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process.zig: remove unused function getSelfExeSharedLibPaths

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Eric Joldasov 2022-11-15 21:29:53 +06:00 committed by Andrew Kelley
parent 699e7f721b
commit 3c3def6ac2
1 changed files with 0 additions and 81 deletions
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81
lib/std/process.zig
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@ -1067,87 +1067,6 @@ pub fn getBaseAddress() usize {
} }
} }
/// Caller owns the result value and each inner slice.
/// TODO Remove the `Allocator` requirement from this API, which will remove the `Allocator`
/// requirement from `std.zig.system.NativeTargetInfo.detect`. Most likely this will require
/// introducing a new, lower-level function which takes a callback function, and then this
/// function which takes an allocator can exist on top of it.
pub fn getSelfExeSharedLibPaths(allocator: Allocator) error{OutOfMemory}![][:0]u8 {
switch (builtin.link_mode) {
.Static => return &[_][:0]u8{},
.Dynamic => {},
}
const List = std.ArrayList([:0]u8);
switch (builtin.os.tag) {
.linux,
.freebsd,
.netbsd,
.dragonfly,
.openbsd,
.solaris,
=> {
var paths = List.init(allocator);
errdefer {
const slice = paths.toOwnedSlice();
for (slice) |item| {
allocator.free(item);
}
allocator.free(slice);
}
try os.dl_iterate_phdr(&paths, error{OutOfMemory}, struct {
fn callback(info: *os.dl_phdr_info, size: usize, list: *List) !void {
_ = size;
const name = info.dlpi_name orelse return;
if (name[0] == '/') {
const item = try list.allocator.dupeZ(u8, mem.sliceTo(name, 0));
errdefer list.allocator.free(item);
try list.append(item);
}
}
}.callback);
return paths.toOwnedSlice();
},
.macos, .ios, .watchos, .tvos => {
var paths = List.init(allocator);
errdefer {
const slice = paths.toOwnedSlice();
for (slice) |item| {
allocator.free(item);
}
allocator.free(slice);
}
const img_count = std.c._dyld_image_count();
var i: u32 = 0;
while (i < img_count) : (i += 1) {
const name = std.c._dyld_get_image_name(i);
const item = try allocator.dupeZ(u8, mem.sliceTo(name, 0));
errdefer allocator.free(item);
try paths.append(item);
}
return paths.toOwnedSlice();
},
// revisit if Haiku implements dl_iterat_phdr (https://dev.haiku-os.org/ticket/15743)
.haiku => {
var paths = List.init(allocator);
errdefer {
const slice = paths.toOwnedSlice();
for (slice) |item| {
allocator.free(item);
}
allocator.free(slice);
}
var b = "/boot/system/runtime_loader";
const item = try allocator.dupeZ(u8, mem.sliceTo(b, 0));
errdefer allocator.free(item);
try paths.append(item);
return paths.toOwnedSlice();
},
else => @compileError("getSelfExeSharedLibPaths unimplemented for this target"),
}
}
/// Tells whether calling the `execv` or `execve` functions will be a compile error. /// Tells whether calling the `execv` or `execve` functions will be a compile error.
pub const can_execv = switch (builtin.os.tag) { pub const can_execv = switch (builtin.os.tag) {
.windows, .haiku, .wasi => false, .windows, .haiku, .wasi => false,