Changes in uspace/lib/c/generic/str.c [1737bfb:560d79f] in mainline

File:

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

uspace/lib/c/generic/str.c

@@ -259 +259 @@
         
         return offset;
+}
+
+/** Get size of string with size limit.
+ *
+ * Get the number of bytes which are used by the string @a str
+ * (excluding the NULL-terminator), but no more than @max_size bytes.
+ *
+ * @param str      String to consider.
+ * @param max_size Maximum number of bytes to measure.
+ *
+ * @return Number of bytes used by the string
+ *
+ */
+size_t str_nsize(const char *str, size_t max_size)
+{
+        size_t size = 0;
+        
+        while ((*str++ != 0) && (size < max_size))
+                size++;
+        
+        return size;
+}
+
+/** Get size of wide string with size limit.
+ *
+ * Get the number of bytes which are used by the wide string @a str
+ * (excluding the NULL-terminator), but no more than @max_size bytes.
+ *
+ * @param str      Wide string to consider.
+ * @param max_size Maximum number of bytes to measure.
+ *
+ * @return Number of bytes used by the wide string
+ *
+ */
+size_t wstr_nsize(const wchar_t *str, size_t max_size)
+{
+        return (wstr_nlength(str, max_size) * sizeof(wchar_t));
 }