1 files changed, 89 insertions, 0 deletions
diff --git a/src/posix.c b/src/posix.c
new file mode 100644
index 0000000..0586715
--- /dev/null
+++ b/src/posix.c
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+/* 
+ * AUTHOR
+ * N. Nielsen
+ *
+ * LICENSE
+ * This software is in the public domain.
+ *
+ * The software is provided "as is", without warranty of any kind,
+ * express or implied, including but not limited to the warranties
+ * of merchantability, fitness for a particular purpose, and
+ * noninfringement. In no event shall the author(s) be liable for any
+ * claim, damages, or other liability, whether in an action of
+ * contract, tort, or otherwise, arising from, out of, or in connection
+ * with the software or the use or other dealings in the software.
+ * 
+ * SUPPORT
+ * Send bug reports to: <nielsen@memberwebs.com>
+ */
+
+
+#include "usuals.h"
+#include "ntfs.h"
+
+/* NOTE: This file assumes that FC_WIDE is off */
+
+/* The NTFS file time is a a 64-bit value representing the 
+   number of 100-nanosecond intervals since January 1, 1601 */
+
+/* The unix epoch in NTFS ft */
+#define UNIX_EPOCH    116444736000000000LL
+
+void ntfs_maketvs(uint64* ft, struct timeval* tv)
+{
+  /* Anything before the unix epoch is stupid */
+  if(*ft < UNIX_EPOCH)
+  {
+    tv->tv_sec = 0;
+    tv->tv_usec = 0;
+  }
+
+  /* Anything later than we can represent is a bummer */
+  else if(sizeof(tv->tv_sec) == 32)
+  {
+    tv->tv_sec = 0x7FFFFFFF;
+    tv->tv_usec = 0x7FFFFFFF;
+  }
+
+  /* Now convert the valid range of dates */
+  else
+  {
+    uint mod = (*ft % 1000000000);
+    tv->tv_sec = ((*ft - mod) / 1000000000);
+    tv->tv_usec = mod / 1000;
+  }
+};
+
+void setFileTime(fchar_t* filename, uint64* created, 
+                  uint64* accessed, uint64* modified)
+{
+  int r;
+  struct timeval tvs[2];
+  char* encoded;
+
+  ntfs_maketvs(accessed, tvs);
+  ntfs_maketvs(modified, tvs + 1);
+  if(utimes(filename, tvs) == -1)
+    warn("couldn't set file times on: %s", encoded);
+}
+
+void setFileAttributes(fchar_t* filename, uint32 flags)
+{
+  char* encoded;
+  struct stat st;
+
+  if(flags & kNTFS_FileReadOnly)
+  {
+    if(stat(filename, &st) == -1)
+    {
+      warn("couldn't read file status for: " FC_PRINTF, encoded);
+    }
+    else
+    {
+      if(chmod(filename, st.st_mode & ~(S_IWUSR | S_IWGRP | S_IOTH)) == -1)
+        warn("couldn't set file attributes for: " FC_PRINTF, encoded);
+    }
+  }
+}
+
+