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-rw-r--r--src/libmpdclient.c42
1 files changed, 22 insertions, 20 deletions
diff --git a/src/libmpdclient.c b/src/libmpdclient.c
index 8d1670f96..b29ffe746 100644
--- a/src/libmpdclient.c
+++ b/src/libmpdclient.c
@@ -87,7 +87,7 @@ static int winsock_dll_error(mpd_Connection *connection)
if ((WSAStartup(MAKEWORD(2, 2), &wsaData)) != 0 ||
LOBYTE(wsaData.wVersion) != 2 ||
HIBYTE(wsaData.wVersion) != 2 ) {
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"Could not find usable WinSock DLL.");
connection->error = MPD_ERROR_SYSTEM;
return 1;
@@ -141,7 +141,7 @@ static int mpd_connect(mpd_Connection * connection, const char * host, int port,
error = getaddrinfo(host, service, &hints, &addrinfo);
if (error) {
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"host \"%s\" not found: %s",host, gai_strerror(error));
connection->error = MPD_ERROR_UNKHOST;
return -1;
@@ -151,7 +151,7 @@ static int mpd_connect(mpd_Connection * connection, const char * host, int port,
/* create socket */
connection->sock = socket(res->ai_family, SOCK_STREAM, res->ai_protocol);
if (connection->sock < 0) {
- snprintf(connection->errorStr, MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"problems creating socket: %s",
strerror(errno));
connection->error = MPD_ERROR_SYSTEM;
@@ -172,7 +172,7 @@ static int mpd_connect(mpd_Connection * connection, const char * host, int port,
freeaddrinfo(addrinfo);
if (connection->sock < 0) {
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"problems connecting to \"%s\" on port"
" %i: %s",host,port, strerror(errno));
connection->error = MPD_ERROR_CONNPORT;
@@ -192,7 +192,7 @@ static int mpd_connect(mpd_Connection * connection, const char * host, int port,
struct sockaddr_in sin;
if(!(he=gethostbyname(host))) {
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"host \"%s\" not found",host);
connection->error = MPD_ERROR_UNKHOST;
return -1;
@@ -227,7 +227,7 @@ static int mpd_connect(mpd_Connection * connection, const char * host, int port,
/* connect stuff */
if (do_connect_fail(connection, dest, destlen)) {
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"problems connecting to \"%s\" on port"
" %i",host,port);
connection->error = MPD_ERROR_CONNPORT;
@@ -306,7 +306,7 @@ static int mpd_parseWelcome(mpd_Connection * connection, const char * host, int
int i;
if(strncmp(output,MPD_WELCOME_MESSAGE,strlen(MPD_WELCOME_MESSAGE))) {
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"mpd not running on port %i on host \"%s\"",
port,host);
connection->error = MPD_ERROR_NOTMPD;
@@ -319,8 +319,7 @@ static int mpd_parseWelcome(mpd_Connection * connection, const char * host, int
if(tmp) connection->version[i] = strtol(tmp,&test,10);
if (!tmp || (test[0] != '.' && test[0] != '\0')) {
- snprintf(connection->errorStr,
- MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"error parsing version number at "
"\"%s\"",
&output[strlen(MPD_WELCOME_MESSAGE)]);
@@ -369,7 +368,7 @@ static int mpd_connect_un(mpd_Connection * connection,
close(connection->sock);
connection->sock = 0;
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"problems connecting to \"%s\": %s",
host, strerror(errno));
connection->error = MPD_ERROR_CONNPORT;
@@ -389,8 +388,7 @@ mpd_Connection * mpd_newConnection(const char * host, int port, float timeout) {
connection->buflen = 0;
connection->bufstart = 0;
- strcpy(connection->errorStr,"");
- connection->error = 0;
+ mpd_clearError(connection);
connection->doneProcessing = 0;
connection->commandList = 0;
connection->listOks = 0;
@@ -421,7 +419,7 @@ mpd_Connection * mpd_newConnection(const char * host, int port, float timeout) {
&(connection->buffer[connection->buflen]),
MPD_BUFFER_MAX_LENGTH-connection->buflen,0);
if(readed<=0) {
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"problems getting a response from"
" \"%s\" on port %i : %s",host,
port, strerror(errno));
@@ -434,14 +432,14 @@ mpd_Connection * mpd_newConnection(const char * host, int port, float timeout) {
if (SELECT_ERRNO_IGNORE)
continue;
snprintf(connection->errorStr,
- MPD_BUFFER_MAX_LENGTH,
+ sizeof(connection->errorStr),
"problems connecting to \"%s\" on port"
" %i",host,port);
connection->error = MPD_ERROR_CONNPORT;
return connection;
}
else {
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"timeout in attempting to get a response from"
" \"%s\" on port %i",host,port);
connection->error = MPD_ERROR_NORESPONSE;
@@ -500,7 +498,7 @@ static void mpd_executeCommand(mpd_Connection *connection,
if(ret<=0)
{
if (SENDRECV_ERRNO_IGNORE) continue;
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"problems giving command \"%s\"",command);
connection->error = MPD_ERROR_SENDING;
return;
@@ -515,7 +513,7 @@ static void mpd_executeCommand(mpd_Connection *connection,
if(commandLen>0) {
perror("");
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"timeout sending command \"%s\"",command);
connection->error = MPD_ERROR_TIMEOUT;
return;
@@ -631,11 +629,16 @@ static void mpd_getNextReturnElement(mpd_Connection * connection) {
}
if(strncmp(output,"ACK",strlen("ACK"))==0) {
+ size_t length = strlen(output);
char * test;
char * needle;
int val;
- strcpy(connection->errorStr, output);
+ if (length >= sizeof(connection->errorStr))
+ length = sizeof(connection->errorStr) - 1;
+
+ memcpy(connection->errorStr, output, length);
+ connection->errorStr[length] = 0;
connection->error = MPD_ERROR_ACK;
connection->errorCode = MPD_ACK_ERROR_UNK;
connection->errorAt = MPD_ERROR_AT_UNK;
@@ -664,9 +667,8 @@ static void mpd_getNextReturnElement(mpd_Connection * connection) {
connection->returnElement = mpd_newReturnElement(name,&(value[1]));
}
else {
- snprintf(connection->errorStr,MPD_BUFFER_MAX_LENGTH,
+ snprintf(connection->errorStr, sizeof(connection->errorStr),
"error parsing: %s:%s",name,value);
- connection->errorStr[MPD_BUFFER_MAX_LENGTH] = '\0';
connection->error = 1;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 15:22:34 +0000