1 files changed, 53 insertions, 0 deletions
diff --git a/src/libultra_code_O2/osPfsFindFile.c b/src/libultra_code_O2/osPfsFindFile.c
new file mode 100644
index 000000000..0ee5e538d
--- /dev/null
+++ b/src/libultra_code_O2/osPfsFindFile.c
@@ -0,0 +1,53 @@
+#include "ultra64.h"
+#include "global.h"
+
+s32 osPfsFindFile(OSPfs* pfs, u16 companyCode, u32 gameCode, u8* gameName, u8* extName, s32* fileNo) {
+    s32 j;
+    s32 i;
+    __OSDir dir;
+    s32 ret = 0;
+    s32 err;
+
+    if (!(pfs->status & PFS_INITIALIZED)) {
+        return PFS_ERR_INVALID;
+    }
+
+    if ((ret = __osCheckId(pfs)) != 0) {
+        return ret;
+    }
+
+    for (j = 0; j < pfs->dir_size; j++) {
+        if ((ret = __osContRamRead(pfs->queue, pfs->channel, pfs->dir_table + j, &dir)) != 0) {
+            return ret;
+        }
+        if ((ret = __osPfsGetStatus(pfs->queue, pfs->channel)) != 0) {
+            return ret;
+        }
+
+        if ((dir.company_code == companyCode) && (dir.game_code == gameCode)) {
+            err = 0;
+            if (gameName != 0) {
+                for (i = 0; i < PFS_FILE_NAME_LEN; i++) {
+                    if (dir.game_name[i] != gameName[i]) {
+                        err = 1;
+                        break;
+                    }
+                }
+            }
+            if ((extName != 0) && (err == 0)) {
+                for (i = 0; i < PFS_FILE_EXT_LEN; i++) {
+                    if (dir.ext_name[i] != extName[i]) {
+                        err = 1;
+                        break;
+                    }
+                }
+            }
+            if (err == 0) {
+                *fileNo = j;
+                return ret;
+            }
+        }
+    }
+    *fileNo = -1;
+    return PFS_ERR_INVALID;
+}