1 files changed, 123 insertions, 0 deletions
diff --git a/trunk/main/minimime/mm_error.c b/trunk/main/minimime/mm_error.c
new file mode 100644
index 000000000..5b27bf724
--- /dev/null
+++ b/trunk/main/minimime/mm_error.c
@@ -0,0 +1,123 @@
+/*
+ * $Id$
+ *
+ * MiniMIME - a library for handling MIME messages
+ *
+ * Copyright (C) 2003 Jann Fischer <rezine@mistrust.net>
+ * 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.
+ * 3. Neither the name of the author nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JANN FISCHER 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 JANN FISCHER OR THE VOICES IN HIS HEAD
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+
+#include "mm_internal.h"
+#include "mm_util.h"
+
+/** @file mm_error.c
+ *
+ * This module contains functions for MiniMIME error information/manipulation
+ */
+
+/** @defgroup error MiniMIME error functions */
+
+/**
+ * Initializes the global error object 
+ *
+ * @ingroup error
+ *
+ * This function initializes the global error object mm_error. This must be
+ * done when the library is initialized, and is automatically called from
+ * mm_init_library().
+ */
+void
+mm_error_init(void)
+{
+	mm_error.error_id = 0;
+	mm_error.error_where = 0;
+	mm_error.lineno = 0;
+	memset(&mm_error.error_msg, '\0', sizeof(mm_error.error_msg));
+}
+
+/**
+ * Sets a descriptive error message
+ *
+ * @param fmt The error message as format string
+ * @ingroup error
+ *
+ * This function is called from the various MiniMIME modules in case an
+ * error occured. Should never be called by the user.
+ */
+void
+mm_error_setmsg(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	vsnprintf(mm_error.error_msg, sizeof(mm_error.error_msg), fmt, ap);
+	va_end(ap);
+
+}
+
+void
+mm_error_setlineno(int lineno)
+{
+	mm_error.lineno = lineno;
+}
+
+/**
+ * Retrieves the current error message
+ *
+ * @return The currently set error message
+ * @ingroup error
+ *
+ * This function can be used to retrieve a descriptive error message for the
+ * current error, much like strerror() function of libc. When this function
+ * is called without an error being set, it returns the string "No error".
+ * The string returned does not need to be freed, since it is not dynamically
+ * allocated by the library.
+ */
+char *
+mm_error_string(void)
+{
+	if (mm_errno != MM_ERROR_ERRNO && mm_error.error_msg[0] == '\0') {
+		return "No error";
+	} else if (mm_errno == MM_ERROR_ERRNO) {
+		return strerror(errno);
+	} else {
+		return mm_error.error_msg;
+	}
+}
+
+int
+mm_error_lineno(void)
+{
+	return mm_error.lineno;
+}