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-rw-r--r--common/list.c218
1 files changed, 218 insertions, 0 deletions
diff --git a/common/list.c b/common/list.c
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+++ b/common/list.c
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+/*
+ Copyright (c) 2004-2009 Jay Sorg
+
+ Permission is hereby granted, free of charge, to any person obtaining a
+ copy of this software and associated documentation files (the "Software"),
+ to deal in the Software without restriction, including without limitation
+ the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ and/or sell copies of the Software, and to permit persons to whom the
+ Software is furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included
+ in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ DEALINGS IN THE SOFTWARE.
+
+ simple list
+*/
+
+#include "arch.h"
+#include "os_calls.h"
+#include "list.h"
+
+/*****************************************************************************/
+struct list* APP_CC
+list_create(void)
+{
+ struct list* self;
+
+ self = (struct list*)g_malloc(sizeof(struct list), 1);
+ self->grow_by = 10;
+ self->alloc_size = 10;
+ self->items = (tbus*)g_malloc(sizeof(tbus) * 10, 1);
+ return self;
+}
+
+/*****************************************************************************/
+void APP_CC
+list_delete(struct list* self)
+{
+ int i;
+
+ if (self == 0)
+ {
+ return;
+ }
+ if (self->auto_free)
+ {
+ for (i = 0; i < self->count; i++)
+ {
+ g_free((void*)self->items[i]);
+ self->items[i] = 0;
+ }
+ }
+ g_free(self->items);
+ g_free(self);
+}
+
+/*****************************************************************************/
+void APP_CC
+list_add_item(struct list* self, tbus item)
+{
+ tbus* p;
+ int i;
+
+ if (self->count >= self->alloc_size)
+ {
+ i = self->alloc_size;
+ self->alloc_size += self->grow_by;
+ p = (tbus*)g_malloc(sizeof(tbus) * self->alloc_size, 1);
+ g_memcpy(p, self->items, sizeof(tbus) * i);
+ g_free(self->items);
+ self->items = p;
+ }
+ self->items[self->count] = item;
+ self->count++;
+}
+
+/*****************************************************************************/
+tbus APP_CC
+list_get_item(struct list* self, int index)
+{
+ if (index < 0 || index >= self->count)
+ {
+ return 0;
+ }
+ return self->items[index];
+}
+
+/*****************************************************************************/
+void APP_CC
+list_clear(struct list* self)
+{
+ int i;
+
+ if (self->auto_free)
+ {
+ for (i = 0; i < self->count; i++)
+ {
+ g_free((void*)self->items[i]);
+ self->items[i] = 0;
+ }
+ }
+ g_free(self->items);
+ self->count = 0;
+ self->grow_by = 10;
+ self->alloc_size = 10;
+ self->items = (tbus*)g_malloc(sizeof(tbus) * 10, 1);
+}
+
+/*****************************************************************************/
+int APP_CC
+list_index_of(struct list* self, tbus item)
+{
+ int i;
+
+ for (i = 0; i < self->count; i++)
+ {
+ if (self->items[i] == item)
+ {
+ return i;
+ }
+ }
+ return -1;
+}
+
+/*****************************************************************************/
+void APP_CC
+list_remove_item(struct list* self, int index)
+{
+ int i;
+
+ if (index >= 0 && index < self->count)
+ {
+ if (self->auto_free)
+ {
+ g_free((void*)self->items[index]);
+ self->items[index] = 0;
+ }
+ for (i = index; i < (self->count - 1); i++)
+ {
+ self->items[i] = self->items[i + 1];
+ }
+ self->count--;
+ }
+}
+
+/*****************************************************************************/
+void APP_CC
+list_insert_item(struct list* self, int index, tbus item)
+{
+ tbus* p;
+ int i;
+
+ if (index == self->count)
+ {
+ list_add_item(self, item);
+ return;
+ }
+ if (index >= 0 && index < self->count)
+ {
+ self->count++;
+ if (self->count > self->alloc_size)
+ {
+ i = self->alloc_size;
+ self->alloc_size += self->grow_by;
+ p = (tbus*)g_malloc(sizeof(tbus) * self->alloc_size, 1);
+ g_memcpy(p, self->items, sizeof(tbus) * i);
+ g_free(self->items);
+ self->items = p;
+ }
+ for (i = (self->count - 2); i >= index; i--)
+ {
+ self->items[i + 1] = self->items[i];
+ }
+ self->items[index] = item;
+ }
+}
+
+/*****************************************************************************/
+/* append one list to another using strdup for each item in the list */
+/* begins copy at start_index, a zero based index on the soure list */
+void APP_CC
+list_append_list_strdup(struct list* self, struct list* dest, int start_index)
+{
+ int index;
+ tbus item;
+ char* dup;
+
+ for (index = start_index; index < self->count; index++)
+ {
+ item = list_get_item(self, index);
+ dup = g_strdup((char*)item);
+ list_add_item(dest, (tbus)dup);
+ }
+}
+
+/*****************************************************************************/
+void APP_CC
+list_dump_items(struct list* self)
+{
+ int index;
+ tbus item;
+
+ if (self->count == 0)
+ {
+ g_writeln("List is empty");
+ }
+ for (index = 0; index < self->count; index++)
+ {
+ g_writeln("%d: %s", index, list_get_item(self, index));
+ }
+}