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Require that clients call pdf_needs_password/pdf_authenticate_password
instead. For dumb clients, we still allow for decrypting a file with
a blank password without calling those functions.
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The new fz_malloc_struct(A,B) macro allocates sizeof(B) bytes using
fz_malloc, and then passes the resultant pointer to Memento_label
to label it with "B".
This costs nothing in non-memento builds, but gives much nicer
listings of leaked blocks when memento is enabled.
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Also: use 'cannot' instead of 'failed to' in error messages.
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Do not emit a warning if AES strings are 0 bytes long.
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This frees us from passing errors back everywhere, and hence enables us
to pass results back as return values.
Rather than having to explicitly check for errors everywhere and bubble
them, we now allow exception handling to do the work for us; the
downside to this is that we no longer emit as much debugging information
as we did before (though this could be put back in). For now, the
debugging information we have lost has been retained in comments
with 'RJW:' at the start.
This code needs fuller testing, but is being committed as a work in
progress.
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Huge pervasive change to lots of files, adding a context for exception
handling and allocation.
In time we'll move more statics into there.
Also fix some for(i = 0; i < function(...); i++) calls.
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Import exception handling code from WSS, modified to fit into the
fitz world.
With this code we have 'real' fz_try/fz_catch/fz_rethrow functions,
handling a fz_except type. We therefore rename the existing fz_throw/
fz_catch/fz_rethrow to be fz_error_make/fz_error_handle/fz_error_note.
We don't actually use fz_try/fz_catch/fz_rethrow yet...
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Not quite sure how this one slipped through - must add encrypted documents
to the mupdf test suite.
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Acrobat (and gs, see bug 690478) will open a file without a CF dictionary
by assuming that the encryption type is RC4. Mirror this in mupdf.
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The run-together words are dead! Long live the underscores!
The postscript inspired naming convention of using all run-together
words has served us well, but it is now time for more readable code.
In this commit I have also added the sed script, rename.sed, that I used
to convert the source. Use it on your patches and application code.
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