coverity/155512: Pass correct length to strncat()

References 8bc2bffda94bf2de4e8adae57b4b5597ed4e8247

2 files changed, 10 insertions, 10 deletions

diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c
index 19d8acd75a..56919db024 100644
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -1408,8 +1408,8 @@ char_u *make_filter_cmd(char_u *cmd, char_u *itmp, char_u *otmp)
   }
 
   if (itmp != NULL) {
-    strncat(buf, " < ", len - 1);
-    strncat(buf, (const char *)itmp, len - 1);
+    xstrlcat(buf, " < ", len - 1);
+    xstrlcat(buf, (const char *)itmp, len - 1);
   }
 #else
   // For shells that don't understand braces around commands, at least allow
@@ -1425,13 +1425,13 @@ char_u *make_filter_cmd(char_u *cmd, char_u *itmp, char_u *otmp)
         *p = NUL;
       }
     }
-    strncat(buf, " < ", len);
-    strncat(buf, (const char *)itmp, len);
+    xstrlcat(buf, " < ", len);
+    xstrlcat(buf, (const char *)itmp, len);
     if (*p_shq == NUL) {
       const char *const p = strchr((const char *)cmd, '|');
       if (p != NULL) {
-        strncat(buf, " ", len - 1);  // Insert a space before the '|' for DOS
-        strncat(buf, p, len - 1);
+        xstrlcat(buf, " ", len - 1);  // Insert a space before the '|' for DOS
+        xstrlcat(buf, p, len - 1);
       }
     }
   }
diff --git a/src/nvim/fileio.c b/src/nvim/fileio.c
index 71af89b70d..d433afab3e 100644
--- a/src/nvim/fileio.c
+++ b/src/nvim/fileio.c
@@ -4982,8 +4982,8 @@ buf_check_timestamp (
     set_vim_var_string(VV_WARNINGMSG, tbuf, -1);
     if (can_reload) {
       if (*mesg2 != NUL) {
-        strncat(tbuf, "\n", tbuf_len - 1);
-        strncat(tbuf, mesg2, tbuf_len - 1);
+        xstrlcat(tbuf, "\n", tbuf_len - 1);
+        xstrlcat(tbuf, mesg2, tbuf_len - 1);
       }
       if (do_dialog(VIM_WARNING, (char_u *) _("Warning"), (char_u *) tbuf,
                     (char_u *) _("&OK\n&Load File"), 1, NULL, true) == 2) {
@@ -4991,8 +4991,8 @@ buf_check_timestamp (
       }
     } else if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) {
       if (*mesg2 != NUL) {
-        strncat(tbuf, "; ", tbuf_len);
-        strncat(tbuf, mesg2, tbuf_len);
+        xstrlcat(tbuf, "; ", tbuf_len - 1);
+        xstrlcat(tbuf, mesg2, tbuf_len - 1);
       }
       EMSG(tbuf);
       retval = 2;