My version of Wesley W. Terpstra's patch.

diff --git a/osx-create-time.diff b/osx-create-time.diff
new file mode 100644 (file)
index 0000000..c490ef8
--- /dev/null
+++ b/osx-create-time.diff
@@ -0,0 +1,120 @@
+This patch handles the creation time on OS X by putting it into an
+extended attribute.  This is a modified version of a patch that was
+provided by Wesley W. Terpstra.
+
+To use this patch, run these commands for a successful build:
+
+    patch -p1 <patches/osx-create-time.diff
+    ./configure                                 (optional if already run)
+    make
+
+--- old/lib/sysxattrs.c
++++ new/lib/sysxattrs.c
+@@ -52,29 +52,106 @@ ssize_t sys_llistxattr(const char *path,
+ 
+ #elif HAVE_OSX_XATTRS
+ 
++#include <sys/attr.h>
++
++#define CRTIME_XATTR "com.apple.crtime96"
++#define IS_CRTIME(name) (*(name) == *CRTIME_XATTR && strcmp(name, CRTIME_XATTR) == 0)
++#define CRTIME_XATTR_LEN (8+4)
++
++struct CreationTime {
++      unsigned long length;
++      struct timespec date;
++};
++
++static ssize_t getCreationTime(const char *path, char *buf, size_t size)
++{
++      struct attrlist attrList;
++      struct CreationTime attrBuf;
++
++      if (buf == NULL)
++              return CRTIME_XATTR_LEN;
++      if (size < CRTIME_XATTR_LEN)
++              return -1; /* Doesn't happen with rsync code... */
++
++      memset(&attrList, 0, sizeof attrList);
++      attrList.bitmapcount = ATTR_BIT_MAP_COUNT;
++      attrList.commonattr = ATTR_CMN_CRTIME;
++      if (getattrlist(path, &attrList, &attrBuf, sizeof attrBuf, XATTR_NOFOLLOW) < 0)
++              return -1;
++
++      SIVAL(buf, 0, attrBuf.date.tv_sec);
++#if SIZEOF_TIME_T > 4
++      SIVAL(buf, 4, attrBuf.date.tv_sec >> 32);
++#else
++      SIVAL(buf, 4, 0);
++#endif
++      SIVAL(buf, 8, attrBuf.date.tv_nsec);
++
++      return CRTIME_XATTR_LEN;
++}
++
++static int setCreationTime(const char *path, const char *buf, size_t size)
++{
++      struct attrlist attrList;
++      struct timespec date;
++
++      if (size != CRTIME_XATTR_LEN)
++              return -1;
++
++      date.tv_sec = IVAL(buf, 0);
++#if SIZEOF_TIME_T > 4
++      date.tv_sec += (time_t)IVAL(buf, 4) << 32;
++#endif
++      date.tv_nsec = IVAL(buf, 8);
++
++      memset(&attrList, 0, sizeof attrList);
++      attrList.bitmapcount = ATTR_BIT_MAP_COUNT;
++      attrList.commonattr = ATTR_CMN_CRTIME;
++      return setattrlist(path, &attrList, &date, sizeof date, XATTR_NOFOLLOW);
++}
++
+ ssize_t sys_lgetxattr(const char *path, const char *name, void *value, size_t size)
+ {
++      if (IS_CRTIME(name))
++              return getCreationTime(path, value, size);
+       return getxattr(path, name, value, size, 0, XATTR_NOFOLLOW);
+ }
+ 
+ ssize_t sys_fgetxattr(int filedes, const char *name, void *value, size_t size)
+ {
++      /* XXX Figure out how to get creation date from an open filedes? */
+       return fgetxattr(filedes, name, value, size, 0, 0);
+ }
+ 
+ int sys_lsetxattr(const char *path, const char *name, const void *value, size_t size)
+ {
++      if (IS_CRTIME(name))
++              return setCreationTime(path, value, size);
+       return setxattr(path, name, value, size, 0, XATTR_NOFOLLOW);
+ }
+ 
+ int sys_lremovexattr(const char *path, const char *name)
+ {
++      /* Every file on hfs+ has this; you can't remove it... */
++      if (IS_CRTIME(name))
++              return 0;
+       return removexattr(path, name, XATTR_NOFOLLOW);
+ }
+ 
+ ssize_t sys_llistxattr(const char *path, char *list, size_t size)
+ {
+-      return listxattr(path, list, size, XATTR_NOFOLLOW);
++      ssize_t ret = listxattr(path, list, size, XATTR_NOFOLLOW);
++      if (ret < 0)
++              return ret;
++      ret += sizeof CRTIME_XATTR;
++      if (list) {
++              if ((size_t)ret > size) {
++                      errno = ERANGE;
++                      return -1;
++              }
++              memcpy(list + ret - sizeof CRTIME_XATTR, CRTIME_XATTR, sizeof CRTIME_XATTR);
++      }
++      return ret;
+ }
+ 
+ #elif HAVE_FREEBSD_XATTRS