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lib: add const to avoid regression

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Not sure if this was meant to be legal or not, but either way this code
should have been using const anyway.
This commit is contained in:
Jacob Young 2023-06-01 01:48:42 -04:00 committed by Andrew Kelley
parent 0777e98bfe
commit cab79b0877
1 changed files with 4 additions and 4 deletions
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8
lib/std/child_process.zig
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@ -530,7 +530,7 @@ pub const ChildProcess = struct {
// can fail between fork() and execve().
// Therefore, we do all the allocation for the execve() before the fork().
// This means we must do the null-termination of argv and env vars here.
const argv_buf = try arena.allocSentinel(?[*:0]u8, self.argv.len, null);
const argv_buf = try arena.allocSentinel(?[*:0]const u8, self.argv.len, null);
for (self.argv, 0..) |arg, i| argv_buf[i] = (try arena.dupeZ(u8, arg)).ptr;
const envp = m: {
@ -542,7 +542,7 @@ pub const ChildProcess = struct {
} else if (builtin.output_mode == .Exe) {
// Then we have Zig start code and this works.
// TODO type-safety for null-termination of `os.environ`.
break :m @ptrCast([*:null]?[*:0]u8, os.environ.ptr);
break :m @ptrCast([*:null]?[*:0]const u8, os.environ.ptr);
} else {
// TODO come up with a solution for this.
@compileError("missing std lib enhancement: ChildProcess implementation has no way to collect the environment variables to forward to the child process");
@ -1425,9 +1425,9 @@ pub fn createWindowsEnvBlock(allocator: mem.Allocator, env_map: *const EnvMap) !
return try allocator.realloc(result, i);
}
pub fn createNullDelimitedEnvMap(arena: mem.Allocator, env_map: *const EnvMap) ![:null]?[*:0]u8 {
pub fn createNullDelimitedEnvMap(arena: mem.Allocator, env_map: *const EnvMap) ![:null]?[*:0]const u8 {
const envp_count = env_map.count();
const envp_buf = try arena.allocSentinel(?[*:0]u8, envp_count, null);
const envp_buf = try arena.allocSentinel(?[*:0]const u8, envp_count, null);
{
var it = env_map.iterator();
var i: usize = 0;