[patch, libgfortran, committed] PR89020

[Jerry DeLisle]

Committed as simple and obvious. (With a ChangeLog Bobble fixed)

Regression tested on x86_64.

Committed r268301
        M       libgfortran/ChangeLog
        M       libgfortran/io/close.c

Regards,

Jerry

2019-01-26  Jerry DeLisle  <jvdeli...@gcc.gnu.org>

        PR libfortran/89020
        * io/close.c (st_close): Generate error if calls to 'remove'
          return an error.


diff --git a/libgfortran/io/close.c b/libgfortran/io/close.c
index cbcbf4e71a1..2b35e49c9cc 100644
--- a/libgfortran/io/close.c
+++ b/libgfortran/io/close.c
@@ -99,7 +99,11 @@ st_close (st_parameter_close *clp)
              else
                {
 #if HAVE_UNLINK_OPEN_FILE
-                 remove (u->filename);
+
+                 if (remove (u->filename))
+                   generate_error (&clp->common, LIBERROR_OS,
+                           "File cannot be deleted, possibly in use by"
+                           " another process");
 #else
                  path = strdup (u->filename);
 #endif
@@ -112,7 +116,10 @@ st_close (st_parameter_close *clp)
 #if !HAVE_UNLINK_OPEN_FILE
       if (path != NULL)
        {
-         remove (path);
+         if (remove (u->filename))
+           generate_error (&clp->common, LIBERROR_OS,
+                   "File cannot be deleted, possibly in use by"
+                   " another process");
          free (path);
        }
 #endif