86         aofrwblock *block = listNodeValue(ln);  in aofRewriteBufferSize()  local
87         size += block->used;  in aofRewriteBufferSize()
97     aofrwblock *block;  in aofChildWriteDiffData()  local
106         block = ln ? ln->value : NULL;  in aofChildWriteDiffData()
107         if (server.aof_stop_sending_diff || !block) {  in aofChildWriteDiffData()
112         if (block->used > 0) {  in aofChildWriteDiffData()
114                              block->buf,block->used);  in aofChildWriteDiffData()
116             memmove(block->buf,block->buf+nwritten,block->used-nwritten);  in aofChildWriteDiffData()
117             block->used -= nwritten;  in aofChildWriteDiffData()
119         if (block->used == 0) listDelNode(server.aof_rewrite_buf_blocks,ln);  in aofChildWriteDiffData()
126     aofrwblock *block = ln ? ln->value : NULL;  in aofRewriteBufferAppend()  local
131         if (block) {  in aofRewriteBufferAppend()
132             unsigned long thislen = (block->free < len) ? block->free : len;  in aofRewriteBufferAppend()
134                 memcpy(block->buf+block->used, s, thislen);  in aofRewriteBufferAppend()
135                 block->used += thislen;  in aofRewriteBufferAppend()
136                 block->free -= thislen;  in aofRewriteBufferAppend()
145             block = zmalloc(sizeof(*block));  in aofRewriteBufferAppend()
146             block->free = AOF_RW_BUF_BLOCK_SIZE;  in aofRewriteBufferAppend()
147             block->used = 0;  in aofRewriteBufferAppend()
148             listAddNodeTail(server.aof_rewrite_buf_blocks,block);  in aofRewriteBufferAppend()
180         aofrwblock *block = listNodeValue(ln);  in aofRewriteBufferWrite()  local
183         if (block->used) {  in aofRewriteBufferWrite()
184             nwritten = write(fd,block->buf,block->used);  in aofRewriteBufferWrite()
185             if (nwritten != (ssize_t)block->used) {  in aofRewriteBufferWrite()