fix(fold): use buffered read to prevent hang on infinite streams like /dev/zero#9966

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SaathwikDasari wants to merge 7 commits intouutils:mainfrom

SaathwikDasari:fix-fold-dev-zero

Commits on Jan 1, 2026

fix: use buffered read to prevent hanging on infinite streams like /dev/zero
SaathwikDasari
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tests: add regression test for char device input
SaathwikDasari
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fix: use buffered read to prevent hanging on infinite streams like /dev/zero also fixed failure testcases
SaathwikDasari
committed
fix: use buffered read to prevent hanging on infinite streams like /dev/zero also fixed failure testcases after cargo fmt
SaathwikDasari
committed
fixed the performance regression hopefully
SaathwikDasari
committed
fixed the performance regression hopefully and cargo fmt
SaathwikDasari
committed
fixed the code quality failure
SaathwikDasari
committed