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util: Restore GetIntArg saturating behavior

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The new locale-independent atoi64 method introduced in #20452 parses
large integer values higher than maximum representable value as 0
instead of the maximum value, which breaks backwards compatibility.
This commit restores compatibility and adds test coverage for this case
in terms of the related GetIntArg and strtoll functions.

Co-authored-by: Ryan Ofsky <ryan@ofsky.org>
This commit is contained in:
James O'Beirne
2021-12-22 12:11:13 -05:00
committed by Ryan Ofsky
parent c561f2f06e
commit b5c9bb5cb9
5 changed files with 66 additions and 25 deletions
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test/lint/lint-locale-dependence.sh
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@@ -43,6 +43,7 @@ KNOWN_VIOLATIONS=(
"src/test/dbwrapper_tests.cpp:.*snprintf"
"src/test/fuzz/locale.cpp"
"src/test/fuzz/string.cpp"
"src/test/util_tests.cpp"
)
REGEXP_IGNORE_EXTERNAL_DEPENDENCIES="^src/(crypto/ctaes/|leveldb/|secp256k1/|minisketch/|tinyformat.h|univalue/)"