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version.zig
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version.zig
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const std = @import("std");
const c = @import("c.zig").c;
pub const Version = struct {
major: u32,
minor: u32,
micro: u32,
};
/// Returns library version as three integer components.
pub fn version() Version {
var major: c_uint = 0;
var minor: c_uint = 0;
var micro: c_uint = 0;
c.hb_version(&major, &minor, µ);
return .{ .major = major, .minor = minor, .micro = micro };
}
/// Tests the library version against a minimum value, as three integer components.
pub fn versionAtLeast(vsn: Version) bool {
return c.hb_version_atleast(
vsn.major,
vsn.minor,
vsn.micro,
) > 0;
}
/// Returns library version as a string with three components.
pub fn versionString() [:0]const u8 {
const res = c.hb_version_string();
return std.mem.sliceTo(res, 0);
}
test {
const testing = std.testing;
// Should be able to get the version
const vsn = version();
try testing.expect(vsn.major > 0);
// Should be at least version 1
try testing.expect(versionAtLeast(.{
.major = 1,
.minor = 0,
.micro = 0,
}));
}