fakesmtp: (portability) fix run on alpine

diff --git a/tests/fakesmtpd.c b/tests/fakesmtpd.c
index 90ec0d91a34dcf9ce69dd846a4a8d4707c3006ca..8d9b9f7741d4c7ce2423fab3e2600b7b0fff089a 100644 (file)
--- a/tests/fakesmtpd.c
+++ b/tests/fakesmtpd.c
@@ -52,7 +52,7 @@ main(void)
 {
        int s, c;
        FILE *f;
-       socklen_t clsize = 0;
+       socklen_t clsize = sizeof(struct sockaddr_in);
        struct sockaddr_in me = { 0 }, cl;
        char *line = NULL;
        size_t linecap = 0;
@@ -60,21 +60,24 @@ main(void)
 
        s = socket(AF_INET, SOCK_STREAM, 0);
        if (s < 0)
-               exit(1);
-       if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &(int) { 1 }, sizeof(int)) != 0)
-               exit(2);
+               err(EXIT_FAILURE, "socket");
+       int opt = 1;
+       if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) != 0)
+               err(EXIT_FAILURE, "setsockopt");
        me.sin_family = AF_INET;
        me.sin_addr.s_addr = inet_addr("127.0.0.1");
        /* specific interface */
        me.sin_port = htons(25678);
        if (bind(s, (struct sockaddr *) &me, sizeof(me)) == -1)
-               exit(EXIT_FAILURE);
+               err(EXIT_FAILURE, "bin");
        if (listen(s, 1) == -1)
-               exit(EXIT_FAILURE);
+               err(EXIT_FAILURE, "listen");
 
        if (daemon(1, 0) != 0)
                err(EXIT_FAILURE, "daemon");
        f = fopen("fakesmtp.pid", "w+");
+       if (f == NULL)
+               err(EXIT_FAILURE, "fopen");
        fprintf(f, "%d\n", getpid());
        fclose(f);
        for (;;) {
@@ -82,7 +85,7 @@ main(void)
                FILE *fp, *fp2;
                c = accept(s, (struct sockaddr *) &cl, &clsize);
                if (c == -1)
-                       exit(EXIT_FAILURE);
+                       err(EXIT_FAILURE, "accept");
 
                mailnum++;
                asprintf(&mail, "mail-%d.txt", mailnum);