tests: file lists [not finished]

test/file_p/utils.c

@@ -1,13 +1,54 @@
 #include "../../src/main.h"
+#include <stddef.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
+#include "utils.h"
 
-void fill_list_with_samples(fl_t *fl_sample, fl_t **fl_st,
-                                   fl_t **fl_cur, int amount) {
+dbuf_t *dbuf_init(size_t init_sz) {
+  dbuf_t *dbuf = malloc(sizeof(dbuf_t));
+  dbuf->ptr = malloc(init_sz);
+  dbuf->len = 0;
+  dbuf->capacity = init_sz;
+  return dbuf;
+}
+
+static int it_times = 0;
+
+int32_t dbuf_write(const char *text, size_t text_len, dbuf_t **__dbuf) {
+  dbuf_t *dbuf = *__dbuf;
+  if (text_len > (dbuf->capacity - dbuf->len)) {
+    if (text_len > (dbuf->capacity * 2 - dbuf->len)) {
+      dbuf->capacity = text_len * 2;
+    } else {
+      dbuf->capacity = dbuf->capacity * 2;
+    }
+    (*__dbuf)->ptr = realloc(dbuf->ptr, dbuf->capacity);
+    dbuf = *__dbuf;
+  }
+
+  it_times++;
+  int _it_times = it_times;
+  strncpy(dbuf->ptr + dbuf->len, text, text_len);
+  dbuf->len += text_len;
+  return 0;
+}
+
+int32_t dbuf_destroy(dbuf_t **dbuf) {
+  free((*dbuf)->ptr);
+  free(*dbuf);
+  *dbuf = NULL;
+  return 0;
+}
+
+void fill_list_with_samples(fl_t *fl_sample, fl_t **fl_st, fl_t **fl_cur,
+                            int amount) {
   fl_t *_fl_st, *_fl_cur;
-  
-  if (fl_st == NULL) return;
+
+  if (fl_st == NULL)
+    return;
 
   for (int i = 0; i < amount; i++) {
     if (i == 0) {
@@ -19,6 +60,8 @@ void fill_list_with_samples(fl_t *fl_sample, fl_t **fl_st,
       _fl_cur = _fl_cur->next;
     }
 
+    _fl_cur->next = NULL;
+
     _fl_cur->name = malloc(sizeof(char) * (strlen(fl_sample->name) + 32));
     _fl_cur->description =
         malloc(sizeof(char) * strlen(fl_sample->description) + 1);
@@ -31,7 +74,7 @@ void fill_list_with_samples(fl_t *fl_sample, fl_t **fl_st,
            sizeof(char) * strlen(fl_sample->owner) + 1);
   }
   *fl_st = _fl_st;
-  if (fl_cur != NULL) {      
-      *fl_cur = _fl_cur;
+  if (fl_cur != NULL) {
+    *fl_cur = _fl_cur;
   }
 }