mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-28 00:02:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Add MODE=optlinux build mode (#141)

Browse source
This commit is contained in:
Justine Tunney 2021-10-14 19:36:49 -07:00
parent 226aaf3547
commit 67b5200a0b
111 changed files with 934 additions and 854 deletions
Download patch file Download diff file Expand all files Collapse all files

27
libc/calls/fileexists.c
View file

@ -44,30 +44,35 @@
*/
bool fileexists(const char *path) {
int e;
bool res;
union metastat st;
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) {
e = errno;
if (weaken(__zipos_stat)(&zipname, &st.cosmo) != -1) {
return true;
res = true;
} else {
errno = e;
return false;
res = false;
}
} else if (IsMetal()) {
return false;
res = false;
} else if (!IsWindows()) {
e = errno;
if (__sys_fstatat(AT_FDCWD, path, &st, 0) != -1) {
return true;
res = true;
} else {
errno = e;
return false;
res = false;
}
} else if (__mkntpath(path, path16) != -1) {
res = GetFileAttributes(path16) != -1u;
} else {
if (__mkntpath(path, path16) == -1) return -1;
return GetFileAttributes(path16) != -1u;
res = false;
}
SYSDEBUG("fileexists(%s) -> %s %s", path, res ? "true" : "false",
res ? "" : strerror(errno));
if (!res && (errno == ENOENT || errno == ENOTDIR)) {
errno = e;
}
return res;
}