5 files changed, 19 insertions, 16 deletions
diff --git a/source/kit/file.c b/source/kit/file.c
index bb32cdb..ff3a18d 100644
--- a/source/kit/file.c
+++ b/source/kit/file.c
@@ -295,7 +295,7 @@ kit_status_t kit_file_remove_recursive(kit_str_t const       path,
   return KIT_ERROR;
 }
 
-int kit_path_type(kit_str_t const path) {
+kit_path_type_t kit_path_type(kit_str_t const path) {
   PREPARE_PATH_BUF_;
 #if defined(_WIN32) && !defined(__CYGWIN__)
   if (PathFileExistsW(buf)) {
@@ -307,9 +307,9 @@ int kit_path_type(kit_str_t const path) {
 #else
   struct stat info;
   if (stat(buf, &info) == 0) {
-    if ((info.st_mode & S_IFREG) != 0)
+    if (S_ISREG(info.st_mode))
       return KIT_PATH_FILE;
-    if ((info.st_mode & S_IFDIR) != 0)
+    if (S_ISDIR(info.st_mode))
       return KIT_PATH_FOLDER;
   }
 #endif
diff --git a/source/kit/file.h b/source/kit/file.h
index 68abea0..e85a076 100644
--- a/source/kit/file.h
+++ b/source/kit/file.h
@@ -17,12 +17,13 @@ extern "C" {
 #  define KIT_ENV_HOME "HOME"
 #endif
 
-enum {
+typedef enum {
   KIT_PATH_NONE,
   KIT_PATH_FILE,
-  KIT_PATH_FOLDER,
-  KIT_FILE_SIZE_ERROR = -1
-};
+  KIT_PATH_FOLDER
+} kit_path_type_t;
+
+enum { KIT_FILE_SIZE_ERROR = -1 };
 
 kit_string_t kit_path_norm(kit_str_t path, kit_allocator_t alloc);
 
@@ -46,7 +47,7 @@ kit_status_t kit_file_remove_folder(kit_str_t path);
 kit_status_t kit_file_remove_recursive(kit_str_t       path,
                                        kit_allocator_t alloc);
 
-int kit_path_type(kit_str_t path);
+kit_path_type_t kit_path_type(kit_str_t path);
 
 ptrdiff_t kit_file_size(kit_str_t path);
 
@@ -71,6 +72,7 @@ void kit_path_list_destroy(kit_path_list_t list);
 #  define file_remove_recursive kit_file_remove_recursive
 #  define path_type kit_path_type
 #  define file_size kit_file_size
+#  define path_type_t kit_path_type_t
 #  define path_list_t kit_path_list_t
 #  define file_enum_folder kit_file_enum_folder
 #  define path_list_destroy kit_path_list_destroy
diff --git a/source/kit/input_buffer.c b/source/kit/input_buffer.c
index eae0f1a..5c38c22 100644
--- a/source/kit/input_buffer.c
+++ b/source/kit/input_buffer.c
@@ -71,25 +71,25 @@ kit_ib_handle_t kit_ib_wrap(kit_is_handle_t upstream,
                             kit_allocator_t alloc) {
   kit_ib_handle_t buf;
   memset(&buf, 0, sizeof buf);
-  buf.error = 0;
+  buf.status = KIT_OK;
   DA_INIT(buf.data, 0, alloc);
   buf.internal = buf_init(upstream, alloc);
   if (buf.internal == NULL)
-    buf.error = 1;
+    buf.status = KIT_ERROR;
   return buf;
 }
 
 kit_ib_handle_t kit_ib_read(kit_ib_handle_t buf, ptrdiff_t size) {
   kit_ib_handle_t next;
   memset(&next, 0, sizeof next);
-  if (buf.error) {
-    next.error = 1;
+  if (buf.status != KIT_OK) {
+    next.status = buf.status;
   } else {
     buf_acquire(buf.internal);
     buf_adjust(buf.internal, buf.offset + size);
     DA_INIT(next.data, size, buf_alloc(buf.internal));
     if (next.data.size != size)
-      next.error = 1;
+      next.status = KIT_ERROR;
     kit_out_str_t destination = { .size   = next.data.size,
                                   .values = next.data.values };
     ptrdiff_t     n = buf_read(buf.internal, buf.offset, destination);
@@ -97,7 +97,7 @@ kit_ib_handle_t kit_ib_read(kit_ib_handle_t buf, ptrdiff_t size) {
     next.internal   = buf.internal;
     DA_RESIZE(next.data, n);
     if (next.data.size != n)
-      next.error = 1;
+      next.status = KIT_ERROR;
   }
   return next;
 }
diff --git a/source/kit/input_buffer.h b/source/kit/input_buffer.h
index 7c81da1..1b4329f 100644
--- a/source/kit/input_buffer.h
+++ b/source/kit/input_buffer.h
@@ -3,13 +3,14 @@
 
 #include "dynamic_array.h"
 #include "input_stream.h"
+#include "status.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 typedef struct {
-  int          error;
+  kit_status_t status;
   ptrdiff_t    offset;
   void        *internal;
   kit_string_t data;
diff --git a/source/test/unittests/input_buffer.test.c b/source/test/unittests/input_buffer.test.c
index 175537c..f1b3738 100644
--- a/source/test/unittests/input_buffer.test.c
+++ b/source/test/unittests/input_buffer.test.c
@@ -10,7 +10,7 @@ TEST("input buffer read once") {
 
   ib_handle_t second = ib_read(first, 3);
 
-  REQUIRE(!second.error);
+  REQUIRE(second.status == KIT_OK);
   REQUIRE(second.data.size == 3);
   REQUIRE(AR_EQUAL(text, second.data));