diff -ur a/atd.c b/atd.c
--- a/atd.c	2024-11-06 12:48:35.368394905 +0100
+++ b/atd.c	2024-11-06 12:50:09.301052284 +0100
@@ -295,7 +295,7 @@
     int fd_out, fd_in, fd_std;
     char jobbuf[9];
     char *mailname = NULL;
-    int mailsize = 128;
+    size_t mailsize = 128;
     char *newname;
     FILE *stream;
     int send_mail = 0;
@@ -308,7 +308,7 @@
     char queue;
     char fmt[64];
     unsigned long jobno;
-    int rc;
+    long rc;
     char hostbuf[MAXHOSTNAMELEN];
 #ifdef WITH_PAM
     int retcode;
diff -ur a/posixtm.c b/posixtm.c
--- a/posixtm.c	2022-02-05 11:00:57.000000000 +0100
+++ b/posixtm.c	2024-11-06 12:50:28.143186147 +0100
@@ -188,7 +188,7 @@
 bool
 posixtime (time_t *p, const char *s, unsigned int syntax_bits)
 {
-  struct tm tm0;
+  struct tm tm0 = {0};
   struct tm tm1;
   struct tm const *tm;
   time_t t;