Valgrind报告说getaddrinfo正在泄漏内存？
我一直在我们的项目上运行Valgrind，并且valgrind报告说，尽管在函数的底部调用了freeaddrinfo，但是从getaddrinfo的调用中已经丢失了内存。 知道是什么原因造成的吗？
int tcp_connect(char *address, char *port) { //printf("%s\n ", address); int status, sockfd; struct addrinfo hints, *servinfo, *p; memset(&hints, 0, sizeof hints); hints.ai_family = AF_UNSPEC; hints.ai_socktype= SOCK_STREAM; status = getaddrinfo(address,port,&hints,&servinfo); if(status != 0){ printf("tcpconnect: getaddrinfo failed\n"); } for(p = servinfo; p != NULL; p = p->ai_next) { sockfd = socket(p->ai_family, p->ai_socktype, p->ai_protocol); if(sockfd == -1){ printf("tcpconnect: socket failed\n"); continue; } status = connect(sockfd, p->ai_addr, p->ai_addrlen); if(status == -1){ close(sockfd); printf("tcpconnect: connect failed\n"); continue; } break; } if (p == NULL){ printf("tcpconnect: could not get a valid socket file descriptor\n"); return -1; } freeaddrinfo(servinfo); //return socket return sockfd; } valgrind输出在这里：
==7803== 384 bytes in 8 blocks are definitely lost in loss record 30 of 37 ==7803== at 0x4023CC8: malloc (vg_replace_malloc.c:236) ==7803== by 0x413FE46: gaih_inet (in /lib/libc-2.7.so) ==7803== by 0x4141CA1: getaddrinfo (in /lib/libc-2.7.so) ==7803== by 0x804D20D: tcp_connect (tcpconnect.c:18) ==7803== by 0x804D505: update_radio_data_t (radiodata.c:69) ==7803== by 0x4073368: start_thread (in /lib/libpthread-2.7.so) ==7803== by 0x4159CFD: clone (in /lib/libc-2.7.so)
我对此内存泄漏感到困惑，因为我确保在底部调用freeaddrinfo。 这可能是Valgrind或freeaddrinfo中的错误吗？
你的失败路径（ if (p == NULL) ）没有调用freeaddrinfo ，我会在检查之前调用它。
if (p == NULL){ printf("tcpconnect: could not get a valid socket file descriptor\n"); return -1; }
如果此条件为真，则不会调用freeaddrinfo(servinfo) 。