Changeset da2bd08 in mainline for uspace/lib/libc/generic/string.c

Timestamp:

2009-11-29T14:53:18Z (14 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

272f88f0, 8b5001b

Parents:

025759c

Message:

Input history.

File:

• uspace/lib/libc/generic/string.c (modified) (1 diff)

uspace/lib/libc/generic/string.c

@@ -583 +583 @@
 }
 
+/** Convert string to wide string.
+ *
+ * Convert string @a src to wide string. The output is written to the
+ * buffer specified by @a dest and @a size, which must have non-zero
+ * size. The output will always be null-terminated.
+ *
+ * @param dest  Destination buffer.
+ * @param dlen  Length of destination buffer (number of wchars).
+ * @param src   Source string.
+ */
+void str_to_wstr(wchar_t *dest, size_t dlen, const char *src)
+{
+        size_t offset;
+        size_t di;
+        wchar_t c;
+
+        assert(dlen > 0);
+
+        offset = 0;
+        di = 0;
+
+        do {
+                if (di >= dlen - 1)
+                        break;
+
+                c = str_decode(src, &offset, STR_NO_LIMIT);
+                dest[di++] = c;
+        } while (c != '\0');
+
+        dest[dlen - 1] = '\0';
+}
+
 /** Find first occurence of character in string.
  *