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/* $Id: res_vald.c,v 1.1 2003/12/09 20:25:34 skaus Exp $
Returns whether the passed-in file is a probably
valid resource file.
0 -> is valid
1 -> no such file
2 -> is a device
3 -> not valid
*/
#include "../config.h"
#include <assert.h>
#include <fcntl.h>
#include <io.h>
#include "../include/command.h"
#include "../include/misc.h"
#include "../include/openf.h"
#include "../include/resource.h"
#include "../include/strings.typ"
/* Is called only, if the Strings resource had been found,
hence, returning TRUE alsways. */
#pragma argsused
static int test_fct(res_majorid_t major
, res_minorid_t minor
, long length
, FILE* f
, void * const arg)
{
assert(major == RES_ID_STRINGS);
return minor == STRING_RESOURCE_MINOR_ID? 1 : 2;
}
int validResFile(const char * const fnam)
{ int fd;
assert(fnam);
if((fd = open(fnam, O_RDONLY | O_BINARY)) < 0)
return 1;
if(isadev(fd)) {
close(fd);
return 2;
}
close(fd);
if(enumFileResources(fnam
, RES_ID_STRINGS, test_fct, (void*)0) != 1)
return 3;
return 0;
}
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