LU-2074 build: fix 'copy into fixed size buffer' errors

[fs/lustre-release.git] / libcfs / libcfs / util / parser.c

diff --git a/libcfs/libcfs/util/parser.c b/libcfs/libcfs/util/parser.c
index 949a2b4..f395fa3 100644 (file)
--- a/libcfs/libcfs/util/parser.c
+++ b/libcfs/libcfs/util/parser.c
@@ -460,7 +460,9 @@ int Parser_help(int argc, char **argv)
 
         line[0]='\0';
         for ( i = 1 ;  i < argc ; i++ ) {
-                strcat(line, argv[i]);
+               if (strlen(argv[i]) > sizeof(line)-strlen(line)-1)
+                       return -E2BIG;
+               strncat(line, argv[i], sizeof(line)-strlen(line)-1);
         }
 
         switch ( process(line, &next, top_level, &result, &prev) ) {