perror: fix POSIX compliance and work with recent newlib change

* cygtls.h (strerror_r_buf): New buffer.
* errno.cc (strerror): Move guts...
(_strerror_r): ...to new function demanded by newlib.
(strerror_r): Don't clobber strerror buffer.
(_user_strerror): Drop unused declaration.
* tlsoffsets.h: Regenerate.

1 files changed, 41 insertions, 41 deletions

diff --git a/winsup/cygwin/tlsoffsets.h b/winsup/cygwin/tlsoffsets.h
index 4e459dfdb..3ef7963c7 100644
--- a/winsup/cygwin/tlsoffsets.h
+++ b/winsup/cygwin/tlsoffsets.h
@@ -1,6 +1,6 @@
 //;# autogenerated:  Do not edit.
 
-//; $tls::sizeof__cygtls = 3984;
+//; $tls::sizeof__cygtls = 4012;
 //; $tls::func = -12700;
 //; $tls::pfunc = 0;
 //; $tls::saved_errno = -12696;
@@ -37,26 +37,26 @@
 //; $tls::p__dontuse = 412;
 //; $tls::locals = -11200;
 //; $tls::plocals = 1500;
-//; $tls::_ctinfo = -9800;
-//; $tls::p_ctinfo = 2900;
-//; $tls::andreas = -9796;
-//; $tls::pandreas = 2904;
-//; $tls::wq = -9792;
-//; $tls::pwq = 2908;
-//; $tls::sig = -9764;
-//; $tls::psig = 2936;
-//; $tls::incyg = -9760;
-//; $tls::pincyg = 2940;
-//; $tls::spinning = -9756;
-//; $tls::pspinning = 2944;
-//; $tls::stacklock = -9752;
-//; $tls::pstacklock = 2948;
-//; $tls::stackptr = -9748;
-//; $tls::pstackptr = 2952;
-//; $tls::stack = -9744;
-//; $tls::pstack = 2956;
-//; $tls::initialized = -8720;
-//; $tls::pinitialized = 3980;
+//; $tls::_ctinfo = -9772;
+//; $tls::p_ctinfo = 2928;
+//; $tls::andreas = -9768;
+//; $tls::pandreas = 2932;
+//; $tls::wq = -9764;
+//; $tls::pwq = 2936;
+//; $tls::sig = -9736;
+//; $tls::psig = 2964;
+//; $tls::incyg = -9732;
+//; $tls::pincyg = 2968;
+//; $tls::spinning = -9728;
+//; $tls::pspinning = 2972;
+//; $tls::stacklock = -9724;
+//; $tls::pstacklock = 2976;
+//; $tls::stackptr = -9720;
+//; $tls::pstackptr = 2980;
+//; $tls::stack = -9716;
+//; $tls::pstack = 2984;
+//; $tls::initialized = -8692;
+//; $tls::pinitialized = 4008;
 //; __DATA__
 
 #define tls_func (-12700)
@@ -95,23 +95,23 @@
 #define tls_p__dontuse (412)
 #define tls_locals (-11200)
 #define tls_plocals (1500)
-#define tls__ctinfo (-9800)
-#define tls_p_ctinfo (2900)
-#define tls_andreas (-9796)
-#define tls_pandreas (2904)
-#define tls_wq (-9792)
-#define tls_pwq (2908)
-#define tls_sig (-9764)
-#define tls_psig (2936)
-#define tls_incyg (-9760)
-#define tls_pincyg (2940)
-#define tls_spinning (-9756)
-#define tls_pspinning (2944)
-#define tls_stacklock (-9752)
-#define tls_pstacklock (2948)
-#define tls_stackptr (-9748)
-#define tls_pstackptr (2952)
-#define tls_stack (-9744)
-#define tls_pstack (2956)
-#define tls_initialized (-8720)
-#define tls_pinitialized (3980)
+#define tls__ctinfo (-9772)
+#define tls_p_ctinfo (2928)
+#define tls_andreas (-9768)
+#define tls_pandreas (2932)
+#define tls_wq (-9764)
+#define tls_pwq (2936)
+#define tls_sig (-9736)
+#define tls_psig (2964)
+#define tls_incyg (-9732)
+#define tls_pincyg (2968)
+#define tls_spinning (-9728)
+#define tls_pspinning (2972)
+#define tls_stacklock (-9724)
+#define tls_pstacklock (2976)
+#define tls_stackptr (-9720)
+#define tls_pstackptr (2980)
+#define tls_stack (-9716)
+#define tls_pstack (2984)
+#define tls_initialized (-8692)
+#define tls_pinitialized (4008)