diff options
Diffstat (limited to 'lib/setup_once.h')
| -rw-r--r-- | lib/setup_once.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/setup_once.h b/lib/setup_once.h index d3a4cc0a1..9c00fd637 100644 --- a/lib/setup_once.h +++ b/lib/setup_once.h @@ -24,6 +24,16 @@ ***************************************************************************/ +/******************************************************************** + * NOTICE * + * ======== * + * * + * Content of header files lib/setup_once.h and ares/setup_once.h * + * must be kept in sync. Modify the other one if you change this. * + * * + ********************************************************************/ + + /* * If we have the MSG_NOSIGNAL define, make sure we use * it as the fourth argument of send() and recv() @@ -112,5 +122,18 @@ #endif /* HAVE_SEND */ +/* + * Uppercase macro versions of ANSI/ISO is*() functions/macros which + * avoid negative number inputs whith argument byte codes > 127. + */ + +#define ISSPACE(x) (isspace((int) ((unsigned char)x))) +#define ISDIGIT(x) (isdigit((int) ((unsigned char)x))) +#define ISALNUM(x) (isalnum((int) ((unsigned char)x))) +#define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x))) +#define ISGRAPH(x) (isgraph((int) ((unsigned char)x))) +#define ISALPHA(x) (isalpha((int) ((unsigned char)x))) + + #endif /* __SETUP_ONCE_H */ |