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-rw-r--r--src/lib/hostpid.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/lib/hostpid.h b/src/lib/hostpid.h
new file mode 100644
index 0000000..0581e78
--- /dev/null
+++ b/src/lib/hostpid.h
@@ -0,0 +1,21 @@
+#ifndef HOSTPID_H
+#define HOSTPID_H
+
+/* These environments override the hostname/hostdomain if they're set.
+ Master process normally sets these to child processes. */
+#define MY_HOSTNAME_ENV "DOVECOT_HOSTNAME"
+#define MY_HOSTDOMAIN_ENV "DOVECOT_HOSTDOMAIN"
+
+extern const char *my_hostname;
+extern const char *my_pid;
+
+/* Initializes my_hostname and my_pid. */
+void hostpid_init(void);
+void hostpid_deinit(void);
+
+/* Returns the current host+domain, or if it fails fallback to returning
+ hostname. */
+const char *my_hostdomain(void);
+
+#endif
+