[c-api] check number of features when retrieving number of bins #5183
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jmoralez
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guolinke,
btrotta,
shiyu1994,
hzy46,
tongwu-sh,
StrikerRUS and
jameslamb
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guolinke
approved these changes
Apr 28, 2022
40 tasks
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When retrieving the number of bins for a given feature the input wasn't checked so if we input an invalid feature index (>= number of features) we could get garbage values or even a segfault, so this adds a check to see if we're in the valid range of feature indices.