diff options
Diffstat (limited to 'lib/misc.h')
| -rw-r--r-- | lib/misc.h | 45 |
1 files changed, 45 insertions, 0 deletions
@@ -87,6 +87,9 @@ typedef unsigned int uint ; typedef unsigned int usize ; typedef unsigned int ulen ; +typedef int ssize ; +typedef int slen ; + typedef unsigned long ulong ; /* cvp == const void* -- ptr to constant void @@ -95,4 +98,46 @@ typedef unsigned long ulong ; */ typedef const void* cvp ; +/* Macros for sexing value of compilation options. + * + * In particular allow a blank option to be treated as true, and a zero option + * to be treated as false. + * + * NB: the option MUST be defined, and must be decimal numeric !! + */ +#define STRING_VALUE_INNER(x) #x +#define STRING_VALUE(x) STRING_VALUE_INNER(x) + +#define IS_BLANK_OPTION(x) IS_BLANK_OPTION_INNER(x) +#define IS_ZERO_OPTION(x) IS_ZERO_OPTION_INNER(x) +#define IS_NOT_ZERO_OPTION(x) IS_NOT_OPTION_ZERO_INNER(x) + +#define IS_BLANK_OPTION_INNER(x) (1##x##1 == 11) +#define IS_ZERO_OPTION_INNER(x) (1##x##1 == 101) +#define IS_NOT_ZERO_OPTION_INNER(x) (1##x##1 != 101) + +/* If QDEBUG is defined, make QDEBUG_NAME and set QDEBUG + * + * Numeric value for QDEBUG: undefined => 0 + * defined, blank => 1 + * defined, 0 => 0 + * defined, other => other + * + * Template for turning compilation option into a value. + */ +#ifdef QDEBUG +# if IS_BLANK_OPTION(QDEBUG) +# undef QDEBUG +# define QDEBUG 1 +# endif +#else +# define QDEBUG 0 +#endif + +enum { qdebug = QDEBUG } ; + +#ifndef QDEBUG_NAME +# define QDEBUG_NAME STRING_VALUE(QDEBUG) +#endif + #endif /* _ZEBRA_MISC_H */ |