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Date: Fri, 15 Feb 2019 03:35:23 +0000
From: "jounijl@...oo.co.uk" <jounijl@...oo.co.uk>
To: musl@...ts.openwall.com
Subject: "Arithmetic exception" with modulus operator '%'
As in the headline. Program stops and prints "Arithmetic exception" at
the line where the modulus operator '%' is.
I'm compiling in Alpine linux with clang installed from apk:s:
clang -c test.c
clang -o test test.o
The code is:
----- snip -----
unsigned int unum = 0;
unsigned int umod = 0;
unsigned int ures = 0;
ures = unum % umod; // <-- this one
----- /snip -----
The variables have some values other than 0.
The environment is:
The Alpine Linux is installed in Oracle Virtualbox in FreeBSD 12, 64-bit
Intel.
$ uname -a
Linux localhost 4.14.89-0-vanilla #1-Alpine SMP Tue Dec 18 16:10:10 UTC
2018 x86_64 GNU/Linux
$ clang --version
Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
What does this? Do I need to include some library?
w.b.reg., Jouni
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