applet_tables: simulate force-renaming on Windows

On Windows, you cannot `rename(source, target)` if `target` exists or if
a file handle to `source` is still open.

This patch is similar in spirit to 02958a6ee (kbuild: simulate
force-renaming on Windows, 2017-02-01).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

1 files changed, 9 insertions, 0 deletions

diff --git a/applets/applet_tables.c b/applets/applet_tables.c
index 7ba929b12..b1dafccd2 100644
--- a/applets/applet_tables.c
+++ b/applets/applet_tables.c
@@ -103,6 +103,9 @@ int main(int argc, char **argv)
         if (i < 0)
                 return 1;
         dup2(i, 1);
+#ifdef __MINGW32__
+        close(i);
+#endif
 
         /* Keep in sync with include/busybox.h! */
 
@@ -236,8 +239,14 @@ int main(int argc, char **argv)
 
         if (fclose(stdout))
                 return 1;
+#ifdef __MINGW32__
+        unlink(argv[1]);
+#endif
         if (rename(tmp1, argv[1]))
                 return 1;
+#ifdef __MINGW32__
+        unlink(argv[2]);
+#endif
         if (rename(tmp2, argv[2]))
                 return 1;
         return 0;