1 files changed, 70 insertions, 0 deletions
diff --git a/src/Dolphin/card/CARDRename.c b/src/Dolphin/card/CARDRename.c
new file mode 100644
index 0000000..83d1c8a
--- /dev/null
+++ b/src/Dolphin/card/CARDRename.c
@@ -0,0 +1,70 @@
+#include <dolphin/card.h>
+#include <dolphin/dsp.h>
+#include <dolphin/dvd.h>
+#include <dolphin/os.h>
+
+#include <dolphin/CARDPriv.h>
+
+s32 CARDRenameAsync(s32 chan, const char* old, const char* new, CARDCallback callback) {
+  CARDControl* card;
+  CARDDir* dir;
+  CARDDir* ent;
+  s32 result;
+  int fileNo;
+  int newNo;
+  int oldNo;
+
+  if (*old == 0xff || *new == 0xff || *old == 0x00 || *new == 0x00) {
+    return CARD_RESULT_FATAL_ERROR;
+  }
+  if (CARD_FILENAME_MAX < (u32)strlen(old) || CARD_FILENAME_MAX < (u32)strlen(new)) {
+    return CARD_RESULT_NAMETOOLONG;
+  }
+  result = __CARDGetControlBlock(chan, &card);
+  if (result < 0) {
+    return result;
+  }
+
+  newNo = oldNo = -1;
+  dir = __CARDGetDirBlock(card);
+  for (fileNo = 0; fileNo < CARD_MAX_FILE; fileNo++) {
+    ent = &dir[fileNo];
+    if (ent->gameName[0] == 0xff) {
+      continue;
+    }
+
+    if (memcmp(ent->gameName, card->diskID->gameName, sizeof(ent->gameName)) != 0 ||
+        memcmp(ent->company, card->diskID->company, sizeof(ent->company)) != 0) {
+      continue;
+    }
+
+    if (__CARDCompareFileName(ent, old)) {
+      oldNo = fileNo;
+    }
+    if (__CARDCompareFileName(ent, new)) {
+      newNo = fileNo;
+    }
+  }
+
+  if (oldNo == -1) {
+    return __CARDPutControlBlock(card, CARD_RESULT_NOFILE);
+  }
+  if (newNo != -1) {
+    return __CARDPutControlBlock(card, CARD_RESULT_EXIST);
+  }
+
+  ent = &dir[oldNo];
+  result = __CARDAccess(card, ent);
+  if (result < 0) {
+    return __CARDPutControlBlock(card, result);
+  }
+
+  strncpy((char*)ent->fileName, new, CARD_FILENAME_MAX);
+
+  ent->time = (u32)OSTicksToSeconds(OSGetTime());
+  result = __CARDUpdateDir(chan, callback);
+  if (result < 0) {
+    __CARDPutControlBlock(card, result);
+  }
+  return result;
+}