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/* fileutil.c - file utilities
* Copyright (C) 1998 Free Software Foundation, Inc.
*
* This file is part of GNUPG.
*
* GNUPG 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.
*
* GNUPG 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include "util.h"
#include "memory.h"
#include "ttyio.h"
/****************
* Construct a filename from the NULL terminated list of parts.
* Tilde expansion is done here.
*/
char *
make_filename( const char *first_part, ... )
{
va_list arg_ptr ;
size_t n;
const char *s;
char *name, *home, *p;
va_start( arg_ptr, first_part ) ;
n = strlen(first_part)+1;
while( (s=va_arg(arg_ptr, const char *)) )
n += strlen(s) + 1;
va_end(arg_ptr);
home = NULL;
if( *first_part == '~' && first_part[1] == '/'
&& (home = getenv("HOME")) && *home )
n += strlen(home);
name = m_alloc(n);
p = home ? stpcpy(stpcpy(name,home), first_part+1)
: stpcpy(name, first_part);
va_start( arg_ptr, first_part ) ;
while( (s=va_arg(arg_ptr, const char *)) )
p = stpcpy(stpcpy(p,"/"), s);
va_end(arg_ptr);
return name;
}
int
compare_filenames( const char *a, const char *b )
{
/* ? check whether this is an absolute filename and
* resolve symlinks?
*/
#ifdef __MINGW32__
return stricmp(a,b);
#else
return strcmp(a,b);
#endif
}
/****************
* A simple function to decide whether the filename is stdout
* or a real filename.
*/
const char *
print_fname_stdout( const char *s )
{
if( !s || (*s == '-' && !s[1]) )
return "[stdout]";
return s;
}
const char *
print_fname_stdin( const char *s )
{
if( !s || (*s == '-' && !s[1]) )
return "[stdin]";
return s;
}
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