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Make fixes and improvements

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- Polyfill UTIME_OMIT on XNU
- Refactor Lua build code so it's better
- Add unix module to lua.com (Discord request)
- Add unix.utimensat() and unix.futimens() to redbean
- Avoid creating double slash path in linenoise (#428)
- Remove double slashes in NT paths automatically (#428)
- Make strerror() smarter about showing NT errors (#428)

Fixes #428
This commit is contained in:
Justine Tunney 2022-06-18 01:10:29 -07:00
parent 67b28b9af1
commit c1cfca8ae1
18 changed files with 569 additions and 194 deletions
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31
libc/calls/utimensat-xnu.c
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@ -17,6 +17,7 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/internal.h"
#include "libc/calls/struct/stat.h"
#include "libc/nexgen32e/nexgen32e.h"
#include "libc/sysv/consts/at.h"
#include "libc/sysv/consts/utime.h"
@ -26,21 +27,33 @@
int sys_utimensat_xnu(int dirfd, const char *path, const struct timespec ts[2],
int flags) {
int i;
struct stat st;
struct timeval now, tv[2];
if (flags) return einval();
if (!ts || ts[0].tv_nsec == UTIME_NOW || ts[1].tv_nsec == UTIME_NOW) {
gettimeofday(&now, NULL);
}
if (ts && (ts[0].tv_nsec == UTIME_NOW || ts[1].tv_nsec == UTIME_NOW)) {
if (fstatat(dirfd, path, &st, flags) == -1) return -1;
}
if (ts) {
for (i = 0; i < 2; ++i) {
if (ts[i].tv_nsec == UTIME_NOW) {
tv[i] = now;
} else if (ts[i].tv_nsec == UTIME_OMIT) {
return einval();
} else {
tv[i].tv_sec = ts[i].tv_sec;
tv[i].tv_usec = div1000int64(ts[i].tv_nsec);
}
if (ts[0].tv_nsec == UTIME_NOW) {
tv[0] = now;
} else if (ts[0].tv_nsec == UTIME_OMIT) {
tv[0].tv_sec = st.st_atim.tv_sec;
tv[0].tv_usec = div1000int64(st.st_atim.tv_nsec);
} else {
tv[0].tv_sec = ts[0].tv_sec;
tv[0].tv_usec = div1000int64(ts[0].tv_nsec);
}
if (ts[1].tv_nsec == UTIME_NOW) {
tv[1] = now;
} else if (ts[1].tv_nsec == UTIME_OMIT) {
tv[1].tv_sec = st.st_mtim.tv_sec;
tv[1].tv_usec = div1000int64(st.st_mtim.tv_nsec);
} else {
tv[1].tv_sec = ts[1].tv_sec;
tv[1].tv_usec = div1000int64(ts[1].tv_nsec);
}
} else {
tv[0] = now;