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fix(scanner): only call memcpy if `length` is greater than 0

pull/708/head
Amaan Qureshi 2024-04-11 21:23:17 +07:00
parent d0b4e006ca
commit f79b9d9859
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1 changed files with 3 additions and 1 deletions
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src/scanner.c
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@ -137,7 +137,9 @@ void tree_sitter_cpp_external_scanner_deserialize(void *payload, const char *buf
Scanner *scanner = (Scanner *)payload; Scanner *scanner = (Scanner *)payload;
scanner->delimiter_length = length / sizeof(wchar_t); scanner->delimiter_length = length / sizeof(wchar_t);
memcpy(&scanner->delimiter[0], buffer, length); if (length > 0) {
memcpy(&scanner->delimiter[0], buffer, length);
}
} }
void tree_sitter_cpp_external_scanner_destroy(void *payload) { void tree_sitter_cpp_external_scanner_destroy(void *payload) {