grep branch, master, updated. v3.7-58-g0ca5dcc

[Paul Eggert]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=0ca5dcc1c57bcd24ea18628444340faff222ef64


commit 0ca5dcc1c57bcd24ea18628444340faff222ef64
Author: Paul Eggert <eggert@cs.ucla.edu>
Date:   Tue Mar 22 09:17:36 2022 -0700

    grep: work around PCRE2 bug 2642
    
    Problem reported by Carlo Arenas in:
    https://lists.gnu.org/r/grep-devel/2022-03/msg00004.html
    * src/pcresearch.c (Pcompile) [PCRE2_MATCH_INVALID_UTF]:
    In PCRE2 10.35 and earlier, disable start optimization if doing a
    caseless UTF-8 search.

diff --git a/src/pcresearch.c b/src/pcresearch.c
index f332a44..0cf804d 100644
--- a/src/pcresearch.c
+++ b/src/pcresearch.c
@@ -154,6 +154,12 @@ Pcompile (char *pattern, idx_t size, reg_syntax_t ignored, 
bool exact)
 #ifdef PCRE2_MATCH_INVALID_UTF
       /* Consider invalid UTF-8 as a barrier, instead of error.  */
       flags |= PCRE2_MATCH_INVALID_UTF;
+
+# if ! (10 < PCRE2_MAJOR + (36 <= PCRE2_MINOR))
+      /* Work around PCRE2 bug 2642.  */
+      if (flags & PCRE2_CASELESS)
+        flags |= PCRE2_NO_START_OPTIMIZE;
+# endif
 #endif
     }
 

-----------------------------------------------------------------------

Summary of changes:
 src/pcresearch.c | 6 ++++++
 1 file changed, 6 insertions(+)


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