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Fix potential endless loop in util::strreplace

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This commit is contained in:
Tim Wojtulewicz 2024-09-11 11:21:25 +02:00
parent ede4e661cd
commit 6b11252b8f
1 changed files with 5 additions and 1 deletions
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6
src/util.cc
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@ -1540,18 +1540,22 @@ TEST_CASE("util strreplace") {
string s = "this is not a string";
CHECK(strreplace(s, "not", "really") == "this is really a string");
CHECK(strreplace(s, "not ", "") == "this is a string");
CHECK(strreplace("\"abc\"", "\"", "\\\"") == "\\\"abc\\\"");
CHECK(strreplace("\\\"abc\\\"", "\\\"", "\"") == "\"abc\"");
}
string strreplace(const string& s, const string& o, const string& n) {
string r = s;
size_t i = 0;
while ( true ) {
size_t i = r.find(o);
i = r.find(o, i);
if ( i == std::string::npos )
break;
r.replace(i, o.size(), n);
i += n.size();
}
return r;