feat(path): add sentry__path_get_dir_size helper

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: jpnurmi

src/path/sentry_path.c

@@ -79,6 +79,19 @@ sentry__path_remove_all(const sentry_path_t *path)
     return sentry__path_remove(path);
 }
 
+size_t
+sentry__path_get_dir_size(const sentry_path_t *path)
+{
+    size_t total = 0;
+    sentry_pathiter_t *iter = sentry__path_iter_directory(path);
+    const sentry_path_t *entry;
+    while (iter && (entry = sentry__pathiter_next(iter)) != NULL) {
+        total += sentry__path_get_size(entry);
+    }
+    sentry__pathiter_free(iter);
+    return total;
+}
+
 sentry_filelock_t *
 sentry__filelock_new(sentry_path_t *path)
 {

src/sentry_path.h

@@ -183,6 +183,12 @@ int sentry__path_touch(const sentry_path_t *path);
  */
 size_t sentry__path_get_size(const sentry_path_t *path);
 
+/**
+ * This will return the total size of all files in the directory at `path`,
+ * or 0 if the directory does not exist or is empty.
+ */
+size_t sentry__path_get_dir_size(const sentry_path_t *path);
+
 /**
  * This will return the last modification time of the file at `path`, or 0 on
  * failure.

tests/unit/test_path.c

@@ -340,6 +340,36 @@ SENTRY_TEST(path_rename)
     sentry__path_free(src);
 }
 
+SENTRY_TEST(path_dir_size)
+{
+    sentry_path_t *dir
+        = sentry__path_from_str(SENTRY_TEST_PATH_PREFIX ".dir-size");
+    TEST_ASSERT(!!dir);
+
+    sentry__path_remove_all(dir);
+
+    TEST_CHECK(sentry__path_get_dir_size(dir) == 0);
+
+    sentry__path_create_dir_all(dir);
+
+    sentry_path_t *file_a = sentry__path_join_str(dir, "a.txt");
+    TEST_ASSERT(!!file_a);
+    sentry__path_write_buffer(file_a, "hello", 5);
+
+    sentry_path_t *file_b = sentry__path_join_str(dir, "b.txt");
+    TEST_ASSERT(!!file_b);
+    sentry__path_write_buffer(file_b, "world!", 6);
+
+    TEST_CHECK(sentry__path_get_dir_size(dir) == 11);
+
+    TEST_CHECK(sentry__path_get_dir_size(file_a) == 0);
+
+    sentry__path_remove_all(dir);
+    sentry__path_free(file_b);
+    sentry__path_free(file_a);
+    sentry__path_free(dir);
+}
+
 SENTRY_TEST(path_copy)
 {
 #if defined(SENTRY_PLATFORM_NX)

tests/unit/tests.inc

@@ -157,6 +157,7 @@ XX(page_allocator)
 XX(path_basics)
 XX(path_copy)
 XX(path_current_exe)
+XX(path_dir_size)
 XX(path_directory)
 XX(path_from_str_n_wo_null_termination)
 XX(path_from_str_null)