commit 0af2d32c21d48d450a7a1277b2029b9eeed6bebf
author Bram Moolenaar <Bram@vim.org> Sat Aug 05 23:00:53 2017 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Aug 05 23:00:53 2017 +0200
tree c10e36cd847e113283ca4fb9875952800c3cc850
parent 22aa23fd8cf74f535dba5eb8f6d02107ba2c512c

patch 8.0.0875: crash with weird command sequence

Problem:    Crash with weird command sequence. (Dominique Pelle)
Solution:   Use vim_snprintf() instead of STRCPY().

src/misc1.c

diff --git a/src/misc1.c b/src/misc1.c
index f19c2dc..4e51bed 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -4641,7 +4641,7 @@
      */
     if (buf != NULL && buf->b_help)
     {
-	STRCPY(dst, gettail(src));
+	vim_snprintf((char *)dst, dstlen, "%s", gettail(src));
 	return;
     }