X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fsys-file-writer.c;h=5003ca2b89bf1d1b4a4fbf3b98efdec02040f8b1;hb=6372cdc8bcb61ba5ba25f9329614e5e4e7e06b48;hp=fe96d3cbba86be2212ac81b93788e892a0e3fd4a;hpb=261869b71aa60b8974c4a6b98e35b74af5d11de5;p=pspp

diff --git a/src/data/sys-file-writer.c b/src/data/sys-file-writer.c
index fe96d3cbba..5003ca2b89 100644
--- a/src/data/sys-file-writer.c
+++ b/src/data/sys-file-writer.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 1997-9, 2000, 2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 1997-2000, 2006-2012 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
@@ -74,6 +74,7 @@ struct sfm_writer
 
     bool compress;		/* 1=compressed, 0=not compressed. */
     casenumber case_cnt;	/* Number of cases written so far. */
+    uint8_t space;              /* ' ' in the file's character encoding. */
 
     /* Compression buffering.
 
@@ -176,6 +177,7 @@ struct casewriter *
 sfm_open_writer (struct file_handle *fh, struct dictionary *d,
                  struct sfm_write_options opts)
 {
+  struct encoding_info encoding_info;
   struct sfm_writer *w;
   mode_t mode;
   int i;
@@ -227,6 +229,9 @@ sfm_open_writer (struct file_handle *fh, struct dictionary *d,
       goto error;
     }
 
+  get_encoding_info (&encoding_info, dict_get_encoding (d));
+  w->space = encoding_info.space[0];
+
   /* Write the file header. */
   write_header (w, d);
 
@@ -311,6 +316,7 @@ calc_oct_idx (const struct dictionary *d, struct variable *target_var)
 static void
 write_header (struct sfm_writer *w, const struct dictionary *d)
 {
+  const char *dict_encoding = dict_get_encoding (d);
   char prod_name[61];
   char creation_date[10];
   char creation_time[9];
@@ -320,7 +326,10 @@ write_header (struct sfm_writer *w, const struct dictionary *d)
   time_t t;
 
   /* Record-type code. */
-  write_string (w, "$FL2", 4);
+  if (is_encoding_ebcdic_compatible (dict_encoding))
+    write_string (w, EBCDIC_MAGIC, 4);
+  else
+    write_string (w, ASCII_MAGIC, 4);
 
   /* Product identification. */
   snprintf (prod_name, sizeof prod_name, "@(#) SPSS DATA FILE %s - %s",
@@ -708,6 +717,12 @@ write_mrsets (struct sfm_writer *w, const struct dictionary *dict,
   size_t n_mrsets;
   size_t i;
 
+  if (is_encoding_ebcdic_compatible (encoding))
+    {
+      /* FIXME. */
+      return;
+    }
+
   n_mrsets = dict_get_n_mrsets (dict);
   if (n_mrsets == 0)
     return;
@@ -952,6 +967,7 @@ static void
 write_integer_info_record (struct sfm_writer *w,
                            const struct dictionary *d)
 {
+  const char *dict_encoding = dict_get_encoding (d);
   int version_component[3];
   int float_format;
   int codepage;
@@ -973,13 +989,21 @@ write_integer_info_record (struct sfm_writer *w,
     abort ();
 
   /* Choose codepage. */
-  codepage = sys_get_codepage_from_encoding (dict_get_encoding (d));
+  codepage = sys_get_codepage_from_encoding (dict_encoding);
   if (codepage == 0)
     {
-      /* Default to "7-bit ASCII" if the codepage number is unknown, because
+      /* The codepage is unknown.  Choose a default.
+
+         For an EBCDIC-compatible encoding, use the value for EBCDIC.
+
+         For an ASCII-compatible encoding, default to "7-bit ASCII", because
          many files use this codepage number regardless of their actual
-         encoding. */
-      codepage = 2;
+         encoding.
+      */
+      if (is_encoding_ascii_compatible (dict_encoding))
+        codepage = 2;
+      else if (is_encoding_ebcdic_compatible (dict_encoding))
+        codepage = 1;
     }
 
   /* Write record. */
@@ -1238,7 +1262,7 @@ put_cmp_string (struct sfm_writer *w, const void *data, size_t size)
   assert (w->data_cnt < 8);
   assert (size <= 8);
 
-  memset (w->data[w->data_cnt], ' ', 8);
+  memset (w->data[w->data_cnt], w->space, 8);
   memcpy (w->data[w->data_cnt], data, size);
   w->data_cnt++;
 }
@@ -1300,7 +1324,7 @@ write_string (struct sfm_writer *w, const char *string, size_t width)
   size_t pad_bytes = width - data_bytes;
   write_bytes (w, string, data_bytes);
   while (pad_bytes-- > 0)
-    putc (' ', w->file);
+    putc (w->space, w->file);
 }
 
 /* Recodes null-terminated UTF-8 encoded STRING into ENCODING, and writes the
@@ -1361,5 +1385,5 @@ static void
 write_spaces (struct sfm_writer *w, size_t n)
 {
   while (n-- > 0)
-    putc (' ', w->file);
+    putc (w->space, w->file);
 }