jeans/Tasmota
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Berry string literals containing NULL are truncated (#23312)

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s-hadinger 2025-04-17 22:12:35 +02:00 committed by GitHub
parent c2628c95f3
commit 082170374c
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3 changed files with 6 additions and 1 deletions
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1
CHANGELOG.md
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@ -13,6 +13,7 @@ All notable changes to this project will be documented in this file.
### Fixed ### Fixed
- Berry `bytes().asstring()` now truncates a string if buffer contains NULL - Berry `bytes().asstring()` now truncates a string if buffer contains NULL
- Berry string literals containing NULL are truncated
### Removed ### Removed

3
lib/libesp32/berry/src/be_lexer.c
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@ -284,7 +284,8 @@ static void tr_string(blexer *lexer)
break; break;
} }
} }
lexer->buf.len = dst - lexbuf(lexer); size_t len = dst - lexbuf(lexer);
lexer->buf.len = strnlen(lexbuf(lexer), len);
} }
static int skip_newline(blexer *lexer) static int skip_newline(blexer *lexer)

3
lib/libesp32/berry/tests/lexer.be
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@ -84,3 +84,6 @@ var malformed_numbers = [
for i : malformed_numbers for i : malformed_numbers
test_source(i, 'malformed number') test_source(i, 'malformed number')
end end
#- ensure that string literal with NULL character is truncated -#
assert(size('aa\000bb\000cc') == 2)