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std: don't do BYOS at the POSIX API layer

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This was a mistake from day one. This is the wrong abstraction layer to
do this in.

My alternate plan for this is to make all I/O operations require an IO
interface parameter, similar to how allocations require an Allocator
interface parameter today.
This commit is contained in:
Andrew Kelley 2024-03-19 17:02:04 -07:00
parent 5d389535e8
commit cba1555104
1 changed files with 2 additions and 6 deletions
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8
lib/std/posix.zig
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@ -39,12 +39,8 @@ const linux = std.os.linux;
const windows = std.os.windows;
const wasi = std.os.wasi;
/// Applications can override the `system` API layer in their root source file.
/// Otherwise, when linking libc, this is the C API.
/// When not linking libc, it is the OS-specific system interface.
pub const system = if (@hasDecl(root, "os") and @hasDecl(root.os, "system") and root.os != @This())
root.os.system
else if (use_libc)
/// A libc-compatible API layer.
pub const system = if (use_libc)
std.c
else switch (native_os) {
.linux => linux,