mirror of git://git.gnupg.org/gnupg.git
127 lines
2.9 KiB
C
127 lines
2.9 KiB
C
/* miscellaneous.c - Stuff not fitting elsewhere
|
|
* Copyright (C) 2003 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 <stdlib.h>
|
|
#include <errno.h>
|
|
|
|
#include "util.h"
|
|
#include "iobuf.h"
|
|
|
|
/* Decide whether the filename is stdout or a real filename and return
|
|
* an appropriate string. */
|
|
const char *
|
|
print_fname_stdout (const char *s)
|
|
{
|
|
if( !s || (*s == '-' && !s[1]) )
|
|
return "[stdout]";
|
|
return s;
|
|
}
|
|
|
|
|
|
/* Decide whether the filename is stdin or a real filename and return
|
|
* an appropriate string. */
|
|
const char *
|
|
print_fname_stdin (const char *s)
|
|
{
|
|
if( !s || (*s == '-' && !s[1]) )
|
|
return "[stdin]";
|
|
return s;
|
|
}
|
|
|
|
void
|
|
print_string( FILE *fp, const byte *p, size_t n, int delim )
|
|
{
|
|
print_sanitized_buffer (fp, p, n, delim);
|
|
}
|
|
|
|
void
|
|
print_utf8_string2 ( FILE *fp, const byte *p, size_t n, int delim )
|
|
{
|
|
print_sanitized_utf8_buffer (fp, p, n, delim);
|
|
}
|
|
|
|
void
|
|
print_utf8_string( FILE *fp, const byte *p, size_t n )
|
|
{
|
|
print_utf8_string2 (fp, p, n, 0);
|
|
}
|
|
|
|
char *
|
|
make_printable_string( const byte *p, size_t n, int delim )
|
|
{
|
|
return sanitize_buffer (p, n, delim);
|
|
}
|
|
|
|
|
|
/*
|
|
* Check if the file is compressed.
|
|
*/
|
|
int
|
|
is_file_compressed (const char *s, int *ret_rc)
|
|
{
|
|
iobuf_t a;
|
|
byte buf[4];
|
|
int i, rc = 0;
|
|
|
|
struct magic_compress_s {
|
|
size_t len;
|
|
byte magic[4];
|
|
} magic[] = {
|
|
{ 3, { 0x42, 0x5a, 0x68, 0x00 } }, /* bzip2 */
|
|
{ 3, { 0x1f, 0x8b, 0x08, 0x00 } }, /* gzip */
|
|
{ 4, { 0x50, 0x4b, 0x03, 0x04 } }, /* (pk)zip */
|
|
};
|
|
|
|
if ( !s || (*s == '-' && !s[1]) || !ret_rc )
|
|
return 0; /* We can't check stdin or no file was given */
|
|
|
|
a = iobuf_open( s );
|
|
if ( a == NULL ) {
|
|
*ret_rc = gpg_error_from_errno (errno);
|
|
return 0;
|
|
}
|
|
|
|
if ( iobuf_get_filelength( a ) < 4 ) {
|
|
*ret_rc = 0;
|
|
goto leave;
|
|
}
|
|
|
|
if ( iobuf_read( a, buf, 4 ) == -1 ) {
|
|
*ret_rc = a->error;
|
|
goto leave;
|
|
}
|
|
|
|
for ( i = 0; i < DIM( magic ); i++ ) {
|
|
if ( !memcmp( buf, magic[i].magic, magic[i].len ) ) {
|
|
*ret_rc = 0;
|
|
rc = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
leave:
|
|
iobuf_close( a );
|
|
return rc;
|
|
}
|
|
|
|
|
|
|