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