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-rw-r--r--common/collection/collection.c71
1 files changed, 43 insertions, 28 deletions
diff --git a/common/collection/collection.c b/common/collection/collection.c
index d6fd872fd..8d3b3b5d5 100644
--- a/common/collection/collection.c
+++ b/common/collection/collection.c
@@ -187,8 +187,6 @@ static int col_allocate_item(struct collection_item **ci, const char *property,
const void *item_data, int length, int type)
{
struct collection_item *item = NULL;
- int error = 0;
- errno = 0;
TRACE_FLOW_STRING("col_allocate_item", "Entry point.");
TRACE_INFO_NUMBER("Will be using type:", type);
@@ -207,9 +205,8 @@ static int col_allocate_item(struct collection_item **ci, const char *property,
/* Allocate memory for the structure */
item = (struct collection_item *)malloc(sizeof(struct collection_item));
if (item == NULL) {
- error = errno;
TRACE_ERROR_STRING("col_allocate_item", "Malloc failed.");
- return error;
+ return ENOMEM;
}
/* After we initialize "next" we can use delete_item() in case of error */
@@ -218,10 +215,9 @@ static int col_allocate_item(struct collection_item **ci, const char *property,
/* Copy property */
item->property = strdup(property);
if (item->property == NULL) {
- error = errno;
TRACE_ERROR_STRING("col_allocate_item", "Failed to dup property.");
col_delete_item(item);
- return error;
+ return ENOMEM;
}
item->phash = FNV1a_base;
@@ -242,7 +238,7 @@ static int col_allocate_item(struct collection_item **ci, const char *property,
if (item->data == NULL) {
TRACE_ERROR_STRING("col_allocate_item", "Failed to dup data.");
col_delete_item(item);
- return errno;
+ return ENOMEM;
}
memcpy(item->data, item_data, length);
@@ -260,7 +256,7 @@ static int col_allocate_item(struct collection_item **ci, const char *property,
TRACE_INFO_NUMBER("Item property type", item->type);
TRACE_INFO_NUMBER("Item data length", item->length);
TRACE_FLOW_STRING("col_allocate_item", "Success exit.");
- return 0;
+ return EOK;
}
/* Structure used to find things in collection */
@@ -321,7 +317,7 @@ static int col_find_property(struct collection_item *collection,
/* Item is not found */
TRACE_FLOW_STRING("col_find_property", "Exit - item NOT found");
- return 0;
+ return EOK;
}
@@ -387,7 +383,7 @@ int col_insert_item_into_current(struct collection_item *collection,
parent->next = item;
if (header->last == current) header->last = item;
col_delete_item(current);
- header->count--;
+ /* Deleted one added another - count stays the same! */
TRACE_FLOW_STRING("col_insert_item_into_current", "Dup overwrite exit");
return EOK;
}
@@ -401,7 +397,7 @@ int col_insert_item_into_current(struct collection_item *collection,
parent->next = item;
if (header->last == current) header->last = item;
col_delete_item(current);
- header->count--;
+ /* Deleted one added another - count stays the same! */
TRACE_FLOW_STRING("col_insert_item_into_current", "Dup overwrite exit");
return EOK;
}
@@ -777,7 +773,7 @@ int col_extract_item(struct collection_item *collection,
struct collection_item **ret_ref)
{
struct collection_item *col = NULL;
- int error = 0;
+ int error = EOK;
TRACE_FLOW_STRING("col_extract_item", "Entry point");
@@ -1148,16 +1144,16 @@ static int col_create_path_data(struct path_data **name_path,
TRACE_INFO_STRING("Constructing path from property:", property);
/* Allocate structure */
- errno = 0;
new_name_path = (struct path_data *)malloc(sizeof(struct path_data));
- if (new_name_path == NULL) return errno;
-
+ if (new_name_path == NULL) {
+ TRACE_ERROR_NUMBER("Failed to allocate memory for new path struct.", ENOMEM);
+ return ENOMEM;
+ }
new_name_path->name = malloc(length + property_len + 2);
if (new_name_path->name == NULL) {
- error = errno;
- TRACE_ERROR_NUMBER("Failed to allocate memory for new path name. Errno", error);
+ TRACE_ERROR_NUMBER("Failed to allocate memory for new path name.", ENOMEM);
free(new_name_path);
- return error;
+ return ENOMEM;
}
/* Construct the new name */
@@ -1487,21 +1483,24 @@ static int col_find_item_and_do(struct collection_item *ci,
return EINVAL;
}
+ /* Collection is requered */
+ if (ci == NULL) {
+ TRACE_ERROR_NUMBER("No collection to search!", EINVAL);
+ return EINVAL;
+ }
+
/* Make sure that there is anything to search */
type &= COL_TYPE_ANY;
- if ((ci == NULL) ||
- ((property_to_find == NULL) && (type == 0)) ||
+ if (((property_to_find == NULL) && (type == 0)) ||
((*property_to_find == '\0') && (type == 0))) {
- TRACE_ERROR_NUMBER("No item search criteria specified - returning error!", ENOKEY);
- return ENOKEY;
+ TRACE_ERROR_NUMBER("No item search criteria specified - returning error!", ENOENT);
+ return ENOENT;
}
/* Prepare data for traversal */
- errno = 0;
traverse_data = (struct find_name *)malloc(sizeof(struct find_name));
if (traverse_data == NULL) {
- error = errno;
- TRACE_ERROR_NUMBER("Failed to allocate traverse data memory - returning error!", errno);
- return error;
+ TRACE_ERROR_NUMBER("Failed to allocate traverse data memory - returning error!", ENOMEM);
+ return ENOMEM;
}
TRACE_INFO_STRING("col_find_item_and_do", "Filling in traverse data.");
@@ -2081,7 +2080,7 @@ int col_create_collection(struct collection_item **ci, const char *name,
*ci = handle;
TRACE_FLOW_STRING("col_create_collection", "Success Exit.");
- return 0;
+ return EOK;
}
@@ -2139,6 +2138,18 @@ int col_copy_collection(struct collection_item **collection_copy,
TRACE_FLOW_STRING("col_copy_collection", "Entry.");
+ /* Collection is requered */
+ if (collection_to_copy == NULL) {
+ TRACE_ERROR_NUMBER("No collection to search!", EINVAL);
+ return EINVAL;
+ }
+
+ /* Storage is required too */
+ if (collection_copy == NULL) {
+ TRACE_ERROR_NUMBER("No memory provided to receive collection copy!", EINVAL);
+ return EINVAL;
+ }
+
/* Determine what name to use */
if (name_to_use != NULL)
name = name_to_use;
@@ -2435,6 +2446,11 @@ int col_traverse_collection(struct collection_item *ci,
TRACE_FLOW_STRING("col_traverse_collection", "Entry.");
+ if (ci == NULL) {
+ TRACE_ERROR_NUMBER("No collection to traverse!", EINVAL);
+ return EINVAL;
+ }
+
error = col_walk_items(ci, mode_flags, col_simple_traverse_handler,
NULL, item_handler, custom_data, &depth);
@@ -2657,7 +2673,6 @@ static int col_grow_stack(struct collection_iterator *iterator, unsigned desired
if (desired > iterator->stack_size) {
grow_by = (((desired - iterator->stack_size) / STACK_DEPTH_BLOCK) + 1) * STACK_DEPTH_BLOCK;
- errno = 0;
temp = (struct collection_item **)realloc(iterator->stack, grow_by * sizeof(struct collection_item *));
if (temp == NULL) {
TRACE_ERROR_NUMBER("Failed to allocate memory", ENOMEM);