mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-06 03:08:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Refactor some code

Browse source 
- Write tests for cthreads
- Fix bugs in pe2.com tool
- Fix ASAN issue with GetDosEnviron()
- Consolidate the cthread header files
- Some code size optimizations for MODE=
- Attempted to squash a tls linker warning
- Attempted to get futexes working on FreeBSD
This commit is contained in:
Justine Tunney 2022-05-28 05:50:01 -07:00
parent 909e54510d
commit 425ff5dff0
61 changed files with 529 additions and 382 deletions
Download patch file Download diff file Expand all files Collapse all files

18
libc/calls/getcwd-xnu.greg.c
View file

@ -28,18 +28,28 @@
#define XNU_F_GETPATH 50
#define XNU_MAXPATHLEN 1024
static inline bool CopyString(char *d, const char *s, size_t n) {
size_t i;
for (i = 0; i < n; ++i) {
if (!(d[i] = s[i])) {
return true;
}
}
return false;
}
char *sys_getcwd_xnu(char *res, size_t size) {
int fd;
union metastat st[2];
char buf[XNU_MAXPATHLEN], *ret = NULL;
if ((fd = sys_openat(AT_FDCWD, ".", O_RDONLY | O_DIRECTORY, 0)) != -1) {
if (__sys_fstat(fd, &st[0]) != -1) {
if (METASTAT(st[0], st_dev) && METASTAT(st[0], st_ino)) {
if (st[0].xnu.st_dev && st[0].xnu.st_ino) {
if (__sys_fcntl(fd, XNU_F_GETPATH, (uintptr_t)buf) != -1) {
if (__sys_fstatat(AT_FDCWD, buf, &st[1], 0) != -1) {
if (METASTAT(st[0], st_dev) == METASTAT(st[1], st_dev) &&
METASTAT(st[0], st_ino) == METASTAT(st[1], st_ino)) {
if (memccpy(res, buf, '\0', size)) {
if (st[0].xnu.st_dev == st[1].xnu.st_dev &&
st[0].xnu.st_ino == st[1].xnu.st_ino) {
if (CopyString(res, buf, size)) {
ret = res;
} else {
erange();