Constants for symlink loops

diff --git a/include/limits.h b/include/limits.h
index ad261aecbfdde585320bf5444f250105c10462b9..9ad60f72d16a974cf7006f62bca00df468b6d266 100755 (executable)
--- a/include/limits.h
+++ b/include/limits.h
@@ -55,6 +55,10 @@
 #define _POSIX_STREAM_MAX    8 /* at least 8 FILEs can be open at once */
 #define _POSIX_TZNAME_MAX    3 /* time zone names can be at least 3 chars */
 #define _POSIX_SSIZE_MAX 32767 /* read() must support 32767 byte reads */
+#define _POSIX_SYMLOOP_MAX   8 /* The number of symbolic links that can be
+                                * traversed in the resolution of a pathname
+                                * in the absence of a loop.
+                                */
 
 /* Values actually implemented by MINIX (Tables 2-4, 2-5, 2-6, and 2-7). */
 /* Some of these old names had better be defined when not POSIX. */
@@ -81,6 +85,10 @@
 #define STREAM_MAX          20 /* must be the same as FOPEN_MAX in stdio.h */
 #define TZNAME_MAX           3 /* maximum bytes in a time zone name is 3 */
 #define SSIZE_MAX        32767 /* max defined byte count for read() */
+#define SYMLOOP_MAX        16  /* maximum number of symbolic links that can
+                                * be reliably traversed in the resolution of
+                                * a pathname in the absence of a loop.
+                                */
 
 #endif /* _POSIX_SOURCE */