Tesseract  3.02
tesseract-ocr/cutil/efio.cpp
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00001 /******************************************************************************
00002  **     Filename:       efio.c
00003  **     Purpose:        Utility I/O routines
00004  **     Author:         Dan Johnson
00005  **     History:        5/21/89, DSJ, Created.
00006  **
00007  **     (c) Copyright Hewlett-Packard Company, 1988.
00008  ** Licensed under the Apache License, Version 2.0 (the "License");
00009  ** you may not use this file except in compliance with the License.
00010  ** You may obtain a copy of the License at
00011  ** http://www.apache.org/licenses/LICENSE-2.0
00012  ** Unless required by applicable law or agreed to in writing, software
00013  ** distributed under the License is distributed on an "AS IS" BASIS,
00014  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00015  ** See the License for the specific language governing permissions and
00016  ** limitations under the License.
00017  ******************************************************************************/
00021 #include "efio.h"
00022 #include "danerror.h"
00023 #include <stdio.h>
00024 #include <string.h>
00025 
00026 #define MAXERRORMESSAGE   256
00027 
00031 /*---------------------------------------------------------------------------*/
00032 FILE *Efopen(const char *Name, const char *Mode) { 
00033 /*
00034  **     Parameters:
00035  **             Name    name of file to be opened
00036  **             Mode    mode to be used to open file
00037  **     Globals:
00038  **             None
00039  **     Operation:
00040  **             This routine attempts to open the specified file in the
00041  **             specified mode.  If the file can be opened, a pointer to
00042  **             the open file is returned.  If the file cannot be opened,
00043  **             an error is trapped.
00044  **     Return:
00045  **             Pointer to open file.
00046  **     Exceptions:
00047  **             FOPENERROR              unable to open specified file
00048  **     History:
00049  **             5/21/89, DSJ, Created.
00050  */
00051   FILE *File;
00052   char ErrorMessage[MAXERRORMESSAGE];
00053 
00054   File = fopen (Name, Mode);
00055   if (File == NULL) {
00056     sprintf (ErrorMessage, "Unable to open %s", Name);
00057     DoError(FOPENERROR, ErrorMessage); 
00058     return (NULL);
00059   }
00060   else
00061     return (File);
00062 }                                /* Efopen */