X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fsys-file-reader.c;h=fe7b53342128087687d39e74d46721b1cb5917ed;hb=9691c54c1a51792e21c10bbee7a66f5934b96349;hp=d5b5b15f6ff2bbf1ae4c40e859620e7a16b3fa96;hpb=ddf23d2592604dd676358f30b57cc3a28df18e56;p=pspp-builds.git

diff --git a/src/data/sys-file-reader.c b/src/data/sys-file-reader.c
index d5b5b15f..fe7b5334 100644
--- a/src/data/sys-file-reader.c
+++ b/src/data/sys-file-reader.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 1997-9, 2000, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 1997-9, 2000, 2006, 2007, 2009 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -425,9 +425,21 @@ read_header (struct sfm_reader *r, struct dictionary *dict,
   read_bytes (r, raw_bias, sizeof raw_bias);
   if (float_identify (100.0, raw_bias, sizeof raw_bias, &r->float_format) == 0)
     {
-      sys_warn (r, _("Compression bias is not the usual "
-                     "value of 100, or system file uses unrecognized "
-                     "floating-point format."));
+      uint8_t zero_bias[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+
+      if (memcmp (raw_bias, zero_bias, 8))
+        sys_warn (r, _("Compression bias is not the usual "
+                       "value of 100, or system file uses unrecognized "
+                       "floating-point format."));
+      else
+        {
+          /* Some software is known to write all-zeros to this
+             field.  Such software also writes floating-point
+             numbers in the format that we expect by default
+             (it seems that all software most likely does, in
+             reality), so don't warn in this case. */
+        }
+
       if (r->integer_format == INTEGER_MSB_FIRST)
         r->float_format = FLOAT_IEEE_DOUBLE_BE;
       else
@@ -728,7 +740,11 @@ read_extension_record (struct sfm_reader *r, struct dictionary *dict,
       break;
 
     case 7:
-      /* Unknown purpose. */
+      /* Used by the MRSETS command. */
+      break;
+
+    case 8:
+      /* Used by the SPSS Data Entry software. */
       break;
 
     case 11:
@@ -765,7 +781,8 @@ read_extension_record (struct sfm_reader *r, struct dictionary *dict,
       break;
 
     default:
-      sys_warn (r, _("Unrecognized record type 7, subtype %d."), subtype);
+      sys_warn (r, _("Unrecognized record type 7, subtype %d.  Please send a copy of this file, and the syntax which created it to %s"),
+		subtype, PACKAGE_BUGREPORT);
       break;
     }