Fix last commit

server.c

@@ -0,0 +1,64 @@
+#include "server.h"
+
+#include "util.h"
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+struct _Server {
+    int socket;
+};
+
+Server* make_server(const char* text_addr, uint32_t port)
+{
+    struct sockaddr_in addr = {
+        .sin_family = AF_INET,
+        .sin_port = htons(port),
+    };
+    if (inet_pton(AF_INET, text_addr, &addr.sin_addr) != 1) {
+        log_error("bad IPv4 address: \"%s\"", text_addr);
+        return NULL;
+    }
+    Server* server = malloc_safe(sizeof(Server));
+    server->socket = socket(AF_INET, SOCK_STREAM, 0);
+    if (server->socket < 0) {
+        log_errno("socket");
+        free(server);
+        return NULL;
+    }
+    int on = 1;
+    if (setsockopt(server->socket, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on))
+        < 0) {
+        log_errno("setsockopt SO_REUSEADDR");
+        close(server->socket);
+        free(server);
+        return NULL;
+    }
+    if (bind(server->socket, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
+        log_errno("bind");
+        close(server->socket);
+        free(server);
+        return NULL;
+    }
+    if (listen(server->socket, SERVER_BACKLOG) < 0) {
+        log_errno("listen");
+        close(server->socket);
+        free(server);
+        return NULL;
+    }
+    return server;
+}
+
+void destroy_server(Server* server)
+{
+    close(server->socket);
+    free(server);
+}
+
+int server_accept(Server* server)
+{
+    return accept(server->socket, NULL, NULL);
+}