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Polish recent changes and make improvements

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- Simulate SIGPIPE on Windows NT
- Fix commandv() regression on Windows NT
- Fix sigprocmask() strace bug on OpenBSD
- Add many more system calls to --strace logging
- Make errno state more pristine in redbean strace
This commit is contained in:
Justine Tunney 2022-03-19 03:37:00 -07:00
parent 10a766ebd0
commit 39688a73e4
69 changed files with 460 additions and 1976 deletions
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10
libc/calls/fileexists.c
View file

@ -19,6 +19,7 @@
#include "libc/bits/weaken.h"
#include "libc/calls/calls.h"
#include "libc/calls/internal.h"
#include "libc/calls/strace.internal.h"
#include "libc/calls/struct/metastat.internal.h"
#include "libc/calls/struct/stat.h"
#include "libc/dce.h"
@ -49,8 +50,11 @@ bool fileexists(const char *path) {
struct ZiposUri zipname;
uint16_t path16[PATH_MAX];
e = errno;
if (IsAsan() && !__asan_is_valid(path, 1)) return efault();
if (weaken(__zipos_open) && weaken(__zipos_parseuri)(path, &zipname) != -1) {
if (IsAsan() && !__asan_is_valid(path, 1)) {
efault();
res = false;
} else if (weaken(__zipos_open) &&
weaken(__zipos_parseuri)(path, &zipname) != -1) {
if (weaken(__zipos_stat)(&zipname, &st.cosmo) != -1) {
res = true;
} else {
@ -69,7 +73,7 @@ bool fileexists(const char *path) {
} else {
res = false;
}
STRACE("fileexists(%#s) → %hhhd% m", path, res);
STRACE("%s(%#s) → %hhhd% m", "fileexists", path, res);
if (!res && (errno == ENOENT || errno == ENOTDIR)) {
errno = e;
}