struct arm_file_desc_table_t *arm_file_desc_table_create(void)
{
struct arm_file_desc_table_t *table;
struct arm_file_desc_t *desc;
/* Allocate */
table = calloc(1, sizeof(struct arm_file_desc_table_t));
if (!table)
fatal("%s: out of memory", __FUNCTION__);
/* Initialize */
table->arm_file_desc_list = list_create();
/* Add stdin */
desc = arm_file_desc_create(arm_file_desc_std, 0, 0, 0, NULL);
list_add(table->arm_file_desc_list, desc);
/* Add stdout */
desc = arm_file_desc_create(arm_file_desc_std, 1, 1, 0, NULL);
list_add(table->arm_file_desc_list, desc);
/* Add stderr */
desc = arm_file_desc_create(arm_file_desc_std, 2, 2, 0, NULL);
list_add(table->arm_file_desc_list, desc);
/* Return */
return table;
}
struct arm_file_desc_t *arm_file_desc_table_entry_new_guest_fd(struct arm_file_desc_table_t *table,
enum arm_file_desc_kind_t kind, int guest_fd, int host_fd, char *path, int flags)
{
struct arm_file_desc_t *desc;
int i;
/* Look for a free entry */
for (i = 0; i < list_count(table->arm_file_desc_list) && guest_fd < 0; i++)
if (!list_get(table->arm_file_desc_list, i))
guest_fd = i;
/* If no free entry was found, add new entry. */
if (guest_fd < 0)
{
guest_fd = list_count(table->arm_file_desc_list);
list_add(table->arm_file_desc_list, NULL);
}
/* Specified guest_fd may still be too large */
for (i = list_count(table->arm_file_desc_list); i <= guest_fd; ++i) {
list_add(table->arm_file_desc_list, NULL);
}
/* Create guest arm_file descriptor and return. */
desc = arm_file_desc_create(kind, guest_fd, host_fd, flags, path);
list_set(table->arm_file_desc_list, guest_fd, desc);
/* Return */
return desc;
}
struct arm_file_desc_table_t *arm_file_desc_table_create(void) {
struct arm_file_desc_table_t *table;
struct arm_file_desc_t *desc;
/* Initialize */
table = xcalloc(1, sizeof(struct arm_file_desc_table_t));
table->arm_file_desc_list = list_create();
/* Add stdin */
desc = arm_file_desc_create(arm_file_desc_std, 0, 0, 0, NULL);
list_add(table->arm_file_desc_list, desc);
/* Add stdout */
desc = arm_file_desc_create(arm_file_desc_std, 1, 1, 0, NULL);
list_add(table->arm_file_desc_list, desc);
/* Add stderr */
desc = arm_file_desc_create(arm_file_desc_std, 2, 2, 0, NULL);
list_add(table->arm_file_desc_list, desc);
/* Return */
return table;
}
