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-rw-r--r--otherlibs/unix/stat.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/otherlibs/unix/stat.c b/otherlibs/unix/stat.c
index a0f1c04a8..db9150ad0 100644
--- a/otherlibs/unix/stat.c
+++ b/otherlibs/unix/stat.c
@@ -13,6 +13,7 @@
/* $Id$ */
+#include <errno.h>
#include <mlvalues.h>
#include <memory.h>
#include <alloc.h>
@@ -20,6 +21,7 @@
#include "cst2constr.h"
#include <sys/types.h>
#include <sys/stat.h>
+#include <io.h>
#ifndef S_IFLNK
#define S_IFLNK 0
@@ -34,6 +36,10 @@
#define S_IFBLK 0
#endif
+#ifndef EOVERFLOW
+#define EOVERFLOW ERANGE
+#endif
+
static int file_kind_table[] = {
S_IFREG, S_IFDIR, S_IFCHR, S_IFBLK, S_IFLNK, S_IFIFO, S_IFSOCK
};
@@ -71,6 +77,7 @@ CAMLprim value unix_stat(value path)
struct stat buf;
ret = stat(String_val(path), &buf);
if (ret == -1) uerror("stat", path);
+ if (buf.st_size > Max_long) unix_error(EOVERFLOW, "stat", path);
return stat_aux(&buf);
}
@@ -84,6 +91,7 @@ CAMLprim value unix_lstat(value path)
ret = stat(String_val(path), &buf);
#endif
if (ret == -1) uerror("lstat", path);
+ if (buf.st_size > Max_long) unix_error(EOVERFLOW, "lstat", path);
return stat_aux(&buf);
}
@@ -93,5 +101,65 @@ CAMLprim value unix_fstat(value fd)
struct stat buf;
ret = fstat(Int_val(fd), &buf);
if (ret == -1) uerror("fstat", Nothing);
+ if (buf.st_size > Max_long) unix_error(EOVERFLOW, "fstat", Nothing);
return stat_aux(&buf);
}
+
+static value stat_aux_64(struct stat *buf)
+{
+ value v;
+ value atime = Val_unit, mtime = Val_unit, ctime = Val_unit;
+
+ Begin_roots3(atime,mtime,ctime)
+ atime = copy_double((double) buf->st_atime);
+ mtime = copy_double((double) buf->st_mtime);
+ ctime = copy_double((double) buf->st_ctime);
+ v = alloc_small(12, 0);
+ Field (v, 0) = Val_int (buf->st_dev);
+ Field (v, 1) = Val_int (buf->st_ino);
+ Field (v, 2) = cst_to_constr(buf->st_mode & S_IFMT, file_kind_table,
+ sizeof(file_kind_table) / sizeof(int), 0);
+ Field (v, 3) = Val_int(buf->st_mode & 07777);
+ Field (v, 4) = Val_int (buf->st_nlink);
+ Field (v, 5) = Val_int (buf->st_uid);
+ Field (v, 6) = Val_int (buf->st_gid);
+ Field (v, 7) = Val_int (buf->st_rdev);
+ Field (v, 8) = Val_file_offset (buf->st_size);
+ Field (v, 9) = atime;
+ Field (v, 10) = mtime;
+ Field (v, 11) = ctime;
+ End_roots();
+ return v;
+}
+
+CAMLprim value unix_stat_64(value path)
+{
+ int ret;
+ struct stat buf;
+ ret = stat(String_val(path), &buf);
+ if (ret == -1) uerror("stat", path);
+ return stat_aux_64(&buf);
+}
+
+CAMLprim value unix_lstat_64(value path)
+{
+ int ret;
+ struct stat buf;
+#ifdef HAS_SYMLINK
+ ret = lstat(String_val(path), &buf);
+#else
+ ret = stat(String_val(path), &buf);
+#endif
+ if (ret == -1) uerror("lstat", path);
+ return stat_aux_64(&buf);
+}
+
+CAMLprim value unix_fstat_64(value fd)
+{
+ int ret;
+ struct stat buf;
+ ret = fstat(Int_val(fd), &buf);
+ if (ret == -1) uerror("fstat", Nothing);
+ return stat_aux_64(&buf);
+}
+