Port FFS tools over from Building Block repository.

1 files changed, 208 insertions, 0 deletions

diff --git a/clib/src/err.c b/clib/src/err.c
new file mode 100644
index 0000000..e16f453
--- /dev/null
+++ b/clib/src/err.c
@@ -0,0 +1,208 @@
+/*
+ * Copyright (c) International Business Machines Corp., 2014
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ *   File: err.c
+ * Author: Shaun Wetzstein <shaun@us.ibm.com>
+ *  Descr: Error container
+ *   Date: 04/04/12
+ */
+
+#include <errno.h>
+#include <assert.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <execinfo.h>
+
+#include "attribute.h"
+#include "min.h"
+
+#include "err.h"
+
+static pthread_key_t __err_key = 0;
+
+static const char *__err_type_name[] = {
+	[ERR_NONE] = "none",
+	[ERR_ERRNO] = "errno",
+	[ERR_UNEXPECTED] = "unexpected",
+	[ERR_VERSION] = "version",
+};
+
+/* =======================================================================*/
+
+void err_delete(err_t * self)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	memset(self, 0, sizeof(*self));
+	free(self);
+
+	return;
+}
+
+err_t *err_get(void)
+{
+	list_t *list = (list_t *) pthread_getspecific(__err_key);
+
+	err_t *self = NULL;
+
+	if (list != NULL) {
+		self = container_of(list_remove_tail(list), err_t, node);
+
+		if (list_empty(list)) {
+			free(list), list = NULL;
+			assert(pthread_setspecific(__err_key, list) == 0);
+		}
+	}
+
+	return self;
+}
+
+void err_put(err_t * self)
+{
+	assert(self != NULL);
+
+	list_t *list = pthread_getspecific(__err_key);
+	if (list == NULL) {
+		list = (list_t *) malloc(sizeof(*list));
+		assert(list != NULL);
+
+		list_init(list);
+		assert(pthread_setspecific(__err_key, list) == 0);
+	}
+
+	list_add_head(list, &self->node);
+
+	return;
+}
+
+int err_type1(err_t * self)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	return self->type;
+}
+
+void err_type2(err_t * self, int type)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	self->type = type;
+}
+
+int err_code1(err_t * self)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	return self->code;
+}
+
+void err_code2(err_t * self, int code)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	self->code = code;
+
+	return;
+}
+
+const char *err_file1(err_t * self)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	return self->file;
+}
+
+void err_file2(err_t * self, const char *file)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	self->file = file;
+
+	return;
+}
+
+int err_line1(err_t * self)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	return self->line;
+}
+
+void err_line2(err_t * self, int line)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	self->line = line;
+
+	return;
+}
+
+const void *err_data1(err_t * self)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	return self->data;
+}
+
+void err_data2(err_t * self, int size, const void *data)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	self->size = min(size, ERR_DATA_SIZE);
+	memcpy(self->data, data, self->size);
+
+	return;
+}
+
+int err_size(err_t * self)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	return self->size;
+}
+
+const char *err_type_name(err_t * self)
+{
+	assert(self != NULL);
+	assert(self->magic == ERR_MAGIC);
+
+	return __err_type_name[self->type];
+}
+
+/* =======================================================================*/
+
+__constructor static void __err__ctor__(void)
+{
+	assert(pthread_key_create(&__err_key, NULL) == 0);
+}