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feat: added list_with_len and list_from_type_with_len

main
Sara 2024-01-26 12:02:56 +01:00
parent cb0858f14f
commit 253cc0cb0c
2 changed files with 15 additions and 11 deletions
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20
list.c
View File

@ -4,32 +4,34 @@
#include "string.h" #include "string.h"
#include "debug.h" #include "debug.h"
#ifndef LIST_DEFAULT_RESERVE
#define LIST_DEFAULT_RESERVE 4 #define LIST_DEFAULT_RESERVE 4
#endif
List list_init(size_t element_size) { List list_init(size_t element_size) {
return list_with_len(element_size, 0);
}
List list_with_len(size_t element_size, size_t len) {
List self = { List self = {
.element_size = element_size, .element_size = element_size,
.cap = LIST_DEFAULT_RESERVE, .cap = 0,
.len = 0, .len = 0,
.data = malloc(element_size * LIST_DEFAULT_RESERVE), .data = NULL,
}; };
if(len != 0) {
if(self.data == NULL) { list_set_len(&self, len);
if (self.data == NULL) {
LOG_ERROR("Failed to allocate list with starting capacity of %d", LIST_DEFAULT_RESERVE); LOG_ERROR("Failed to allocate list with starting capacity of %d", LIST_DEFAULT_RESERVE);
self.cap = 0; self.cap = 0;
} }
}
return self; return self;
} }
List list_copy(const List* source) { List list_copy(const List* source) {
List self = list_init(source->element_size); List self = list_init(source->element_size);
list_reserve(&self, source->cap); list_set_len(&self, source->cap);
if(self.cap > 0) { if(self.cap > 0) {
memcpy(self.data, source->data, source->element_size * source->len); memcpy(self.data, source->data, source->element_size * source->len);
self.len = source->len;
} else { } else {
LOG_ERROR("Failed to reserve space"); LOG_ERROR("Failed to reserve space");
} }

2
list.h
View File

@ -13,6 +13,7 @@ struct List {
}; };
extern List list_init(size_t element_size); extern List list_init(size_t element_size);
extern List list_with_len(size_t element_size, size_t len);
extern List list_copy(const List* source); extern List list_copy(const List* source);
extern void list_empty(List* list); extern void list_empty(List* list);
@ -31,6 +32,7 @@ extern void* list_iterator_end(List* self);
extern size_t list_contains(List* self, void* query); extern size_t list_contains(List* self, void* query);
#define list_from_type(T) list_init(sizeof(T)) #define list_from_type(T) list_init(sizeof(T))
#define list_from_type_with_len(T, __len) list_with_len(sizeof(T), __len)
#define list_foreach(T, iter, list) for(T iter = list_iterator_begin(list); iter != (T)list_iterator_end(list); ++iter) #define list_foreach(T, iter, list) for(T iter = list_iterator_begin(list); iter != (T)list_iterator_end(list); ++iter)
#define list_at_as(T, __list, __i) ((T*)(list_at(__list, __i))) #define list_at_as(T, __list, __i) ((T*)(list_at(__list, __i)))