Initial upload

2026-08-05 23:28:45 +00:00 · 2021-01-20 11:19:34 -07:00
commit 90fc1de709
30 changed files with 5769 additions and 0 deletions
@@ -0,0 +1,95 @@
+////////////////////////////////
+// TODO(allen): Write commentary for all of this.
+
+#define MAX_PATH 260
+typedef unsigned long DWORD;
+typedef unsigned short WORD;
+typedef int BOOL;
+typedef void *HANDLE;
+typedef char CHAR;
+typedef const CHAR *LPCSTR;
+
+typedef struct _FILETIME _FILETIME;
+struct _FILETIME
+{
+    DWORD dwLowDateTime;
+    DWORD dwHighDateTime;
+};
+typedef _FILETIME FILETIME;
+typedef _FILETIME *PFILETIME;
+typedef _FILETIME *LPFILETIME;
+
+typedef struct _WIN32_FIND_DATAA _WIN32_FIND_DATAA;
+struct _WIN32_FIND_DATAA
+{
+#define FILE_ATTRIBUTE_DIRECTORY 0x10
+    DWORD    dwFileAttributes;
+    FILETIME ftCreationTime;
+    FILETIME ftLastAccessTime;
+    FILETIME ftLastWriteTime;
+    DWORD    nFileSizeHigh;
+    DWORD    nFileSizeLow;
+    DWORD    dwReserved0;
+    DWORD    dwReserved1;
+    CHAR     cFileName[MAX_PATH];
+    CHAR     cAlternateFileName[14];
+    DWORD    dwFileType;
+    DWORD    dwCreatorType;
+    WORD     wFinderFlags;
+};
+
+typedef _WIN32_FIND_DATAA WIN32_FIND_DATAA;
+typedef _WIN32_FIND_DATAA *PWIN32_FIND_DATAA;
+typedef _WIN32_FIND_DATAA *LPWIN32_FIND_DATAA;
+
+MD_C_LINKAGE_BEGIN
+
+HANDLE FindFirstFileA(LPCSTR lpFileName, LPWIN32_FIND_DATAA lpFindFileData);
+BOOL FindNextFileA(HANDLE hFindFile, LPWIN32_FIND_DATAA lpFindFileData);
+
+MD_C_LINKAGE_END
+
+
+#pragma comment(lib, "User32.lib")
+
+#define MD_IMPL_FileIterIncrement MD_WIN32_FileIterIncrement
+
+static MD_b32
+MD_WIN32_FileIterIncrement(MD_FileIter *it, MD_String8 path, MD_FileInfo *out_info)
+{
+    MD_b32 result = 0;
+    
+    WIN32_FIND_DATAA find_data = {0};
+    HANDLE state = *(HANDLE *)(&it->state);
+    if(state == 0)
+    {
+        MD_b32 need_star = 0;
+        if(path.str[path.size-1] == '/' ||
+           path.str[path.size-1] == '\\')
+        {
+            need_star = 1;
+        }
+        MD_String8 cpath = need_star ? MD_PushStringF("%.*s*", MD_StringExpand(path)) : path;
+        state = FindFirstFileA((char*)cpath.str, &find_data);
+        result = !!state;
+    }
+    else
+    {
+        result = !!FindNextFileA(state, &find_data);
+    }
+    
+    it->state = *(MD_u64 *)(&state);
+    if(result)
+    {
+        out_info->flags = 0;
+        if(find_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+        {
+            out_info->flags |= MD_FileFlag_Directory;
+        }
+        out_info->filename = MD_PushStringF("%s", find_data.cFileName);
+        out_info->file_size = ((((MD_u64)find_data.nFileSizeHigh) << 32) |
+                               ((MD_u64)find_data.nFileSizeLow));
+    }
+    
+    return result;
+}