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Diffstat (limited to 'contrib/ucw/alloc.h')
-rw-r--r-- | contrib/ucw/alloc.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/contrib/ucw/alloc.h b/contrib/ucw/alloc.h new file mode 100644 index 0000000..668c707 --- /dev/null +++ b/contrib/ucw/alloc.h @@ -0,0 +1,36 @@ +/* + * UCW Library -- Generic allocators + * + * (c) 2014 Martin Mares <mj@ucw.cz> + */ + +#ifndef _UCW_ALLOC_H +#define _UCW_ALLOC_H + +/** + * This structure describes a generic allocator. It provides pointers + * to three functions, which handle the actual (re)allocations. + **/ +struct ucw_allocator { + void * (*alloc)(struct ucw_allocator *alloc, size_t size); + void * (*realloc)(struct ucw_allocator *alloc, void *ptr, size_t old_size, size_t new_size); + void (*free)(struct ucw_allocator *alloc, void *ptr); +}; + +/* alloc-std.c */ + +/** + * [[std]] + * This allocator uses <<basics:xmalloc()>>, <<basics:xrealloc()>> and <<basics:xfree()>>. The memory + * it allocates is left unitialized. + **/ +extern struct ucw_allocator ucw_allocator_std; + +/** + * [[zeroing]] + * This allocator uses <<basics:xmalloc()>>, <<basics:xrealloc()>> and <<basics:xfree()>>. All memory + * is zeroed upon allocation. + **/ +extern struct ucw_allocator ucw_allocator_zeroed; + +#endif |