diff options
Diffstat (limited to 'common/list16.c')
-rw-r--r-- | common/list16.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/common/list16.c b/common/list16.c new file mode 100644 index 00000000..5e5c3d7f --- /dev/null +++ b/common/list16.c @@ -0,0 +1,188 @@ +/** + * xrdp: A Remote Desktop Protocol server. + * + * Copyright (C) Jay Sorg 2004-2014 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * simple list + */ + +#include "arch.h" +#include "os_calls.h" +#include "list16.h" + +/*****************************************************************************/ +struct list16 *APP_CC +list16_create(void) +{ + struct list16 *self; + + self = (struct list16 *)g_malloc(sizeof(struct list16), 0); + list16_init(self); + return self; +} + +/*****************************************************************************/ +void APP_CC +list16_delete(struct list16 *self) +{ + if (self == 0) + { + return; + } + + list16_deinit(self); + g_free(self); +} + +/*****************************************************************************/ +void APP_CC +list16_init(struct list16* self) +{ + g_memset(self, 0, sizeof(struct list16)); + self->max_count = 4; + self->items = self->mitems; +} + +/*****************************************************************************/ +void APP_CC +list16_deinit(struct list16* self) +{ + if (self->items != self->mitems) + { + g_free(self->items); + } +} + +/*****************************************************************************/ +void APP_CC +list16_add_item(struct list16 *self, tui16 item) +{ + tui16 *p; + int i; + + if (self->count >= self->max_count) + { + i = self->max_count; + self->max_count += 4; + p = (tui16 *)g_malloc(sizeof(tui16) * self->max_count, 1); + g_memcpy(p, self->items, sizeof(tui16) * i); + if (self->items != self->mitems) + { + g_free(self->items); + } + self->items = p; + } + + self->items[self->count] = item; + self->count++; +} + +/*****************************************************************************/ +tui16 APP_CC +list16_get_item(struct list16 *self, int index) +{ + if (index < 0 || index >= self->count) + { + return 0; + } + + return self->items[index]; +} + +/*****************************************************************************/ +void APP_CC +list16_clear(struct list16 *self) +{ + if (self->items != self->mitems) + { + g_free(self->items); + } + self->count = 0; + self->max_count = 4; + self->items = self->mitems; +} + +/*****************************************************************************/ +int APP_CC +list16_index_of(struct list16 *self, tui16 item) +{ + int i; + + for (i = 0; i < self->count; i++) + { + if (self->items[i] == item) + { + return i; + } + } + + return -1; +} + +/*****************************************************************************/ +void APP_CC +list16_remove_item(struct list16 *self, int index) +{ + int i; + + if (index >= 0 && index < self->count) + { + for (i = index; i < (self->count - 1); i++) + { + self->items[i] = self->items[i + 1]; + } + + self->count--; + } +} + +/*****************************************************************************/ +void APP_CC +list16_insert_item(struct list16 *self, int index, tui16 item) +{ + tui16 *p; + int i; + + if (index == self->count) + { + list16_add_item(self, item); + return; + } + + if (index >= 0 && index < self->count) + { + self->count++; + + if (self->count > self->max_count) + { + i = self->max_count; + self->max_count += 4; + p = (tui16 *)g_malloc(sizeof(tui16) * self->max_count, 1); + g_memcpy(p, self->items, sizeof(tui16) * i); + if (self->items != self->mitems) + { + 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; + } +} |