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_zstd: Fix printf format for pledged size errors #146578

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_zstd: Fix printf format for pledged size errors#146578
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3.14bugs and security fixesbugs and security fixes3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixesextension-modulesC modules in the Modules dirC modules in the Modules dirtype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error
@cuiweixie

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@cuiweixie
cuiweixie
opened on Mar 28, 2026
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Problem

In zstd_contentsize_converter (Modules/_zstd/compressor.c), ValueError messages use the format specifier %ull when printing ZSTD_CONTENTSIZE_ERROR. The correct C99 format for unsigned long long is %llu; %ull is invalid.

Proposed fix

Replace %ull with %llu in both error paths.

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    3.14bugs and security fixesbugs and security fixes3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixesextension-modulesC modules in the Modules dirC modules in the Modules dirtype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

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