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Add MODE=optlinux build mode (#141)

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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
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26
libc/calls/isdirectory.c
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@ -21,6 +21,7 @@
#include "libc/calls/internal.h"
#include "libc/calls/struct/metastat.internal.h"
#include "libc/calls/struct/stat.h"
#include "libc/calls/sysdebug.internal.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/intrin/asan.internal.h"
@ -43,29 +44,34 @@
* @see isregularfile(), issymlink(), ischardev()
*/
bool isdirectory(const char *path) {
int rc, e;
int e;
bool res;
union metastat st;
struct ZiposUri zipname;
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 S_ISDIR(st.cosmo.st_mode);
res = S_ISDIR(st.cosmo.st_mode);
} 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, AT_SYMLINK_NOFOLLOW) != -1) {
return S_ISDIR(METASTAT(st, st_mode));
res = S_ISDIR(METASTAT(st, st_mode));
} else {
errno = e;
return false;
res = false;
}
} else {
return isdirectory_nt(path);
res = isdirectory_nt(path);
}
SYSDEBUG("isdirectory(%s) -> %s %s", path, res ? "true" : "false",
res ? "" : strerror(errno));
if (!res && (errno == ENOENT || errno == ENOTDIR)) {
errno = e;
}
return res;
}