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Fix out of memory error on empty input #9

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Merged
gwenn merged 1 commit into from
Apr 14, 2021
Merged

Fix out of memory error on empty input #9

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7 changes: 7 additions & 0 deletions icu_replace.c
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,13 @@ static void icuReplaceAllFunc(
}
/* Expect output length = input length. */
nOut = sqlite3_value_bytes16(argv[1]);
if( nOut==0 ){ // or output length = replacement length
nOut = sqlite3_value_bytes16(argv[2]);
}
if( nOut==0 ){ // if both input and replacement are empty
sqlite3_result_text16(context, "", 0, SQLITE_STATIC);
return;
}
/*
int32_t uregex_replaceAll (URegularExpression *regexp, const UChar *replacementText, int32_t replacementLength, UChar *destBuf, int32_t destCapacity, UErrorCode *status)
*/
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