On Mon, Aug 27, 2012 at 05:17:26PM -0400, William Henry wrote: > > On Fri, Aug 24, 2012 at 11:12:26AM -0400, Darryl L. Pierce wrote: > > > [TEST AT 64 CHARACTERS] > > > Testing data at 64 characters. > > > Trying with a bufsize of 1024. > > > rc=0 > > > bufsize=64 > > > *ALLOC_OUTPUT is 65 bytes. > > > *ALLOC_OUTPUT == > > > "vdzxprjepkvgcfzdtzhdrkuambduahhjmhdczkcihuauedxzelgcjqlxfnhqpmcgP" > > > Exiting with a return code of 64 > > > Comparing: > > > vdzxprjepkvgcfzdtzhdrkuambduahhjmhdczkcihuauedxzelgcjqlxfnhqpmcg > > > vdzxprjepkvgcfzdtzhdrkuambduahhjmhdczkcihuauedxzelgcjqlxfnhqpmcg > > > Do they match? Yes > > > > > > [TEST AT 65 CHARACTERS] > > > Testing data at 65 characters. > > > Trying with a bufsize of 1024. > > > rc=0 > > > bufsize=65 > > > *ALLOC_OUTPUT is 4 bytes. > > > *ALLOC_OUTPUT == "�j� " > > > Exiting with a return code of 65 > > > Comparing: > > > obinopuaxubdehrwmkqqxhitzcfroiqnzdoxjqcqvkgpwsdprryegwxluiheklaul > > > �j� > > > > > > pkvgcfzdtzhdrkuambduahhjmhdczkcihuauedxzelgcjqlxfnhqpmcg > > > Do they match? No > > > > > > As you can, at 64 bytes (and all lengths prior to it) the strings > > > internal always match. But, at 65 bytes the result is those weird > > > few > > > characters and nothing even remotely like the string passed in > > > previously. > > > > More investigation and debuggin on this: > > > > When the string fails (you can see it in the above case) the failed > > string consists some garbage and then the previous message's string > > starting at n bytes into that string, where n = 8 if the length is > > 65, n > > = 16 if length is 129 or 257. > > > > Still digging into this but haven't found where the problem is. Still > > wrapping my head around the encoding and decoding pieces. > > As I'm reading this "I Still Haven't Found What I'm Looking For" from U2's > Joshua Tree was playing in the background. > > Where is the offending code? What is ALLOC_OUTPUT for? Why is it 4?
ALLOC_OUTPUT is in the ruby.i file, in the wrap_pn_message_save() wrapper. As best I can tell, it's 4 bytes because *ALLOC_OUTPUT+5 is a null byte at this point, even though the input was 65 bytes. -- Darryl L. Pierce, Sr. Software Engineer @ Red Hat, Inc. Delivering value year after year. Red Hat ranks #1 in value among software vendors. http://www.redhat.com/promo/vendor/
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