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-rw-r--r--winsup/cygwin/dtable.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/winsup/cygwin/dtable.cc b/winsup/cygwin/dtable.cc
index 31b119871..c4a8333d5 100644
--- a/winsup/cygwin/dtable.cc
+++ b/winsup/cygwin/dtable.cc
@@ -848,7 +848,7 @@ handle_to_fn (HANDLE h, char *posix_fn)
ntfn->Name.Buffer[ntfn->Name.Length / sizeof (WCHAR)] = 0;
char win32_fn[CYG_MAX_PATH + 100];
- sys_wcstombs (win32_fn, ntfn->Name.Buffer, ntfn->Name.Length);
+ sys_wcstombs (win32_fn, CYG_MAX_PATH + 100, ntfn->Name.Buffer);
debug_printf ("nt name '%s'", win32_fn);
if (!strncasematch (win32_fn, DEVICE_PREFIX, DEVICE_PREFIX_LEN)
|| !QueryDosDevice (NULL, fnbuf, sizeof (fnbuf)))