path: root/libsyscalls_get_syscall_errors.c

/* See LICENSE file for copyright and license details. */
#include "common.h"


#include "generated/errors.c"

enum libsyscalls_error
libsyscalls_get_syscall_errors(enum libsyscalls_os os, enum libsyscalls_arch arch,
                               const struct libsyscalls_named_number **errors_out,
                               size_t *num_errors_out, int *are_signed_out)
{
	const struct libsyscalls_named_number *discard_errors;
	size_t discard_num_errors;
	int discard_are_signed;

	if (!errors_out)     errors_out     = &discard_errors;
	if (!num_errors_out) num_errors_out = &discard_num_errors;
	if (!are_signed_out) are_signed_out = &discard_are_signed;

#define CASE(UPPERCASE, LOWERCASE)\
	case LIBSYSCALLS_OS_##UPPERCASE:\
		return get_##LOWERCASE##_syscall_errors(arch, errors_out, num_errors_out, are_signed_out)

	switch ((int)os) {
	LIST_OSES(CASE, ;);

	/* if OS is known but does not have named error numbers,
	 * get_##LOWERCASE##_syscall_errors shall return LIBSYSCALLS_E_NOERRORS; */

	default:
		return LIBSYSCALLS_E_OSNOSUP;
	}

#undef CASE	
}