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Remove old stack code and improve dirstream

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This commit is contained in:
Justine Tunney 2023-08-16 07:54:40 -07:00
parent 74caabb823
commit dc6c67256f
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GPG key ID: BE714B4575D6E328
61 changed files with 463 additions and 595 deletions
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10
libc/calls/fchdir.c
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@ -17,22 +17,30 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/internal.h"
#include "libc/calls/syscall-nt.internal.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/intrin/strace.internal.h"
#include "libc/sysv/errfuns.h"
/**
* Sets current directory based on file descriptor.
*
* This does *not* update the `PWD` environment variable.
*
* @raise EACCES if search permission was denied on directory
* @raise ENOTDIR if `dirfd` doesn't refer to a directory
* @raise EBADF if `dirfd` isn't a valid file descriptor
* @raise ENOTSUP if `dirfd` refers to `/zip/...` file
* @see open(path, O_DIRECTORY)
* @asyncsignalsafe
*/
int fchdir(int dirfd) {
int rc;
if (!IsWindows()) {
if (__isfdkind(dirfd, kFdZip)) {
rc = enotsup();
} else if (!IsWindows()) {
rc = sys_fchdir(dirfd);
} else {
rc = sys_fchdir_nt(dirfd);