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/* open_datafile.c -- Set up datafile context.
Usage: Before including this template file in your source file,
#define the prototype of the function under test in the CALL
symbol, see tadd_tmpl.c for an example.
Copyright (C) 2012, 2013 INRIA
This file is part of GNU MPC.
GNU MPC is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see http://www.gnu.org/licenses/ .
*/
#include <string.h>
#include "mpc-tests.h"
void
open_datafile (mpc_datafile_context_t* datafile_context,
const char * data_filename)
{
char *src_dir;
char default_srcdir[] = ".";
src_dir = getenv ("srcdir");
if (src_dir == NULL)
src_dir = default_srcdir;
datafile_context->pathname =
(char *) malloc ((strlen (src_dir)) + strlen (data_filename) + 2);
if (datafile_context->pathname == NULL)
{
fprintf (stderr, "Cannot allocate memory\n");
exit (1);
}
sprintf (datafile_context->pathname, "%s/%s", src_dir, data_filename);
datafile_context->fd = fopen (datafile_context->pathname, "r");
if (datafile_context->fd == NULL)
{
fprintf (stderr, "Unable to open %s\n", datafile_context->pathname);
exit (1);
}
datafile_context->line_number = 1;
datafile_context->nextchar = getc (datafile_context->fd);
tpl_skip_whitespace_comments (datafile_context);
}
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