Use AC_TYPE_OFF_T/HAVE_OFF_T to check for off_t.

[pspp-builds.git] / src / flip.c

diff --git a/src/flip.c b/src/flip.c
index 7bf59104f7fca2fe5da4abb137c48ffa435e2a8d..7113c8e85b8ea24464dcf67935f6e0101f50d339 100644 (file)
--- a/src/flip.c
+++ b/src/flip.c
@@ -18,14 +18,19 @@
    02111-1307, USA. */
 
 #include <config.h>
-#include <assert.h>
+#include "error.h"
 #include <ctype.h>
 #include <errno.h>
 #include <float.h>
 #include <limits.h>
 #include <stdlib.h>
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
 #include "alloc.h"
+#include "case.h"
 #include "command.h"
+#include "dictionary.h"
 #include "error.h"
 #include "lexer.h"
 #include "misc.h"
@@ -71,6 +76,13 @@ cmd_flip (void)
 {
   struct flip_pgm *flip;
 
+  if (temporary != 0)
+    {
+      msg (SM, _("FLIP ignores TEMPORARY.  "
+                 "Temporary transformations will be made permanent."));
+      cancel_temporary (); 
+    }
+
   flip = xmalloc (sizeof *flip);
   flip->var = NULL;
   flip->var_cnt = 0;
@@ -80,7 +92,6 @@ cmd_flip (void)
   flip->new_names_tail = NULL;
   flip->file = NULL;
 
-  lex_match_id ("FLIP");
   lex_match ('/');
   if (lex_match_id ("VARIABLES"))
     {
@@ -121,7 +132,7 @@ cmd_flip (void)
   temp_trns = temporary = 0;
   vfm_sink = flip_sink_create (flip);
   flip->new_names_tail = NULL;
-  procedure (NULL, NULL, NULL, NULL);
+  procedure (NULL, NULL);
 
   /* Flip the data we read. */
   flip_file (flip);
@@ -278,7 +289,7 @@ flip_sink_create (struct flip_pgm *flip)
 
   flip->case_cnt = 1;
 
-  return create_case_sink (&flip_sink_class, info);
+  return create_case_sink (&flip_sink_class, default_dict, info);
 }
 
 /* Writes case C to the FLIP sink. */
@@ -297,7 +308,7 @@ flip_sink_write (struct case_sink *sink, const struct ccase *c)
       v->next = NULL;
       if (flip->new_names->type == NUMERIC) 
         {
-          double f = c->data[flip->new_names->fv].f;
+          double f = case_num (c, sink->idx_to_fv[flip->new_names->index]);
 
           if (f == SYSMIS)
             strcpy (v->name, "VSYSMIS");
@@ -316,7 +327,8 @@ flip_sink_write (struct case_sink *sink, const struct ccase *c)
       else
        {
          int width = min (flip->new_names->width, 8);
-         memcpy (v->name, c->data[flip->new_names->fv].s, width);
+         memcpy (v->name, case_str (c, sink->idx_to_fv[flip->new_names->index]),
+                  width);
          v->name[width] = 0;
        }
       
@@ -329,10 +341,15 @@ flip_sink_write (struct case_sink *sink, const struct ccase *c)
 
   /* Write to external file. */
   for (i = 0; i < flip->var_cnt; i++)
-    if (flip->var[i]->type == NUMERIC)
-      info->output_buf[i].f = c->data[flip->var[i]->fv].f;
-    else
-      info->output_buf[i].f = SYSMIS;
+    {
+      double out;
+      
+      if (flip->var[i]->type == NUMERIC)
+        out = case_num (c, sink->idx_to_fv[flip->var[i]->index]);
+      else
+        out = SYSMIS;
+      info->output_buf[i].f = out;
+    }
          
   if (fwrite (info->output_buf, sizeof *info->output_buf,
               flip->var_cnt, flip->file) != (size_t) flip->var_cnt)
@@ -351,7 +368,7 @@ flip_file (struct flip_pgm *flip)
 
   /* Allocate memory for many cases. */
   case_bytes = flip->var_cnt * sizeof *input_buf;
-  case_capacity = set_max_workspace / case_bytes;
+  case_capacity = get_max_workspace() / case_bytes;
   if (case_capacity > flip->case_cnt * 2)
     case_capacity = flip->case_cnt * 2;
   if (case_capacity < 2)
@@ -400,9 +417,18 @@ flip_file (struct flip_pgm *flip)
          for (j = 0; j < read_cases; j++)
            output_buf[j] = input_buf[i + j * flip->var_cnt];
 
-         if (fseek (output_file,
-                     sizeof *input_buf * (case_idx + i * flip->case_cnt),
-                     SEEK_SET) != 0)
+#ifndef HAVE_FSEEKO
+#define fseeko fseek
+#endif
+
+#ifndef HAVE_OFF_T
+#define off_t long int
+#endif
+
+         if (fseeko (output_file,
+                      sizeof *input_buf * (case_idx
+                                           + (off_t) i * flip->case_cnt),
+                      SEEK_SET) != 0)
            msg (FE, _("Error seeking FLIP source file: %s."),
                       strerror (errno));
 
@@ -459,11 +485,15 @@ flip_source_read (struct case_source *source,
                   write_case_func *write_case, write_case_data wc_data)
 {
   struct flip_pgm *flip = source->aux;
+  union value *input_buf;
   int i;
 
+  input_buf = xmalloc (sizeof *input_buf * flip->case_cnt);
   for (i = 0; i < flip->var_cnt; i++)
     {
-      if (fread (c->data, sizeof *c->data, flip->case_cnt,
+      size_t j;
+      
+      if (fread (input_buf, sizeof *input_buf, flip->case_cnt,
                  flip->file) != flip->case_cnt) 
         {
           if (ferror (flip->file))
@@ -476,9 +506,12 @@ flip_source_read (struct case_source *source,
           break;
         }
 
+      for (j = 0; j < flip->case_cnt; j++)
+        case_data_rw (c, j)->f = input_buf[j].f;
       if (!write_case (wc_data))
         break;
     }
+  free (input_buf);
 }
 
 /* Destroy internal data in SOURCE. */