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45 In-Reply-To: <87hb7m5f4s.fsf@gmail.com>
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46 References: <20110616215439.GA26997@brick> <87boxxq833.fsf@SSpaeth.de>
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47 <20110617161024.GA8154@optimusprime> <87hb7n300m.fsf@SSpaeth.de>
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48 <87hb7m5f4s.fsf@gmail.com>
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49 Date: Sun, 19 Jun 2011 19:51:11 -0400
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51 Message-ID: <BANLkTik8ged+SoUQf5=x0m-CDC6rAKUoWQ@mail.gmail.com>
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52 Subject: Re: [python] segfaults at Message.get_date
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53 From: Austin Clements <amdragon@mit.edu>
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54 To: Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
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55 Content-Type: text/plain; charset=ISO-8859-1
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57 Cc: Patrick Totzke <patricktotzke@googlemail.com>, notmuch@notmuchmail.org
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72 On Sun, Jun 19, 2011 at 5:45 AM, Dmitry Kurochkin
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73 <dmitry.kurochkin@gmail.com> wrote:
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74 > Hi Sebastian, Patrick.
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76 > On Sat, 18 Jun 2011 12:30:01 +0200, Sebastian Spaeth <Sebastian@SSpaeth.d=
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78 >> On Fri, 17 Jun 2011 17:10:24 +0100, Patrick Totzke :
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79 >> > #0 =A00x006eb87d in Xapian::Document::Internal::get_value(unsigned int=
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80 ) const () from /usr/lib/sse2/libxapian.so.22
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81 >> > #1 =A00x006eb952 in Xapian::Document::get_value(unsigned int) const ()=
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82 from /usr/lib/sse2/libxapian.so.22
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83 >> > #2 =A00x00523963 in notmuch_message_get_date () from /usr/local/lib/li=
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86 >> One question, what type is libnotmuch really returning here? The code:
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90 >> notmuch_message_get_date (notmuch_message_t *message)
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92 >> =A0 =A0 return Xapian::sortable_unserialise (value);
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95 >> But Xapian API says that sortable_unserialise() returns floating type "d=
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98 >> http://xapian.org/docs/apidoc/html/namespaceXapian.html#326fe2d6b0ee59ac=
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100 >> "Convert a string encoded using sortable_serialise back to a floating
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103 >> But time_t is usually a (signed) long and not floating point. Obviously
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104 >> things have worked just fine so far, but is libnotmuch really returning
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105 >> the right type here? Sorry, I expose my total lack of basic C++ knowledg=
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110 > Converting double to time_t does not look good. =A0Notmuch converts
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111 > between time_t and double both when setting and getting the date. =A0I
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112 > guess it should work good in most cases at least. =A0Perhaps Carl knows
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113 > better that it is safe.
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115 A double will precisely represent integers up to 2^53, so this
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116 conversion shouldn't be a problem until the year 285422109 or so.
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