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Make floating-point formatting locale-independent

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This commit is contained in:
Victor Zverovich 2019-03-17 13:15:33 -07:00
parent bc784d3625
commit 0faa968cc3
1 changed files with 9 additions and 5 deletions
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14
include/fmt/format-inl.h
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@ -735,13 +735,17 @@ void sprintf_format(Double value, internal::buffer& buf,
if (result >= 0) {
unsigned n = internal::to_unsigned(result);
if (n < buf.capacity()) {
if (!spec.type) {
// Keep only one trailing zero after the decimal point.
auto p = static_cast<char*>(std::memchr(buf.data(), '.', n));
if (p) {
// Find the decimal point.
auto p = buf.data(), end = p + n;
if (*p == '+' || *p == '-') ++p;
if (spec.type == 'a' || spec.type == 'A') p += 2; // Skip "0x".
while (p < end && *p >= '0' && *p <= '9') ++p;
if (p < end && *p != 'e' && *p != 'E') {
if (*p != '.') *p = '.';
if (!spec.type) {
// Keep only one trailing zero after the decimal point.
++p;
if (*p == '0') ++p;
const char* end = buf.data() + n;
while (p != end && *p >= '1' && *p <= '9') ++p;
char* where = p;
while (p != end && *p == '0') ++p;