diff options
Diffstat (limited to 'handy.h')
| -rw-r--r-- | handy.h | 9 |
1 files changed, 7 insertions, 2 deletions
@@ -463,6 +463,11 @@ Converts the specified character to lowercase. Characters outside the US-ASCII (Basic Latin) range are viewed as not having any case. =cut + +NOTE: Since some of these are macros, there is no check in those that the +parameter is a char or U8. This means that if called with a larger width +parameter, casts can silently truncate and yield wrong results. + */ #define isALNUM(c) (isALPHA(c) || isDIGIT(c) || (c) == '_') @@ -504,8 +509,8 @@ US-ASCII (Basic Latin) range are viewed as not having any case. # define isUPPER(c) ((c) >= 'A' && (c) <= 'Z') # define isLOWER(c) ((c) >= 'a' && (c) <= 'z') # define isALNUMC(c) (isALPHA(c) || isDIGIT(c)) -# define isASCII(c) ((c) <= 127) -# define isCNTRL(c) ((c) < ' ' || (c) == 127) +# define isASCII(c) ((U8) (c) <= 127) +# define isCNTRL(c) ((U8) (c) < ' ' || (c) == 127) # define isGRAPH(c) (isALNUM(c) || isPUNCT(c)) # define isPRINT(c) (((c) >= 32 && (c) < 127)) # define isPUNCT(c) (((c) >= 33 && (c) <= 47) || ((c) >= 58 && (c) <= 64) || ((c) >= 91 && (c) <= 96) || ((c) >= 123 && (c) <= 126)) |