cut: don't segfault for large unbounded range

* src/cut.c (set_fields): When computing the maximum range endpoint,
take into consideration the start of any unbounded range, like "999-".
* NEWS (Bug fixes): Mention it.
* tests/misc/cut (big-unbounded-b,c,f): Add tests.
Reported by Paul Marinescu in http://debbugs.gnu.org/7993
The bug was introduced on 2004-12-04 via commit 7380cf79.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/cut.c b/src/cut.c
index 3f8e3e631..e2fe85170 100644
--- a/src/cut.c
+++ b/src/cut.c
@@ -496,6 +496,8 @@ set_fields (const char *fieldstr)
       if (rp[i].hi > max_range_endpoint)
         max_range_endpoint = rp[i].hi;
     }
+  if (max_range_endpoint < eol_range_start)
+    max_range_endpoint = eol_range_start;
 
   /* Allocate an array large enough so that it may be indexed by
      the field numbers corresponding to all finite ranges