MrGeorgen/advanced_C_standard_library
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checks for alloc errors

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MrGeorgen
2020-08-02 14:56:34 +02:00
parent b5082e571b
commit debf0daf33
1 changed files with 4 additions and 1 deletions
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5
src/array.c
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@ -19,6 +19,7 @@ union arraylist_meta {
void* acl_arraylist_create(size_t array_size, size_t sizeof_one_element) { void* acl_arraylist_create(size_t array_size, size_t sizeof_one_element) {
union arraylist_meta *arraylist_new = malloc(array_size * sizeof_one_element + sizeof*arraylist_new); union arraylist_meta *arraylist_new = malloc(array_size * sizeof_one_element + sizeof*arraylist_new);
if(arraylist_new == NULL) return NULL;
arraylist_new->len = array_size; arraylist_new->len = array_size;
arraylist_new->cap = array_size; arraylist_new->cap = array_size;
arraylist_new->sizeof_one_element = sizeof_one_element; arraylist_new->sizeof_one_element = sizeof_one_element;
@ -28,7 +29,9 @@ void* acl_arraylist_create(size_t array_size, size_t sizeof_one_element) {
void* acl_arraylist_append(void *arraylist_void, void *element) { void* acl_arraylist_append(void *arraylist_void, void *element) {
void *append_pointer; void *append_pointer;
void **element_append = &append_pointer; void **element_append = &append_pointer;
union arraylist_meta *arraylist = (union arraylist_meta*)acl_arraylist_append_ptr(arraylist_void, element_append) - 1; union arraylist_meta *arraylist = acl_arraylist_append_ptr(arraylist_void, element_append);
if(arraylist == NULL) return NULL;
--arraylist;
memcpy(*element_append, element, arraylist->sizeof_one_element); memcpy(*element_append, element, arraylist->sizeof_one_element);
return arraylist + 1; return arraylist + 1;
} }