Fix gcc string truncation warnings

This commit is contained in:
Dominique Martinet 2018-04-13 22:35:23 +09:00
parent 54ae394754
commit 25af959fe9
4 changed files with 4 additions and 4 deletions

View file

@ -48,7 +48,7 @@ int ipc_open_socket(const char *socket_path) {
sway_abort("Unable to open Unix socket");
}
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path));
strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path) - 1);
addr.sun_path[sizeof(addr.sun_path) - 1] = 0;
int l = sizeof(struct sockaddr_un);
if (connect(socketfd, (struct sockaddr *)&addr, l) == -1) {

View file

@ -601,7 +601,7 @@ struct cmd_results *add_color(const char *name,
"Invalid color definition %s", color);
}
}
strncpy(buffer, color, len);
strcpy(buffer, color);
// add default alpha channel if color was defined without it
if (len == 7) {
buffer[7] = 'f';

View file

@ -32,7 +32,7 @@ struct cmd_results *cmd_exec_always(int argc, char **argv) {
// Put argument into cmd array
char cmd[4096];
strncpy(cmd, tmp, sizeof(cmd));
strncpy(cmd, tmp, sizeof(cmd) - 1);
cmd[sizeof(cmd) - 1] = 0;
free(tmp);
wlr_log(L_DEBUG, "Executing %s", cmd);

View file

@ -64,7 +64,7 @@ void ipc_init(struct sway_server *server) {
// We want to use socket name set by user, not existing socket from another sway instance.
if (getenv("SWAYSOCK") != NULL && access(getenv("SWAYSOCK"), F_OK) == -1) {
strncpy(ipc_sockaddr->sun_path, getenv("SWAYSOCK"), sizeof(ipc_sockaddr->sun_path));
strncpy(ipc_sockaddr->sun_path, getenv("SWAYSOCK"), sizeof(ipc_sockaddr->sun_path) - 1);
ipc_sockaddr->sun_path[sizeof(ipc_sockaddr->sun_path) - 1] = 0;
}