Skip to content

Support for files over 2GB on Windows #36

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ksss merged 4 commits into from
Sep 5, 2025
+54 −29
Merged

Support for files over 2GB on Windows #36

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
e406eb1
Support for files over 2GB on Windows
otegami Sep 3, 2025
34be575
Replace STAT_STRUCT macro with mrb_stat struct name
otegami Sep 3, 2025
e15ed5b
Use target_size directly in large file test for readability
otegami Sep 3, 2025
7a7009e
Use typedef instead of define for type aliasing
otegami Sep 4, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions mrbgem.rake
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ MRuby::Gem::Specification.new('mruby-file-stat') do |spec|
spec.license = 'MIT'
spec.author = 'ksss <co000ri@gmail.com>'
spec.add_dependency('mruby-time')
spec.add_test_dependency('mruby-io')

env = {
'CC' => "#{build.cc.command} #{build.cc.flags.join(' ')}",
Expand Down
67 changes: 38 additions & 29 deletions src/file-stat.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -101,11 +101,20 @@
# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif

#define STAT(p,s) stat(p,s)
#ifdef HAVE_LSTAT
# define LSTAT(p,s) lstat(p,s)
#if defined(_WIN32) || defined(_WIN64)
# define STAT(p,s) _stat64(p,s)
# define FSTAT(fd,s) _fstat64(fd,s)
# define LSTAT(p,s) _stat64(p,s)
typedef struct _stat64 mrb_stat;
#else
# define LSTAT(p,s) stat(p,s)
# define STAT(p,s) stat(p,s)
# define FSTAT(fd,s) fstat(fd,s)
# ifdef HAVE_LSTAT
# define LSTAT(p,s) lstat(p,s)
# else
# define LSTAT(p,s) stat(p,s)
# endif
typedef struct stat mrb_stat;
#endif
#define MRB_MAX_GROUPS (65536)

Expand Down Expand Up @@ -145,18 +154,18 @@ getegid(void)

struct mrb_data_type mrb_stat_type = { "File::Stat", mrb_free };

static struct stat *
static mrb_stat *
mrb_stat_alloc(mrb_state *mrb)
{
return (struct stat *)mrb_malloc(mrb, sizeof(struct stat));
return (mrb_stat *)mrb_malloc(mrb, sizeof(mrb_stat));
}

static mrb_value
file_s_lstat(mrb_state *mrb, mrb_value klass)
{
struct RClass *file_class;
struct RClass *stat_class;
struct stat st, *ptr;
mrb_stat st, *ptr;
mrb_value fname, tmp;
char *path;

Expand Down Expand Up @@ -190,7 +199,7 @@ file_s_lstat(mrb_state *mrb, mrb_value klass)
static mrb_value
stat_initialize(mrb_state *mrb, mrb_value self)
{
struct stat st, *ptr;
mrb_stat st, *ptr;
mrb_value fname, tmp;
char *path;

Expand All @@ -213,7 +222,7 @@ stat_initialize(mrb_state *mrb, mrb_value self)
}
}

ptr = (struct stat *)DATA_PTR(self);
ptr = (mrb_stat *)DATA_PTR(self);
if (ptr) {
mrb_free(mrb, ptr);
}
Expand Down Expand Up @@ -246,19 +255,19 @@ stat_initialize_copy(mrb_state *mrb, mrb_value copy)
}

if (DATA_PTR(orig)) {
DATA_PTR(copy) = mrb_malloc(mrb, sizeof(struct stat));
DATA_PTR(copy) = mrb_malloc(mrb, sizeof(mrb_stat));
DATA_TYPE(copy) = &mrb_stat_type;
*(struct stat *)DATA_PTR(copy) = *(struct stat *)DATA_PTR(orig);
*(mrb_stat *)DATA_PTR(copy) = *(mrb_stat *)DATA_PTR(orig);
}
return copy;
}

static struct stat *
static mrb_stat *
get_stat(mrb_state *mrb, mrb_value self)
{
struct stat *st;
mrb_stat *st;

st = (struct stat *)mrb_data_get_ptr(mrb, self, &mrb_stat_type);
st = (mrb_stat *)mrb_data_get_ptr(mrb, self, &mrb_stat_type);
if (!st) mrb_raise(mrb, E_TYPE_ERROR, "uninitialized File::Stat");
return st;
}
Expand All @@ -283,7 +292,7 @@ io_stat(mrb_state *mrb, mrb_value self)
{
struct RClass *file_class;
struct RClass *stat_class;
struct stat st, *ptr;
mrb_stat st, *ptr;
mrb_value fileno;

if (mrb_respond_to(mrb, self, mrb_intern_lit(mrb, "fileno"))) {
Expand All @@ -293,7 +302,7 @@ io_stat(mrb_state *mrb, mrb_value self)
mrb_raise(mrb, E_NOTIMP_ERROR, "`fileno' is not implemented");
}

if (fstat(mrb_fixnum(fileno), &st) == -1) {
if (FSTAT(mrb_fixnum(fileno), &st) == -1) {
mrb_sys_fail(mrb, "fstat");
}

Expand Down Expand Up @@ -394,7 +403,7 @@ time_at_with_sec_nsec(mrb_state *mrb, time_t sec, long nsec)
}

static struct timespec
stat_atimespec(const struct stat *st)
stat_atimespec(const mrb_stat *st)
{
struct timespec ts;
ts.tv_sec = st->st_atime;
Expand All @@ -418,7 +427,7 @@ stat_atime(mrb_state *mrb, mrb_value self)
}

static struct timespec
stat_mtimespec(const struct stat *st)
stat_mtimespec(const mrb_stat *st)
{
struct timespec ts;
ts.tv_sec = st->st_mtime;
Expand All @@ -442,7 +451,7 @@ stat_mtime(mrb_state *mrb, mrb_value self)
}

static struct timespec
stat_ctimespec(const struct stat *st)
stat_ctimespec(const mrb_stat *st)
{
struct timespec ts;
ts.tv_sec = st->st_ctime;
Expand All @@ -469,7 +478,7 @@ stat_ctime(mrb_state *mrb, mrb_value self)
static mrb_value
stat_birthtime(mrb_state *mrb, mrb_value self)
{
struct stat *st = get_stat(mrb, self);
mrb_stat *st = get_stat(mrb, self);
const struct timespec *ts = &st->st_birthtimespec;
return time_at_with_sec_nsec(mrb, ts->tv_sec, ts->tv_nsec);
}
Expand Down Expand Up @@ -564,7 +573,7 @@ stat_grpowned_p(mrb_state *mrb, mrb_value self)
static mrb_value
stat_readable_p(mrb_state *mrb, mrb_value self)
{
struct stat *st;
mrb_stat *st;
#ifdef USE_GETEUID
if (geteuid() == 0)
return mrb_true_value();
Expand All @@ -588,7 +597,7 @@ stat_readable_p(mrb_state *mrb, mrb_value self)
static mrb_value
stat_readable_real_p(mrb_state *mrb, mrb_value self)
{
struct stat *st;
mrb_stat *st;

#ifdef USE_GETEUID
if (getuid() == 0)
Expand All @@ -613,7 +622,7 @@ static mrb_value
stat_world_readable_p(mrb_state *mrb, mrb_value self)
{
#ifdef S_IROTH
struct stat *st = get_stat(mrb, self);
mrb_stat *st = get_stat(mrb, self);
if ((st->st_mode & (S_IROTH)) == S_IROTH) {
return mrb_fixnum_value(st->st_mode & (S_IRUGO|S_IWUGO|S_IXUGO));
}
Expand All @@ -629,7 +638,7 @@ stat_world_readable_p(mrb_state *mrb, mrb_value self)
static mrb_value
stat_writable_p(mrb_state *mrb, mrb_value self)
{
struct stat *st;
mrb_stat *st;

#ifdef USE_GETEUID
if (geteuid() == 0)
Expand All @@ -654,7 +663,7 @@ stat_writable_p(mrb_state *mrb, mrb_value self)
static mrb_value
stat_writable_real_p(mrb_state *mrb, mrb_value self)
{
struct stat *st;
mrb_stat *st;

#ifdef USE_GETEUID
if (getuid() == 0)
Expand All @@ -679,7 +688,7 @@ static mrb_value
stat_world_writable_p(mrb_state *mrb, mrb_value self)
{
#ifdef S_IWOTH
struct stat *st = get_stat(mrb, self);
mrb_stat *st = get_stat(mrb, self);
if ((st->st_mode & (S_IWOTH)) == S_IWOTH) {
return mrb_fixnum_value(st->st_mode & (S_IRUGO|S_IWUGO|S_IXUGO));
}
Expand All @@ -694,7 +703,7 @@ stat_world_writable_p(mrb_state *mrb, mrb_value self)
static mrb_value
stat_executable_p(mrb_state *mrb, mrb_value self)
{
struct stat *st = get_stat(mrb, self);
mrb_stat *st = get_stat(mrb, self);

#ifdef USE_GETEUID
if (geteuid() == 0) {
Expand All @@ -719,7 +728,7 @@ stat_executable_p(mrb_state *mrb, mrb_value self)
static mrb_value
stat_executable_real_p(mrb_state *mrb, mrb_value self)
{
struct stat *st = get_stat(mrb, self);
mrb_stat *st = get_stat(mrb, self);

#ifdef USE_GETEUID
if (getuid() == 0)
Expand Down Expand Up @@ -836,7 +845,7 @@ stat_sticky_p(mrb_state *mrb, mrb_value self)
static mrb_value
stat_ftype(mrb_state *mrb, mrb_value self)
{
struct stat *st = get_stat(mrb, self);
mrb_stat *st = get_stat(mrb, self);
const char *t;

if (S_ISREG(st->st_mode)) {
Expand Down
15 changes: 15 additions & 0 deletions test/file-stat.rb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -301,6 +301,21 @@ def chmod(mode, path)
assert_true 0 < stat.size?
end

assert 'File::Stat#size with large file (2GB)' do
large_file = "test_large_file.tmp"
target_size = 2**31 # 2GB
begin
File.open(large_file, 'wb') do |f|
f.seek(target_size - 1)
f.write("\0")
end
stat = File::Stat.new(large_file)
assert_equal target_size, stat.size
ensure
File.delete(large_file) if File.exist?(large_file)
end
end

assert 'File::Stat#owned?' do
stat = File::Stat.new('README.md')
assert_true stat.owned?
Expand Down
Loading