abt to big refactor

src/util/string.c

@@ -82,4 +82,46 @@ int32_t stringFormatVA(
   assertTrue(ret >= 0, "Failed to format string.");
   assertTrue(ret < destSize, "Formatted string is too long.");
   return ret;
+}
+
+bool_t stringToI32(const char_t *str, int32_t *out) {
+  assertNotNull(str, "str must not be NULL");
+  assertNotNull(out, "out must not be NULL");
+
+  char_t *endptr;
+  errno = 0;
+  long int result = strtol(str, &endptr, 10);
+  if (errno != 0 || *endptr != '\0') {
+    return false;
+  }
+  *out = (int32_t)result;
+  return true;
+}
+
+bool_t stringToI64(const char_t *str, int64_t *out) {
+  assertNotNull(str, "str must not be NULL");
+  assertNotNull(out, "out must not be NULL");
+
+  char_t *endptr;
+  errno = 0;
+  long long int result = strtoll(str, &endptr, 10);
+  if (errno != 0 || *endptr != '\0') {
+    return false;
+  }
+  *out = (int64_t)result;
+  return true;
+}
+
+bool_t stringToU16(const char_t *str, uint16_t *out) {
+  assertNotNull(str, "str must not be NULL");
+  assertNotNull(out, "out must not be NULL");
+
+  char_t *endptr;
+  errno = 0;
+  unsigned long int result = strtoul(str, &endptr, 10);
+  if (errno != 0 || *endptr != '\0' || result > UINT16_MAX) {
+    return false;
+  }
+  *out = (uint16_t)result;
+  return true;
 }