do not provide /usr/lib/locale

[platform/upstream/glibc.git] / include / alloca.h

diff --git a/include/alloca.h b/include/alloca.h
index 8350413..f741d25 100644 (file)
--- a/include/alloca.h
+++ b/include/alloca.h
@@ -20,9 +20,13 @@ libc_hidden_proto (__libc_alloca_cutoff)
 
 #include <allocalim.h>
 
+#ifndef stackinfo_alloca_round
+# define stackinfo_alloca_round(l) (((l) + 15) & -16)
+#endif
+
 #if _STACK_GROWS_DOWN
 # define extend_alloca(buf, len, newlen) \
-  (__typeof (buf)) ({ size_t __newlen = (newlen);                            \
+  (__typeof (buf)) ({ size_t __newlen = stackinfo_alloca_round (newlen);      \
                      char *__newbuf = __alloca (__newlen);                   \
                      if (__newbuf + __newlen == (char *) buf)                \
                        len += __newlen;                                      \
@@ -31,10 +35,10 @@ libc_hidden_proto (__libc_alloca_cutoff)
                      __newbuf; })
 #elif _STACK_GROWS_UP
 # define extend_alloca(buf, len, newlen) \
-  (__typeof (buf)) ({ size_t __newlen = (newlen);                            \
+  (__typeof (buf)) ({ size_t __newlen = stackinfo_alloca_round (newlen);      \
                      char *__newbuf = __alloca (__newlen);                   \
                      char *__buf = (buf);                                    \
-                     if (__buf + __newlen == __newbuf)                       \
+                     if (__buf + len == __newbuf)                            \
                        {                                                     \
                          len += __newlen;                                    \
                          __newbuf = __buf;                                   \