mirror of
https://github.com/msgpack/msgpack-c.git
synced 2025-10-23 00:08:01 +02:00
Untabified.
Adjust line break positions.
This commit is contained in:
Takatoshi Kondo
280
src/vrefbuffer.c
280
src/vrefbuffer.c
@@ -20,201 +20,201 @@
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#include <string.h>
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struct msgpack_vrefbuffer_chunk {
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struct msgpack_vrefbuffer_chunk* next;
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/* data ... */
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struct msgpack_vrefbuffer_chunk* next;
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/* data ... */
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};
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bool msgpack_vrefbuffer_init(msgpack_vrefbuffer* vbuf,
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size_t ref_size, size_t chunk_size)
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size_t ref_size, size_t chunk_size)
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{
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vbuf->chunk_size = chunk_size;
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vbuf->ref_size = ref_size;
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vbuf->chunk_size = chunk_size;
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vbuf->ref_size = ref_size;
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size_t nfirst = (sizeof(struct iovec) < 72/2) ?
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72 / sizeof(struct iovec) : 8;
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size_t nfirst = (sizeof(struct iovec) < 72/2) ?
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72 / sizeof(struct iovec) : 8;
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struct iovec* array = (struct iovec*)malloc(
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sizeof(struct iovec) * nfirst);
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if(array == NULL) {
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return false;
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}
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struct iovec* array = (struct iovec*)malloc(
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sizeof(struct iovec) * nfirst);
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if(array == NULL) {
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return false;
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}
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vbuf->tail = array;
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vbuf->end = array + nfirst;
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vbuf->array = array;
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vbuf->tail = array;
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vbuf->end = array + nfirst;
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vbuf->array = array;
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msgpack_vrefbuffer_chunk* chunk = (msgpack_vrefbuffer_chunk*)malloc(
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sizeof(msgpack_vrefbuffer_chunk) + chunk_size);
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if(chunk == NULL) {
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free(array);
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return false;
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}
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msgpack_vrefbuffer_chunk* chunk = (msgpack_vrefbuffer_chunk*)malloc(
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sizeof(msgpack_vrefbuffer_chunk) + chunk_size);
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if(chunk == NULL) {
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free(array);
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return false;
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}
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msgpack_vrefbuffer_inner_buffer* const ib = &vbuf->inner_buffer;
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msgpack_vrefbuffer_inner_buffer* const ib = &vbuf->inner_buffer;
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ib->free = chunk_size;
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ib->ptr = ((char*)chunk) + sizeof(msgpack_vrefbuffer_chunk);
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ib->head = chunk;
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chunk->next = NULL;
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ib->free = chunk_size;
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ib->ptr = ((char*)chunk) + sizeof(msgpack_vrefbuffer_chunk);
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ib->head = chunk;
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chunk->next = NULL;
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return true;
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return true;
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}
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void msgpack_vrefbuffer_destroy(msgpack_vrefbuffer* vbuf)
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{
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msgpack_vrefbuffer_chunk* c = vbuf->inner_buffer.head;
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while(true) {
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msgpack_vrefbuffer_chunk* n = c->next;
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free(c);
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if(n != NULL) {
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c = n;
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} else {
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break;
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}
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}
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free(vbuf->array);
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msgpack_vrefbuffer_chunk* c = vbuf->inner_buffer.head;
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while(true) {
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msgpack_vrefbuffer_chunk* n = c->next;
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free(c);
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if(n != NULL) {
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c = n;
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} else {
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break;
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}
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}
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free(vbuf->array);
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}
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void msgpack_vrefbuffer_clear(msgpack_vrefbuffer* vbuf)
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{
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msgpack_vrefbuffer_chunk* c = vbuf->inner_buffer.head->next;
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msgpack_vrefbuffer_chunk* n;
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while(c != NULL) {
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n = c->next;
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free(c);
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c = n;
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}
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msgpack_vrefbuffer_chunk* c = vbuf->inner_buffer.head->next;
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msgpack_vrefbuffer_chunk* n;
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while(c != NULL) {
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n = c->next;
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free(c);
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c = n;
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}
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msgpack_vrefbuffer_inner_buffer* const ib = &vbuf->inner_buffer;
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msgpack_vrefbuffer_chunk* chunk = ib->head;
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chunk->next = NULL;
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ib->free = vbuf->chunk_size;
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ib->ptr = ((char*)chunk) + sizeof(msgpack_vrefbuffer_chunk);
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msgpack_vrefbuffer_inner_buffer* const ib = &vbuf->inner_buffer;
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msgpack_vrefbuffer_chunk* chunk = ib->head;
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chunk->next = NULL;
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ib->free = vbuf->chunk_size;
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ib->ptr = ((char*)chunk) + sizeof(msgpack_vrefbuffer_chunk);
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vbuf->tail = vbuf->array;
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vbuf->tail = vbuf->array;
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}
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int msgpack_vrefbuffer_append_ref(msgpack_vrefbuffer* vbuf,
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const char* buf, size_t len)
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const char* buf, size_t len)
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{
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if(vbuf->tail == vbuf->end) {
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const size_t nused = (size_t)(vbuf->tail - vbuf->array);
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const size_t nnext = nused * 2;
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if(vbuf->tail == vbuf->end) {
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const size_t nused = (size_t)(vbuf->tail - vbuf->array);
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const size_t nnext = nused * 2;
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struct iovec* nvec = (struct iovec*)realloc(
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vbuf->array, sizeof(struct iovec)*nnext);
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if(nvec == NULL) {
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return -1;
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}
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struct iovec* nvec = (struct iovec*)realloc(
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vbuf->array, sizeof(struct iovec)*nnext);
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if(nvec == NULL) {
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return -1;
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}
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vbuf->array = nvec;
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vbuf->end = nvec + nnext;
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vbuf->tail = nvec + nused;
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}
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vbuf->array = nvec;
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vbuf->end = nvec + nnext;
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vbuf->tail = nvec + nused;
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}
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vbuf->tail->iov_base = (char*)buf;
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vbuf->tail->iov_len = len;
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++vbuf->tail;
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vbuf->tail->iov_base = (char*)buf;
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vbuf->tail->iov_len = len;
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++vbuf->tail;
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return 0;
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return 0;
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}
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int msgpack_vrefbuffer_append_copy(msgpack_vrefbuffer* vbuf,
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const char* buf, size_t len)
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const char* buf, size_t len)
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{
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msgpack_vrefbuffer_inner_buffer* const ib = &vbuf->inner_buffer;
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msgpack_vrefbuffer_inner_buffer* const ib = &vbuf->inner_buffer;
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if(ib->free < len) {
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size_t sz = vbuf->chunk_size;
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if(sz < len) {
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sz = len;
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}
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if(ib->free < len) {
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size_t sz = vbuf->chunk_size;
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if(sz < len) {
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sz = len;
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}
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msgpack_vrefbuffer_chunk* chunk = (msgpack_vrefbuffer_chunk*)malloc(
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sizeof(msgpack_vrefbuffer_chunk) + sz);
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if(chunk == NULL) {
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return -1;
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}
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msgpack_vrefbuffer_chunk* chunk = (msgpack_vrefbuffer_chunk*)malloc(
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sizeof(msgpack_vrefbuffer_chunk) + sz);
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if(chunk == NULL) {
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return -1;
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}
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chunk->next = ib->head;
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ib->head = chunk;
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ib->free = sz;
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ib->ptr = ((char*)chunk) + sizeof(msgpack_vrefbuffer_chunk);
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}
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chunk->next = ib->head;
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ib->head = chunk;
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ib->free = sz;
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ib->ptr = ((char*)chunk) + sizeof(msgpack_vrefbuffer_chunk);
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}
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char* m = ib->ptr;
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memcpy(m, buf, len);
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ib->free -= len;
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ib->ptr += len;
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char* m = ib->ptr;
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memcpy(m, buf, len);
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ib->free -= len;
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ib->ptr += len;
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if(vbuf->tail != vbuf->array && m ==
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(const char*)((vbuf->tail-1)->iov_base) + (vbuf->tail-1)->iov_len) {
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(vbuf->tail-1)->iov_len += len;
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return 0;
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} else {
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return msgpack_vrefbuffer_append_ref(vbuf, m, len);
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}
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if(vbuf->tail != vbuf->array && m ==
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(const char*)((vbuf->tail-1)->iov_base) + (vbuf->tail-1)->iov_len) {
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(vbuf->tail-1)->iov_len += len;
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return 0;
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} else {
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return msgpack_vrefbuffer_append_ref(vbuf, m, len);
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}
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}
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int msgpack_vrefbuffer_migrate(msgpack_vrefbuffer* vbuf, msgpack_vrefbuffer* to)
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{
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size_t sz = vbuf->chunk_size;
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size_t sz = vbuf->chunk_size;
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msgpack_vrefbuffer_chunk* empty = (msgpack_vrefbuffer_chunk*)malloc(
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sizeof(msgpack_vrefbuffer_chunk) + sz);
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if(empty == NULL) {
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return -1;
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}
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msgpack_vrefbuffer_chunk* empty = (msgpack_vrefbuffer_chunk*)malloc(
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sizeof(msgpack_vrefbuffer_chunk) + sz);
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if(empty == NULL) {
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return -1;
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}
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empty->next = NULL;
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empty->next = NULL;
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const size_t nused = (size_t)(vbuf->tail - vbuf->array);
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if(to->tail + nused < vbuf->end) {
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const size_t tosize = (size_t)(to->tail - to->array);
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const size_t reqsize = nused + tosize;
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size_t nnext = (size_t)(to->end - to->array) * 2;
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while(nnext < reqsize) {
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nnext *= 2;
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}
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const size_t nused = (size_t)(vbuf->tail - vbuf->array);
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if(to->tail + nused < vbuf->end) {
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const size_t tosize = (size_t)(to->tail - to->array);
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const size_t reqsize = nused + tosize;
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size_t nnext = (size_t)(to->end - to->array) * 2;
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while(nnext < reqsize) {
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nnext *= 2;
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}
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struct iovec* nvec = (struct iovec*)realloc(
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to->array, sizeof(struct iovec)*nnext);
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if(nvec == NULL) {
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free(empty);
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return -1;
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}
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struct iovec* nvec = (struct iovec*)realloc(
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to->array, sizeof(struct iovec)*nnext);
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if(nvec == NULL) {
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free(empty);
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return -1;
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}
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to->array = nvec;
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to->end = nvec + nnext;
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to->tail = nvec + tosize;
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}
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to->array = nvec;
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to->end = nvec + nnext;
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to->tail = nvec + tosize;
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}
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memcpy(to->tail, vbuf->array, sizeof(struct iovec)*nused);
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memcpy(to->tail, vbuf->array, sizeof(struct iovec)*nused);
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to->tail += nused;
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vbuf->tail = vbuf->array;
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to->tail += nused;
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vbuf->tail = vbuf->array;
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msgpack_vrefbuffer_inner_buffer* const ib = &vbuf->inner_buffer;
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msgpack_vrefbuffer_inner_buffer* const toib = &to->inner_buffer;
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msgpack_vrefbuffer_inner_buffer* const ib = &vbuf->inner_buffer;
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msgpack_vrefbuffer_inner_buffer* const toib = &to->inner_buffer;
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msgpack_vrefbuffer_chunk* last = ib->head;
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while(last->next != NULL) {
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last = last->next;
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}
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last->next = toib->head;
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toib->head = ib->head;
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msgpack_vrefbuffer_chunk* last = ib->head;
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while(last->next != NULL) {
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last = last->next;
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}
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last->next = toib->head;
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toib->head = ib->head;
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if(toib->free < ib->free) {
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toib->free = ib->free;
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toib->ptr = ib->ptr;
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}
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if(toib->free < ib->free) {
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toib->free = ib->free;
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toib->ptr = ib->ptr;
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}
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ib->head = empty;
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ib->free = sz;
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ib->ptr = ((char*)empty) + sizeof(msgpack_vrefbuffer_chunk);
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ib->head = empty;
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ib->free = sz;
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ib->ptr = ((char*)empty) + sizeof(msgpack_vrefbuffer_chunk);
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return 0;
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return 0;
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}
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