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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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22
libc/sock/getsockopt.c
View file

@ -19,6 +19,8 @@
#include "libc/calls/internal.h"
#include "libc/calls/strace.internal.h"
#include "libc/dce.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/intrin/asan.internal.h"
#include "libc/sock/internal.h"
#include "libc/sock/sock.h"
#include "libc/sysv/errfuns.h"
@ -36,10 +38,15 @@
int getsockopt(int fd, int level, int optname, void *out_opt_optval,
uint32_t *out_optlen) {
int rc;
if (!level || !optname) {
rc = enoprotoopt(); /* our sysvconsts definition */
} else if (optname == -1) {
rc = 0; /* our sysvconsts definition */
} else if (IsAsan() && (out_opt_optval && out_optlen &&
(!__asan_is_valid(out_optlen, sizeof(uint32_t)) ||
!__asan_is_valid(out_opt_optval, *out_optlen)))) {
rc = efault();
} else if (!IsWindows()) {
rc = sys_getsockopt(fd, level, optname, out_opt_optval, out_optlen);
} else if (__isfdkind(fd, kFdSocket)) {
@ -48,7 +55,18 @@ int getsockopt(int fd, int level, int optname, void *out_opt_optval,
} else {
rc = ebadf();
}
STRACE("getsockopt(%d, %#x, %#x, %p, %p) → %d% lm", fd, level, optname,
out_opt_optval, out_optlen, rc);
#ifdef SYSDEBUG
if (out_opt_optval && out_optlen && rc != -1) {
STRACE("getsockopt(%d, %s, %s, [%#.*hhs], [%d]) → %d% lm", fd,
DescribeSockLevel(level), DescribeSockOptname(level, optname),
*out_optlen, out_opt_optval, *out_optlen, rc);
} else {
STRACE("getsockopt(%d, %s, %s, %p, %p) → %d% lm", fd,
DescribeSockLevel(level), DescribeSockOptname(level, optname),
out_opt_optval, out_optlen, rc);
}
#endif
return rc;
}