Adding upstream version 2.39.3.upstream/2.39.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 62 insertions, 0 deletions

diff --git a/include/mbsalign.h b/include/mbsalign.h
new file mode 100644
index 0000000..6e56755
--- /dev/null
+++ b/include/mbsalign.h
@@ -0,0 +1,62 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
+ * Align/Truncate a string in a given screen width
+ * Copyright (C) 2009-2010 Free Software Foundation, Inc.
+ * Copyright (C) 2010-2013 Karel Zak <kzak@redhat.com>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 2.1 of the License, or (at your
+ * option) any later version.
+ */
+#ifndef UTIL_LINUX_MBSALIGN_H
+# define UTIL_LINUX_MBSALIGN_H
+# include <stddef.h>
+
+typedef enum { MBS_ALIGN_LEFT, MBS_ALIGN_RIGHT, MBS_ALIGN_CENTER } mbs_align_t;
+
+enum {
+  /* Use unibyte mode for invalid multibyte strings or
+     or when heap memory is exhausted.  */
+  MBA_UNIBYTE_FALLBACK = 0x0001,
+
+#if 0 /* Other possible options.  */
+  /* Skip invalid multibyte chars rather than failing  */
+  MBA_IGNORE_INVALID   = 0x0002,
+
+  /* Align multibyte strings using "figure space" (\u2007)  */
+  MBA_USE_FIGURE_SPACE = 0x0004,
+
+  /* Don't add any padding  */
+  MBA_TRUNCATE_ONLY    = 0x0008,
+
+  /* Don't truncate  */
+  MBA_PAD_ONLY         = 0x0010,
+#endif
+};
+
+extern size_t mbs_truncate(char *str, size_t *width);
+
+extern size_t mbsalign (const char *src, char *dest,
+			size_t dest_size,  size_t *width,
+			mbs_align_t align, int flags);
+
+extern size_t mbsalign_with_padding (const char *src, char *dest, size_t dest_size,
+	               size_t *width, mbs_align_t align, int flags,
+		       int padchar);
+
+extern size_t mbs_safe_nwidth(const char *buf, size_t bufsz, size_t *sz);
+extern size_t mbs_safe_width(const char *s);
+
+extern size_t mbs_nwidth(const char *buf, size_t bufsz);
+extern size_t mbs_width(const char *s);
+
+extern char *mbs_safe_encode(const char *s, size_t *width);
+extern char *mbs_safe_encode_to_buffer(const char *s, size_t *width, char *buf, const char *safechars);
+extern size_t mbs_safe_encode_size(size_t bytes);
+
+extern char *mbs_invalid_encode(const char *s, size_t *width);
+extern char *mbs_invalid_encode_to_buffer(const char *s, size_t *width, char *buf);
+
+#endif /* UTIL_LINUX_MBSALIGN_H */