const char * mach_error_type(mach_error_t err) { int sub, system; __mach_error_map_compat( &err ); sub = err_get_sub(err); system = err_get_system(err); if (system > err_max_system || sub >= errors[system].max_sub ) return( "(?/?)" ); return( errors[system].subsystem[sub].subsys_name ); }
/* Return a string describing the errno code in ERRNUM. */ char * strerror_l (int errnum, locale_t loc) { int system; int sub; int code; const struct error_system *es; extern void __mach_error_map_compat (int *); __mach_error_map_compat (&errnum); system = err_get_system (errnum); sub = err_get_sub (errnum); code = err_get_code (errnum); if (system > err_max_system || ! __mach_error_systems[system].bad_sub) { free (last_value); if (__asprintf (&last_value, "%s%X", translate ("Error in unknown error system: ", loc), errnum) == -1) last_value = NULL; return last_value; } es = &__mach_error_systems[system]; if (sub >= es->max_sub) return (char *) translate (es->bad_sub, loc); if (code >= es->subsystem[sub].max_code) { free (last_value); if (__asprintf (&last_value, "%s%s %d", translate ("Unknown error ", loc), translate (es->subsystem[sub].subsys_name, loc), errnum) == -1) last_value = NULL; return last_value; } return (char *) translate (es->subsystem[sub].codes[code], loc); }
/* Return a string describing the errno code in ERRNUM. */ char * _strerror_internal (int errnum, char *buf, size_t buflen) { int system; int sub; int code; const struct error_system *es; extern void __mach_error_map_compat (int *); __mach_error_map_compat (&errnum); system = err_get_system (errnum); sub = err_get_sub (errnum); code = err_get_code (errnum); if (system > err_max_system || ! __mach_error_systems[system].bad_sub) { const char *unk = _("Error in unknown error system: "); const size_t unklen = strlen (unk); char *p = buf + buflen; *--p = '\0'; p = _itoa (errnum, p, 16, 1); return memcpy (p - unklen, unk, unklen); } es = &__mach_error_systems[system]; if (sub >= es->max_sub) return (char *) es->bad_sub; if (code >= es->subsystem[sub].max_code) { const char *unk = _("Unknown error "); const size_t unklen = strlen (unk); char *p = buf + buflen; size_t len = strlen (es->subsystem[sub].subsys_name); *--p = '\0'; p = _itoa (errnum, p, 16, 1); *p-- = ' '; p = memcpy (p - len, es->subsystem[sub].subsys_name, len); return memcpy (p - unklen, unk, unklen); } return (char *) _(es->subsystem[sub].codes[code]); }
const char * mach_error_string_int(mach_error_t err, boolean_t * diag) { int sub, system, code; __mach_error_map_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( "(?/?) unknown error system" ); if (sub >= errors[system].max_sub) return( errors[system].bad_sub ); if (code >= errors[system].subsystem[sub].max_code) return ( NO_SUCH_ERROR ); *diag = mach_error_full_diag; return( errors[system].subsystem[sub].codes[code] ); }