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Merge branch 'master' of https://git.lain.church/emil/hl

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This commit is contained in:
anon 2023-08-24 01:36:22 +02:00
commit 79c45b5e2c
1 changed files with 47 additions and 8 deletions
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55
tests/vector.c
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@ -14,6 +14,10 @@ typedef struct {
char * c; char * c;
} example_t; } example_t;
extern void vector_init(vector_t * vector,
size_t element_size,
size_t element_count);
extern void vector_push(vector_t * vector, extern void vector_push(vector_t * vector,
void * data); void * data);
@ -22,11 +26,34 @@ extern void vector_pop(vector_t * vector);
extern void * vector_get(vector_t * vector, extern void * vector_get(vector_t * vector,
size_t element); size_t element);
extern void vector_set(vector_t * vector,
void * data,
size_t element);
extern void vector_free(vector_t * vector); extern void vector_free(vector_t * vector);
extern void example_print(example_t * example); extern void example_print(example_t * example);
// Add only 1 new element to vector. void vector_init(vector_t * vector,
size_t element_size,
size_t element_count) {
vector->data = NULL;
vector->element_size = element_size;
vector->element_count = element_count;
vector->data = malloc(vector->element_size * vector->element_count);
if ((! vector->data) && (vector->element_count)) {
// Handle or output error somehow?
puts("vector_init");
exit(EXIT_FAILURE);
}
memset(vector->data,
0,
vector->element_size * vector->element_count);
}
void vector_push(vector_t * vector, void vector_push(vector_t * vector,
void * data) { void * data) {
++vector->element_count; ++vector->element_count;
@ -34,7 +61,7 @@ void vector_push(vector_t * vector,
vector->data = realloc(vector->data, vector->data = realloc(vector->data,
vector->element_size * vector->element_count); vector->element_size * vector->element_count);
if (vector->data == NULL) { if (! vector->data) {
// Handle or output error somehow? // Handle or output error somehow?
puts("vector_push"); puts("vector_push");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
@ -60,6 +87,20 @@ void * vector_get(vector_t * vector,
return &vector->data[vector->element_size * element]; return &vector->data[vector->element_size * element];
} }
void vector_set(vector_t * vector,
void * data,
size_t element) {
if (element >= vector->element_count) {
// Handle or output error somehow?
puts("vector_set");
exit(EXIT_FAILURE);
}
memcpy(&vector->data[vector->element_size * element],
data,
vector->element_size);
}
void vector_free(vector_t * vector) { void vector_free(vector_t * vector) {
free(vector->data); free(vector->data);
} }
@ -77,13 +118,11 @@ int main(void) {
y = { 2, -2, "B" }, y = { 2, -2, "B" },
z = { 3, -3, "C" }; z = { 3, -3, "C" };
vector.data = NULL; // Important to NULL it. vector_init(&vector, sizeof(example_t), 10);
vector.element_size = sizeof(example_t); // Important to type it.
vector.element_count = 0UL; // Important to 0 it.
vector_push(&vector, &x); vector_set(&vector, &x, 0);
vector_push(&vector, &y); vector_set(&vector, &y, 1);
vector_push(&vector, &z); vector_set(&vector, &z, 2);
example_print(vector_get(&vector, 0)); example_print(vector_get(&vector, 0));
example_print(vector_get(&vector, 1)); example_print(vector_get(&vector, 1));