diff options
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/malloc.h | 51 |
1 files changed, 38 insertions, 13 deletions
diff --git a/malloc/malloc.h b/malloc/malloc.h index 81966b856c..a93c77a853 100644 --- a/malloc/malloc.h +++ b/malloc/malloc.h @@ -1,5 +1,5 @@ /* Prototypes and definition for malloc implementation. - Copyright (C) 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -55,11 +55,36 @@ # define __malloc_ptrdiff_t ptrdiff_t #endif -#if defined __STDC__ || defined __cplusplus || defined __GNUC__ -# define __MALLOC_P(args) args -#else -# define __MALLOC_P(args) () -#endif +#ifdef __GNUC__ + +/* GCC can always grok prototypes. For C++ programs we add throw() + to help it optimize the function calls. But this works only with + gcc 2.8.x and egcs. */ +# if defined __cplusplus && __GNUC_MINOR__ >= 8 +# define __THROW throw () +# else +# define __THROW +# endif +# define __MALLOC_P(args) args __THROW +/* This macro will be used for functions which might take C++ callback + functions. */ +# define __MALLOC_PMT(args) args + +#else /* Not GCC. */ + +# if (defined __STDC__ && __STDC__) || defined __cplusplus + +# define __MALLOC_P(args) args +# define __MALLOC_PMT(args) args + +# else /* Not ANSI C or C++. */ + +# define __MALLOC_P(args) () /* No prototypes. */ +# define __MALLOC_PMT(args) () + +# endif /* ANSI C or C++. */ + +#endif /* GCC. */ #ifndef NULL # ifdef __cplusplus @@ -114,7 +139,7 @@ extern __malloc_ptr_t pvalloc __MALLOC_P ((size_t __size)); /* Underlying allocation function; successive calls should return contiguous pieces of memory. */ -extern __malloc_ptr_t (*__morecore) __MALLOC_P ((ptrdiff_t __size)); +extern __malloc_ptr_t (*__morecore) __MALLOC_PMT ((ptrdiff_t __size)); /* Default value of `__morecore'. */ extern __malloc_ptr_t __default_morecore __MALLOC_P ((ptrdiff_t __size)); @@ -180,18 +205,18 @@ extern int malloc_set_state __MALLOC_P ((__malloc_ptr_t __ptr)); #if defined __GLIBC__ || defined MALLOC_HOOKS /* Hooks for debugging versions. */ -extern void (*__malloc_initialize_hook) __MALLOC_P ((void)); -extern void (*__free_hook) __MALLOC_P ((__malloc_ptr_t __ptr, +extern void (*__malloc_initialize_hook) __MALLOC_PMT ((void)); +extern void (*__free_hook) __MALLOC_PMT ((__malloc_ptr_t __ptr, __const __malloc_ptr_t)); -extern __malloc_ptr_t (*__malloc_hook) __MALLOC_P ((size_t __size, +extern __malloc_ptr_t (*__malloc_hook) __MALLOC_PMT ((size_t __size, __const __malloc_ptr_t)); -extern __malloc_ptr_t (*__realloc_hook) __MALLOC_P ((__malloc_ptr_t __ptr, +extern __malloc_ptr_t (*__realloc_hook) __MALLOC_PMT ((__malloc_ptr_t __ptr, size_t __size, __const __malloc_ptr_t)); -extern __malloc_ptr_t (*__memalign_hook) __MALLOC_P ((size_t __size, +extern __malloc_ptr_t (*__memalign_hook) __MALLOC_PMT ((size_t __size, size_t __alignment, __const __malloc_ptr_t)); -extern void (*__after_morecore_hook) __MALLOC_P ((void)); +extern void (*__after_morecore_hook) __MALLOC_PMT ((void)); /* Activate a standard set of debugging hooks. */ extern void __malloc_check_init __MALLOC_P ((void)); |