abdelrahman/wizapp-stdlib
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Remove alloc_obj and pass double pointer to free function

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This commit is contained in:
Abdelrahman Said 2024-03-24 21:05:32 +00:00
parent 8a58a1cc48
commit 6f799c4330
4 changed files with 41 additions and 23 deletions
mem
include/allocator
mem_allocator.h
src
arena
mem_arena.c
libc
mem_libc.c

11
mem/include/allocator/mem_allocator.h

@ -12,7 +12,7 @@ typedef void *(MemAllocAlignedFunc)(u64 size, u64 alignment, void *alloc_obj);
typedef void *(MemReallocFunc)(void *ptr, u64 size, void *alloc_obj);
typedef void *(MemReallocAlignedFunc)(void *ptr, u64 size, u64 alignment,
void *alloc_obj);
typedef void(MemFreeFunc)(void *ptr, void *alloc_obj);
typedef void(MemFreeFunc)(void **ptr, void *alloc_obj);
typedef struct allocator Allocator;
struct allocator {
@ -24,6 +24,15 @@ struct allocator {
MemFreeFunc *free;
};
void *wapp_mem_allocator_alloc(const Allocator *allocator, u64 size);
void *wapp_mem_allocator_alloc_aligned(const Allocator *allocator, u64 size,
u64 alignment);
void *wapp_mem_allocator_realloc(const Allocator *allocator, void *ptr,
u64 size);
void *wapp_mem_allocator_realloc_aligned(const Allocator *allocator, void *ptr,
u64 size, u64 alignment);
void wapp_mem_allocator_free(const Allocator *allocator, void **ptr);
#ifdef __cplusplus
}
#endif // __cplusplus

6
mem/src/arena/mem_arena.c

@ -51,7 +51,8 @@ internal void base_arena_free(BaseArena *arena);
internal ArenaAllocHDR *find_alloc_header(BaseArena *arena, void *alloc_ptr);
internal void *mem_arena_alloc(u64 size, void *alloc_obj);
internal void *mem_arena_alloc_aligned(u64 size, u64 alignment, void *alloc_obj);
internal void *mem_arena_alloc_aligned(u64 size, u64 alignment,
void *alloc_obj);
internal void *mem_arena_realloc(void *ptr, u64 size, void *alloc_obj);
internal void *mem_arena_realloc_aligned(void *ptr, u64 size, u64 alignment,
void *alloc_obj);
@ -379,7 +380,8 @@ internal void *mem_arena_alloc(u64 size, void *alloc_obj) {
return wapp_mem_arena_alloc(arena, size);
}
internal void *mem_arena_alloc_aligned(u64 size, u64 alignment, void *alloc_obj) {
internal void *mem_arena_alloc_aligned(u64 size, u64 alignment,
void *alloc_obj) {
Arena *arena = (Arena *)alloc_obj;
return wapp_mem_arena_alloc_aligned(arena, size, alignment);

11
mem/src/libc/mem_libc.c

@ -7,7 +7,7 @@
internal void *mem_libc_alloc(u64 size, void *alloc_obj);
internal void *mem_libc_alloc_aligned(u64 size, u64 alignment, void *alloc_obj);
internal void *mem_libc_realloc(void *ptr, u64 size, void *alloc_obj);
internal void mem_libc_free(void *ptr, void *alloc_obj);
internal void mem_libc_free(void **ptr, void *alloc_obj);
Allocator wapp_mem_libc_allocator(void) {
return (Allocator){
@ -43,4 +43,11 @@ internal void *mem_libc_realloc(void *ptr, u64 size, void *alloc_obj) {
return output;
}
internal void mem_libc_free(void *ptr, void *alloc_obj) { free(ptr); }
internal void mem_libc_free(void **ptr, void *alloc_obj) {
if (!ptr || !(*ptr)) {
return;
}
free(*ptr);
*ptr = NULL;
}