Add a buildsys.

src/cfwstring.c

@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2012, Jonathan Schleifer <js@webkeks.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "cfwobject.h"
+#include "cfwstring.h"
+
+struct CFWString {
+	CFWObject obj;
+	char *cstr;
+	size_t len;
+};
+
+static bool
+ctor(void *ptr, va_list args)
+{
+	CFWString *str = ptr;
+	const char *cstr = va_arg(args, const char*);
+
+	if (cstr != NULL) {
+		if ((str->cstr = strdup(cstr)) == NULL)
+			return false;
+
+		str->len = strlen(cstr);
+	} else {
+		str->cstr = NULL;
+		str->len = 0;
+	}
+
+	return true;
+}
+
+static void
+dtor(void *ptr)
+{
+	CFWString *str = ptr;
+
+	if (str->cstr != NULL)
+		free(str->cstr);
+}
+
+static bool
+equal(void *ptr1, void *ptr2)
+{
+	CFWObject *obj2 = ptr2;
+	CFWString *str1, *str2;
+
+	if (obj2->clsptr != cfw_string)
+		return false;
+
+	str1 = ptr1;
+	str2 = ptr2;
+
+	if (str1->len != str2->len)
+		return false;
+
+	return !strcmp(str1->cstr, str2->cstr);
+}
+
+static void*
+copy(void *ptr)
+{
+	CFWString *str = ptr;
+	CFWString *new;
+
+	if ((new = cfw_new(cfw_string)) == NULL)
+		return NULL;
+
+	if ((new->cstr = malloc(str->len + 1)) == NULL) {
+		cfw_unref(new);
+		return NULL;
+	}
+	new->len = str->len;
+
+	memcpy(new->cstr, str->cstr, str->len + 1);
+
+	return new;
+}
+
+const char*
+cfw_string_c(CFWString *string)
+{
+	return string->cstr;
+}
+
+size_t
+cfw_string_len(CFWString *string)
+{
+	return string->len;
+}
+
+bool
+cfw_string_set(CFWString *str, const char *cstr)
+{
+	char *copy;
+
+	if ((copy = strdup(cstr)) == NULL)
+		return false;
+
+	if (str->cstr != NULL)
+		free(str->cstr);
+
+	str->cstr = copy;
+	str->len = strlen(copy);
+
+	return true;
+}
+
+static CFWClass class = {
+	.name = "CFWString",
+	.size = sizeof(CFWString),
+	.ctor = ctor,
+	.dtor = dtor,
+	.equal = equal,
+	.copy = copy
+};
+CFWClass *cfw_string = &class;