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Get Fat Emacs working in Windows Console

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Justine Tunney 2023-08-18 04:55:57 -07:00
parent bf835de612
commit 7100b1cf91
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GPG key ID: BE714B4575D6E328
34 changed files with 479 additions and 168 deletions
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36
libc/calls/read.c
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@ -66,25 +66,27 @@
ssize_t read(int fd, void *buf, size_t size) {
ssize_t rc;
BEGIN_CANCELLATION_POINT;
if (fd >= 0) {
if ((!buf && size) || (IsAsan() && !__asan_is_valid(buf, size))) {
rc = efault();
} else if (fd < g_fds.n && g_fds.p[fd].kind == kFdZip) {
rc = _weaken(__zipos_read)(
(struct ZiposHandle *)(intptr_t)g_fds.p[fd].handle,
&(struct iovec){buf, size}, 1, -1);
} else if (!IsWindows() && !IsMetal()) {
rc = sys_read(fd, buf, size);
} else if (fd >= g_fds.n) {
rc = ebadf();
} else if (IsMetal()) {
rc = sys_readv_metal(g_fds.p + fd, &(struct iovec){buf, size}, 1);
} else {
rc = sys_readv_nt(g_fds.p + fd, &(struct iovec){buf, size}, 1);
}
} else {
if (fd < 0) {
rc = ebadf();
} else if ((!buf && size) || (IsAsan() && !__asan_is_valid(buf, size))) {
rc = efault();
} else if (fd < g_fds.n && g_fds.p[fd].kind == kFdZip) {
rc = _weaken(__zipos_read)(
(struct ZiposHandle *)(intptr_t)g_fds.p[fd].handle,
&(struct iovec){buf, size}, 1, -1);
} else if (IsLinux() || IsXnu() || IsFreebsd() || IsOpenbsd() || IsNetbsd()) {
rc = sys_read(fd, buf, size);
} else if (fd >= g_fds.n) {
rc = ebadf();
} else if (IsMetal()) {
rc = sys_readv_metal(g_fds.p + fd, &(struct iovec){buf, size}, 1);
} else if (IsWindows()) {
rc = sys_readv_nt(g_fds.p + fd, &(struct iovec){buf, size}, 1);
} else {
rc = enosys();
}
END_CANCELLATION_POINT;
DATATRACE("read(%d, [%#.*hhs%s], %'zu) → %'zd% m", fd,
(int)MAX(0, MIN(40, rc)), buf, rc > 40 ? "..." : "", size, rc);