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Make important improvements

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- Fix preadv() and pwritev() for old distros
- Introduce _npassert() and _unassert() macros
- Prove that file locks work properly on Windows
- Support fcntl(F_DUPFD_CLOEXEC) on more systems
This commit is contained in:
Justine Tunney 2022-09-14 21:29:50 -07:00
parent 1ad2f530f9
commit 3f49889841
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GPG key ID: BE714B4575D6E328
130 changed files with 1225 additions and 431 deletions
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2
libc/stdio/fdopen.c
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@ -38,7 +38,7 @@ FILE *fdopen(int fd, const char *mode) {
f->fd = fd;
f->bufmode = ischardev(fd) ? _IOLBF : _IOFBF;
f->iomode = fopenflags(mode);
f->lock._type = PTHREAD_MUTEX_RECURSIVE;
((pthread_mutex_t *)f->lock)->_type = PTHREAD_MUTEX_RECURSIVE;
f->size = BUFSIZ;
if ((f->buf = malloc(f->size))) {
if ((f->iomode & O_ACCMODE) != O_RDONLY) {