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/* util.{cc,hh} -- various bits
*
* Copyright (c) 2003-2010 Eddie Kohler
*
* 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 the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version. This program 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 General
* Public License for more details.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "util.hh"
#include <lcdf/error.hh>
#include <lcdf/straccum.hh>
#include <lcdf/vector.hh>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#if defined(_MSDOS) || defined(_WIN32)
# include <fcntl.h>
# include <io.h>
#endif
String
read_file(String filename, ErrorHandler *errh, bool warning)
{
FILE *f;
if (!filename || filename == "-") {
filename = "<stdin>";
f = stdin;
#if defined(_MSDOS) || defined(_WIN32)
// Set the file mode to binary
_setmode(_fileno(f), _O_BINARY);
#endif
} else if (!(f = fopen(filename.c_str(), "rb"))) {
errh->xmessage((warning ? errh->e_warning : errh->e_error) + ErrorHandler::make_landmark_anno(filename), strerror(errno));
return String();
}
StringAccum sa;
int amt;
do {
if (char *x = sa.reserve(8192)) {
amt = fread(x, 1, 8192, f);
sa.adjust_length(amt);
} else
amt = 0;
} while (amt != 0);
if (!feof(f) || ferror(f))
errh->xmessage((warning ? errh->e_warning : errh->e_error) + ErrorHandler::make_landmark_anno(filename), strerror(errno));
if (f != stdin)
fclose(f);
return sa.take_string();
}
String
printable_filename(const String &s)
{
if (!s || s == "-")
return String::make_stable("<stdin>");
else
return s;
}
String
pathname_filename(const String &path)
{
int slash = path.find_right('/');
if (slash >= 0 && slash != path.length() - 1)
return path.substring(slash + 1);
else
return path;
}
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