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authorXi Wang <xi@mit.edu>2013-02-20 12:45:45 -0500
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2013-02-20 19:12:51 +0100
commit79cd5fb435d910233b1eb03c93c6ae05908ab42b (patch)
tree3e29124e9dec22cc00fa5fd4a02524a723fb8e52 /libc/sysdeps/linux/bfin/setjmp.S
parent3d791bda2e68136e5cfc52b5386e0db805b5d3ba (diff)
nice: fix overflow checking in int_add_no_wrap()
In C, signed integer overflow is undefined behavior. Many compilers optimize away checks like `a + b < a'. Use safe precondition testing instead. Signed-off-by: Xi Wang <xi@mit.edu> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/bfin/setjmp.S')
0 files changed, 0 insertions, 0 deletions