reduce 3 warning if compile with -W

diff --git a/archival/tar.c b/archival/tar.c
index e486f7fa3fc9a209eb2f9cfde1d8ed560d7a368e..0d3fb926cf742bfde53415d6ed71011acd30253a 100644 (file)
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -322,6 +322,8 @@ static inline int exclude_file(const llist_t *excluded_files, const char *file)
 
        return 0;
 }
+# else
+#define exclude_file(excluded_files, file) 0
 # endif
 
 static int writeFileToTarball(const char *fileName, struct stat *statbuf,
@@ -449,6 +451,7 @@ static inline int writeTarFile(const int tar_fd, const int verboseFlag,
                        /* Avoid vfork clobbering */
                        (void) &include;
                        (void) &errorFlag;
+                       (void) &zip_exec;
 # endif
 
                gzipPid = vfork();
@@ -463,7 +466,7 @@ static inline int writeTarFile(const int tar_fd, const int verboseFlag,
                        close(gzipStatusPipe[0]);
                        fcntl(gzipStatusPipe[1], F_SETFD, FD_CLOEXEC);  /* close on exec shows sucess */
 
-                       execlp(zip_exec, zip_exec, "-f", 0);
+                       execlp(zip_exec, zip_exec, "-f", NULL);
                        vfork_exec_errno = errno;
 
                        close(gzipStatusPipe[1]);
@@ -479,7 +482,7 @@ static inline int writeTarFile(const int tar_fd, const int verboseFlag,
 
                                if (n == 0 && vfork_exec_errno != 0) {
                                        errno = vfork_exec_errno;
-                                       bb_perror_msg_and_die("Could not exec %s",zip_exec);
+                                       bb_perror_msg_and_die("Could not exec %s", zip_exec);
                                } else if ((n < 0) && (errno == EAGAIN || errno == EINTR))
                                        continue;       /* try it again */
                                break;