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istringstream_nocopy: Implement in a standards-compliant way.

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Fixes the problem mentioned in e6a61b8da7

See #1135
This commit is contained in:
Shea Levy 2017-03-06 13:03:02 -05:00
parent 1cf4801108
commit 4fc30922cf
4 changed files with 89 additions and 15 deletions
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2
src/libutil/hash.cc
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@ -104,7 +104,7 @@ Hash parseHash(HashType ht, const string & s)
string s2(s, i * 2, 2);
if (!isxdigit(s2[0]) || !isxdigit(s2[1]))
throw BadHash(format("invalid hash ‘%1%’") % s);
std::istringstream str(s2);
istringstream_nocopy str(s2);
int n;
str >> std::hex >> n;
hash.hash[i] = n;