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shell-integration: comptime buffer capacity

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This commit is contained in:
Jon Parise
2025-03-22 15:54:48 -04:00
parent 36ff70eb7f
commit 0caba3e19f
1 changed files with 13 additions and 7 deletions
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20
src/termio/shell_integration.zig
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@ -150,17 +150,23 @@ pub fn setupFeatures(
env: *EnvMap, env: *EnvMap,
features: config.ShellIntegrationFeatures, features: config.ShellIntegrationFeatures,
) !void { ) !void {
var enabled = try std.BoundedArray(u8, 256).init(0); const fields = @typeInfo(@TypeOf(features)).@"struct".fields;
const capacity: usize = capacity: {
comptime var n: usize = fields.len - 1; // commas
inline for (fields) |field| n += field.name.len;
break :capacity n;
};
var buffer = try std.BoundedArray(u8, capacity).init(0);
inline for (@typeInfo(@TypeOf(features)).@"struct".fields) |f| { inline for (fields) |field| {
if (@field(features, f.name)) { if (@field(features, field.name)) {
if (enabled.len > 0) try enabled.append(','); if (buffer.len > 0) try buffer.append(',');
try enabled.appendSlice(f.name); try buffer.appendSlice(field.name);
} }
} }
if (enabled.len > 0) { if (buffer.len > 0) {
try env.put("GHOSTTY_SHELL_FEATURES", enabled.slice()); try env.put("GHOSTTY_SHELL_FEATURES", buffer.slice());
} }
} }