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common: Allow a readlimit for iobuf_esopen.
* common/iobuf.c (file_es_filter_ctx_t): Add fields use_readlimit and readlimit. (file_es_filter): Implement them. (iobuf_esopen): Add new arg readlimit. * g10/decrypt-data.c (decrypt_data): Adjust for change. * g10/import.c (import_keys_es_stream): Ditto. -- This comes handy for (length,datablob) style streams. Signed-off-by: Werner Koch <wk@gnupg.org>
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4 changed files with 41 additions and 6 deletions
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@ -328,8 +328,10 @@ iobuf_t iobuf_fdopen_nc (int fd, const char *mode);
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letter 'w', creates an output filter. Otherwise, creates an input
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filter. If KEEP_OPEN is TRUE, then the stream is not closed when
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the filter is destroyed. Otherwise, the stream is closed when the
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filter is destroyed. */
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iobuf_t iobuf_esopen (estream_t estream, const char *mode, int keep_open);
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filter is destroyed. If READLIMIT is not 0 this gives a limit on
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the number of bytes to read from estream. */
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iobuf_t iobuf_esopen (estream_t estream, const char *mode, int keep_open,
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size_t readlimit);
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/* Create a filter using an existing socket. On Windows creates a
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special socket filter. On non-Windows systems simply, this simply
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