[bug #17274] grep -Fw gives strange results

[Benno Schulenberg]

Follow-up Comment #1, bug #17274 (project grep):

Thanks for the report.  This error appears to be fixed in CVS:

$ echo -e 'blah blubb\nb' | grep -Fw b
b

$ echo -e 'DESKTOP\nCDRW DUALXP SATA DE' | grep -Fw DE
CDRW DUALXP SATA DE

$ grep --version | head -1
GNU grep 2.5.1-cvs

It was fixed probably by the commit on April 27 last year, mainly as a
rection to patch #1834 .  Apparenlty not all distros apply the same patches
to their greps.  This is the essential diff:


--- src/search.c        9 Mar 2005 13:11:28 -0000       1.34
+++ src/search.c        27 Apr 2005 18:30:29 -0000      1.35
@@ -599,17 +599,7 @@
              {
                offset = kwsexec (kwset, beg, --len, &kwsmatch);
                if (offset == (size_t) -1)
-                 {
-#ifdef MBS_SUPPORT
-                    if (MB_CUR_MAX > 1)
-                      {
-                        if (match_icase)
-                          free ((char*)buf);
-                        free(mb_properties);
-                      }
-#endif /* MBS_SUPPORT */
-                   return offset;
-                 }
+                 break;
                try = beg + offset;
                len = kwsmatch.size[0];
              }


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