comparison saitools/inout.c @ 0:5242703e91d3 tip

Initial checkin for AIM92 aimR8.2 (last updated May 1997).

+/*
+    Copyright (c) Applied Psychology Unit, Medical Research Council. 1993
+    ===========================================================================
+
+    Permission to use, copy, modify, and distribute this software without fee 
+    is hereby granted for research purposes, provided that this copyright 
+    notice appears in all copies and in all supporting documentation, and that 
+    the software is not redistributed for any fee (except for a nominal 
+    shipping charge). Anyone wanting to incorporate all or part of this 
+    software in a commercial product must obtain a license from the Medical 
+    Research Council.
+
+    The MRC makes no representations about the suitability of this 
+    software for any purpose.  It is provided "as is" without express or 
+    implied warranty.
+ 
+    THE MRC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 
+    ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 
+    THE A.P.U. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES 
+    OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 
+    WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 
+    ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 
+    SOFTWARE.
+*/
+
+/*--------------------------------------------------------------------------*/
+
+/*    inout.c 
+*    ----------
+*
+* Some of the data in/out functions.
+*
+* 
+* M. Akeroyd. 26th May 1993. Revised Winter 1994.
+*/
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "tip.h"
+
+
+extern short outputfiguredata[MAX_DATA];
+extern short outputgrounddata[MAX_DATA];
+
+extern int verboseflag;
+extern char progname[MAX_STRING_LENGTH];
+
+
+/*---------------------------------------------------------------------------*/
+
+
+FILE *open_file(char filefn[],  FILE *dir_default, int streamtype)
+{
+  /* Opens a file stream associated with filefn[].
+   * If that's null, then the stream is a copy of the dir_default:
+   *    stdin / stdout / stderr.
+   * 'streamtype' is either READ (for "rb") or WRITE ("wb")
+   */
+
+  char tempfilefn[MAX_STRING_LENGTH];
+  FILE *filefp = NULL;
+  
+  if (strcmp(filefn, "") == 0) 
+    filefp = dir_default;
+  else
+    if (streamtype == READ) 
+      filefp = fopen(filefn, "rb");
+    else   /* WRITE */
+      filefp = fopen(filefn, "wb");
+
+  if (filefp == NULL) {
+    fprintf(stderr, " %s : unable to open file %s\n", progname, filefn);
+    exit(-1);}
+   
+
+  return filefp;
+	
+}
+
+
+
+/*---------------------------------------------------------------------------*/
+
+
+
+
+void writedata_output(FILE *outputfp, int samples_to_write)
+{
+  /* writes an array  shorts to outputfp 
+   */
+
+  fwrite(outputfiguredata, 2, samples_to_write, outputfp);
+
+  if (ferror(outputfp)) {
+    fprintf(stderr, "  %s : something's gone wrong: error writing output \n", progname);
+    exit(-1);}
+}
+
+
+
+/*---------------------------------------------------------------------------*/
+
+
+
+void writedata_output_fg(FILE *figurefp, FILE *groundfp, int samples_to_write)
+{
+  /* similar to writedata_output, but uses both figure and ground
+   * arrays 
+   */
+
+  fwrite(outputfiguredata, 2, samples_to_write, figurefp);
+  fwrite(outputgrounddata, 2, samples_to_write, groundfp);
+
+  if (ferror(figurefp)!=0) {
+    fprintf(stderr, "  %s : something's gone wrong: error writing figure \n", progname);
+    exit(-1);}
+
+  if (ferror(groundfp)!=0) {
+    fprintf(stderr, "  %s : something's gone wrong: error writing ground \n", progname);
+    exit(-1);}
+}
+
+
+
+/*---------------------------------------------------------------------------*/
+
+
+
+void close_files(FILE *fp)
+{
+
+  if (verboseflag == ON)
+    fprintf(stderr, "\n");
+
+  fclose(fp);
+ 
+  if ( ferror(fp) != 0) {
+    fprintf(stderr, " %s : error closing file.\n", progname);
+    exit(-1);}
+}
+
+
+/* The End */
+/*---------------------------------------------------------------------------*/
+
+
+
+