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Fix ASAN errors due adding offset to nullptr #240

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Merged
stevengj merged 3 commits into from
Jul 10, 2025
+2 −2
Merged

Fix ASAN errors due adding offset to nullptr #240

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b933f42
Fix ASAN errors due adding offset to nullptr
parmeet Jun 8, 2022
2c2e0c1
Revert "Fix ASAN errors due adding offset to nullptr"
parmeet Jun 9, 2022
6da3d90
make changes compact
parmeet Jun 9, 2022
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4 changes: 2 additions & 2 deletions utf8proc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -365,7 +365,7 @@ static utf8proc_ssize_t seqindex_write_char_decomposed(utf8proc_uint16_t seqinde
for (; len >= 0; entry++, len--) {
utf8proc_int32_t entry_cp = seqindex_decode_entry(&entry);

written += utf8proc_decompose_char(entry_cp, dst+written,
written += utf8proc_decompose_char(entry_cp, dst ? dst+written : dst,
(bufsize > written) ? (bufsize - written) : 0, options,
last_boundclass);
if (written < 0) return UTF8PROC_ERROR_OVERFLOW;
Expand Down Expand Up @@ -551,7 +551,7 @@ UTF8PROC_DLLEXPORT utf8proc_ssize_t utf8proc_decompose_custom(
uc = custom_func(uc, custom_data); /* user-specified custom mapping */
}
decomp_result = utf8proc_decompose_char(
uc, buffer + wpos, (bufsize > wpos) ? (bufsize - wpos) : 0, options,
uc, buffer ? buffer+wpos : buffer, (bufsize > wpos) ? (bufsize - wpos) : 0, options,
&boundclass
);
if (decomp_result < 0) return decomp_result;
Expand Down