzma_ret) lzma_stream_buffer_encode(
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*
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* \param strm Pointer to properly prepared lzma_stream
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* \param memlimit Memory usage limit as bytes. Use UINT64_MAX
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* to effectively disable the limiter.
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* to effectively disable the limiter. liblzma
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* 5.2.3 and earlier don't allow 0 here and return
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* LZMA_PROG_ERROR; later versions treat 0 as if 1
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* had been specified.
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* \param flags Bitwise-or of zero or more of the decoder flags:
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* LZMA_TELL_NO_CHECK, LZMA_TELL_UNSUPPORTED_CHECK,
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* LZMA_TELL_ANY_CHECK, LZMA_CONCATENATED
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@ -544,7 +547,10 @@ extern LZMA_API(lzma_ret) lzma_stream_decoder(
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*
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* \param strm Pointer to properly prepared lzma_stream
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* \param memlimit Memory usage limit as bytes. Use UINT64_MAX
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* to effectively disable the limiter.
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* to effectively disable the limiter. liblzma
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* 5.2.3 and earlier don't allow 0 here and return
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* LZMA_PROG_ERROR; later versions treat 0 as if 1
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* had been specified.
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* \param flags Bitwise-or of flags, or zero for no flags.
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*
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* \return - LZMA_OK: Initialization was successful.
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@ -560,9 +566,16 @@ extern LZMA_API(lzma_ret) lzma_auto_decoder(
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/**
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* \brief Initialize .lzma decoder (legacy file format)
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*
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* \param strm Pointer to properly prepared lzma_stream
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* \param memlimit Memory usage limit as bytes. Use UINT64_MAX
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* to effectively disable the limiter. liblzma
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* 5.2.3 and earlier don't allow 0 here and return
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* LZMA_PROG_ERROR; later versions treat 0 as if 1
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* had been specified.
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*
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* Valid `action' arguments to lzma_code() are LZMA_RUN and LZMA_FINISH.
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* There is no need to use LZMA_FINISH, but allowing it may simplify
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* certain types of applications.
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* There is no need to use LZMA_FINISH, but it's allowed because it may
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* simplify certain types of applications.
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*
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* \return - LZMA_OK
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* - LZMA_MEM_ERROR
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@ -203,9 +203,6 @@ lzma_alone_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
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{
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lzma_next_coder_init(&lzma_alone_decoder_init, next, allocator);
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if (memlimit == 0)
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return LZMA_PROG_ERROR;
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lzma_alone_coder *coder = next->coder;
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if (coder == NULL) {
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@ -227,7 +224,7 @@ lzma_alone_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
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coder->options.preset_dict = NULL;
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coder->options.preset_dict_size = 0;
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coder->uncompressed_size = 0;
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coder->memlimit = memlimit;
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coder->memlimit = my_max(1, memlimit);
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coder->memusage = LZMA_MEMUSAGE_BASE;
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return LZMA_OK;
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@ -155,9 +155,6 @@ auto_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
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{
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lzma_next_coder_init(&auto_decoder_init, next, allocator);
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if (memlimit == 0)
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return LZMA_PROG_ERROR;
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if (flags & ~LZMA_SUPPORTED_FLAGS)
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return LZMA_OPTIONS_ERROR;
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@ -175,7 +172,7 @@ auto_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
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coder->next = LZMA_NEXT_CODER_INIT;
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}
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coder->memlimit = memlimit;
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coder->memlimit = my_max(1, memlimit);
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coder->flags = flags;
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coder->sequence = SEQ_INIT;
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@ -422,9 +422,6 @@ lzma_stream_decoder_init(
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{
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lzma_next_coder_init(&lzma_stream_decoder_init, next, allocator);
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if (memlimit == 0)
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return LZMA_PROG_ERROR;
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if (flags & ~LZMA_SUPPORTED_FLAGS)
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return LZMA_OPTIONS_ERROR;
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@ -444,7 +441,7 @@ lzma_stream_decoder_init(
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coder->index_hash = NULL;
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}
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coder->memlimit = memlimit;
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coder->memlimit = my_max(1, memlimit);
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coder->memusage = LZMA_MEMUSAGE_BASE;
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coder->tell_no_check = (flags & LZMA_TELL_NO_CHECK) != 0;
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coder->tell_unsupported_check
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