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authorMattias Andrée <maandree@operamail.com>2015-08-31 02:47:48 +0200
committerMattias Andrée <maandree@operamail.com>2015-08-31 02:47:48 +0200
commitee4418a834752ebb1ad74c6a08efe6f7996d8609 (patch)
tree31401aa04810bcdd7665b3599f61fddabf3d061e /include/bits
parenttypo (diff)
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wchar_t and wint_t not safe for marshalling
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r--include/bits/types.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/bits/types.h b/include/bits/types.h
index d0d492c..ef64df2 100644
--- a/include/bits/types.h
+++ b/include/bits/types.h
@@ -63,6 +63,11 @@ typedef unsigned long int uptrdiff_t;
*
* 32 bits should be sufficient (long is at least 32
* bits), but why limit further than POSIX does.
+ *
+ * `wchar_t` is not safe for data serialisation/marshalling;
+ * it is implementation specific and may depend on the
+ * libc implementation, the version of the libc implementation,
+ * and the microarchitecture.
*/
#if defined(__NEED_wchar_t) && !defined(__DEFINED_wchar_t)
# define __DEFINED_wchar_t
@@ -73,6 +78,11 @@ typedef long int wchar_t;
/**
* Variant of `wchar_t` that can hold the value of `WEOF`.
+ *
+ * `wint_t` is not safe for data serialisation/marshalling;
+ * it is implementation specific and may depend on the
+ * libc implementation, the version of the libc implementation,
+ * and the microarchitecture.
*/
#if defined(__NEED_wint_t) && !defined(__DEFINED_wint_t)
# define __DEFINED_wint_t