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ICU-5426 Fix last check-in. Handle the case when malloc fails.

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X-SVN-Rev: 20478
This commit is contained in:
George Rhoten 2006-10-03 19:11:36 +00:00
parent 1c37b55ae0
commit 31120cdfc4
1 changed files with 9 additions and 4 deletions
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13
icu4c/source/common/uniset.cpp
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@ -1852,10 +1852,15 @@ void UnicodeSet::releasePattern() {
*/
void UnicodeSet::setPattern(const UnicodeString& newPat) {
releasePattern();
patLen = newPat.length();
pat = (UChar *)uprv_malloc((patLen + 1) * sizeof(UChar));
newPat.extractBetween(0, patLen, pat);
pat[patLen] = 0;
int32_t newPatLen = newPat.length();
pat = (UChar *)uprv_malloc((newPatLen + 1) * sizeof(UChar));
if (pat) {
patLen = newPatLen;
newPat.extractBetween(0, patLen, pat);
pat[patLen] = 0;
}
// else we don't care if malloc failed. This was just a nice cache.
// We can regenerate an equivalent pattern later when requested.
}
U_NAMESPACE_END