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cpp: add sbuffer::clear() and vrefbuffer::clear()

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This commit is contained in:
frsyuki 2010-05-25 02:57:37 +09:00
parent dbebe9771b
commit fc7da17fa2
6 changed files with 61 additions and 0 deletions
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4
cpp/msgpack/sbuffer.h
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@ -77,6 +77,10 @@ static inline char* msgpack_sbuffer_release(msgpack_sbuffer* sbuf)
return tmp;
}
static inline void msgpack_sbuffer_clear(msgpack_sbuffer* sbuf)
{
sbuf->size = 0;
}
#ifdef __cplusplus
}

5
cpp/msgpack/sbuffer.hpp
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@ -72,6 +72,11 @@ public:
return msgpack_sbuffer_release(this);
}
void clear()
{
msgpack_sbuffer_clear(this);
}
private:
void expand_buffer(size_t len)
{

3
cpp/msgpack/vrefbuffer.h
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@ -80,6 +80,9 @@ int msgpack_vrefbuffer_append_ref(msgpack_vrefbuffer* vbuf,
int msgpack_vrefbuffer_migrate(msgpack_vrefbuffer* vbuf, msgpack_vrefbuffer* to);
void msgpack_vrefbuffer_clear(msgpack_vrefbuffer* vref);
int msgpack_vrefbuffer_write(void* data, const char* buf, unsigned int len)
{
msgpack_vrefbuffer* vbuf = (msgpack_vrefbuffer*)data;

5
cpp/msgpack/vrefbuffer.hpp
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@ -78,6 +78,11 @@ public:
}
}
void clear()
{
msgpack_vrefbuffer_clear(this);
}
private:
typedef msgpack_vrefbuffer base;

25
cpp/test/buffer.cc
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@ -12,6 +12,14 @@ TEST(buffer, sbuffer)
EXPECT_EQ(3, sbuf.size());
EXPECT_TRUE( memcmp(sbuf.data(), "aaa", 3) == 0 );
sbuf.clear();
sbuf.write("a", 1);
sbuf.write("a", 1);
sbuf.write("a", 1);
EXPECT_EQ(3, sbuf.size());
EXPECT_TRUE( memcmp(sbuf.data(), "aaa", 3) == 0 );
}
@ -32,6 +40,23 @@ TEST(buffer, vrefbuffer)
EXPECT_EQ(3, sbuf.size());
EXPECT_TRUE( memcmp(sbuf.data(), "aaa", 3) == 0 );
vbuf.clear();
vbuf.write("a", 1);
vbuf.write("a", 1);
vbuf.write("a", 1);
vec = vbuf.vector();
veclen = vbuf.vector_size();
sbuf.clear();
for(size_t i=0; i < veclen; ++i) {
sbuf.write((const char*)vec[i].iov_base, vec[i].iov_len);
}
EXPECT_EQ(3, sbuf.size());
EXPECT_TRUE( memcmp(sbuf.data(), "aaa", 3) == 0 );
}

19
cpp/vrefbuffer.c
View File

@ -75,6 +75,25 @@ void msgpack_vrefbuffer_destroy(msgpack_vrefbuffer* vbuf)
free(vbuf->array);
}
void msgpack_vrefbuffer_clear(msgpack_vrefbuffer* vbuf)
{
msgpack_vrefbuffer_chunk* c = vbuf->inner_buffer.head->next;
msgpack_vrefbuffer_chunk* n;
while(c != NULL) {
n = c->next;
free(c);
c = n;
}
msgpack_vrefbuffer_inner_buffer* const ib = &vbuf->inner_buffer;
msgpack_vrefbuffer_chunk* chunk = ib->head;
chunk->next = NULL;
ib->free = vbuf->chunk_size;
ib->ptr = ((char*)chunk) + sizeof(msgpack_vrefbuffer_chunk);
vbuf->tail = vbuf->array;
}
int msgpack_vrefbuffer_append_ref(msgpack_vrefbuffer* vbuf,
const char* buf, unsigned int len)
{