chromium/third_party/grpc/src/third_party/upb/upb/arena.c

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#include "upb/arena.h"

#include <stdlib.h>

#include "upb/internal/upb.h"

// Must be last.
#include "upb/port_def.inc"

/* upb_alloc ******************************************************************/

static void* upb_global_allocfunc(upb_alloc* alloc, void* ptr, size_t oldsize,
                                  size_t size) { … }

static uint32_t* upb_cleanup_pointer(uintptr_t cleanup_metadata) { … }

static bool upb_cleanup_has_initial_block(uintptr_t cleanup_metadata) { … }

static uintptr_t upb_cleanup_metadata(uint32_t* cleanup,
                                      bool has_initial_block) { … }

upb_alloc upb_alloc_global = …;

/* upb_Arena ******************************************************************/

struct mem_block { … };

cleanup_ent;

static const size_t memblock_reserve = …;

static upb_Arena* arena_findroot(upb_Arena* a) { … }

static void upb_Arena_addblock(upb_Arena* a, upb_Arena* root, void* ptr,
                               size_t size) { … }

static bool upb_Arena_Allocblock(upb_Arena* a, size_t size) { … }

void* _upb_Arena_SlowMalloc(upb_Arena* a, size_t size) { … }

static void* upb_Arena_doalloc(upb_alloc* alloc, void* ptr, size_t oldsize,
                               size_t size) { … }

/* Public Arena API ***********************************************************/

upb_Arena* arena_initslow(void* mem, size_t n, upb_alloc* alloc) { … }

upb_Arena* upb_Arena_Init(void* mem, size_t n, upb_alloc* alloc) { … }

static void arena_dofree(upb_Arena* a) { … }

void upb_Arena_Free(upb_Arena* a) { … }

bool upb_Arena_AddCleanup(upb_Arena* a, void* ud, upb_CleanupFunc* func) { … }

bool upb_Arena_Fuse(upb_Arena* a1, upb_Arena* a2) { … }