Re: [HACKERS] new gcc 7.0.1 warnings - Mailing list pgsql-hackers

From Pavel Stehule
Subject Re: [HACKERS] new gcc 7.0.1 warnings
Date
Msg-id CAFj8pRDhJMx71aG-_PVUgyoOEmo7Be-QBD-N7QSsB+H87X3jKA@mail.gmail.com
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In response to Re: [HACKERS] new gcc 7.0.1 warnings  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
List pgsql-hackers


2017-03-08 16:59 GMT+01:00 Peter Eisentraut <peter.eisentraut@2ndquadrant.com>:
On 2/18/17 02:08, Pavel Stehule wrote:
> I am checking new Fedora 26, where new gcc compiler is used.
>
> float.c: In function ‘float4out’:
> float.c:382:41: warning: ‘%.*g’ directive output may be truncated
> writing between 1 and 310 bytes into a region of size 65
> [-Wformat-truncation=]
>      snprintf(ascii, MAXFLOATWIDTH + 1, "%.*g", ndig, num);

It appears these warnings no longer happen with a newer gcc-7 snapshot.
I'm using

gcc-7 (Debian 7-20170302-1) 7.0.1 20170302 (experimental) [trunk
revision 245832]


gcc (GCC) 7.0.1 20170225 is on Fc still :(

Regards

Pavel


 
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Peter Eisentraut              http://www.2ndQuadrant.com/
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