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Diffstat (limited to 'argp/argp-fmtstream.c')
-rw-r--r--argp/argp-fmtstream.c60
1 files changed, 49 insertions, 11 deletions
diff --git a/argp/argp-fmtstream.c b/argp/argp-fmtstream.c
index 9c029c265a..fca89a382d 100644
--- a/argp/argp-fmtstream.c
+++ b/argp/argp-fmtstream.c
@@ -1,5 +1,5 @@
/* Word-wrapping and line-truncating streams
- Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Miles Bader <miles@gnu.ai.mit.edu>.
@@ -41,6 +41,7 @@
#endif
#if defined _LIBC && defined USE_IN_LIBIO
+# include <wchar.h>
# include <libio/libioP.h>
# define __vsnprintf(s, l, f, a) _IO_vsnprintf (s, l, f, a)
#endif
@@ -58,8 +59,10 @@ argp_fmtstream_t
__argp_make_fmtstream (FILE *stream,
size_t lmargin, size_t rmargin, ssize_t wmargin)
{
- argp_fmtstream_t fs = malloc (sizeof (struct argp_fmtstream));
- if (fs)
+ argp_fmtstream_t fs;
+
+ fs = (struct argp_fmtstream *) malloc (sizeof (struct argp_fmtstream));
+ if (fs != NULL)
{
fs->stream = stream;
@@ -69,7 +72,7 @@ __argp_make_fmtstream (FILE *stream,
fs->point_col = 0;
fs->point_offs = 0;
- fs->buf = malloc (INIT_BUF_SIZE);
+ fs->buf = (char *) malloc (INIT_BUF_SIZE);
if (! fs->buf)
{
free (fs);
@@ -94,7 +97,14 @@ __argp_fmtstream_free (argp_fmtstream_t fs)
{
__argp_fmtstream_update (fs);
if (fs->p > fs->buf)
- fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
+ {
+#ifdef USE_IN_LIBIO
+ if (_IO_fwide (fs->stream, 0) > 0)
+ fwprintf (fs->stream, L"%.*s", (int) (fs->p - fs->buf), fs->buf);
+ else
+#endif
+ fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
+ }
free (fs->buf);
free (fs);
}
@@ -134,7 +144,14 @@ __argp_fmtstream_update (argp_fmtstream_t fs)
/* No buffer space for spaces. Must flush. */
size_t i;
for (i = 0; i < pad; i++)
- putc_unlocked (' ', fs->stream);
+ {
+#ifdef USE_IN_LIBIO
+ if (_IO_fwide (fs->stream, 0) > 0)
+ putwc_unlocked (L' ', fs->stream);
+ else
+#endif
+ putc_unlocked (' ', fs->stream);
+ }
}
fs->point_col = pad;
}
@@ -267,9 +284,17 @@ __argp_fmtstream_update (argp_fmtstream_t fs)
else
/* Output the first line so we can use the space. */
{
- if (nl > fs->buf)
- fwrite_unlocked (fs->buf, 1, nl - fs->buf, fs->stream);
- putc_unlocked ('\n', fs->stream);
+#ifdef USE_IN_LIBIO
+ if (_IO_fwide (fs->stream, 0) > 0)
+ fwprintf (fs->stream, L"%.*s\n",
+ (int) (nl - fs->buf), fs->buf);
+ else
+#endif
+ {
+ if (nl > fs->buf)
+ fwrite_unlocked (fs->buf, 1, nl - fs->buf, fs->stream);
+ putc_unlocked ('\n', fs->stream);
+ }
len += buf - fs->buf;
nl = buf = fs->buf;
}
@@ -286,7 +311,12 @@ __argp_fmtstream_update (argp_fmtstream_t fs)
*nl++ = ' ';
else
for (i = 0; i < fs->wmargin; ++i)
- putc_unlocked (' ', fs->stream);
+#ifdef USE_IN_LIBIO
+ if (_IO_fwide (fs->stream, 0) > 0)
+ putwc_unlocked (L' ', fs->stream);
+ else
+#endif
+ putc_unlocked (' ', fs->stream);
/* Copy the tail of the original buffer into the current buffer
position. */
@@ -323,7 +353,15 @@ __argp_fmtstream_ensure (struct argp_fmtstream *fs, size_t amount)
/* Flush FS's buffer. */
__argp_fmtstream_update (fs);
- wrote = fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
+#ifdef USE_IN_LIBIO
+ if (_IO_fwide (fs->stream, 0) > 0)
+ {
+ __fwprintf (fs->stream, L"%.*s", (int) (fs->p - fs->buf), fs->buf);
+ wrote = fs->p - fs->buf;
+ }
+ else
+#endif
+ wrote = fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
if (wrote == fs->p - fs->buf)
{
fs->p = fs->buf;