每个人,当在gdb中使用"next"指令时,我发现每行源代码显示两次-----我很确定,这些代码不在任何循环中.这是现象:
(gdb) frame
#0 ap_get_client_block (r=0x8560d48,
buffer=0xb68501b7 "<?xml version=\"1.0\" encoding=\"utf-8\"?><Root><OperCode>SMS101</OperCode><AppId>SMSMsgFilterReq</AppId><Req><UserMobile>13925237429</UserMobile><SendMsg>abc?34¨?23a?07\214?21??237?11??215?10°?214?27??227?07\214??,hao"..., bufsiz=81920) at http_filters.c:1540
1540 if (r->remaining < 0 || (!r->read_chunked && r->remaining == 0)) {
(gdb) n
1544 bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
(gdb)
1545 if (bb == NULL) {
(gdb)
1544 bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
(gdb)
1545 if (bb == NULL) {
----- 1544,1545行没有任何循环,但是他们重复了.愿任何人开导我吗？