Make improvements

- Invent openatemp() API
- Invent O_UNLINK open flag
- Introduce getenv_secure() API
- Remove `git pull` from cosmocc
- Fix utimes() when path is NULL
- Fix mktemp() to never return NULL
- Fix utimensat() UTIME_OMIT on XNU
- Improve utimensat() code for RHEL5
- Turn `argv[0]` C:/ to /C/ on Windows
- Introduce tmpnam() and tmpnam_r() APIs
- Fix more const issues with internal APIs
- Permit utimes() on WIN32 in O_RDONLY mode
- Fix fdopendir() to check fd is a directory
- Fix recent crash regression in landlock make
- Fix futimens(AT_FDCWD, NULL) to return EBADF
- Use workaround so `make -j` doesn't fork bomb
- Rename dontdiscard to __wur (just like glibc)
- Fix st_size for WIN32 symlinks containing UTF-8
- Introduce stdio ext APIs needed by GNU coreutils
- Fix lstat() on WIN32 for symlinks to directories
- Move some constants from normalize.inc to limits.h
- Fix segv with memchr() and memcmp() overlapping page
- Implement POSIX fflush() behavior for reader streams
- Implement AT_SYMLINK_NOFOLLOW for utimensat() on WIN32
- Don't change read-only status of existing files on WIN32
- Correctly handle `0x[^[:xdigit:]]` case in strtol() functions
This commit is contained in:
Justine Tunney 2023-09-06 03:54:42 -07:00
parent 8596e83cce
commit f531acc8f9
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
297 changed files with 1920 additions and 1681 deletions

View file

@ -34,14 +34,23 @@ int __fflush_impl(FILE *f) {
}
f->getln = 0;
}
if (f->beg && !f->end && (f->iomode & O_ACCMODE) != O_RDONLY) {
for (i = 0; i < f->beg; i += rc) {
if ((rc = write(f->fd, f->buf + i, f->beg - i)) == -1) {
if (f->fd != -1) {
if (f->beg && !f->end && (f->iomode & O_ACCMODE) != O_RDONLY) {
for (i = 0; i < f->beg; i += rc) {
if ((rc = write(f->fd, f->buf + i, f->beg - i)) == -1) {
f->state = errno;
return -1;
}
}
f->beg = 0;
}
if (f->beg < f->end && (f->iomode & O_ACCMODE) != O_WRONLY) {
if (lseek(f->fd, -(int)(f->end - f->beg), SEEK_CUR) == -1) {
f->state = errno;
return -1;
}
f->end = f->beg;
}
f->beg = 0;
}
return 0;
}