ffi: conv between strings and char/wchar_t arrays.

* ffi.c (struct txr_ffi_type): New bitfield members
char_conv, wchar_conv.
(ffi_array_put): Check char_conv and wchar_conv flags
and perform conversion to string, watching out for the
presence or absence of null termination.
(ffi_type_compile): When compiling array, check for the
str and wstr element type, and set the flags.

* utf8.c (ut8f_dup_from_buf): New function.

* utf8.c (ut8f_dup_from_buf): Declared.

1 files changed, 1 insertions, 0 deletions

diff --git a/utf8.h b/utf8.h
index 3be8ee5f..2d253fae 100644
--- a/utf8.h
+++ b/utf8.h
@@ -30,6 +30,7 @@ size_t utf8_from(wchar_t *, const char *);
 size_t utf8_to_buf(unsigned char *dst, const wchar_t *wsrc, int null_term);
 size_t utf8_to(char *, const wchar_t *);
 wchar_t *utf8_dup_from(const char *);
+wchar_t *utf8_dup_from_buf(const char *str, size_t size);
 char *utf8_dup_to(const wchar_t *);
 unsigned char *utf8_dup_to_buf(const wchar_t *, size_t *pnbytes,
                                int null_term);