[odbc] sign bug

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The regression was found in OTP-17.4 that makes odbc application unusable
on the platforms where C `char` type is signed.

The commands longer than 127 chars crash odbcserver port, e.g. a connection
string with driver path and some additional parameters or a long query
string.

The changes have the test case, the fix and two warnings cleanups.

https://github.com/erlang/otp/pull/539

git fetch git://github.com/RumataEstor/otp.git odbc-sign-bug

https://github.com/RumataEstor/otp/compare/erlang:maint...odbc-sign-bug
https://github.com/RumataEstor/otp/compare/erlang:maint...odbc-sign-bug.patch


Best wishes,
-- 
Dmitry Belyaev

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<div dir=3D"ltr"><div>The regression was found in OTP-17.4 that makes odbc =
application unusable on the platforms where C `char` type is signed.</div><=
div><br></div><div>The commands longer than 127 chars crash=C2=A0odbcserver=
 port, e.g. a
 connection string with driver path and some additional parameters or a lon=
g query string.<br></div><div><br></div><div>The changes have the test case=
, the fix and two warnings cleanups.</div><div><br></div><div><a href=3D"ht=
tps://github.com/erlang/otp/pull/539">https://github.com/erlang/otp/pull/53=
9</a><br></div><div><br></div><div>git fetch git://<a href=3D"http://github=
.com/RumataEstor/otp.git">github.com/RumataEstor/otp.git</a> odbc-sign-bug<=
/div><div><br></div><div><a href=3D"https://github.com/RumataEstor/otp/comp=
are/erlang:maint...odbc-sign-bug">https://github.com/RumataEstor/otp/compar=
e/erlang:maint...odbc-sign-bug</a><br></div><div><a href=3D"https://github.=
com/RumataEstor/otp/compare/erlang:maint...odbc-sign-bug.patch">https://git=
hub.com/RumataEstor/otp/compare/erlang:maint...odbc-sign-bug.patch</a><br><=
/div><div><br></div><br clear=3D"all"><div><div class=3D"gmail_signature"><=
div dir=3D"ltr">Best wishes,<div>--=C2=A0</div><div>Dmitry Belyaev</div><di=
v><br></div></div></div></div>
</div>

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