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Merge pull request #9008 from verusferro/feat/libkernel-sys-fstat

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feat(libkernel_sys): implement fstat
This commit is contained in:
Dean authored and GitHub committed 2026-10-23 13:58:39 +13:00
2 parents 83462cc57d fa5fc8d5ac
commit 5d2eb583bf
3 files changed
+15 -5
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core/libs/prx/libkernel_sys/Export.Discovery.cpp
-5
View File
@@ -98,11 +98,6 @@ int APS5_VABI fchownat_nid_postfix(void) {
return 0;
}
int APS5_VABI fstat_nid_postfix(void) {
NotImplemented_nid_no_patch(__func__);
return 0;
}
int APS5_VABI futimesat_nid_postfix(void) {
NotImplemented_nid_no_patch(__func__);
return 0;
core/libs/prx/libkernel_sys/Export.cpp
+6
View File
@@ -274,6 +274,12 @@ int APS5_VABI fstatfs_nid_postfix(int d, void* buf) {
return _fstatfs_nid_postfix(d, buf);
}
std::int64_t APS5_VABI _fstat_nid_postfix(int d, FileStat* sb);
int APS5_VABI fstat_nid_postfix(int d, FileStat* sb) {
return static_cast<int>(_fstat_nid_postfix(d, sb));
}
std::int64_t APS5_VABI readlink_nid_postfix(const char* path, char* buffer, std::size_t size) {
if (size > static_cast<std::size_t>(std::numeric_limits<std::int64_t>::max())) return Fail(GuestEinval);
if (path == nullptr) return Fail(GuestEfault);
core/libs/tests/GuestKernelSys.cpp
+9
View File
@@ -30,6 +30,8 @@
extern "C" {
int APS5_VABI fstatfs_nid_postfix(int, void*);
int APS5_VABI _fstatfs_nid_postfix(int, void*);
int APS5_VABI fstat_nid_postfix(int, FileStat*);
std::int64_t APS5_VABI _fstat_nid_postfix(int, FileStat*);
int APS5_VABI open_nid_postfix(const char*, int, int);
int APS5_VABI close_nid_postfix(int);
int APS5_VABI pipe_nid_postfix(int*);
@@ -286,8 +288,15 @@ int main() {
Require(std::memcmp(viaPublic, viaSyscall, 4) == 0 && std::memcmp(viaPublic + 16, viaSyscall + 16, 8) == 0);
Require(std::memcmp(viaPublic + 280, viaSyscall + 280, 16) == 0);
Require(fstatfs_nid_postfix(descriptor, nullptr) == -1 && Error() == 14);
FileStat viaFstat{};
FileStat viaUnderscore{};
Require(fstat_nid_postfix(descriptor, &viaFstat) == 0 && _fstat_nid_postfix(descriptor, &viaUnderscore) == 0);
Require(std::memcmp(&viaFstat, &viaUnderscore, sizeof(FileStat)) == 0 && viaFstat.st_size == 1);
Require(fstat_nid_postfix(descriptor, nullptr) == -1 && Error() == 14);
Require(close_nid_postfix(descriptor) == 0);
Require(fstatfs_nid_postfix(-1, viaPublic) == -1 && Error() == 9);
Require(fstat_nid_postfix(descriptor, &viaFstat) == -1 && Error() == 9);
Require(fstat_nid_postfix(-1, &viaFstat) == -1 && Error() == 9);
char buffer[64];
for (const auto& component : {std::string("missing"), std::string("file.txt")}) {
const auto prefix = root.generic_string() + "/" + component + "/../";