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authorChris Luke <chrisy@flirble.org>2016-05-19 14:23:25 -0400
committerChris Luke <chrisy@flirble.org>2016-05-19 14:35:03 -0400
commit270b6dee8c1f7686ee4c13d55d3aa2cd6c788c3f (patch)
tree8e24522b7b6bad16ba791fcd76eb98e86a901aed /svm
parentfd9014a1846d832dfa91e0a7b3495d7954863f5d (diff)
VPP-74 Fix signedness issue when terminal resizes
When re-locating our current viewport into the pager buffer we need to verify that the new viewport is within the boundaries of the index. This condition is considered very rare, but nontheless the check is needed. Unfortunately I assumed the variable was signed; it is not, and the subtraction can in some cases cause the value to be negative. This is therefore a bonafide semantic error that may cause problems. This patch reworks the logic to avoid having to change it to be signed. Change-Id: I26f0747d38dcc43dd9c092d50f2489b122009e7b Signed-off-by: Chris Luke <chrisy@flirble.org>
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