From: Eric Biggers <ebiggers@xxxxxxxxxx>
Unfortunately, gcc gets confused by blkid_strndup() and incorrectly
thinks the destination string is not being null-terminated. This is
part of -Wstringop-truncation, enabled automatically by -Wall in gcc 8
and later. Let's just suppress this warning here.
Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
---
lib/blkid/devno.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/lib/blkid/devno.c b/lib/blkid/devno.c
index 34ceb3c48..b1cadc9df 100644
--- a/lib/blkid/devno.c
+++ b/lib/blkid/devno.c
@@ -37,6 +37,12 @@
#include "blkidP.h"
+#if defined(__GNUC__) && __GNUC__ >= 8
+/* gcc incorrectly thinks the destination string is not being null-terminated */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstringop-truncation"
+#endif
+
char *blkid_strndup(const char *s, int length)
{
char *ret;
@@ -55,6 +61,10 @@ char *blkid_strndup(const char *s, int length)
return ret;
}
+#if defined(__GNUC__) && __GNUC__ >= 8
+#pragma GCC diagnostic pop
+#endif
+
char *blkid_strdup(const char *s)
{
return blkid_strndup(s, 0);
--
2.39.0
