* dir.cc (mkdir): Check for case clash.

        * environ.cc: Add extern declaration for `pcheck_case'.
        (check_case_init): New function.
        (struct parse_thing): Add "check_case" option.
        * errno.cc (_sys_nerrlist): Add text for ECASECLASH.
        (strerror): Add case branch for ECASECLASH.
        * fhandler.cc (fhandler_disk_file::open): Check for case clash.
        * path.cc: Add global variable `pcheck_case'.
        (struct symlink_info): Add member `case_clash' and method `case_check'.
        (path_prefix_p_): Call `pathnmatch' instead of `strncasematch'.
        (pathnmatch): New funtion.
        (pathmatch): Ditto.
        (path_conv::check): Add handling for case checking.
        (symlink): Check for case clash.
        (symlink_info::check): Add parameter for case checking.
        Handle case checking.
        (symlink_info::case_check): New method.
        (chdir): Don't use unconverted path if pcheck_case==PCHECK_STRICT.
        * path.h: Add extern declarations for `pathmatch' and
        `pathnmatch'.
        (enum case_checking): New enumeration type describing
        the case checking behaviour of path conversion routines.
        (class path_conv): Add member `case_clash'.
        * syscalls.cc (_link): Check for case clash.

1 files changed, 5 insertions, 1 deletions

diff --git a/winsup/cygwin/errno.cc b/winsup/cygwin/errno.cc
index c7b491cb4..3a4026077 100644
--- a/winsup/cygwin/errno.cc
+++ b/winsup/cygwin/errno.cc
@@ -283,7 +283,8 @@ extern const char __declspec(dllexport) * const _sys_errlist[]=
 /* ESTALE 133 */ "Stale NFS file handle",
 /* ENOTSUP 134 */   "134",
 /* ENOMEDIUM 135 */ "no medium",
-/* ENOSHARE 136 */   "No such host or network path"
+/* ENOSHARE 136 */   "No such host or network path",
+/* ECASECLASH 137 */ "Filename exists with different case"
 };
 
 int __declspec(dllexport) _sys_nerr =
@@ -659,6 +660,9 @@ strerror (int errnum)
     case ENOSHARE:
       error = "No such host or network path";
       break;
+    case ECASECLASH:
+      error = "Filename exists with different case";
+      break;
     default:
 #ifdef _MT_SAFE
       char *buf= _reent_winsup()->_strerror_buf;