* nds32: __builtin_strncpy bound equals destination size
@ 2021-05-27 1:27 Alan Modra
0 siblings, 0 replies; only message in thread
From: Alan Modra @ 2021-05-27 1:27 UTC (permalink / raw)
To: binutils
* config/tc-nds32.c (do_pseudo_push_bhwd, do_pseudo_pop_bhwd),
(do_pseudo_pusha, do_pseudo_pushi): Avoid fortify strncpy bound
error.
diff --git a/gas/config/tc-nds32.c b/gas/config/tc-nds32.c
index e5c0eaf0866..c5bad6b476a 100644
--- a/gas/config/tc-nds32.c
+++ b/gas/config/tc-nds32.c
@@ -3255,8 +3255,8 @@ do_pseudo_push_bhwd (int argc ATTRIBUTE_UNUSED, char *argv[],
if (argc == 2)
{
- strncpy (location, argv[1], 8);
- location[7] = '\0';
+ strncpy (location, argv[1], sizeof (location) - 1);
+ location[sizeof (location) - 1] = '\0';
}
md_assemblef ("l.%c $ta,%s", size, argv[0]);
@@ -3287,8 +3287,8 @@ do_pseudo_pop_bhwd (int argc ATTRIBUTE_UNUSED, char *argv[],
if (argc == 3)
{
- strncpy (location, argv[2], 8);
- location[7] = '\0';
+ strncpy (location, argv[2], sizeof (location) - 1);
+ location[sizeof (location) - 1] = '\0';
}
if ((pv & 0x3) == 0x3) /* double-word */
@@ -3310,8 +3310,8 @@ do_pseudo_pusha (int argc ATTRIBUTE_UNUSED, char *argv[],
if (argc == 2)
{
- strncpy (location, argv[1], 8);
- location[7] = '\0';
+ strncpy (location, argv[1], sizeof (location) - 1);
+ location[sizeof (location) - 1] = '\0';
}
md_assemblef ("la $ta,%s", argv[0]);
@@ -3327,8 +3327,8 @@ do_pseudo_pushi (int argc ATTRIBUTE_UNUSED, char *argv[],
if (argc == 2)
{
- strncpy (location, argv[1], 8);
- location[7] = '\0';
+ strncpy (location, argv[1], sizeof (location) - 1);
+ location[sizeof (location) - 1] = '\0';
}
md_assemblef ("li $ta,%s", argv[0]);
--
Alan Modra
Australia Development Lab, IBM
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