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feat: add tests

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This commit is contained in:
Francesco
2025-09-07 17:35:30 +02:00
parent be154db6cf
commit 3e0584d139
10 changed files with 165 additions and 129 deletions
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35
string/mystring.c
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@@ -6,17 +6,18 @@
#include <string.h>
#include <threads.h>
/* Initialize Thread-Specific Data Keys */
/* Initialize Thread-Specific Storage */
static tss_t buffer_key;
static once_flag buffer_once = ONCE_FLAG_INIT;
typedef struct {
char *buf;
size_t cap;
} tl_buffer_t;
char *buf; /**< Allocated buffer */
size_t cap; /**< Buffer's capacity */
} tl_buffer_s;
static void buffer_destructor(void *buf) {
tl_buffer_t *tb = (tl_buffer_t *)buf;
tl_buffer_s *tb = (tl_buffer_s *)buf;
if (tb == NULL) {
return;
}
@@ -26,8 +27,8 @@ static void buffer_destructor(void *buf) {
static void buffer_key_init(void) { tss_create(&buffer_key, buffer_destructor); }
/* Dynamic String library */
size_t mcl_next_power_two(size_t len) {
/* Returns the next power of two of a number */
static size_t next_power_two(size_t len) {
if (len == 0) return 1;
size_t p = 1;
@@ -55,6 +56,7 @@ mcl_string_s *mcl_string_new(const char *text, size_t initial_capacity) {
str->size = strlen(text);
if (initial_capacity != 0 && initial_capacity < (str->size + 1)) {
/* Can't allocate with this capacity */
free(str);
return NULL;
@@ -62,12 +64,13 @@ mcl_string_s *mcl_string_new(const char *text, size_t initial_capacity) {
size_t capacity = initial_capacity;
if (capacity == 0) {
capacity = mcl_next_power_two(str->size + 1);
/* Calculate the needed capacity */
capacity = next_power_two(str->size + 1);
}
str->capacity = capacity;
/* Allocate data buffer */
/* Allocate data (text) buffer */
str->data = malloc(str->capacity);
if (str->data == NULL) {
free(str);
@@ -79,7 +82,7 @@ mcl_string_s *mcl_string_new(const char *text, size_t initial_capacity) {
memcpy(str->data, text, str->size);
str->data[str->size] = '\0';
/* Init pthread mutex */
/* Init mutex */
if (mtx_init(&str->lock, mtx_plain) != thrd_success) {
free(str->data);
free(str);
@@ -95,7 +98,6 @@ int mcl_string_append(mcl_string_s *string, const char *text) {
return -1;
}
/* Lock resource */
if (mtx_lock(&string->lock) != thrd_success) {
return -1;
}
@@ -112,7 +114,7 @@ int mcl_string_append(mcl_string_s *string, const char *text) {
/* Check if we need to resize */
if (new_size + 1 > string->capacity) {
size_t new_capacity = mcl_next_power_two(new_size + 1);
size_t new_capacity = next_power_two(new_size + 1);
/* Reallocate the buffer */
void *new_data = realloc(string->data, new_capacity);
if (!new_data) {
@@ -200,8 +202,10 @@ char *mcl_string_cstr(mcl_string_s *string) {
size_t need = string->size + 1;
tl_buffer_t *tb = (tl_buffer_t *)tss_get(buffer_key);
/* Retrieve thread local buffer */
tl_buffer_s *tb = (tl_buffer_s *)tss_get(buffer_key);
if (tb == NULL) {
/* Not found, make a new one */
tb = malloc(sizeof(*tb));
if (tb == NULL) {
mtx_unlock(&string->lock);
@@ -209,7 +213,7 @@ char *mcl_string_cstr(mcl_string_s *string) {
return NULL;
}
tb->cap = mcl_next_power_two(need);
tb->cap = next_power_two(need);
tb->buf = malloc(tb->cap);
if (tb->buf == NULL) {
free(tb);
@@ -226,7 +230,8 @@ char *mcl_string_cstr(mcl_string_s *string) {
return NULL;
}
} else if (tb->cap < need) {
size_t newcap = mcl_next_power_two(need);
/* Found, but we need a bigger buffer */
size_t newcap = next_power_two(need);
char *tmp = realloc(tb->buf, newcap);
if (tmp == NULL) {
mtx_unlock(&string->lock);