centos7上毫无规律的出现错误“Segmentation fault”？ - 知否问答 - 万象云+社区

int readLogDataFromRedis(char readKey[50], struct logObj *logP) { printf("readkey=%s\n",readKey); int DataCount = 0; unsigned int j,n; struct timeval timeout = { 1, 500000 }; // 1.5 seconds redisContext* conn = redisConnectWithTimeout(redisServer, redisPort, timeout); if (conn->err) { printf("connection error:%s\n", conn->errstr); redisFree(conn); return 0; } redisReply* reply = (redisReply*)redisCommand(conn, readDB); if (NULL == reply) { redisFree(conn); return 0; } if (!(reply->type == REDIS_REPLY_STATUS && strcasecmp(reply->str, "OK") == 0)) { printf("Failed to execute command[%s].\n", readDB); freeReplyObject(reply); redisFree(conn); return 0; } freeReplyObject(reply); char cmd[50] = {0}; sprintf(cmd, "LRANGE %s 0 -1", readKey); reply = (redisReply*)redisCommand(conn, cmd); if (reply->type != REDIS_REPLY_ARRAY) { printf("Failed to execute command[%s].\n",cmd); freeReplyObject(reply); redisFree(conn); return 0; } //string str; struct tempChar *tChar, *tCharBuf; tChar = (struct tempChar*)malloc(sizeof(struct tempChar)*logCount); memset(tChar, 0, sizeof(struct tempChar)*logCount); tCharBuf = tChar; for (j = 0; j < reply->elements; ++j) { redisReply* childReply = reply->element[j]; if (childReply->type == REDIS_REPLY_STRING) { char *x = childReply->str; //拼接原始数据，压缩后导出 strcat(tCharBuf[j].str, x); strcat(tCharBuf[j].str, "\r"); int commasIndex = 0, commaeIndex = 0; int col = 0; strcat(x, "^"); for (n = 0; x[n] != '\0'; ++n) { if ('^' == x[n] || '\r' == x[n]) { commaeIndex = n; if (col == 0) strcpy(logP[DataCount].ev, subStr(x, commasIndex, commaeIndex)); if (col == 1) strcpy(logP[DataCount].cy, subStr(x, commasIndex, commaeIndex)); if (col == 2) logP[DataCount].v = atof(subStr(x, commasIndex, commaeIndex)); if (col == 3) strcpy(logP[DataCount].tp, subStr(x, commasIndex, commaeIndex)); if (col == 4) strcpy(logP[DataCount].ids, subStr(x, commasIndex, commaeIndex)); if (col == 5) logP[DataCount].cnt = atof(subStr(x, commasIndex, commaeIndex)); if (col == 6) strcpy(logP[DataCount].cg, subStr(x, commasIndex, commaeIndex)); if (col == 7) logP[DataCount].dt_fs = atof(subStr(x, commasIndex, commaeIndex)); if (col == 8) strcpy(logP[DataCount].wid, subStr(x, commasIndex, commaeIndex)); if (col == 9) strcpy(logP[DataCount].lp, subStr(x, commasIndex, commaeIndex)); if (col == 10) strcpy(logP[DataCount].ref, subStr(x, commasIndex, commaeIndex)); if (col == 11) logP[DataCount].sw = atoi(subStr(x, commasIndex, commaeIndex)); if (col == 12) logP[DataCount].sh = atoi(subStr(x, commasIndex, commaeIndex)); if (col == 13) strcpy(logP[DataCount].aid, subStr(x, commasIndex, commaeIndex)); if (col == 14) strcpy(logP[DataCount].agent, subStr(x, commasIndex, commaeIndex)); if (col == 15) strcpy(logP[DataCount].ga, subStr(x, commasIndex, commaeIndex)); if (col == 16) strcpy(logP[DataCount].sid, subStr(x, commasIndex, commaeIndex)); if (col == 17) strcpy(logP[DataCount].lid, subStr(x, commasIndex, commaeIndex)); if (col == 18) strcpy(logP[DataCount].gid, subStr(x, commasIndex, commaeIndex)); if (col == 19) strcpy(logP[DataCount].uid, subStr(x, commasIndex, commaeIndex)); if (col == 20) strcpy(logP[DataCount].gsid, subStr(x, commasIndex, commaeIndex)); if (col == 21) strcpy(logP[DataCount].ip, subStr(x, commasIndex, commaeIndex)); if (col == 22) logP[DataCount].dt = atof(subStr(x, commasIndex, commaeIndex)); commasIndex = n + 1; col++; } } if (strlen(logP[DataCount].aid)>0) DataCount++; col = 0; commasIndex = 0; commaeIndex = 0; } } freeReplyObject(reply); //转换 char *src, *dst; src = (char*)malloc(singleLen * logCount); memset(src, 0, singleLen * logCount); charAppendToStr(tCharBuf, logCount, src); *(src - 1) = '\0'; //压缩 char fileName[100] = {0}; sprintf(fileName, "%s/%s", filePath, readKey); FILE *ofile = fopen(fileName, "wb"); qlz_state_compress *state_compress = (qlz_state_compress *)malloc(sizeof(qlz_state_compress)); int len, len2; len = strlen(src); dst = (char*)malloc(len + 400); //写压缩结果 len2 = qlz_compress(src, dst, len, state_compress); fwrite(dst, len2, 1, ofile); fclose(ofile); printf("len2=%d,compress success!",len2); reply = (redisReply*)redisCommand(conn, writeDB); if (!(reply->type == REDIS_REPLY_STATUS && strcasecmp(reply->str, "OK") == 0)) { printf("Failed to execute command[%s].\n", writeDB); freeReplyObject(reply); redisFree(conn); return 0; } freeReplyObject(reply); reply = (redisReply*)redisCommand(conn, "RPUSH toBeUpload_compress %s", readKey); if (!(reply->type == REDIS_REPLY_INTEGER)) { printf("Failed to execute command[%s].\n", "RPUSH toBeUpload_compress"); freeReplyObject(reply); redisFree(conn); return 0; } freeReplyObject(reply); ////删除当前key的数据 //reply = (redisReply*)redisCommand(conn, "del %s", readKey); //freeReplyObject(reply); if(src!=NULL){ free(src); src=NULL; } if(dst!=NULL){ free(dst); dst=NULL; } if(tChar!=NULL){ free(tChar); tChar=NULL; } redisFree(conn); return DataCount; }

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