Revision 3fc7fc1c5f05602be0ad9d81ba3797dfc97f8efd authored by Junio C Hamano on 14 December 2020, 18:21:38 UTC, committed by Junio C Hamano on 14 December 2020, 18:21:38 UTC
Test update. * js/t5526-with-no-particular-primary-branch-name: t5526: drop the prereq expecting the default branch name `main` t5526: avoid depending on a specific default branch name
mem-pool.h
#ifndef MEM_POOL_H
#define MEM_POOL_H
struct mp_block {
struct mp_block *next_block;
char *next_free;
char *end;
uintmax_t space[FLEX_ARRAY]; /* more */
};
struct mem_pool {
struct mp_block *mp_block;
/*
* The amount of available memory to grow the pool by.
* This size does not include the overhead for the mp_block.
*/
size_t block_alloc;
/* The total amount of memory allocated by the pool. */
size_t pool_alloc;
};
/*
* Initialize mem_pool with specified initial size.
*/
void mem_pool_init(struct mem_pool *pool, size_t initial_size);
/*
* Discard all the memory the memory pool is responsible for.
*/
void mem_pool_discard(struct mem_pool *pool, int invalidate_memory);
/*
* Alloc memory from the mem_pool.
*/
void *mem_pool_alloc(struct mem_pool *pool, size_t len);
/*
* Allocate and zero memory from the memory pool.
*/
void *mem_pool_calloc(struct mem_pool *pool, size_t count, size_t size);
/*
* Allocate memory from the memory pool and copy str into it.
*/
char *mem_pool_strdup(struct mem_pool *pool, const char *str);
char *mem_pool_strndup(struct mem_pool *pool, const char *str, size_t len);
/*
* Move the memory associated with the 'src' pool to the 'dst' pool. The 'src'
* pool will be empty and not contain any memory. It still needs to be free'd
* with a call to `mem_pool_discard`.
*/
void mem_pool_combine(struct mem_pool *dst, struct mem_pool *src);
/*
* Check if a memory pointed at by 'mem' is part of the range of
* memory managed by the specified mem_pool.
*/
int mem_pool_contains(struct mem_pool *pool, void *mem);
#endif
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