From: Torsten Bögershausen <tboegi@xxxxxx> If a "char" in C is signed or unsigned is not specified, because it is out of tradition "implementation dependent". Therefore constructs like "if (name[i] < 0)" are not portable, use "if (name[i] & 0x80)" instead. Detected by "gcc (Raspbian 6.3.0-18+rpi1+deb9u1) 6.3.0 20170516" when setting DEVELOPER = 1 DEVOPTS = extra-all Signed-off-by: Torsten Bögershausen <tboegi@xxxxxx> --- path.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/path.c b/path.c index 34f0f98349..ba06ec5b2d 100644 --- a/path.c +++ b/path.c @@ -1369,7 +1369,7 @@ static int is_ntfs_dot_generic(const char *name, saw_tilde = 1; } else if (i >= 6) return 0; - else if (name[i] < 0) { + else if (name[i] & 0x80) { /* * We know our needles contain only ASCII, so we clamp * here to make the results of tolower() sane. -- 2.11.0