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From: Pali <pali@cpan.org>
Date: Fri, 24 Feb 2017 19:51:36 +0100
Subject: [PATCH] Fix type conversions
Calling SvNV() for magical scalar is not enough for float type conversion.
It caused problem for Amavis in tainted mode -- all float values were zero.
On the other hand SvIV() and SvUV() seems to work fine. To be sure that
correct value of float is in scalar use sv_setnv() with explicit NV float
value. Similar code is changed also for integers IV/UV.
.
This patch should fix reported Amavis bug:
https://github.com/perl5-dbi/DBD-mysql/issues/78
.
See also reported perl bug about SvNV():
https://rt.perl.org/Public/Bug/Display.html?id=130801
Bugs: https://github.com/perl5-dbi/DBD-mysql/issues/78
Bugs-Debian: https://bugs.debian.org/856064
Last-Update: 2019-01-09
Reviewed-By: Xavier Guimard <x.guimard@free.fr>,
gregor herrmann <gregoa@debian.org>
--- a/dbdimp.c
+++ b/dbdimp.c
@@ -4447,8 +4447,7 @@
if (!(fields[i].flags & ZEROFILL_FLAG))
{
/* Coerce to double and set scalar as NV */
- (void) SvNV(sv);
- SvNOK_only(sv);
+ sv_setnv(sv, SvNV(sv));
}
break;
@@ -4459,13 +4458,11 @@
/* Coerce to integer and set scalar as UV resp. IV */
if (fields[i].flags & UNSIGNED_FLAG)
{
- (void) SvUV(sv);
- SvIOK_only_UV(sv);
+ sv_setuv(sv, SvUV(sv));
}
else
{
- (void) SvIV(sv);
- SvIOK_only(sv);
+ sv_setiv(sv, SvIV(sv));
}
}
break;
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