diff options
Diffstat (limited to 'contrib/string/string_io.c')
| -rw-r--r-- | contrib/string/string_io.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/contrib/string/string_io.c b/contrib/string/string_io.c index c329fec1e9e..8c4e5b45e1a 100644 --- a/contrib/string/string_io.c +++ b/contrib/string/string_io.c @@ -28,9 +28,10 @@ #define DIGIT(val) ((val) + '0') #define ISOCTAL(c) (((c) >= '0') && ((c) <= '7')) #ifndef ISO8859 -#define NOTPRINTABLE(c) (!isprint(c)) +#define NOTPRINTABLE(c) (!isprint((unsigned char) (c))) #else -#define NOTPRINTABLE(c) (!isprint(c) && ((c) < 0xa0)) +#define NOTPRINTABLE(c) (!isprint((unsigned char) (c)) && \ + ((unsigned char) (c) < (unsigned char) 0xa0)) #endif /* |