diff options
Diffstat (limited to 'contrib/gcc/ansidecl.h')
| -rw-r--r-- | contrib/gcc/ansidecl.h | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/contrib/gcc/ansidecl.h b/contrib/gcc/ansidecl.h index 9a7c577..f8f2d73 100644 --- a/contrib/gcc/ansidecl.h +++ b/contrib/gcc/ansidecl.h @@ -136,10 +136,13 @@ So instead we use the macro below and test it against specific values. */ #define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__) #endif /* GCC_VERSION */ -#if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(_WIN32) +#if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(_WIN32) || (defined(__alpha) && defined(__cplusplus)) /* All known AIX compilers implement these things (but don't always define __STDC__). The RISC/OS MIPS compiler defines these things in SVR4 mode, but does not define __STDC__. */ +/* eraxxon@alumni.rice.edu: The Compaq C++ compiler, unlike many other + C++ compilers, does not define __STDC__, though it acts as if this + was so. (Verified versions: 5.7, 6.2, 6.3, 6.5) */ #define ANSI_PROTOTYPES 1 #define PTR void * @@ -265,8 +268,21 @@ So instead we use the macro below and test it against specific values. */ #define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) #endif /* ATTRIBUTE_NORETURN */ +/* Attribute `nonnull' was valid as of gcc 3.3. */ +#ifndef ATTRIBUTE_NONNULL +# if (GCC_VERSION >= 3003) +# define ATTRIBUTE_NONNULL(m) __attribute__ ((__nonnull__ (m))) +# else +# define ATTRIBUTE_NONNULL(m) +# endif /* GNUC >= 3.3 */ +#endif /* ATTRIBUTE_NONNULL */ + +/* Use ATTRIBUTE_PRINTF when the format specifier must not be NULL. + This was the case for the `printf' format attribute by itself + before GCC 3.3, but as of 3.3 we need to add the `nonnull' + attribute to retain this behavior. */ #ifndef ATTRIBUTE_PRINTF -#define ATTRIBUTE_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n))) +#define ATTRIBUTE_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n))) ATTRIBUTE_NONNULL(m) #define ATTRIBUTE_PRINTF_1 ATTRIBUTE_PRINTF(1, 2) #define ATTRIBUTE_PRINTF_2 ATTRIBUTE_PRINTF(2, 3) #define ATTRIBUTE_PRINTF_3 ATTRIBUTE_PRINTF(3, 4) @@ -274,6 +290,21 @@ So instead we use the macro below and test it against specific values. */ #define ATTRIBUTE_PRINTF_5 ATTRIBUTE_PRINTF(5, 6) #endif /* ATTRIBUTE_PRINTF */ +/* Use ATTRIBUTE_NULL_PRINTF when the format specifier may be NULL. A + NULL format specifier was allowed as of gcc 3.3. */ +#ifndef ATTRIBUTE_NULL_PRINTF +# if (GCC_VERSION >= 3003) +# define ATTRIBUTE_NULL_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n))) +# else +# define ATTRIBUTE_NULL_PRINTF(m, n) +# endif /* GNUC >= 3.3 */ +# define ATTRIBUTE_NULL_PRINTF_1 ATTRIBUTE_NULL_PRINTF(1, 2) +# define ATTRIBUTE_NULL_PRINTF_2 ATTRIBUTE_NULL_PRINTF(2, 3) +# define ATTRIBUTE_NULL_PRINTF_3 ATTRIBUTE_NULL_PRINTF(3, 4) +# define ATTRIBUTE_NULL_PRINTF_4 ATTRIBUTE_NULL_PRINTF(4, 5) +# define ATTRIBUTE_NULL_PRINTF_5 ATTRIBUTE_NULL_PRINTF(5, 6) +#endif /* ATTRIBUTE_NULL_PRINTF */ + /* We use __extension__ in some places to suppress -pedantic warnings about GCC extensions. This feature didn't work properly before gcc 2.8. */ |
