1 files changed, 60 insertions, 0 deletions
diff --git a/src/libmowgli/core/assert.h b/src/libmowgli/core/assert.h
new file mode 100644
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+++ b/src/libmowgli/core/assert.h
@@ -0,0 +1,60 @@
+/*
+ * libmowgli: A collection of useful routines for programming.
+ * assert.h: Assertions.
+ *
+ * Copyright (c) 2007 William Pitcock <nenolod -at- sacredspiral.co.uk>
+ *
+ * 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_ASSERT_H__
+#define __MOWGLI_ASSERT_H__
+
+#define _assert_msg(exp) "assertion '" #exp  "' failed."
+
+#define soft_assert(exp) \
+	do \
+	{ \
+		if (!(exp)) \
+		{ \
+			mowgli_log_warning(_assert_msg(exp)); \
+		} \
+	} while (0)
+
+#define return_if_fail(exp) \
+	do \
+	{ \
+		if (!(exp)) \
+		{ \
+			mowgli_log_warning(_assert_msg(exp)); \
+			return;	\
+		} \
+	} while (0)
+
+#define return_val_if_fail(exp, val) \
+	do \
+	{ \
+		if (!(exp)) \
+		{ \
+			mowgli_log_warning(_assert_msg(exp)); \
+			return (val); \
+		} \
+	} while (0)
+
+#define return_null_if_fail(exp) return_val_if_fail(exp, NULL)
+
+#endif