From: schwarze@mandoc.bsd.lv
To: source@mandoc.bsd.lv
Subject: mandoc: Initialize the local variable "act" in print_mdoc_node().
Date: Mon, 3 Jun 2019 14:51:04 -0500 (EST) [thread overview]
Message-ID: <e40085719139afc2@fantadrom.bsd.lv> (raw)
Log Message:
-----------
Initialize the local variable "act" in print_mdoc_node().
While there is no bug, it helps clarity, and it is also safer in this
particular code because in case a bug gets introduced later, accessing
a NULL pointer is less dangerous than accessing an uninitialized pointer.
Michal Nowak <mnowak at startmail dot com> reported that gcc 4.4.4
and 7.4.0 on illumos throw -Wuninitialized false positives.
Modified Files:
--------------
mandoc:
mdoc_term.c
Revision Data
-------------
Index: mdoc_term.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/mdoc_term.c,v
retrieving revision 1.372
retrieving revision 1.373
diff -Lmdoc_term.c -Lmdoc_term.c -u -p -r1.372 -r1.373
--- mdoc_term.c
+++ mdoc_term.c
@@ -352,6 +352,7 @@ print_mdoc_node(DECL_ARGS)
* produce output. Note that some pre-handlers do so.
*/
+ act = NULL;
switch (n->type) {
case ROFFT_TEXT:
if (n->flags & NODE_LINE) {
--
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reply other threads:[~2019-06-03 19:51 UTC|newest]
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