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Merge pull request #2230 from taosdata/hotfix/snprintf 

use snprintf whenever possible
This commit is contained in:
Shengliang Guan 2020-06-11 09:21:13 +08:00 committed by GitHub
parent 068cf10863 d644273fa7
commit e6985f8e44
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 15 deletions
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10
src/rpc/src/rpcMain.c
View File

@ -425,6 +425,8 @@ void rpcSendResponse(const SRpcMsg *pRsp) {
taosTmrReset(rpcProcessIdleTimer, pRpc->idleTime, pConn, pRpc->tmrCtrl, &pConn->pIdleTimer);
rpcSendMsgToPeer(pConn, msg, msgLen);
pConn->secured = 1; // connection shall be secured
pConn->pReqMsg = NULL;
pConn->reqMsgLen = 0;
rpcUnlockConn(pConn);
rpcDecRef(pRpc); // decrease the referene count
@ -542,7 +544,7 @@ static void rpcCloseConn(void *thandle) {
if ( pRpc->connType == TAOS_CONN_SERVER) {
char hashstr[40] = {0};
size_t size = sprintf(hashstr, "%x:%x:%x:%d", pConn->peerIp, pConn->linkUid, pConn->peerId, pConn->connType);
size_t size = snprintf(hashstr, sizeof(hashstr), "%x:%x:%x:%d", pConn->peerIp, pConn->linkUid, pConn->peerId, pConn->connType);
taosHashRemove(pRpc->hash, hashstr, size);
rpcFreeMsg(pConn->pRspMsg); // it may have a response msg saved, but not request msg
@ -592,7 +594,7 @@ static SRpcConn *rpcAllocateServerConn(SRpcInfo *pRpc, SRecvInfo *pRecv) {
char hashstr[40] = {0};
SRpcHead *pHead = (SRpcHead *)pRecv->msg;
size_t size = sprintf(hashstr, "%x:%x:%x:%d", pRecv->ip, pHead->linkUid, pHead->sourceId, pRecv->connType);
size_t size = snprintf(hashstr, sizeof(hashstr), "%x:%x:%x:%d", pRecv->ip, pHead->linkUid, pHead->sourceId, pRecv->connType);
// check if it is already allocated
SRpcConn **ppConn = (SRpcConn **)(taosHashGet(pRpc->hash, hashstr, size));
@ -682,7 +684,7 @@ static SRpcConn *rpcSetupConnToServer(SRpcReqContext *pContext) {
if (pConn) {
pConn->tretry = 0;
pConn->ahandle = pContext->ahandle;
sprintf(pConn->info, "%s %p %p", pRpc->label, pConn, pConn->ahandle);
snprintf(pConn->info, sizeof(pConn->info), "%s %p %p", pRpc->label, pConn, pConn->ahandle);
pConn->tretry = 0;
} else {
tError("%s %p, failed to set up connection(%s)", pRpc->label, pContext->ahandle, tstrerror(terrno));
@ -811,7 +813,7 @@ static SRpcConn *rpcProcessMsgHead(SRpcInfo *pRpc, SRecvInfo *pRecv) {
if (rpcIsReq(pHead->msgType)) {
pConn->ahandle = (void *)pHead->ahandle;
sprintf(pConn->info, "%s %p %p", pRpc->label, pConn, pConn->ahandle);
snprintf(pConn->info, sizeof(pConn->info), "%s %p %p", pRpc->label, pConn, pConn->ahandle);
}
sid = pConn->sid;

22
src/wal/src/walMain.c
View File

@ -44,7 +44,7 @@ typedef struct {
uint32_t id; // increase continuously
int num; // number of wal files
char path[TSDB_FILENAME_LEN];
char name[TSDB_FILENAME_LEN];
char name[TSDB_FILENAME_LEN+16];
pthread_mutex_t mutex;
} SWal;
@ -108,7 +108,7 @@ void walClose(void *handle) {
if (pWal->keep == 0) {
// remove all files in the directory
for (int i=0; i<pWal->num; ++i) {
sprintf(pWal->name, "%s/%s%d", pWal->path, walPrefix, pWal->id-i);
snprintf(pWal->name, sizeof(pWal->name), "%s/%s%d", pWal->path, walPrefix, pWal->id-i);
if (remove(pWal->name) <0) {
wError("wal:%s, failed to remove", pWal->name);
} else {
@ -140,7 +140,7 @@ int walRenew(void *handle) {
pWal->num++;
sprintf(pWal->name, "%s/%s%d", pWal->path, walPrefix, pWal->id);
snprintf(pWal->name, sizeof(pWal->name), "%s/%s%d", pWal->path, walPrefix, pWal->id);
pWal->fd = open(pWal->name, O_WRONLY | O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO);
if (pWal->fd < 0) {
@ -152,7 +152,7 @@ int walRenew(void *handle) {
if (pWal->num > pWal->max) {
// remove the oldest wal file
char name[TSDB_FILENAME_LEN * 3];
sprintf(name, "%s/%s%d", pWal->path, walPrefix, pWal->id - pWal->max);
snprintf(name, sizeof(name), "%s/%s%d", pWal->path, walPrefix, pWal->id - pWal->max);
if (remove(name) <0) {
wError("wal:%s, failed to remove(%s)", name, strerror(errno));
} else {
@ -214,7 +214,7 @@ int walRestore(void *handle, void *pVnode, int (*writeFp)(void *, void *, int))
int plen = strlen(walPrefix);
char opath[TSDB_FILENAME_LEN+5];
int slen = sprintf(opath, "%s", pWal->path);
int slen = snprintf(opath, sizeof(opath), "%s", pWal->path);
if ( pWal->keep == 0)
strcpy(opath+slen, "/old");
@ -245,7 +245,7 @@ int walRestore(void *handle, void *pVnode, int (*writeFp)(void *, void *, int))
wTrace("wal:%s, %d files will be restored", opath, count);
for (index = minId; index<=maxId; ++index) {
sprintf(pWal->name, "%s/%s%d", opath, walPrefix, index);
snprintf(pWal->name, sizeof(pWal->name), "%s/%s%d", opath, walPrefix, index);
terrno = walRestoreWalFile(pWal, pVnode, writeFp);
if (terrno < 0) break;
}
@ -264,7 +264,7 @@ int walRestore(void *handle, void *pVnode, int (*writeFp)(void *, void *, int))
// open the existing WAL file in append mode
pWal->num = count;
pWal->id = maxId;
sprintf(pWal->name, "%s/%s%d", opath, walPrefix, maxId);
snprintf(pWal->name, sizeof(pWal->name), "%s/%s%d", opath, walPrefix, maxId);
pWal->fd = open(pWal->name, O_WRONLY | O_CREAT | O_APPEND, S_IRWXU | S_IRWXG | S_IRWXO);
if (pWal->fd < 0) {
wError("wal:%s, failed to open file(%s)", pWal->name, strerror(errno));
@ -361,7 +361,7 @@ int walHandleExistingFiles(const char *path) {
char nname[TSDB_FILENAME_LEN * 3];
char opath[TSDB_FILENAME_LEN];
sprintf(opath, "%s/old", path);
snprintf(opath, sizeof(opath), "%s/old", path);
struct dirent *ent;
DIR *dir = opendir(path);
@ -377,8 +377,8 @@ int walHandleExistingFiles(const char *path) {
int count = 0;
while ((ent = readdir(dir))!= NULL) {
if ( strncmp(ent->d_name, walPrefix, plen) == 0) {
sprintf(oname, "%s/%s", path, ent->d_name);
sprintf(nname, "%s/old/%s", path, ent->d_name);
snprintf(oname, sizeof(oname), "%s/%s", path, ent->d_name);
snprintf(nname, sizeof(nname), "%s/old/%s", path, ent->d_name);
if (access(opath, F_OK) != 0) {
if (mkdir(opath, 0755) != 0) {
wError("wal:%s, failed to create directory:%s(%s)", oname, opath, strerror(errno));
@ -416,7 +416,7 @@ static int walRemoveWalFiles(const char *path) {
while ((ent = readdir(dir))!= NULL) {
if ( strncmp(ent->d_name, walPrefix, plen) == 0) {
sprintf(name, "%s/%s", path, ent->d_name);
snprintf(name, sizeof(name), "%s/%s", path, ent->d_name);
if (remove(name) <0) {
wError("wal:%s, failed to remove(%s)", name, strerror(errno));
terrno = TAOS_SYSTEM_ERROR(errno);