mach_error_string.c [plain text]
#include <mach/boolean.h>
#include <mach/error.h>
#include <mach/mach_error.h>
#include "errorlib.h"
#include "externs.h"
static void do_compat(mach_error_t *);
static void
do_compat(mach_error_t *org_err)
{
mach_error_t err = *org_err;
if ((-200 < err) && (err <= -100))
err = -(err + 100) | IPC_SEND_MOD;
else if ((-300 < err) && (err <= -200))
err = -(err + 200) | IPC_RCV_MOD;
else if ((-400 < err) && (err <= -300))
err = -(err + 300) | MACH_IPC_MIG_MOD;
else if ((1000 <= err) && (err < 1100))
err = (err - 1000) | SERV_NETNAME_MOD;
else if ((1600 <= err) && (err < 1700))
err = (err - 1600) | SERV_ENV_MOD;
else if ((27600 <= err) && (err < 27700))
err = (err - 27600) | SERV_EXECD_MOD;
*org_err = err;
}
char *
mach_error_type(mach_error_t err)
{
int sub, system;
do_compat( &err );
sub = err_get_sub(err);
system = err_get_system(err);
if (system > err_max_system || sub >= _mach_errors[system].max_sub)
return((char *)"(?/?)");
return(_mach_errors[system].subsystem[sub].subsys_name);
}
boolean_t mach_error_full_diag = FALSE;
__private_extern__ char *
mach_error_string_int(mach_error_t err, boolean_t *diag)
{
int sub, system, code;
do_compat( &err );
sub = err_get_sub(err);
system = err_get_system(err);
code = err_get_code(err);
*diag = TRUE;
if (system > err_max_system)
return((char *)"(?/?) unknown error system");
if (sub >= _mach_errors[system].max_sub)
return(_mach_errors[system].bad_sub);
if (code >= _mach_errors[system].subsystem[sub].max_code)
return ((char *)NO_SUCH_ERROR);
*diag = mach_error_full_diag;
return( _mach_errors[system].subsystem[sub].codes[code] );
}
char *
mach_error_string(mach_error_t err)
{
boolean_t diag;
return mach_error_string_int( err, &diag );
}