From: Ben Pfaff <blp@gnu.org>
Date: Thu, 16 Oct 2008 03:39:57 +0000 (-0700)
Subject: Do not assume that canonicalize_file_name() always returns non-null.
X-Git-Tag: v0.7.1~6^2~6
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pspp-builds.git;a=commitdiff_plain;h=0d99288ed69fa139ac9fbeccb072dc697c1ed740

Do not assume that canonicalize_file_name() always returns non-null.

Fixes bug #24569.
---

diff --git a/src/language/utilities/include.c b/src/language/utilities/include.c
index d7b10283..f3c87779 100644
--- a/src/language/utilities/include.c
+++ b/src/language/utilities/include.c
@@ -16,7 +16,9 @@
 
 #include <config.h>
 #include <ctype.h>
+#include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 #include <language/command.h>
 #include <libpspp/message.h>
 #include <libpspp/getl.h>
@@ -192,6 +194,13 @@ parse_insert (struct lexer *lexer, char **filename)
     }
 
   *filename = canonicalize_file_name (relative_filename);
+  if (*filename == NULL) 
+    {
+      msg (SE, _("Unable to open `%s': %s."),
+           relative_filename, strerror (errno));
+      free (relative_filename);
+      return CMD_FAILURE;
+    }
   free (relative_filename);
 
   return CMD_SUCCESS;
diff --git a/tests/command/insert.sh b/tests/command/insert.sh
index 354a54f8..d08c7a71 100755
--- a/tests/command/insert.sh
+++ b/tests/command/insert.sh
@@ -250,5 +250,23 @@ EOF
 if [ $? -ne 0 ] ; then fail ; fi
 
 
+# Test for regression against bug #24569 in which PSPP crashed
+# upon attempt to insert a nonexistent file.
+activity="create wrapper 9"
+cat <<EOF > $TESTFILE
+INSERT 
+  FILE='$TEMPDIR/nonexistent'
+  ERROR=CONTINUE.
+  .
+
+LIST.
+
+EOF
+if [ $? -ne 0 ] ; then no_result ; fi
+
+#This command should fail
+activity="run program 7"
+$SUPERVISOR $PSPP --testing-mode -o raw-ascii $TESTFILE > /dev/null
+if [ $? -eq 0 ] ; then no_result ; fi
 
 pass;