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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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34
libc/calls/write-nt.c
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@ -25,7 +25,7 @@
#include "libc/nt/struct/overlapped.h"
#include "libc/sysv/errfuns.h"
static size_t SumIovecLen(const struct iovec *v, size_t n) {
static textwindows size_t SumIovecLen(const struct iovec *v, size_t n) {
size_t i, sum;
for (sum = i = 0; i < n; ++i) {
sum += v[i].iov_len;
@ -34,16 +34,32 @@ static size_t SumIovecLen(const struct iovec *v, size_t n) {
}
textwindows ssize_t sys_write_nt(struct Fd *fd, const struct iovec *iov,
size_t iovlen, ssize_t opt_offset) {
uint32_t wrote;
size_t iovlen, ssize_t opt_offset) {
size_t i, total;
uint32_t size, wrote;
struct NtOverlapped overlap;
while (iovlen && !iov[0].iov_len) iov++, iovlen--;
if (WriteFile(fd->handle, iovlen ? iov[0].iov_base : NULL,
iovlen ? clampio(iov[0].iov_len) : 0, &wrote,
offset2overlap(opt_offset, &overlap))) {
if (!wrote) assert(!SumIovecLen(iov, iovlen));
return wrote;
if (iovlen) {
for (total = i = 0; i < iovlen; ++i) {
if (!iov[i].iov_len) continue;
size = clampio(iov[0].iov_len);
if (WriteFile(fd->handle, iov[i].iov_base, size, &wrote,
offset2overlap(opt_offset, &overlap))) {
total += wrote;
if (opt_offset != -1) opt_offset += wrote;
if (wrote < iov[i].iov_len) break;
} else {
return __winerr();
}
}
if (!total) assert(!SumIovecLen(iov, iovlen));
return total;
} else {
return __winerr();
if (WriteFile(fd->handle, NULL, 0, &wrote,
offset2overlap(opt_offset, &overlap))) {
return 0;
} else {
return __winerr();
}
}
}