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//
// Copyright 2017 Garrett D'Amore <garrett@damore.org>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#include "core/nng_impl.h"
#ifdef PLATFORM_WINDOWS
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void
nni_plat_abort(void)
{
abort();
}
void
nni_plat_println(const char *message)
{
(void) fprintf(stderr, "%s\n", message);
}
const char *
nni_plat_strerror(int errnum)
{
if (errnum > NNG_ESYSERR) {
errnum -= NNG_ESYSERR;
}
return (strerror(errnum));
}
// Win32 has its own error codes, but these ones it shares with POSIX.
static struct {
int sys_err;
int nng_err;
} nni_plat_errnos[] = {
{ ENOENT, NNG_ENOENT }, { EINTR, NNG_EINTR }, { EINVAL, NNG_EINVAL },
{ ENOMEM, NNG_ENOMEM }, { EACCES, NNG_EPERM }, { EAGAIN, NNG_EAGAIN },
{ EBADF, NNG_ECLOSED }, { EBUSY, NNG_EBUSY },
{ ENAMETOOLONG, NNG_EINVAL }, { EPERM, NNG_EPERM },
{ EPIPE, NNG_ECLOSED }, { 0, 0 } // must be last
};
int
nni_plat_errno(int errnum)
{
int i;
if (errnum == 0) {
return (0);
}
for (i = 0; nni_plat_errnos[i].nng_err != 0; i++) {
if (errnum == nni_plat_errnos[i].sys_err) {
return (nni_plat_errnos[i].nng_err);
}
}
// Other system errno.
return (NNG_ESYSERR + errnum);
}
// Windows has infinite numbers of error codes it seems. We only bother
// with the ones that are relevant to us (we think). Note that there is
// no overlap between errnos and GetLastError values.
static struct {
int win_err;
int nng_err;
} nni_win_errnos[] = {
// clang-format off
{ ERROR_FILE_NOT_FOUND, NNG_ENOENT },
{ ERROR_ACCESS_DENIED, NNG_EPERM },
{ ERROR_INVALID_HANDLE, NNG_ECLOSED },
{ ERROR_NOT_ENOUGH_MEMORY, NNG_ENOMEM },
{ ERROR_INVALID_ACCESS, NNG_EPERM },
{ ERROR_INVALID_DATA, NNG_EINVAL },
{ ERROR_OUTOFMEMORY, NNG_ENOMEM },
{ ERROR_HANDLE_EOF, NNG_ECLOSED },
{ ERROR_NOT_SUPPORTED, NNG_ENOTSUP },
{ ERROR_OUT_OF_STRUCTURES, NNG_ENOMEM },
{ ERROR_INVALID_PARAMETER, NNG_EINVAL },
{ ERROR_CONNECTION_REFUSED, NNG_ECONNREFUSED },
{ ERROR_BROKEN_PIPE, NNG_ECLOSED },
{ ERROR_BAD_PIPE, NNG_ECLOSED },
{ ERROR_NO_DATA, NNG_ECLOSED },
{ ERROR_PIPE_NOT_CONNECTED, NNG_ECLOSED },
{ ERROR_OPERATION_ABORTED, NNG_ECLOSED },
{ WAIT_TIMEOUT, NNG_ETIMEDOUT },
// Must be Last!!
{ 0, 0 },
// clang-format on
};
// This converts a Windows API error (from GetLastError()) to an
// nng standard error code.
int
nni_win_error(int errnum)
{
int i;
if (errnum == 0) {
return (0);
}
for (i = 0; nni_win_errnos[i].nng_err != 0; i++) {
if (errnum == nni_win_errnos[i].win_err) {
return (nni_win_errnos[i].nng_err);
}
}
// Other system errno.
return (NNG_ESYSERR + errnum);
}
#else
// Suppress empty symbols warnings in ranlib.
int nni_win_debug_not_used = 0;
#endif // PLATFORM_WINDOWS
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