From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Fri, 11 Aug 2017 14:34:41 +0000 (+0100)
Subject: mhparse.c: Cast ptrdiff_t from subtraction to long.
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/485fa064f8388272fe00ebfd29e4babf6dfed019?ds=sidebyside;hp=485fa064f8388272fe00ebfd29e4babf6dfed019

mhparse.c: Cast ptrdiff_t from subtraction to long.

Cygwin's 32-bit doesn't like `%ld' for the `p - q' difference between
two pointers as the value is an int, not a long.  printf(3)'s `t' length
modifier, for ptrdiff_t, can't be used as that's C99, and we're C90.
Cast the difference to a long explicitly instead.
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