| /* |
| * Copyright (c) 2023 Meta |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include "version.h" |
| #include <string.h> |
| #include <zephyr/kernel.h> |
| #include <zephyr/net/hostname.h> |
| #include <zephyr/posix/sys/utsname.h> |
| |
| #ifdef CONFIG_NET_HOSTNAME_ENABLE |
| #define UTSNAME_NODENAME CONFIG_NET_HOSTNAME |
| #else |
| #define UTSNAME_NODENAME "zephyr" |
| #endif |
| |
| #if defined(__DATE__) && defined(__TIME__) |
| #define UTSNAME_VERSION(_ver) _ver " " __DATE__ " " __TIME__ |
| #else |
| #define UTSNAME_VERSION(_ver) _ver |
| #endif |
| |
| #ifdef BUILD_VERSION |
| #define VERSION_BUILD STRINGIFY(BUILD_VERSION) |
| #else |
| #define VERSION_BUILD KERNEL_VERSION_STRING |
| #endif |
| |
| #define UTSNAME_INITIALIZER(_sys, _node, _rel, _ver, _mach) \ |
| { \ |
| .sysname = _sys, .nodename = _node, .release = _rel, \ |
| .version = UTSNAME_VERSION(_ver), .machine = _mach, \ |
| } |
| |
| static const struct utsname z_name = UTSNAME_INITIALIZER( |
| "Zephyr", UTSNAME_NODENAME, KERNEL_VERSION_STRING, VERSION_BUILD, CONFIG_ARCH); |
| |
| BUILD_ASSERT(sizeof(z_name.sysname) >= sizeof("Zephyr")); |
| BUILD_ASSERT(sizeof(z_name.release) >= sizeof(KERNEL_VERSION_STRING)); |
| BUILD_ASSERT(sizeof(z_name.version) >= sizeof(UTSNAME_VERSION(VERSION_BUILD))); |
| BUILD_ASSERT(sizeof(z_name.machine) >= sizeof(CONFIG_ARCH)); |
| |
| int uname(struct utsname *name) |
| { |
| memcpy(name, &z_name, sizeof(*name)); |
| if (IS_ENABLED(CONFIG_NET_HOSTNAME_ENABLE)) { |
| strncpy(name->nodename, net_hostname_get(), sizeof(name->nodename)); |
| name->nodename[sizeof(name->nodename) - 1] = '\0'; |
| } |
| return 0; |
| } |