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string2Int(): Return std::optional

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This commit is contained in:
Eelco Dolstra 2021-01-08 12:22:21 +01:00
parent 29a445840a
commit 6548b89cc4
17 changed files with 82 additions and 69 deletions
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8
src/libstore/nar-info.cc
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@ -46,14 +46,18 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
else if (name == "FileHash")
fileHash = parseHashField(value);
else if (name == "FileSize") {
if (!string2Int(value, fileSize)) throw corrupt();
auto n = string2Int<decltype(fileSize)>(value);
if (!n) throw corrupt();
fileSize = *n;
}
else if (name == "NarHash") {
narHash = parseHashField(value);
haveNarHash = true;
}
else if (name == "NarSize") {
if (!string2Int(value, narSize)) throw corrupt();
auto n = string2Int<decltype(narSize)>(value);
if (!n) throw corrupt();
narSize = *n;
}
else if (name == "References") {
auto refs = tokenizeString<Strings>(value, " ");