Initial revision - open and close a socket.

trunk/Makefile

@@ -0,0 +1,12 @@
+CFLAGS = -pipe -ansi -pedantic -g \
+-Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes \
+-Wpointer-arith -Winline -Wcast-qual -W \
+-Wbad-function-cast -Wcast-align -Wchar-subscripts -Wshadow \
+-Wwrite-strings -Wmissing-prototypes
+
+all:
+	gcc -o out $(CFLAGS) darkhttpd.c
+
+splint:
+	splint -skipposixheaders +posixlib +stats darkhttpd.c
+

trunk/darkhttpd.c

@@ -0,0 +1,66 @@
+/*
+ * darkhttpd
+ * copyright (c) 2003 Emil Mikulic.
+ * $Id$
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <err.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+
+/*
+ * Defaults - these can be overridden by various command-line arguments.
+ * Run `darkhttpd --help' for help.
+ */
+#define DEFAULT_PORT        80
+#define DEFAULT_BINDADDR    INADDR_ANY
+#define DEFAULT_MAXCONN     -1 /* kern.ipc.somaxconn */
+
+/*@unused@*/
+static const char server_version[] = "darkhttpd/0.1";
+
+
+
+static int sockin;
+
+/*int main(int argc, char *argv[])*/
+int main()
+{
+    struct sockaddr_in addrin;
+    int sockopt;
+
+    /* create incoming socket */
+    sockin = socket(PF_INET, SOCK_STREAM, 0);
+    if (sockin == -1) err(1, "socket()");
+
+    /* reuse address */
+    sockopt = 1;
+    if (setsockopt(sockin, SOL_SOCKET, SO_REUSEADDR,
+            &sockopt, sizeof(sockopt)) == -1)
+        err(1, "setsockopt(SO_REUSEADDR)");
+
+    /* bind socket */
+    addrin.sin_family = (u_char)PF_INET;
+    addrin.sin_port = htons(DEFAULT_PORT);
+    addrin.sin_addr.s_addr = DEFAULT_BINDADDR;
+    memset(&(addrin.sin_zero), 0, 8);
+    if (bind(sockin, (struct sockaddr *)&addrin,
+            sizeof(struct sockaddr)) == -1)
+        err(1, "bind()");
+
+    /* listen on socket */
+    if (listen(sockin, DEFAULT_MAXCONN) == -1)
+        err(1, "listen()");
+
+    /* --- do stuff here --- */
+
+    (void) close(sockin);
+    return 0;
+}
+
+/* vim:set tabstop=4 shiftwidth=4 expandtab tw=78: */