* object.c (rb_cstr_to_dbl): return 0.0 if hexadecimal and

  baccheck is FALSE: Float("0x1p+0") works, but "0x1p+0".to_f
  doesn't. [ruby-dev:40650]

* util.c (ruby_strtod): allow hexdecimal integers.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27140 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/object.c b/object.c
index cdcd287016..4fc4b6a759 100644
--- a/object.c
+++ b/object.c
@@ -2246,6 +2246,11 @@ rb_cstr_to_dbl(const char *p, int badcheck)
     if (!p) return 0.0;
     q = p;
     while (ISSPACE(*p)) p++;
+
+    if (!badcheck && p[0] == '0' && (p[1] == 'x' || p[1] == 'X')) {
+	return 0.0;
+    }
+
     d = strtod(p, &end);
     if (errno == ERANGE) {
 	OutOfRange();
@@ -2284,6 +2289,11 @@ rb_cstr_to_dbl(const char *p, int badcheck)
 	}
 	*n = '\0';
 	p = buf;
+
+	if (!badcheck && p[0] == '0' && (p[1] == 'x' || p[1] == 'X')) {
+	    return 0.0;
+	}
+
 	d = strtod(p, &end);
 	if (errno == ERANGE) {
 	    OutOfRange();