diff options
Diffstat (limited to 'lib/setup_once.h')
| -rw-r--r-- | lib/setup_once.h | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/lib/setup_once.h b/lib/setup_once.h index b449807db..8bdb472df 100644 --- a/lib/setup_once.h +++ b/lib/setup_once.h @@ -42,7 +42,10 @@ #include <string.h> #include <stdarg.h> #include <ctype.h> + +#ifdef HAVE_ERRNO_H #include <errno.h> +#endif #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> @@ -254,10 +257,13 @@ struct timeval { #define ISPRINT(x) (isprint((int) ((unsigned char)x))) #define ISUPPER(x) (isupper((int) ((unsigned char)x))) #define ISLOWER(x) (islower((int) ((unsigned char)x))) +#define ISASCII(x) (isascii((int) ((unsigned char)x))) #define ISBLANK(x) (int)((((unsigned char)x) == ' ') || \ (((unsigned char)x) == '\t')) +#define TOLOWER(x) (tolower((int) ((unsigned char)x))) + /* * 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms. @@ -300,6 +306,27 @@ struct timeval { /* + * Macro WHILE_FALSE may be used to build single-iteration do-while loops, + * avoiding compiler warnings. Mostly intended for other macro definitions. + */ + +#define WHILE_FALSE while(0) + +#if defined(_MSC_VER) && !defined(__POCC__) +# undef WHILE_FALSE +# if (_MSC_VER < 1500) +# define WHILE_FALSE while(1, 0) +# else +# define WHILE_FALSE \ +__pragma(warning(push)) \ +__pragma(warning(disable:4127)) \ +while(0) \ +__pragma(warning(pop)) +# endif +#endif + + +/* * Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type. */ @@ -336,7 +363,7 @@ typedef int sig_atomic_t; #ifdef DEBUGBUILD #define DEBUGF(x) x #else -#define DEBUGF(x) do { } while (0) +#define DEBUGF(x) do { } WHILE_FALSE #endif @@ -347,7 +374,7 @@ typedef int sig_atomic_t; #if defined(DEBUGBUILD) && defined(HAVE_ASSERT_H) #define DEBUGASSERT(x) assert(x) #else -#define DEBUGASSERT(x) do { } while (0) +#define DEBUGASSERT(x) do { } WHILE_FALSE #endif @@ -487,5 +514,5 @@ typedef int sig_atomic_t; #define ZERO_NULL 0 -#endif /* __SETUP_ONCE_H */ +#endif /* __SETUP_ONCE_H */ |