Simplify parse_double_float() in util/pcre.cc.
Change-Id: Ie7e7b3f12f44471d3bed3062420e6dd5e15b1ea7
Reviewed-on: https://code-review.googlesource.com/c/re2/+/47590
Reviewed-by: Paul Wankadia <junyer@google.com>
diff --git a/util/pcre.cc b/util/pcre.cc
index 04bbd4a..b3a32eb 100644
--- a/util/pcre.cc
+++ b/util/pcre.cc
@@ -978,32 +978,7 @@
} else {
r = strtod(buf, &end);
}
- if (end != buf + n) {
-#ifdef _WIN32
- // Microsoft's strtod() doesn't handle inf and nan, so we have to
- // handle it explicitly. Speed is not important here because this
- // code is only called in unit tests.
- bool pos = true;
- const char* i = buf;
- if ('-' == *i) {
- pos = false;
- ++i;
- } else if ('+' == *i) {
- ++i;
- }
- if (0 == _stricmp(i, "inf") || 0 == _stricmp(i, "infinity")) {
- r = std::numeric_limits<double>::infinity();
- if (!pos)
- r = -r;
- } else if (0 == _stricmp(i, "nan")) {
- r = std::numeric_limits<double>::quiet_NaN();
- } else {
- return false;
- }
-#else
- return false; // Leftover junk
-#endif
- }
+ if (end != buf + n) return false; // Leftover junk
if (errno) return false;
if (dest == NULL) return true;
if (isfloat) {
