* lread.c (string_to_number): Use strtoumax, to convert more integers without overflow.

1 files changed, 5 insertions, 2 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 2b9978f3d6a..0ea90a4d8e5 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -11,7 +11,8 @@
         parsing non-base-10 numbers, as the documentation specifies.
         * lisp.h (string_to_number): New decl, replacing ...
         (isfloat_string): Remove.
-        * lread.c (read1): Do not accept +. and -. as integers; this
+        * lread.c: Include <inttypes.h>, for uintmax_t and strtoimax.
+        (read1): Do not accept +. and -. as integers; this
         appears to have been a coding error.  Similarly, do not accept
         strings like +-1e0 as floating point numbers.  Do not report
         overflow for integer overflows unless the base is not 10 which
@@ -25,7 +26,9 @@
         (string_to_number): New function, replacing isfloat_string.
         This function checks for valid syntax and produces the resulting
         Lisp float number too.  Rework it so that string-to-number
-        no longer mishandles examples like "1.0e+".
+        no longer mishandles examples like "1.0e+".  Use strtoimax,
+        so that overflow for non-base-10 numbers is reported only when
+        there's no portable and simple way to convert to floating point.
 
 2011-04-20  Paul Eggert  <eggert@cs.ucla.edu>