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-rw-r--r--ChangeLog4
-rw-r--r--lib/scanf.rb5
-rw-r--r--test/scanf/test_scanf.rb2
3 files changed, 8 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 989e08bab5..6ad753140f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Mar 28 10:03:51 2010 NARUSE, Yui <naruse@ruby-lang.org>
+
+ * lib/scanf.rb: fix max width modifier for %f.
+
Sun Mar 28 10:35:45 2010 Ryan Davis <ryand-ruby@zenspider.com>
* lib/minitest/*.rb: Imported minitest 1.6.0 r5717.
diff --git a/lib/scanf.rb b/lib/scanf.rb
index ed39a48292..ffc0d90f49 100644
--- a/lib/scanf.rb
+++ b/lib/scanf.rb
@@ -410,11 +410,12 @@ module Scanf
# %f
when /%\*?[efgEFG]/
- [ '([-+]?((\d+(?>(?=[^\d.]|$)))|(\d*(\.(\d*([eE][-+]?\d+)?)))))', :extract_float ]
+ [ '([-+]?(?:\d+(?![\d.])|\d*\.\d*(?:[eE][-+]?\d+)?))', :extract_float ]
# %5f
when /%\*?(\d+)[efgEFG]/
- [ "(\\S{1,#{$1}})", :extract_float ]
+ [ '(?=[-+]?(?:\d+(?![\d.])|\d*\.\d*(?:[eE][-+]?\d+)?))' +
+ "(\\S{1,#{$1}})", :extract_float ]
# %5s
when /%\*?(\d+)s/
diff --git a/test/scanf/test_scanf.rb b/test/scanf/test_scanf.rb
index 4526e73641..2ec4e54d94 100644
--- a/test/scanf/test_scanf.rb
+++ b/test/scanf/test_scanf.rb
@@ -269,7 +269,7 @@ module ScanfTests
[ "%[[:upper:]]", "ABCdefGHI", [ "ABC" ] ],
# Testing 'f'
- [ "%2f", "x", [0.0] ], # width-floats match anything (by design)
+ [ "%2f", "x", [] ],
[ "%F", "1.23e45", [1.23e+45] ],
[ "%e", "3.25ee", [3.25] ],
[ "%E", "3..25", [3.0] ],