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Apply some touchups

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This commit is contained in:
Justine Tunney 2021-02-07 06:11:44 -08:00
parent 9f149e1de3
commit 2f3bd90216
139 changed files with 1188 additions and 1154 deletions
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36
libc/calls/read-nt.c
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@ -24,21 +24,37 @@
#include "libc/nt/errors.h"
#include "libc/nt/runtime.h"
#include "libc/nt/struct/overlapped.h"
#include "libc/nt/struct/teb.h"
#include "libc/sysv/errfuns.h"
textwindows ssize_t sys_read_nt(struct Fd *fd, const struct iovec *iov,
size_t iovlen, ssize_t opt_offset) {
uint32_t got;
size_t iovlen, ssize_t opt_offset) {
size_t i, total;
uint32_t got, size;
struct NtOverlapped overlap;
while (iovlen && !iov[0].iov_len) iov++, iovlen--;
if (ReadFile(fd->handle, iovlen ? iov[0].iov_base : NULL,
iovlen ? clampio(iov[0].iov_len) : 0, &got,
offset2overlap(opt_offset, &overlap))) {
return got;
} else if (NtGetErr() == kNtErrorBrokenPipe) {
return 0; /* read() doesn't EPIPE lool */
if (iovlen) {
for (total = i = 0; i < iovlen; ++i) {
size = clampio(iov[i].iov_len);
if (ReadFile(fd->handle, iov[i].iov_base, size, &got,
offset2overlap(opt_offset, &overlap))) {
total += got;
if (opt_offset != -1) opt_offset += got;
if (got < iov[i].iov_len) break;
} else if (GetLastError() == kNtErrorBrokenPipe) {
break; /* read() doesn't EPIPE lool */
} else {
return __winerr();
}
}
return total;
} else {
return __winerr();
if (ReadFile(fd->handle, NULL, 0, &got,
offset2overlap(opt_offset, &overlap))) {
return got;
} else if (GetLastError() == kNtErrorBrokenPipe) {
return 0;
} else {
return __winerr();
}
}
}