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strutils::unescape(): minor change

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Use static_cast<char> for clarity when adding an int to an std::string
with std::string::operator+=().
This commit is contained in:
Florent Rougon 2017-04-28 22:11:23 +02:00
parent e1c655c570
commit e4c4db5cf9
1 changed files with 2 additions and 2 deletions
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simgear/misc/strutils.cxx
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@ -670,14 +670,14 @@ std::string unescape(const char* s)
for (/* empty */; isxdigit(*s); s++) {
v = v * 16 + (isdigit(*s) ? *s - '0' : 10 + tolower(*s) - 'a');
}
r += v;
r += static_cast<char>(v);
continue;
} else if (*s >= '0' && *s <= '7') {
int v = *s++ - '0';
for (int i = 0; i < 2 && *s >= '0' && *s <= '7'; i++, s++)
v = v * 8 + *s - '0';
r += v;
r += static_cast<char>(v);
continue;
} else {