From c0daede46df4f546639bd2d3e11dcf064d554966 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji3.141@gmail.com>
Date: Sat, 16 May 2020 09:53:58 -0400
Subject: starting over

---
 src/kernel/files.c | 115 -----------------------------------------------------
 1 file changed, 115 deletions(-)
 delete mode 100644 src/kernel/files.c

(limited to 'src/kernel/files.c')

diff --git a/src/kernel/files.c b/src/kernel/files.c
deleted file mode 100644
index 9747688..0000000
--- a/src/kernel/files.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
-Copyright 2019 Benji Dial
-
-Permission to use, copy, modify, and/or distribute this
-software for any purpose with or without fee is hereby
-granted, provided that the above copyright notice and this
-permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS
-ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
-EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
-INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
-RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
-OF THIS SOFTWARE.
-*/
-
-#include "files.h"
-#include "diskio.h"
-#include "iso9660.h"
-#include "mem.h"
-
-bool (*const parse_pts[N_PT_FORMATS])(uint8_t dn, uint8_t *buffer) = {
-  //&gpt_parse_pt,
-  //&mbr_parse_pt
-};
-
-bool (*const parse_phs[N_FS_FORMATS])(uint8_t dn, uint8_t pn, uint32_t sector, uint8_t *buffer) = {
-  &iso_9660_parse_ph
-};
-
-uint8_t working_drive;
-uint8_t working_part;
-uint8_t buffer[2048];
-
-void set_working_drive(uint8_t name, uint8_t part) {
-  if ((name >= (uint8_t)'a') && (name <= (uint8_t)'z') &&
-    (drives[name - (uint8_t)'a'].flags & PRESENT))
-    working_drive = name - (uint8_t)'a';
-  if (part_info[working_drive].format & ~DIRECT)
-    working_part =
-      (part >= (uint8_t)'0') && (name <= (uint8_t)'9') &&
-      (part_info[working_drive].n_partitions > part) ?
-      (part & 0x0f) : 0;
-}
-
-uint16_t open_file(uint8_t *name) {
-  return 0;//TODO
-}
-
-void close_file(uint16_t handle) {
-  file_table[handle].first_sector = 0;
-}
-
-uint32_t read_file(uint16_t handle, uint32_t length, void *buffer) {
-  //TODO
-}
-
-void write_file(uint16_t handle, uint32_t length, void *buffer) {
-  //TODO
-}
-
-void seek_file(uint16_t handle, int32_t by) {
-  //TODO
-}
-
-uint32_t get_size(uint16_t handle) {
-  return 0;//TODO
-}
-
-uint32_t read_line_file(uint16_t handle, uint32_t max, void *buffer) {
-  uint8_t *i = (uint8_t *)buffer;
-  while (i < (uint8_t *)buffer + max) {
-    if (!read_file(handle, 1, i) || (*i == (uint8_t)'\n')) {
-      *i = 0;
-      return i - (uint8_t *)buffer;
-    }
-    ++i;
-  }
-}
-
-void detect_disk_parts(uint8_t drive) {
-  if ((drive >= (uint8_t)'a') && (drive <= (uint8_t)'z')) {
-    uint8_t dn = (drive & 0x1f) - 1;
-    for (uint8_t i = 0; i < part_info[dn].n_partitions; ++i)
-      if (part_info[dn].partition_cache[i])
-        deallocate_block(part_info[dn].partition_cache[i]);
-    update_status(dn);
-    if (drives[dn].flags & (PRESENT | DISK_IN)) {
-      /*ISO 9660 often comes with a dummy MBR*/
-      if (iso_9660_parse_ph(dn, 0, 0, buffer)) {
-        part_info[dn].format = DIRECT;
-        part_info[dn].n_partitions = 1;
-        return;
-      }
-      for (uint8_t ptt = 0; ptt < N_PT_FORMATS; ++ptt)
-        if (parse_pts[ptt](dn, buffer))
-          return;
-      for (uint8_t fst = 0; fst < N_FS_FORMATS; ++fst)
-        if (parse_phs[fst](dn, 0, 0, buffer)) {
-          part_info[dn].format = DIRECT;
-          part_info[dn].n_partitions = 1;
-          return;
-        }
-      part_info[dn].format = UNKNOWN;
-      part_info[dn].n_partitions = 0;
-    }
-    else {
-      part_info[dn].format = NOT_PRESENT;
-      part_info[dn].n_partitions = 0;
-    }
-  }
-}
\ No newline at end of file
-- 
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