shared: move unit-specific code from bus-util.h to bus-unit-util.h

[elogind.git] / src / shared / pager.c

diff --git a/src/shared/pager.c b/src/shared/pager.c
index bc2d0372c86983d70b622745af8ed79c174ec469..8d60f8a7a10993614f26eecb8552c1b2ea48ff17 100644 (file)
--- a/src/shared/pager.c
+++ b/src/shared/pager.c
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 /***
   This file is part of systemd.
 
@@ -19,19 +17,26 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <fcntl.h>
+#include <errno.h>
+#include <signal.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
 #include <stdlib.h>
-#include <unistd.h>
 #include <string.h>
 #include <sys/prctl.h>
+#include <unistd.h>
 
+#include "copy.h"
+#include "fd-util.h"
+#include "locale-util.h"
+#include "log.h"
+#include "macro.h"
 #include "pager.h"
-#include "util.h"
 #include "process-util.h"
-#include "macro.h"
-#include "terminal-util.h"
 #include "signal-util.h"
-#include "copy.h"
+#include "string-util.h"
+#include "terminal-util.h"
 
 static pid_t pager_pid = 0;
 
@@ -47,11 +52,14 @@ noreturn static void pager_fallback(void) {
         _exit(EXIT_SUCCESS);
 }
 
-int pager_open(bool jump_to_end) {
+int pager_open(bool no_pager, bool jump_to_end) {
         _cleanup_close_pair_ int fd[2] = { -1, -1 };
         const char *pager;
         pid_t parent_pid;
 
+        if (no_pager)
+                return 0;
+
         if (pager_pid > 0)
                 return 1;
 
@@ -150,8 +158,13 @@ void pager_close(void) {
                 return;
 
         /* Inform pager that we are done */
+#if defined(__GLIBC__)
         stdout = safe_fclose(stdout);
         stderr = safe_fclose(stderr);
+#else
+        (void) safe_fclose(stdout);
+        (void) safe_fclose(stderr);
+#endif // in musl-libc these are const
 
         (void) kill(pager_pid, SIGCONT);
         (void) wait_for_terminate(pager_pid, NULL);
@@ -162,8 +175,7 @@ bool pager_have(void) {
         return pager_pid > 0;
 }
 
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
 int show_man_page(const char *desc, bool null_stdio) {
         const char *args[4] = { "man", NULL, NULL, NULL };
         char *e = NULL;