regexec.c: Replace loop by memchr()

This can be called on a potentially long string.

diff --git a/regexec.c b/regexec.c
index 5a1c5ef..ac8b15e 100644 (file)
--- a/regexec.c
+++ b/regexec.c
@@ -9003,8 +9003,10 @@ S_regrepeat(pTHX_ regexp *prog, char **startposp, const regnode *p,
                hardcount++;
            }
        } else {
-           while (scan < loceol && *scan != '\n')
-               scan++;
+            scan = (char *) memchr(scan, '\n', loceol - scan);
+            if (! scan) {
+                scan = loceol;
+            }
        }
        break;
     case SANY: