200 lines
4.5 KiB
C
200 lines
4.5 KiB
C
/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2004-2006
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simple list
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*/
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#include "arch.h"
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#include "os_calls.h"
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#include "list.h"
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/*****************************************************************************/
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struct list* APP_CC
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list_create(void)
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{
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struct list* self;
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self = (struct list*)g_malloc(sizeof(struct list), 1);
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self->grow_by = 10;
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self->alloc_size = 10;
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self->items = (long*)g_malloc(sizeof(long) * 10, 1);
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return self;
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}
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/*****************************************************************************/
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void APP_CC
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list_delete(struct list* self)
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{
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int i;
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if (self == 0)
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{
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return;
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}
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if (self->auto_free)
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{
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for (i = 0; i < self->count; i++)
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{
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g_free((void*)self->items[i]);
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self->items[i] = 0;
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}
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}
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g_free(self->items);
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g_free(self);
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}
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/*****************************************************************************/
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void APP_CC
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list_add_item(struct list* self, long item)
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{
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long* p;
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int i;
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if (self->count >= self->alloc_size)
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{
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i = self->alloc_size;
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self->alloc_size += self->grow_by;
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p = (long*)g_malloc(sizeof(long) * self->alloc_size, 1);
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g_memcpy(p, self->items, sizeof(long) * i);
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g_free(self->items);
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self->items = p;
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}
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self->items[self->count] = item;
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self->count++;
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}
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/*****************************************************************************/
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long APP_CC
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list_get_item(struct list* self, int index)
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{
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if (index < 0 || index >= self->count)
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{
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return 0;
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}
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return self->items[index];
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}
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/*****************************************************************************/
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void APP_CC
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list_clear(struct list* self)
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{
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int i;
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if (self->auto_free)
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{
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for (i = 0; i < self->count; i++)
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{
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g_free((void*)self->items[i]);
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self->items[i] = 0;
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}
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}
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g_free(self->items);
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self->count = 0;
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self->grow_by = 10;
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self->alloc_size = 10;
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self->items = (long*)g_malloc(sizeof(long) * 10, 1);
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}
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/*****************************************************************************/
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int APP_CC
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list_index_of(struct list* self, long item)
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{
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int i;
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for (i = 0; i < self->count; i++)
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{
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if (self->items[i] == item)
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{
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return i;
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}
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}
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return -1;
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}
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/*****************************************************************************/
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void APP_CC
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list_remove_item(struct list* self, int index)
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{
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int i;
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if (index >= 0 && index < self->count)
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{
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if (self->auto_free)
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{
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g_free((void*)self->items[index]);
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self->items[index] = 0;
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}
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for (i = index; i < (self->count - 1); i++)
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{
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self->items[i] = self->items[i + 1];
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}
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self->count--;
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}
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}
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/*****************************************************************************/
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void APP_CC
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list_insert_item(struct list* self, int index, long item)
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{
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long* p;
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int i;
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if (index == self->count)
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{
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list_add_item(self, item);
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return;
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}
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if (index >= 0 && index < self->count)
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{
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self->count++;
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if (self->count > self->alloc_size)
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{
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i = self->alloc_size;
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self->alloc_size += self->grow_by;
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p = (long*)g_malloc(sizeof(long) * self->alloc_size, 1);
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g_memcpy(p, self->items, sizeof(long) * i);
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g_free(self->items);
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self->items = p;
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}
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for (i = (self->count - 2); i >= index; i--)
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{
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self->items[i + 1] = self->items[i];
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}
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self->items[index] = item;
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}
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}
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/*****************************************************************************/
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/* append one list to another using strdup for each item in the list */
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/* begins copy at start_index, a zero based index on the soure list */
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void APP_CC
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list_append_list_strdup(struct list* self, struct list* dest, int start_index)
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{
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int index;
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long item;
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char* dup;
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for (index = start_index; index < self->count; index++)
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{
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item = list_get_item(self, index);
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dup = g_strdup((char*)item);
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list_add_item(dest, (long)dup);
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}
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}
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