fix array allocation

This commit is contained in:
sam 2024-07-18 17:06:09 +12:00
parent 0d4d2c2f99
commit b64b6f7027

354
slibs.h
View file

@ -9,70 +9,80 @@
#pragma region Memory
typedef struct sl_metadata {
uint8_t magic;
uint32_t size;
typedef struct sl_metadata
{
uint8_t magic;
uint32_t size;
} sl_metadata;
#define MD_SZ sizeof(sl_metadata)
#define MD_MAGIC 0xDE
typedef void* sl_mem;
typedef void *sl_mem;
void* sl_get_memory(sl_metadata* m);
sl_metadata* sl_get_metadata(sl_mem ptr);
void* sl_malloc(uint32_t size);
void* sl_realloc(sl_mem ptr, uint32_t size);
sl_mem __sl_serialize_struct(void* struc, size_t size);
#define sl_serialize_struct(struc) __sl_serialize_struct((void*)&struc, sizeof(struc))
void *sl_get_memory(sl_metadata *m);
sl_metadata *sl_get_metadata(sl_mem ptr);
void *sl_malloc(uint32_t size);
void *sl_realloc(sl_mem ptr, uint32_t size);
sl_mem __sl_serialize_struct(void *struc, size_t size);
#define sl_serialize_struct(struc) __sl_serialize_struct((void *)&struc, sizeof(struc))
#ifdef SL_IMPLEMENTATION
sl_mem sl_get_memory(sl_metadata* md) {
return (sl_mem)((uintptr_t)md + MD_SZ);
sl_mem sl_get_memory(sl_metadata *md)
{
return (sl_mem)((uintptr_t)md + MD_SZ);
}
sl_metadata* sl_get_metadata(sl_mem ptr) {
sl_metadata* md = (sl_metadata*)((uintptr_t)ptr - MD_SZ);
assert(md->magic == MD_MAGIC && "Metadata magic does not match.");
return md;
sl_metadata *sl_get_metadata(sl_mem ptr)
{
sl_metadata *md = (sl_metadata *)((uintptr_t)ptr - MD_SZ);
assert(md->magic == MD_MAGIC && "Metadata magic does not match.");
return md;
}
sl_mem sl_malloc(uint32_t size) {
sl_metadata* md = (sl_metadata*)malloc(size + MD_SZ);
md->magic = MD_MAGIC;
md->size = size;
return sl_get_memory(md);
sl_mem sl_malloc(uint32_t size)
{
sl_metadata *md = (sl_metadata *)malloc(size + MD_SZ);
md->magic = MD_MAGIC;
md->size = size;
return sl_get_memory(md);
}
void* sl_realloc(sl_mem ptr, uint32_t size) {
sl_metadata* md = (sl_metadata*)realloc(sl_get_metadata(ptr), size);
md->size = size;
return sl_get_memory(md);
void *sl_realloc(sl_mem ptr, uint32_t size)
{
sl_metadata *md = (sl_metadata *)realloc(sl_get_metadata(ptr), size);
md->size = size;
return sl_get_memory(md);
}
sl_mem __sl_serialize_struct(sl_mem struc, size_t size) {
sl_mem mem = NULL;
size_t offset = 0;
sl_mem __sl_serialize_struct(sl_mem struc, size_t size)
{
sl_mem mem = NULL;
size_t offset = 0;
for(int i = 0; i < size / sizeof(uintptr_t); i++) {
sl_mem ptr = *(sl_mem*)(struc + i * sizeof(void*));
sl_metadata* md = sl_get_metadata(ptr);
for (int i = 0; i < size / sizeof(uintptr_t); i++)
{
sl_mem ptr = *(sl_mem *)(struc + i * sizeof(void *));
sl_metadata *md = sl_get_metadata(ptr);
size_t full_size = md->size + MD_SZ;
size_t full_size = md->size + MD_SZ;
if(mem == NULL) {
mem = sl_malloc(full_size);
} else {
sl_metadata* mem_md = sl_get_metadata(mem);
mem = sl_realloc(mem, mem_md->size + full_size);
}
memcpy(mem + offset, md, MD_SZ);
offset += MD_SZ;
memcpy(mem + offset, ptr, md->size);
offset += md->size;
if (mem == NULL)
{
mem = sl_malloc(full_size);
}
else
{
sl_metadata *mem_md = sl_get_metadata(mem);
mem = sl_realloc(mem, mem_md->size + full_size);
}
return mem;
memcpy(mem + offset, md, MD_SZ);
offset += MD_SZ;
memcpy(mem + offset, ptr, md->size);
offset += md->size;
}
return mem;
}
#endif
@ -81,33 +91,33 @@ sl_mem __sl_serialize_struct(sl_mem struc, size_t size) {
#define sl_auto(name, x) typeof(x) name = x
#define sl_new(type, ...) \
({ \
type *ptr = sl_malloc(sizeof(type)); \
*ptr = (type){__VA_ARGS__}; \
ptr; \
#define sl_new(type, ...) \
({ \
type *ptr = sl_malloc(sizeof(type)); \
*ptr = (type){__VA_ARGS__}; \
ptr; \
})
#define sl_init(type, ...) \
#define sl_init(type, ...) \
(type) { __VA_ARGS__ }
#define sl_array_len(arr) sizeof(arr) / sizeof(arr[0])
#define sl_fmt_spec(arg) \
_Generic((arg), \
int8_t: "%d", \
int16_t: "%d", \
int32_t: "%d", \
int64_t: "%lld", \
uint8_t: "%u", \
uint16_t: "%u", \
uint32_t: "%lu", \
uint64_t: "%llu", \
double: "%lf", \
float: "%f", \
char: "%c", \
char *: "%s", \
void *: "%p", \
#define sl_fmt_spec(arg) \
_Generic((arg), \
int8_t: "%d", \
int16_t: "%d", \
int32_t: "%d", \
int64_t: "%lld", \
uint8_t: "%u", \
uint16_t: "%u", \
uint32_t: "%lu", \
uint64_t: "%llu", \
double: "%lf", \
float: "%f", \
char: "%c", \
char *: "%s", \
void *: "%p", \
default: "Unknown")
#define sl_stringify(x) #x
@ -115,42 +125,48 @@ sl_mem __sl_serialize_struct(sl_mem struc, size_t size) {
#pragma endregion
#pragma region Vector
#define sl_vec(type) \
struct { \
type *data; \
size_t size; \
size_t capacity; \
#define sl_vec(type) \
struct \
{ \
type *data; \
size_t size; \
size_t capacity; \
}
#define sl_vec_grow(vec) \
{ \
(vec).capacity = (vec).capacity * 2 + 1; \
void *ptr = sl_realloc((vec).data, (vec).capacity * sizeof(*(vec).data)); \
if (ptr) \
(vec).data = ptr; \
#define sl_vec_grow(vec) \
{ \
(vec).capacity = (vec).capacity * 2 + 1; \
void *ptr; \
if ((vec).data == NULL) \
ptr = sl_malloc((vec).capacity * sizeof(*(vec).data)); \
else \
ptr = sl_realloc((vec).data, (vec).capacity * sizeof(*(vec).data)); \
assert(ptr != NULL); \
(vec).data = ptr; \
}
#define sl_vec_push(vec, element) \
{ \
if ((vec).size >= (vec).capacity) \
sl_vec_grow(vec); \
(vec).data[(vec).size++] = (element); \
#define sl_vec_push(vec, element) \
{ \
if ((vec).size >= (vec).capacity) \
sl_vec_grow(vec); \
(vec).data[(vec).size++] = (element); \
}
#define sl_vec_shift(vec, element) \
{ \
if ((vec).size >= (vec).capacity) \
sl_vec_grow(vec); \
memmove((vec).data + 1, (vec).data, (vec).size * sizeof(*(vec).data)); \
(vec).data[0] = (element); \
(vec).size++; \
#define sl_vec_shift(vec, element) \
{ \
if ((vec).size >= (vec).capacity) \
sl_vec_grow(vec); \
memmove((vec).data + 1, (vec).data, (vec).size * sizeof(*(vec).data)); \
(vec).data[0] = (element); \
(vec).size++; \
}
#define sl_vec_pop(vec) \
{ \
if ((vec).size > 0) { \
(vec).size--; \
} \
#define sl_vec_pop(vec) \
{ \
if ((vec).size > 0) \
{ \
(vec).size--; \
} \
}
#define sl_vec_at(vec, index) ((vec).data[index])
@ -165,9 +181,9 @@ sl_mem __sl_serialize_struct(sl_mem struc, size_t size) {
#define sl_vec_end(vec) ((vec).data + (vec).size)
#define sl_vec_it(name, vec) \
sl_auto((name), sl_vec_begin(vec)); \
(name) != sl_vec_end(vec); \
#define sl_vec_it(name, vec) \
sl_auto((name), sl_vec_begin(vec)); \
(name) != sl_vec_end(vec); \
++(name)
#pragma endregion
@ -175,79 +191,85 @@ sl_mem __sl_serialize_struct(sl_mem struc, size_t size) {
typedef sl_vec(char) sl_string;
#define sl_string(c_str) \
({ \
sl_string str = {0}; \
for (size_t i = 0; i < strlen((c_str)); i++) \
sl_vec_push(str, (c_str)[i]); \
str; \
#define sl_string(c_str) \
({ \
sl_string str = {0}; \
for (size_t i = 0; i < strlen((c_str)); i++) \
sl_vec_push(str, (c_str)[i]); \
str; \
})
#define sl_tostring(val) \
({ \
sl_auto(len, snprintf(NULL, 0, sl_fmt_spec(val), val) + 1); \
sl_auto(buf, (char *)sl_malloc(len)); \
snprintf(buf, len, sl_fmt_spec(val), val); \
sl_auto(str, sl_string(buf)); \
free(buf); \
str; \
#define sl_tostring(val) \
({ \
sl_auto(len, snprintf(NULL, 0, sl_fmt_spec(val), val) + 1); \
sl_auto(buf, (char *)sl_malloc(len)); \
snprintf(buf, len, sl_fmt_spec(val), val); \
sl_auto(str, sl_string(buf)); \
free(buf); \
str; \
})
#define sl_str_free(str) sl_vec_free(str)
#define sl_c_str(str) \
({ \
sl_vec_push((str), '\0'); \
(str).size--; \
(str).data; \
#define sl_c_str(str) \
({ \
sl_vec_push((str), '\0'); \
(str).size--; \
(str).data; \
})
#pragma endregion
#pragma region Pointers
#define sl_ptr(type) \
struct { \
type *ptr; \
int ref_count; \
#define sl_ptr(type) \
struct \
{ \
type *ptr; \
int ref_count; \
}
#define sl_ptr_make(raw_ptr) \
{ raw_ptr, 1 }
#define sl_ptr_make(raw_ptr) \
{ \
raw_ptr, 1 \
}
#define sl_ptr_release(smart_ptr) \
({ \
smart_ptr.ref_count--; \
if (smart_ptr.ref_count <= 0) { \
free(smart_ptr.ptr); \
} \
#define sl_ptr_release(smart_ptr) \
({ \
smart_ptr.ref_count--; \
if (smart_ptr.ref_count <= 0) \
{ \
free(smart_ptr.ptr); \
} \
})
#define sl_ptr_get(smart_ptr, raw_ptr_name, scope) \
({ \
assert(smart_ptr.ref_count > 0 && "Smart pointer already released!"); \
sl_auto(raw_ptr_name, smart_ptr.ptr); \
smart_ptr.ref_count++; \
scope; \
sl_ptr_release(smart_ptr); \
#define sl_ptr_get(smart_ptr, raw_ptr_name, scope) \
({ \
assert(smart_ptr.ref_count > 0 && "Smart pointer already released!"); \
sl_auto(raw_ptr_name, smart_ptr.ptr); \
smart_ptr.ref_count++; \
scope; \
sl_ptr_release(smart_ptr); \
});
#define sl_ptr_scope(smart_ptr, scope) \
({ \
scope; \
sl_ptr_release(smart_ptr); \
#define sl_ptr_scope(smart_ptr, scope) \
({ \
scope; \
sl_ptr_release(smart_ptr); \
});
void sl_read_file(const char *filename, sl_string *buffer);
void sl_write_file(const char *filename, const sl_string *buffer);
void sl_write_bytes(const char *filename, const uint8_t *data, size_t length);
uint8_t* sl_read_bytes(const char *filename, size_t *length);
void sl_write_metadata(const char* filename, sl_metadata* m);
void sl_write_memory(const char* filename, void* ptr);
uint8_t *sl_read_bytes(const char *filename, size_t *length);
void sl_write_metadata(const char *filename, sl_metadata *m);
void sl_write_memory(const char *filename, void *ptr);
#ifdef SL_IMPLEMENTATION
void sl_read_file(const char *filename, sl_string *buffer) {
void sl_read_file(const char *filename, sl_string *buffer)
{
FILE *file = fopen(filename, "r");
if (!file) {
if (!file)
{
fprintf(stderr, "Error: could not open file %s\n", filename);
exit(1);
}
@ -256,36 +278,43 @@ void sl_read_file(const char *filename, sl_string *buffer) {
size_t file_size = ftell(file);
fseek(file, 0, SEEK_SET);
for (size_t i = 0; i < file_size; i++) {
for (size_t i = 0; i < file_size; i++)
{
sl_vec_push(*buffer, fgetc(file));
}
fclose(file);
}
void sl_write_file(const char *filename, const sl_string *buffer) {
void sl_write_file(const char *filename, const sl_string *buffer)
{
FILE *file = fopen(filename, "w");
if (!file) {
if (!file)
{
fprintf(stderr, "Error: could not open file %s\n", filename);
exit(1);
}
for (size_t i = 0; i < buffer->size; i++) {
for (size_t i = 0; i < buffer->size; i++)
{
fputc(buffer->data[i], file);
}
fclose(file);
}
void sl_write_bytes(const char *filename, const uint8_t *data, size_t length) {
void sl_write_bytes(const char *filename, const uint8_t *data, size_t length)
{
FILE *file = fopen(filename, "wb");
if (!file) {
if (!file)
{
fprintf(stderr, "Error: could not open file %s\n", filename);
exit(1);
}
size_t written = fwrite(data, sizeof(uint8_t), length, file);
if (written != length) {
if (written != length)
{
fprintf(stderr, "Error: could not write all data to file %s\n", filename);
fclose(file);
exit(1);
@ -294,9 +323,11 @@ void sl_write_bytes(const char *filename, const uint8_t *data, size_t length) {
fclose(file);
}
uint8_t* sl_read_bytes(const char *filename, size_t *length) {
uint8_t *sl_read_bytes(const char *filename, size_t *length)
{
FILE *file = fopen(filename, "rb");
if (!file) {
if (!file)
{
fprintf(stderr, "Error: could not open file %s\n", filename);
exit(1);
}
@ -306,14 +337,16 @@ uint8_t* sl_read_bytes(const char *filename, size_t *length) {
fseek(file, 0, SEEK_SET);
uint8_t *data = (uint8_t *)sl_malloc(file_size);
if (!data) {
if (!data)
{
fprintf(stderr, "Error: could not allocate memory\n");
fclose(file);
exit(1);
}
size_t read = fread(data, sizeof(uint8_t), file_size, file);
if (read != file_size) {
if (read != file_size)
{
fprintf(stderr, "Error: could not read all data from file %s\n", filename);
free(data);
fclose(file);
@ -321,16 +354,19 @@ uint8_t* sl_read_bytes(const char *filename, size_t *length) {
}
fclose(file);
if(length != NULL) *length = file_size;
if (length != NULL)
*length = file_size;
return data;
}
void sl_write_metadata(const char* filename, sl_metadata* m) {
sl_write_bytes(filename, sl_get_memory(m), m->size);
void sl_write_metadata(const char *filename, sl_metadata *m)
{
sl_write_bytes(filename, sl_get_memory(m), m->size);
}
void sl_write_memory(const char* filename, void* ptr) {
sl_write_metadata(filename, sl_get_metadata(ptr));
void sl_write_memory(const char *filename, void *ptr)
{
sl_write_metadata(filename, sl_get_metadata(ptr));
}
#endif