diff options
Diffstat (limited to 'common/list.c')
| -rw-r--r-- | common/list.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/common/list.c b/common/list.c new file mode 100644 index 00000000..953ef676 --- /dev/null +++ b/common/list.c @@ -0,0 +1,218 @@ +/* + 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)); + } +} |
