lib/pager: fix compiler warnings

pager.c: In function ‘start_command’:
pager.c:82:7: warning: unused variable ‘err’ [-Wunused-variable]
pager.c:49:25: warning: unused variable ‘fderr’ [-Wunused-variable]
pager.c:49:15: warning: unused variable ‘fdout’ [-Wunused-variable]
pager.c:48:25: warning: unused variable ‘need_err’ [-Wunused-variable]
pager.c:48:15: warning: unused variable ‘need_out’ [-Wunused-variable]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/lib/pager.c b/lib/pager.c
index 1bc4134cfbd4c666887edf11e1c246fc37ee707e..f02d55d4f51a9b9e11e84db2bb00390dcdf02369 100644 (file)
--- a/lib/pager.c
+++ b/lib/pager.c
@@ -45,8 +45,8 @@ static inline void dup_devnull(int to)
 
 static int start_command(struct child_process *cmd)
 {
-       int need_in, need_out, need_err;
-       int fdin[2], fdout[2], fderr[2];
+       int need_in;
+       int fdin[2];
 
        /*
         * In case of errors we must keep the promise to close FDs
@@ -79,12 +79,10 @@ static int start_command(struct child_process *cmd)
        }
 
        if (cmd->pid < 0) {
-               int err = errno;
                if (need_in)
                        close_pair(fdin);
                else if (cmd->in)
                        close(cmd->in);
-
                return -1;
        }