mds-kbdc: most of the built-in functions

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/src/mds-kbdc/string.h b/src/mds-kbdc/string.h
new file mode 100644
index 0000000..6a5d528
--- /dev/null
+++ b/src/mds-kbdc/string.h
@@ -0,0 +1,52 @@
+/**
+ * mds — A micro-display server
+ * Copyright © 2014  Mattias Andrée (maandree@member.fsf.org)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef MDS_MDS_KBDC_STRING_H
+#define MDS_MDS_KBDC_STRING_H
+
+
+#include <stdint.h>
+#include <stddef.h>
+
+
+/**
+ * Data type for a character in a decoded string.
+ */
+typedef int32_t char32_t;
+
+
+/**
+ * Get the length of a string.
+ * 
+ * @param   string  The string.
+ * @return          The length of the string.
+ */
+size_t string_length(const char32_t* restrict string) __attribute__((pure, nonnull));
+
+/**
+ * Convert a NUL-terminated UTF-8 string to a -1-terminated UTF-32 string.
+ * 
+ * @param   string  The UTF-8 string.
+ * @return          The string in UTF-32, `NULL` on error.
+ */
+char32_t* string_decode(const char* restrict string) __attribute__((nonnull));
+
+/* TODO string_encode */
+
+
+#endif
+