references/erl_nif: clear up NULL/NUL confusion#10462
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jhogberg merged 1 commit intoerlang:masterfrom Jan 12, 2026
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NULL is a C macro (thus, ``) that evaluates to a null pointer literal. NUL is what ASCII calls the 0 byte. C strings consist of bytes (not characters), especially when you have non-single-byte encodings.
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CT Test Results 3 files 135 suites 49m 3s ⏱️ Results for commit 8ea2346. ♻️ This comment has been updated with latest results. To speed up review, make sure that you have read Contributing to Erlang/OTP and that all checks pass. See the TESTING and DEVELOPMENT HowTo guides for details about how to run test locally. Artifacts// Erlang/OTP Github Action Bot |
jhogberg
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Dec 15, 2025
jhogberg
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Jan 12, 2026
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Merged, thanks for the PR! |
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NULL is a C macro (thus, ``) that evaluates to a null pointer literal.
NUL is what ASCII calls the 0 byte.
C strings consist of bytes (not characters), especially when you have non-single-byte encodings.