maxfd as in exam
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18
mini_serv.c
18
mini_serv.c
@@ -35,6 +35,7 @@ int main(int ac, char **av) {
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int id;
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int ret;
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int port;
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int tmp_max;
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int max_fd;
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char buf[BUFSIZE];
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char msg[BUFSIZE];
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@@ -70,12 +71,13 @@ int main(int ac, char **av) {
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FD_ZERO(&fdset);
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FD_SET(server_fd, &fdset);
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max_fd = server_fd;
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tmp_max = server_fd;
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id = 0;
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while(1) {
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rdset = fdset;
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wdset = fdset;
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max_fd = tmp_max;
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select(max_fd + 1, &rdset, &wdset, NULL, NULL);
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@@ -83,7 +85,7 @@ int main(int ac, char **av) {
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client_fd = accept(server_fd, (struct sockaddr *)&addr, &addr_len);
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FD_SET(client_fd, &fdset);
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if (client_fd > max_fd)
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max_fd = client_fd;
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tmp_max = client_fd;
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clients[client_fd].id = id;
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bzero(clients[client_fd].msg, MSGSIZE);
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sprintf(msg, "server: client %d just arrived\n", id);
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@@ -100,12 +102,12 @@ int main(int ac, char **av) {
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broadcast(msg, &wdset, max_fd, client_fd);
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FD_CLR(client_fd, &fdset);
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close(client_fd);
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if (client_fd == max_fd) {
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for(; max_fd > 2; --max_fd) {
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if (FD_ISSET(max_fd, &fdset))
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break;
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}
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}
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//if (client_fd == max_fd) {
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// for(; max_fd > 2; --max_fd) {
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// if (FD_ISSET(max_fd, &fdset))
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// break;
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// }
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//}
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}
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else if (ret > 0) {
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for(int i = 0, j = strlen(clients[client_fd].msg); i < ret; ++i, ++j) {
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