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gcc: Multiline strings cause complaint about missing string terminator
Problem:
For some odd reason, the people behind gcc have seen fit to break backward compatibility by no longer allowing multi-line string constants like in this code: snprintf(querystring, MAXQRYLEN, " SELECT login FROM connections LEFT JOIN contacts ON (contact = contactid) WHERE id = '%s' AND pin = '%s' ", conn, pin);
 
Solution:
Rewrite like this:

snprintf(querystring, MAXQRYLEN,
"SELECT login FROM connections "
"LEFT JOIN contacts ON (contact = contactid) "
"WHERE id = '%s' "
"AND pin = '%s' "
, conn, pin);

Notice those trailing spaces, if you forget one you'll be debugging for hours :-|

The code is uglier and harder to maintain, but if you really cared you would be using Perl instead of C in the first place.... right?
 
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