Blob Blame History Raw
From 98484914b7f4ba34da0625baa0ed6d449c1fa3ad Mon Sep 17 00:00:00 2001
From: Kazuhito Hagio <k-hagio-ab@nec.com>
Date: Fri, 22 Jul 2022 13:44:50 +0900
Subject: [PATCH 11/28] Fix gcc-11 compiler warning on symbols.c

Without the patch, the following gcc-11 compiler warning is emitted for
symbols.c:

symbols.c: In function 'cmd_p':
symbols.c:7412:38: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 7412 |                         *(cpuspec-1) = ':';
      |                         ~~~~~~~~~~~~~^~~~~

Signed-off-by: Kazuhito Hagio <k-hagio-ab@nec.com>
Signed-off-by: Lianbo Jiang <lijiang@redhat.com>
---
 symbols.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/symbols.c b/symbols.c
index 69004a2e66e3..a94660538492 100644
--- a/symbols.c
+++ b/symbols.c
@@ -7363,7 +7363,7 @@ cmd_p(void)
 	unsigned radix;
 	int do_load_module_filter;
 	char buf1[BUFSIZE]; 
-	char *cpuspec;
+	char *cpuspec, *p;
 
 	do_load_module_filter = radix = 0;
 
@@ -7398,7 +7398,7 @@ cmd_p(void)
         if (argerrs || !args[optind])
                 cmd_usage(pc->curcmd, SYNOPSIS);
 
-	cpuspec = strrchr(args[optind], ':');
+	p = cpuspec = strrchr(args[optind], ':');
 	if (cpuspec)
 		*cpuspec++ = NULLCHAR;
 
@@ -7421,7 +7421,7 @@ cmd_p(void)
 			      sp->name);
 		else
 			/* maybe a valid C expression (e.g. ':') */
-			*(cpuspec-1) = ':';
+			*p = ':';
 	}
 
 	process_gdb_output(concat_args(buf1, 0, TRUE), radix,
-- 
2.37.1