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-rw-r--r--libio/memstream.c85
1 files changed, 82 insertions, 3 deletions
diff --git a/libio/memstream.c b/libio/memstream.c
index 71aab2f6ea..840d0e6968 100644
--- a/libio/memstream.c
+++ b/libio/memstream.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -32,9 +32,11 @@ struct _IO_FILE_memstream
static int _IO_mem_sync __P ((_IO_FILE* fp));
static void _IO_mem_finish __P ((_IO_FILE* fp, int));
+static int _IO_wmem_sync __P ((_IO_FILE* fp));
+static void _IO_wmem_finish __P ((_IO_FILE* fp, int));
-static const struct _IO_jump_t _IO_mem_jumps =
+static struct _IO_jump_t _IO_mem_jumps =
{
JUMP_INIT_DUMMY,
JUMP_INIT (finish, _IO_mem_finish),
@@ -58,6 +60,30 @@ static const struct _IO_jump_t _IO_mem_jumps =
JUMP_INIT(imbue, _IO_default_imbue)
};
+static struct _IO_jump_t _IO_wmem_jumps =
+{
+ JUMP_INIT_DUMMY,
+ JUMP_INIT (finish, (_IO_finish_t) _IO_wmem_finish),
+ JUMP_INIT (overflow, (_IO_overflow_t) _IO_wstr_overflow),
+ JUMP_INIT (underflow, (_IO_underflow_t) _IO_wstr_underflow),
+ JUMP_INIT (uflow, (_IO_underflow_t) _IO_wdefault_uflow),
+ JUMP_INIT (pbackfail, (_IO_pbackfail_t) _IO_wstr_pbackfail),
+ JUMP_INIT (xsputn, (_IO_xsputn_t) _IO_wdefault_xsputn),
+ JUMP_INIT (xsgetn, (_IO_xsgetn_t) _IO_wdefault_xsgetn),
+ JUMP_INIT (seekoff, _IO_wstr_seekoff),
+ JUMP_INIT (seekpos, _IO_default_seekpos),
+ JUMP_INIT (setbuf, (_IO_setbuf_t) _IO_wdefault_setbuf),
+ JUMP_INIT (sync, (_IO_sync_t) _IO_wmem_sync),
+ JUMP_INIT (doallocate, _IO_wdefault_doallocate),
+ JUMP_INIT (read, _IO_default_read),
+ JUMP_INIT (write, _IO_default_write),
+ JUMP_INIT (seek, _IO_default_seek),
+ JUMP_INIT (close, _IO_default_close),
+ JUMP_INIT (stat, _IO_default_stat),
+ JUMP_INIT(showmanyc, _IO_default_showmanyc),
+ JUMP_INIT(imbue, _IO_default_imbue)
+};
+
/* Open a stream that writes into a malloc'd buffer that is expanded as
necessary. *BUFLOC and *SIZELOC are updated with the buffer's location
and the number of characters written on fflush or fclose. */
@@ -72,6 +98,7 @@ open_memstream (bufloc, sizeloc)
#ifdef _IO_MTSAFE_IO
_IO_lock_t lock;
#endif
+ struct _IO_wide_data wd;
} *new_f;
char *buf;
@@ -85,7 +112,7 @@ open_memstream (bufloc, sizeloc)
buf = malloc (_IO_BUFSIZ);
if (buf == NULL)
return NULL;
- _IO_init (&new_f->fp._sf._sbf._f, 0);
+ _IO_no_init (&new_f->fp._sf._sbf._f, 0, 0, &new_f->wd, &_IO_wmem_jumps);
_IO_JUMPS (&new_f->fp._sf._sbf._f) = &_IO_mem_jumps;
_IO_str_init_static (&new_f->fp._sf._sbf._f, buf, _IO_BUFSIZ, buf);
new_f->fp._sf._sbf._f._flags &= ~_IO_USER_BUF;
@@ -144,3 +171,55 @@ _IO_mem_finish (fp, dummy)
_IO_default_finish (fp, 0);
}
+
+
+static int
+_IO_wmem_sync (fp)
+ _IO_FILE* fp;
+{
+ struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
+ int res;
+
+ res = _IO_default_sync (fp);
+ if (res < 0)
+ return res;
+
+ if (fp->_wide_data->_IO_write_ptr == fp->_wide_data->_IO_write_end)
+ {
+ _IO_wstr_overflow (fp, L'\0');
+ --fp->_wide_data->_IO_write_ptr;
+ }
+ else
+ *fp->_wide_data->_IO_write_ptr = '\0';
+
+ *mp->bufloc = (char *) fp->_wide_data->_IO_write_base;
+ *mp->sizeloc = (fp->_wide_data->_IO_write_ptr
+ - fp->_wide_data->_IO_write_base);
+
+ return 0;
+}
+
+
+static void
+_IO_wmem_finish (fp, dummy)
+ _IO_FILE* fp;
+ int dummy;
+{
+ struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
+
+ *mp->bufloc = (char *) realloc (fp->_wide_data->_IO_write_base,
+ (fp->_wide_data->_IO_write_ptr
+ - fp->_wide_data->_IO_write_base + 1)
+ * sizeof (wchar_t));
+ if (*mp->bufloc != NULL)
+ {
+ ((wchar_t *) (*mp->bufloc))[fp->_wide_data->_IO_write_ptr
+ - fp->_wide_data->_IO_write_base] = '\0';
+ *mp->sizeloc = (fp->_wide_data->_IO_write_ptr
+ - fp->_wide_data->_IO_write_base);
+ }
+
+ fp->_wide_data->_IO_buf_base = NULL;
+
+ _IO_default_finish (fp, 0);
+}