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-rw-r--r--stdlib/canonicalize.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/stdlib/canonicalize.c b/stdlib/canonicalize.c
index 4135f3f33c..390fb437a8 100644
--- a/stdlib/canonicalize.c
+++ b/stdlib/canonicalize.c
@@ -181,7 +181,7 @@ __realpath (const char *name, char *resolved)
 		extra_buf = __alloca (path_max);
 
 	      len = strlen (end);
-	      if ((long int) (n + len) >= path_max)
+	      if (path_max - n <= len)
 		{
 		  __set_errno (ENAMETOOLONG);
 		  goto error;