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diff --git a/src/libmowgli/core/mowgli_string.h b/src/libmowgli/core/mowgli_string.h
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+/*
+ * libmowgli: A collection of useful routines for programming.
+ * mowgli_string.h: Immutable string buffers with cheap manipulation.
+ *
+ * Copyright (c) 2007 William Pitcock <nenolod -at- sacredspiral.co.uk>
+ * Copyright (c) 2007 Pippijn van Steenhoven <pippijn -at- one09.net>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MOWGLI_STRING_H__
+#define __MOWGLI_STRING_H__
+
+typedef struct mowgli_string_
+{
+ char *str;
+ size_t pos;
+ size_t size;
+
+ void (*reset)(struct mowgli_string_ *self);
+
+ void (*append)(struct mowgli_string_ *self, const char *src, size_t n);
+
+ void (*append_char)(struct mowgli_string_ *self, const char c);
+
+ void (*destroy)(struct mowgli_string_ *self);
+} mowgli_string_t;
+
+extern mowgli_string_t *mowgli_string_create(void);
+extern void mowgli_string_reset(mowgli_string_t *self);
+extern void mowgli_string_destroy(mowgli_string_t *self);
+extern void mowgli_string_append(mowgli_string_t *self, const char *src, size_t n);
+extern void mowgli_string_append_char(mowgli_string_t *self, const char c);
+
+extern size_t mowgli_strlcat(char *dest, const char *src, size_t count);
+extern size_t mowgli_strlcpy(char *dest, const char *src, size_t count);
+extern ssize_t mowgli_writef(mowgli_descriptor_t fd, const char *fmt, ...);
+
+#endif