openat*: use a static function with the different type and strong_alias_untyped

[uclinux-h8/uClibc.git] / include / libc-internal.h

diff --git a/include/libc-internal.h b/include/libc-internal.h
index 244dd55..b56068c 100644 (file)
--- a/include/libc-internal.h
+++ b/include/libc-internal.h
@@ -27,15 +27,18 @@
 # define attribute_relro
 #endif
 
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#ifdef __UCLIBC_HAS_TLS__
 # define attribute_tls_model_ie __attribute__ ((tls_model ("initial-exec")))
+#else
+# define attribute_tls_model_ie
+# define __thread
 #endif
 
 /* Pull in things like __attribute_used__ */
 #include <sys/cdefs.h>
 
 /* --- this is added to integrate linuxthreads */
-#define __USE_UNIX98            1
+/*#define __USE_UNIX98            1*/
 
 #ifndef __ASSEMBLER__
 # ifdef IS_IN_libc
@@ -44,8 +47,13 @@
 #  include <stddef.h>
 
 /* sources are built w/ _GNU_SOURCE, this gets undefined */
+#if defined __USE_XOPEN2K && !defined  __USE_GNU
+extern char *__glibc_strerror_r (int __errnum, char *__buf, size_t __buflen);
+libc_hidden_proto(__glibc_strerror_r)
+#else
 extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen);
-//extern char *__glibc_strerror_r (int __errnum, char *__buf, size_t __buflen);
+libc_hidden_proto(__xpg_strerror_r)
+#endif
 
 /* #include <pthread.h> */
 #  ifndef __UCLIBC_HAS_THREADS__
@@ -53,43 +61,34 @@ extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen);
 #   define __pthread_mutex_lock(mutex)                    ((void)0)
 #   define __pthread_mutex_trylock(mutex)                 ((void)0)
 #   define __pthread_mutex_unlock(mutex)                  ((void)0)
+#   define _pthread_cleanup_push_defer(mutex)             ((void)0)
+#   define _pthread_cleanup_pop_restore(mutex)            ((void)0)
 #  endif
 
 /* internal access to program name */
 extern const char *__uclibc_progname attribute_hidden;
 
-# endif /* IS_IN_libc */
+#  ifdef __UCLIBC_HAS_FORTIFY__
+extern void __chk_fail(void) attribute_noreturn;
+libc_hidden_proto(__chk_fail)
+#  endif
 
-/* #include <alloca.h> */
-#include <bits/stackinfo.h>
-#if _STACK_GROWS_DOWN
-# define extend_alloca(buf, len, newlen) \
-  (__typeof (buf)) ({ size_t __newlen = (newlen);                            \
-                     char *__newbuf = alloca (__newlen);                     \
-                     if (__newbuf + __newlen == (char *) buf)                \
-                       len += __newlen;                                      \
-                     else                                                    \
-                       len = __newlen;                                       \
-                     __newbuf; })
-#elif _STACK_GROWS_UP
-# define extend_alloca(buf, len, newlen) \
-  (__typeof (buf)) ({ size_t __newlen = (newlen);                            \
-                     char *__newbuf = alloca (__newlen);                     \
-                     char *__buf = (buf);                                    \
-                     if (__buf + __newlen == __newbuf)                       \
-                       {                                                     \
-                         len += __newlen;                                    \
-                         __newbuf = __buf;                                   \
-                       }                                                     \
-                     else                                                    \
-                       len = __newlen;                                       \
-                     __newbuf; })
-#else
-# warning unknown stack
-# define extend_alloca(buf, len, newlen) \
-  alloca (((len) = (newlen)))
-#endif
+#  ifdef __UCLIBC_HAS_SSP__
+extern void __stack_chk_fail(void) attribute_noreturn __cold;
+#  endif
+
+# endif /* IS_IN_libc */
 
 #endif /* __ASSEMBLER__ */
 
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+/* Some people like to build up uClibc with *-elf toolchains, so
+ * a little grease here until we drop '#ifdef __linux__' checks
+ * from our source code.
+ */
+#ifndef __linux__
+# define __linux__ 1
+#endif
+
 #endif /* _LIBC_INTERNAL_H */