progress

src/DynString.c

@@ -1,17 +1,49 @@
 #include <stdlib.h>
 #include <string.h>
+#include <stdbool.h>
 
 #include "DynString.h"
+#include "log.h"
 
-short DynString_alloc(DynString* dstr, const char* str, const size_t len) {
-    dstr->data = (char*) malloc(sizeof(char) * len + 1);
-    if (dstr->data == NULL) {
-        return -1;
+DynString DynString_alloc(const char* str, const size_t len) {
+    DynString dstr = {
+        .data = (char*) malloc(sizeof(char) * len),
+        .len = len
+    };
+    if (dstr.data == NULL) {
+        LOG_FATAL("Ran out of memory");
     }
-    dstr->data = memcpy(dstr->data, str, len);
-    dstr->data[len] = '\0';
-    dstr->len = len;
+    dstr.data = memcpy(dstr.data, str, len);
 
-    return 1;
+    return dstr;
+}
+
+void DynString_free(DynString* dstr) {
+    if (dstr->data != NULL) {
+        free(dstr->data);
+    }
+    dstr->len = 0;
+}
+
+bool DynString_is_null(const DynString* dstr) {
+    return dstr->data == NULL;
+}
+
+bool DynString_equal(const DynString* s1, const DynString* s2) {
+    if (s1->len != s2->len) {
+        return false;
+    }
+
+    if (s1->data == NULL || s2->data == NULL) {
+        return false;
+    }
+
+    for (size_t i = 0; i < s1->len; i++) {
+        if (s1->data[i] != s2->data[i]) {
+            return false;
+        }
+    }
+
+    return true;
 }