Fix server not to create a journal on SIGHUP when !keep_journal:

(journal_reopen): New.
(main): Use it.  Fixes failure to obey !keep_journal.
(journal_open): Internal linkage, changed semantics and return value.
Callers changed.
(journal_close): One caller left, inline and remove.

include/journal.h

@@ -34,15 +34,12 @@
 #ifndef JOURNAL_H
 #define JOURNAL_H
 
-int journal_open(void);
-int journal_close(void);
-void journal_entry(char *fmt, ...);
-
 int journal_startup(void);
 void journal_shutdown(void);
+int journal_reopen(void);
 void journal_login(void);
 void journal_logout(void);
-void journal_input(char *input);
+void journal_input(char *);
 void journal_update(int);
 
 #endif

src/lib/common/journal.c

@@ -63,22 +63,13 @@
 static char journal_fname[] = "journal.log";
 static FILE *journal;
 
-int
+static FILE *
 journal_open(void)
 {
-    journal = fopen(journal_fname, "a+");
-    return journal ? 0 : -1;
+    return fopen(journal_fname, "a+");
 }
 
-int
-journal_close(void)
-{
-    FILE *j = journal;
-    journal = NULL;
-    return j ? fclose(j) : 0;
-}
-
-void
+static void
 journal_entry(char *fmt, ...)
 {
     static char buf[1024];
@@ -109,7 +100,8 @@ journal_startup(void)
 {
     if (!keep_journal)
 	return 0;
-    if (journal_open() < 0) {
+    journal = journal_open();
+    if (!journal) {
 	logerror("Can't open %s (%s)", journal_fname, strerror(errno));
 	return -1;
     }
@@ -121,7 +113,28 @@ void
 journal_shutdown(void)
 {
     journal_entry("shutdown");
-    journal_close();
+    if (journal) {
+	fclose(journal);
+	journal = NULL;
+    }
+}
+
+int
+journal_reopen(void)
+{
+    FILE *j;
+
+    if (!keep_journal)
+	return 0;
+    j = journal_open();
+    if (!j) {
+	logerror("Can't open %s (%s)", journal_fname, strerror(errno));
+	return -1;
+    }
+    if (journal)
+	fclose(journal);
+    journal = j;
+    return 0;
 }
 
 void

src/server/main.c

@@ -267,8 +267,7 @@ main(int argc, char **argv)
 	sig = empth_wait_for_signal();
 #ifdef SIGHUP
 	if (sig == SIGHUP) {
-	    journal_close();
-	    journal_open();
+	    journal_reopen();
 	    continue;
 	}
 #endif