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- Introduce ualarm() function
- Make rename() report EISEMPTY on Windows
- Always raise EINVAL upon open(O_RDONLY|O_TRUNC)
- Add macro so ./configure will detect SOCK_CLOEXEC
- Fix O_TRUNC without O_CREAT not working on Windows
- Let fcntl(F_SETFL) change O_APPEND status on Windows
- Make sure pwrite() / pread() report ESPIPE on sockets
- Raise ESPIPE on Windows when pwrite() is used on pipe
- Properly compute O_APPEND CreateFile() flags on Windows
- Don't require O_DIRECTORY to open directories on Windows
- Fix more instances of Windows reporting EISDIR and ENOTDIR
- Normalize EFTYPE and EMLINK to ELOOP on NetBSD and FreeBSD
- Make unlink() / rmdir() work on read-only files on Windows
- Validate UTF-8 on Windows paths to fix bug with overlong NUL
- Always print signal name to stderr when crashing due to SIG_DFL
- Fix Windows bug where denormalized paths >260 chars didn't work
- Block signals on BSDs when thread exits before trashing its own stack
This commit is contained in:
Justine Tunney 2023-08-21 02:28:24 -07:00
parent ec957491ea
commit ebf784d4f5
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GPG key ID: BE714B4575D6E328
76 changed files with 1019 additions and 568 deletions
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16
libc/calls/createfileflags.c
View file

@ -35,7 +35,7 @@
#define _O_DIRECTORY 0x00010000 // kNtFileFlagBackupSemantics
#define _O_TMPFILE 0x00410000 // AttributeTemporary|FlagDeleteOnClose
#define _O_DIRECT 0x00004000 // kNtFileFlagNoBuffering
#define _O_NONBLOCK 0x00000800 // kNtFileFlagWriteThrough
#define _O_NONBLOCK 0x00000800 // kNtFileFlagWriteThrough (not sent to win32)
#define _O_RANDOM 0x80000000 // kNtFileFlagRandomAccess
#define _O_SEQUENTIAL 0x40000000 // kNtFileFlagSequentialScan
#define _O_COMPRESSED 0x20000000 // kNtFileAttributeCompressed
@ -62,16 +62,22 @@ textwindows int GetNtOpenFlags(int flags, int mode, uint32_t *out_perm,
break;
case O_WRONLY:
perm = kNtFileGenericWrite;
if (flags & _O_APPEND) {
// kNtFileAppendData is already present in kNtFileGenericWrite.
// WIN32 wont act on append access when write is already there.
perm = kNtFileAppendData;
}
break;
case O_RDWR:
perm = kNtFileGenericRead | kNtFileGenericWrite;
if (flags & _O_APPEND) {
perm = kNtFileGenericRead | kNtFileAppendData;
} else {
perm = kNtFileGenericRead | kNtFileGenericWrite;
}
break;
default:
return einval();
}
if (flags & _O_APPEND) {
perm = kNtFileAppendData; // todo: this is part of generic write above
}
attr = 0;
is_creating_file = (flags & _O_CREAT) || (flags & _O_TMPFILE) == _O_TMPFILE;