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Build.zig_exe: make it sentinel-aware

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This is useful for tests that want to `execve` zig directly. The string
is already null-terminated, so this will just expose it as such,
removing an extra allocation from the test.

Will be used in #14462
This commit is contained in:
Motiejus Jakštys 2023-03-17 15:09:26 +02:00 committed by Andrew Kelley
parent 2089b3f193
commit 9f2aa3fbee
2 changed files with 4 additions and 4 deletions
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4
lib/build_runner.zig
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@ -1008,13 +1008,13 @@ fn usageAndErr(builder: *std.Build, already_ran_build: bool, out_stream: anytype
process.exit(1);
}
fn nextArg(args: [][]const u8, idx: *usize) ?[]const u8 {
fn nextArg(args: [][:0]const u8, idx: *usize) ?[:0]const u8 {
if (idx.* >= args.len) return null;
defer idx.* += 1;
return args[idx.*];
}
fn argsRest(args: [][]const u8, idx: usize) ?[][]const u8 {
fn argsRest(args: [][:0]const u8, idx: usize) ?[][:0]const u8 {
if (idx >= args.len) return null;
return args[idx..];
}

4
lib/std/Build.zig
View File

@ -60,7 +60,7 @@ verbose_cimport: bool,
verbose_llvm_cpu_features: bool,
reference_trace: ?u32 = null,
invalid_user_input: bool,
zig_exe: []const u8,
zig_exe: [:0]const u8,
default_step: *Step,
env_map: *EnvMap,
top_level_steps: std.StringArrayHashMapUnmanaged(*TopLevelStep),
@ -184,7 +184,7 @@ pub const DirList = struct {
pub fn create(
allocator: Allocator,
zig_exe: []const u8,
zig_exe: [:0]const u8,
build_root: Cache.Directory,
cache_root: Cache.Directory,
global_cache_root: Cache.Directory,