From 4ba5be03d9fc6a6211b62c2b9805d28e9abdd97d Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@courtesan.com>
Date: Wed, 23 May 2012 11:14:41 -0400
Subject: [PATCH] iIf struct dirent has d_type, use it to avoid an extra
 stat().

--HG--
branch : 1.7
---
 config.h.in  |  3 +++
 configure    | 14 ++++++++++++++
 configure.in |  4 ++++
 sudoreplay.c |  6 ++++++
 4 files changed, 27 insertions(+)

diff --git a/config.h.in b/config.h.in
index e313da8e9..667a7fa55 100644
--- a/config.h.in
+++ b/config.h.in
@@ -516,6 +516,9 @@
 /* Define to 1 if you have the `strsignal' function. */
 #undef HAVE_STRSIGNAL
 
+/* Define to 1 if `d_type' is a member of `struct dirent'. */
+#undef HAVE_STRUCT_DIRENT_D_TYPE
+
 /* Define to 1 if the system has the type `struct in6_addr'. */
 #undef HAVE_STRUCT_IN6_ADDR
 
diff --git a/configure b/configure
index 35ac56592..a05f8b74e 100755
--- a/configure
+++ b/configure
@@ -17115,6 +17115,20 @@ rm -f core conftest.err conftest.$ac_objext \
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
+ac_fn_c_check_member "$LINENO" "struct dirent" "d_type" "ac_cv_member_struct_dirent_d_type" "
+$ac_includes_default
+#include <$ac_header_dirent>
+
+"
+if test "x$ac_cv_member_struct_dirent_d_type" = xyes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_DIRENT_D_TYPE 1
+_ACEOF
+
+
+fi
+
 if test -n "$NEED_SNPRINTF"; then
     case " $LIBOBJS " in
   *" snprintf.$ac_objext "* ) ;;
diff --git a/configure.in b/configure.in
index 46cb47834..1745afa85 100644
--- a/configure.in
+++ b/configure.in
@@ -2133,6 +2133,10 @@ dnl
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 #include <$ac_header_dirent>]], [[DIR *d; (void)dirfd(d);]])], [AC_DEFINE(HAVE_DIRFD)], [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 #include <$ac_header_dirent>]], [[DIR d; memset(&d, 0, sizeof(d)); return(d.dd_fd);]])], [AC_DEFINE(HAVE_DD_FD)], [])])
+AC_CHECK_MEMBERS([struct dirent.d_type], [], [], [
+AC_INCLUDES_DEFAULT
+#include <$ac_header_dirent>
+])
 dnl
 dnl If NEED_SNPRINTF is set, add snprintf.c to LIBOBJS
 dnl (it contains snprintf, vsnprintf, asprintf, and vasprintf)
diff --git a/sudoreplay.c b/sudoreplay.c
index 4fff1107d..019aa65d0 100644
--- a/sudoreplay.c
+++ b/sudoreplay.c
@@ -871,6 +871,10 @@ find_sessions(dir, re, user, tty)
 	if (dp->d_name[0] == '.' && (dp->d_name[1] == '\0' ||
 	    (dp->d_name[1] == '.' && dp->d_name[2] == '\0')))
 	    continue;
+#ifdef HAVE_STRUCT_DIRENT_D_TYPE
+	if (dp->d_type != DT_DIR)
+	    continue;
+#endif
 
 	/* Add name to session list. */
 	if (sessions_len + 1 > sessions_size) {
@@ -898,7 +902,9 @@ find_sessions(dir, re, user, tty)
 	} else {
 	    /* Strip off "/log" and recurse if a dir. */
 	    pathbuf[sdlen + len - 4] = '\0';
+#ifndef HAVE_STRUCT_DIRENT_D_TYPE
 	    if (lstat(pathbuf, &sb) == 0 && S_ISDIR(sb.st_mode))
+#endif
 		find_sessions(pathbuf, re, user, tty);
 	}
     }
-- 
2.50.1