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https://github.com/Ed94/Odin.git
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Feoramund
20c32c807d
It's possible for the return string to be longer than 128 characters these days, so I've increased it to 1024, same as the other BSDs. SYSCTL was otherwise erring out due to lack of buffer space.
78 lines
1.9 KiB
Odin
78 lines
1.9 KiB
Odin
package sysinfo
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import sys "core:sys/unix"
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import "core:strings"
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import "core:strconv"
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import "base:runtime"
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@(private)
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version_string_buf: [1024]u8
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@(init, private)
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init_os_version :: proc () {
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os_version.platform = .FreeBSD
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kernel_version_buf: [1024]u8
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b := strings.builder_from_bytes(version_string_buf[:])
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// Retrieve kernel info using `sysctl`, e.g. FreeBSD 13.1-RELEASE-p2 GENERIC
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mib := []i32{sys.CTL_KERN, sys.KERN_VERSION}
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if !sys.sysctl(mib, &kernel_version_buf) {
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return
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}
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pretty_name := string(cstring(raw_data(kernel_version_buf[:])))
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pretty_name = strings.trim(pretty_name, "\n")
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strings.write_string(&b, pretty_name)
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// l := strings.builder_len(b)
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// Retrieve kernel revision using `sysctl`, e.g. 199506
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mib = []i32{sys.CTL_KERN, sys.KERN_OSREV}
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revision: int
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if !sys.sysctl(mib, &revision) {
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return
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}
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os_version.patch = revision
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strings.write_string(&b, ", revision ")
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strings.write_int(&b, revision)
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// Finalize pretty name.
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os_version.as_string = strings.to_string(b)
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// Retrieve kernel release using `sysctl`, e.g. 13.1-RELEASE-p2
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mib = []i32{sys.CTL_KERN, sys.KERN_OSRELEASE}
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if !sys.sysctl(mib, &kernel_version_buf) {
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return
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}
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runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
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// Parse kernel version
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release := string(cstring(raw_data(kernel_version_buf[:])))
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version_bits := strings.split_n(release, "-", 2, context.temp_allocator)
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if len(version_bits) > 1 {
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// Parse major, minor from KERN_OSRELEASE
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triplet := strings.split(version_bits[0], ".", context.temp_allocator)
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if len(triplet) == 2 {
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major, major_ok := strconv.parse_int(triplet[0])
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minor, minor_ok := strconv.parse_int(triplet[1])
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if major_ok && minor_ok {
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os_version.major = major
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os_version.minor = minor
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}
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}
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}
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}
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@(init, private)
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init_ram :: proc() {
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// Retrieve RAM info using `sysctl`
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mib := []i32{sys.CTL_HW, sys.HW_PHYSMEM}
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mem_size: u64
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if sys.sysctl(mib, &mem_size) {
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ram.total_ram = int(mem_size)
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}
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} |