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Make improvements

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- Expand redbean UNIX module
- Expand redbean documentation
- Ensure Lua copyright is embedded in binary
- Increase the PATH_MAX limit especially on NT
- Use column major sorting for linenoise completions
- Fix some suboptimalities in redbean's new UNIX API
- Figured out right flags for Multics newline in raw mode
This commit is contained in:
Justine Tunney 2022-04-24 09:59:22 -07:00
parent cf3174dc74
commit 2046c0d2ae
305 changed files with 6602 additions and 4221 deletions
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39
libc/sock/setsockopt-nt.c
View file

@ -17,9 +17,11 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/timeval.h"
#include "libc/limits.h"
#include "libc/macros.internal.h"
#include "libc/sock/internal.h"
#include "libc/sysv/consts/so.h"
#include "libc/sysv/consts/sol.h"
#include "libc/sysv/errfuns.h"
struct linger_nt { /* Linux+XNU+BSD ABI */
@ -29,27 +31,34 @@ struct linger_nt { /* Linux+XNU+BSD ABI */
textwindows int sys_setsockopt_nt(struct Fd *fd, int level, int optname,
const void *optval, uint32_t optlen) {
int64_t ms;
struct timeval *tv;
struct linger *linger;
union {
uint32_t millis;
struct linger_nt linger;
} nt;
} u;
if (optname == SO_LINGER && optval && optlen == sizeof(struct linger)) {
linger = optval;
nt.linger.l_onoff = linger->l_onoff;
nt.linger.l_linger = MIN(0xFFFF, MAX(0, linger->l_linger));
optval = &nt.linger;
optlen = sizeof(nt.linger);
}
if ((optname == SO_RCVTIMEO || optname == SO_SNDTIMEO) && optval &&
optlen == sizeof(struct timeval)) {
tv = optval;
nt.millis = MIN(0xFFFFFFFF, MAX(0, tv->tv_sec * 1000 + tv->tv_usec / 1000));
optval = &nt.millis;
optlen = sizeof(nt.millis);
if (level == SOL_SOCKET) {
if (optname == SO_LINGER && optval && optlen == sizeof(struct linger)) {
linger = optval;
u.linger.l_onoff = linger->l_onoff;
u.linger.l_linger = MIN(0xFFFF, MAX(0, linger->l_linger));
optval = &u.linger;
optlen = sizeof(u.linger);
} else if ((optname == SO_RCVTIMEO || optname == SO_SNDTIMEO) && optval &&
optlen == sizeof(struct timeval)) {
tv = optval;
if (__builtin_mul_overflow(tv->tv_sec, 1000, &ms) ||
__builtin_add_overflow(ms, tv->tv_usec / 1000, &ms) ||
(ms < 0 || ms > 0xffffffff)) {
u.millis = 0xffffffff;
} else {
u.millis = ms;
}
optval = &u.millis;
optlen = sizeof(u.millis);
}
}
if (__sys_setsockopt_nt(fd->handle, level, optname, optval, optlen) != -1) {