all in on uci

the old server.c & log.c is gonna be removed soon
author: Aargh Rai <aargh.rai+git@gmail.com> 2026-07-05 23:55:45 +0530
committer: Aargh Rai <aargh.rai+git@gmail.com> 2026-07-05 23:55:45 +0530
commit: 1876294f217d7faa2a07dbaaaab82d142ce42803 (patch)
tree: d67ba4b240f25042063c06ce99370e3be34457ff
parent: f17df9538b1c3f58f12b738083b747ac332b8d71 (diff)
10 files changed, 194 insertions, 315 deletions
diff --git a/.clangd b/.clangd
deleted file mode 100644
index a5e5c6b..0000000
--- a/.clangd
+++ /dev/null
@@ -1,4 +0,0 @@
-CompileFlags:
-  Add: [-Wno-override-init]
-  Compiler: arm-none-eabi-gcc
-
diff --git a/bitboards.html b/bitboards.html
deleted file mode 100644
index 8323dfe..0000000
--- a/bitboards.html
+++ /dev/null
@@ -1,111 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>Bitboard editor</title>
-  <style>
-    :root {
-      --square-side-length: 6rem;
-      --dark-color: #779556;
-      --light-color: #ebecd0;
-      --selected-color: #f37f6b;
-      --background-color: #0f0f0f;
-      --text-color: #fefefe;
-    }
-    body {
-      display: flex;
-      flex-direction: column;
-      align-items: center;
-      background-color: var(--background-color);
-      color: var(--text-color);
-    }
-    #board {
-      display: grid;
-      grid-template-columns: repeat(9, 1fr);
-      grid-template-rows: repeat(9, 1fr);
-    }
-    .dark {
-      background-color: var(--dark-color);
-    }
-    .light {
-      background-color: var(--light-color);
-    }
-    .selected {
-      background-color: var(--selected-color);
-    }
-    .square {
-      width: var(--square-side-length);
-      height: var(--square-side-length);
-    }
-    .label {
-      width: var(--square-side-length);
-      height: var(--square-side-length);
-      display: flex;
-      align-items: center;
-      justify-content: flex-end;
-    }
-    .horizontal_label {
-      width: var(--square-side-length);
-      height: var(--square-side-length);
-      display: flex;
-      justify-content: center;
-    }
-  </style>
-</head>
-<body>
-  <div id="board">
-  </div>
-  <div id="output">
-  </div>
-  <script>
-    const output = document.getElementById("output");
-
-    let bitboard = 0n;
-    function trackBitboard(i, selected) {
-      const mask = 1n << BigInt(i);
-      if (selected) {
-        bitboard |= mask;
-      } else {
-        bitboard &= ~mask;
-      }
-      output.textContent = bitboard.toString();
-    }
-
-    const selectedAction = trackBitboard;
-
-    const board = document.getElementById("board");
-    for (let i = 0; i < 64; i++) {
-      if (i % 8 == 0) {
-        const label = document.createElement("div");
-        label.classList.add("label");
-        label.textContent = 8 - Math.round(i / 8);
-        board.appendChild(label);
-      }
-      const square = document.createElement("div");
-      square.classList.add("square");
-      const shift = Math.floor(i / 8);
-      square.classList.add((i + shift) % 2 ? "dark" : "light");
-      square.onclick = () => {
-        const selected = square.classList.contains("selected");
-        selectedAction((i % 8) - 8 * Math.floor(i / 8) + 56, !selected);
-        if (selected) {
-          square.classList.remove("selected");
-        } else {
-          square.classList.add("selected");
-        }
-      };
-      board.appendChild(square);
-    }
-    const label = document.createElement("div");
-    label.classList.add("horizontal_label");
-    board.appendChild(label);
-    for (let i = 0; i < 8; i++)  {
-      const label = document.createElement("div");
-      label.classList.add("horizontal_label");
-      label.textContent = ["a", "b", "c", "d", "e", "f", "g", "h"][i];
-      board.appendChild(label);
-    }
-  </script>
-</body>
-</html>
diff --git a/board.html b/board.html
deleted file mode 100644
index d7ae9da..0000000
--- a/board.html
+++ /dev/null
@@ -1,99 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>Board</title>
-  <style>
-    :root {
-      --square-side-length: 6rem;
-      --dark-color: #779556;
-      --light-color: #ebecd0;
-      --selected-color: #f37f6b;
-      --background-color: #0f0f0f;
-      --text-color: #fefefe;
-    }
-    body {
-      display: flex;
-      flex-direction: column;
-      align-items: center;
-      background-color: var(--background-color);
-      color: var(--text-color);
-    }
-    #board {
-      display: grid;
-      grid-template-columns: repeat(9, 1fr);
-      grid-template-rows: repeat(9, 1fr);
-    }
-    .dark {
-      background-color: var(--dark-color);
-    }
-    .light {
-      background-color: var(--light-color);
-    }
-    .selected {
-      background-color: var(--selected-color);
-    }
-    .rendering_marker {
-      width: 2rem;
-      height: 2rem;
-      border-radius: 50%;
-    }
-    .possible_move {
-      background-color: #0f0f0f55;
-    }
-    .square {
-      width: var(--square-side-length);
-      height: var(--square-side-length);
-      background-size: cover;
-      display: flex;
-      justify-content: center;
-      align-items: center;
-    }
-    .label {
-      width: var(--square-side-length);
-      height: var(--square-side-length);
-      display: flex;
-      align-items: center;
-      justify-content: flex-end;
-    }
-    .horizontal_label {
-      width: var(--square-side-length);
-      height: var(--square-side-length);
-      display: flex;
-      justify-content: center;
-    }
-    #mouse {
-      position: absolute;
-      width: var(--square-side-length);
-      height: var(--square-side-length);
-      transform: translate(-50%, -50%);
-      transition: 0.1s ease out;
-      pointer-events: none;
-      background-size: cover;
-    }
-    button {
-      border: none;
-      padding-left: 1rem;
-      padding-right: 1rem;
-      padding-top: 0.5rem;
-      padding-bottom: 0.5rem;
-      margin-bottom: 2rem;
-      cursor: pointer;
-    }
-    button:hover {
-      opacity: 0.9;
-    }
-  </style>
-  <script src="./assets/board.js"></script>
-</head>
-<body>
-  <button onclick="connectSocket()">Reconnect</button>
-  <div id="board">
-  </div>
-  <div id="output">
-  </div>
-  <div id="mouse">
-  </div>
-</body>
-</html>
diff --git a/build.c b/build.c
index 8af54da..663d47c 100644
--- a/build.c
+++ b/build.c
@@ -31,8 +31,6 @@ void print_cmd(char** args) {
 
 int clean_mode(int run_mode);
 int test_mode(int run_mode);
-int server_mode(int run_mode);
-int engine_mode(int run_mode);
 int uci_mode(int run_mode);
 
 // https://github.com/tsoding/nob.h/blob/0a08926d8094fc4ae678155c5d73ae21d1f96f3f/nob.h#L2413
@@ -54,11 +52,7 @@ int needs_rebuild(char* bin_file, char* source_file) {
 }
 
 #define ENGINE_O "output/engine.o"
-#define SERVER_O "output/server.o"
 #define UCI_O "output/uci.o"
-#define LOG_O "output/log.o"
-
-#define LOGGER_C "src/logger/logger.c"
 
 int main(int argc, char** argv) {
   if (needs_rebuild(argv[0], __FILE__)) {
@@ -82,16 +76,7 @@ int main(int argc, char** argv) {
   if (strcmp(argv[1], "clean") == 0) {
     return clean_mode(run_mode);
   }
-  if (strcmp(argv[1], "uci") == 0) {
-    return uci_mode(run_mode);
-  }
-  RUN_CMD({CC, "src/log.c", "-o", LOG_O, NULL});
-  if (strcmp(argv[1], "engine") == 0) {
-    return engine_mode(run_mode);
-  }
-  if (strcmp(argv[1], "server") == 0) {
-    return server_mode(run_mode);
-  }
+  return uci_mode(run_mode);
 }
 
 int clean_mode(int _) {
@@ -108,36 +93,10 @@ int test_mode(int run_mode) {
     execvp(args[0], args);
   }
 
-  RUN_CMD({CC, "generate/find_tests.c", LOGGER_C, "-o", "output/find_tests.o", NULL});
+  RUN_CMD({CC, "generate/find_tests.c", "-o", "output/find_tests.o", NULL});
   RUN_CMD({"./output/find_tests.o", NULL});
   printf("\n");
-  RUN_CMD({CC, "tests/main.c", LOGGER_C, "-o", "output/test.o", NULL});
-  return status != 0;
-}
-
-int server_mode(int run_mode) {
-  if (run_mode) {
-    RUN_CMD({"rm", "/dev/mqueue/logs", NULL});
-    RUN_CMD({"rm", "/dev/mqueue/server_to_engine", "/dev/mqueue/engine_to_server", NULL});
-    char* args[] = {LOG_O, SERVER_O, ENGINE_O, NULL};
-    print_cmd(args);
-    execvp(args[0], args);
-  }
-
-  RUN_CMD({CC, "src/server.c", LOGGER_C, "-lcrypto", "-o", SERVER_O, NULL});
-  RUN_CMD({CC, "src/engine.c", LOGGER_C, "-o", ENGINE_O, NULL});
-  return status != 0;
-}
-
-int engine_mode(int run_mode) {
-  if (run_mode) {
-    RUN_CMD({"rm", "/dev/mqueue/logs", NULL});
-    char* args[] = {LOG_O, ENGINE_O, NULL};
-    print_cmd(args);
-    execvp(args[0], args);
-  }
-
-  RUN_CMD({CC, "src/engine.c", LOGGER_C, "-o", ENGINE_O, NULL});
+  RUN_CMD({CC, "tests/main.c", "-o", "output/test.o", NULL});
   return status != 0;
 }
 
@@ -148,6 +107,7 @@ int uci_mode(int run_mode) {
     execvp(args[0], args);
   }
 
-  RUN_CMD({CC, "src/uci.c", "-o", UCI_O, NULL});
+  RUN_CMD({CC, "src/engine.c", "-o", ENGINE_O, NULL});
+  RUN_CMD({CC, "src/uci.c", "-o", UCI_O, ENGINE_O, NULL});
   return status != 0;
 }
diff --git a/shell.nix b/shell.nix
index 7e1ba4c..d6e70f7 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,6 +1,6 @@
 { pkgs ? import <nixpkgs> {} }:
 let
-  install_opt_deps = false;
+  install_opt_deps = true;
   libraries = with pkgs; [
     webkitgtk_4_1
     gtk3
diff --git a/src/engine.c b/src/engine.c
index 1ff4fef..3c64cce 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -6,9 +6,6 @@
 #include "fcntl.h"
 #include "ipc.c"
 
-#define LOG_MODULE "engine"
-#include "logger/logger.h"
-
 struct sqrstr {
   char data[2];
 };
@@ -18,10 +15,6 @@ struct sqrstr sqr_to_str(int i) {
 }
 
 int main(void) {
-  mqd_t logging = mq_open("/logs", O_WRONLY);
-  mqd_t tx = mq_open("/engine_to_server", O_WRONLY);
-  mqd_t rx = mq_open("/server_to_engine", O_RDONLY);
-
   while (1) {
     char* x = read_queue(rx);
     log_infof("Received: %s", x);
diff --git a/src/ipc.c b/src/ipc.c
index 9c12ed4..d7ef968 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -1,41 +1,133 @@
 #ifndef IPC_C
 #define IPC_C
 
-#include <mqueue.h>
-#include <stdio.h>
 #include <stdlib.h>
+#include <sys/mman.h>
 
-struct mq_attr attr = {
-    .mq_flags = 0,
-    .mq_maxmsg = 10,
-    .mq_msgsize = 1024,
-    .mq_curmsgs = 0,
-};
-
-char* read_queue(mqd_t target) {
-  char* buf = malloc(attr.mq_msgsize);
-  int n = mq_receive(target, buf, attr.mq_msgsize, NULL);
-  if (n == -1) {
-    perror("mq_receive");
-    free(buf);
-    return NULL;
+#include "engine/fen.h"
+
+typedef struct {
+  struct uci_move *moves;
+  int count;
+  int capacity;
+} comm_moves;
+
+void add_comm_move(comm_moves *moves, struct uci_move move) {
+  if (moves->count + 1 > moves->capacity) {
+    moves->capacity += 50;
+    moves->moves = realloc(moves->moves, moves->capacity * sizeof(struct uci_move));
   }
-  return buf;
+  moves->moves[moves->count++] = move;
 }
 
-void send_queue(mqd_t target, const char* msg, int n) {
-  mq_send(target, msg, n, 0);
+typedef struct {
+  bool engine_message_ready;
+  int depth;
+  int seldepth;
+  int multipv;
+  int score_cp;
+  int nodes;
+  int nps;
+  int hashfull;
+  int tbhits;
+  int time;
+  comm_moves pv;
+
+  bool uci_message_ready;
+  struct fen_load from_position;
+  comm_moves moves;
+} comms;
+
+// https://stackoverflow.com/a/5656561
+comms* create_shared_memory() {
+  int protection = PROT_READ | PROT_WRITE;
+  int visibility = MAP_SHARED | MAP_ANONYMOUS;
+  comms* state = (comms*)mmap(
+    NULL,
+    sizeof(comms),
+    protection, visibility,
+    -1, 0
+  );
+  state->engine_message_ready = false;
+  state->depth = 0;
+  state->seldepth = 0;
+  state->multipv = 0;
+  state->score_cp = 0;
+  state->nodes = 0;
+  state->nps = 0;
+  state->hashfull = 0;
+  state->tbhits = 0;
+  state->time = 0;
+  state->pv = (comm_moves) {
+    (comms*)mmap(
+      NULL,
+      sizeof(struct uci_move) * 50,
+      protection, visibility,
+      -1, 0
+    ), 0, 50
+  };
+  state->uci_message_ready = false;
+  state->from_position = {0};
+  state->moves = (comm_moves) {
+    (comms*)mmap(
+      NULL,
+      sizeof(struct uci_move) * 50,
+      protection, visibility,
+      -1, 0
+    ), 0, 50
+  };
+
+  return state;
 }
 
-int get_num_messages(mqd_t target) {
-  struct mq_attr target_attr;
+void send_uci_message(
+  comms *comms,
+  struct fen_load from_position
+) {
+  comms->from_position = from_position;
+  comms->uci_message_ready = true;
+}
 
-  if (mq_getattr(target, &target_attr) == -1) {
-      perror("mq_getattr");
-      exit(1);
+void send_engine_message(
+  comms *comms,
+  int depth,
+  int seldepth,
+  int multipv,
+  int score_cp,
+  int nodes,
+  int nps,
+  int hashfull,
+  int tbhits,
+  int time
+) {
+  comms->depth = depth;
+  comms->seldepth = seldepth;
+  comms->multipv = multipv;
+  comms->score_cp = score_cp;
+  comms->nodes = nodes;
+  comms->nps = nps;
+  comms->hashfull = hashfull;
+  comms->tbhits = tbhits;
+  comms->time = time;
+  comms->engine_message_ready = true;
+}
+
+bool receive_uci_message(comms *comms) {
+  if (comms->uci_message_ready) {
+    comms->uci_message_ready = false;
+    return true;
   }
+  return false;
+}
 
-  return target_attr.mq_curmsgs;
+// TODO: think about dealing with multiple engine messages
+bool receive_engine_message(comms *comms) {
+  if (comms->engine_message_ready) {
+    comms->engine_message_ready = false;
+    return true;
+  }
+  return false;
 }
 
+
 #endif // IPC_C
diff --git a/src/uci.c b/src/uci.c
index 1819291..a31411f 100644
--- a/src/uci.c
+++ b/src/uci.c
@@ -32,7 +32,7 @@ void load_from_message(ucicmd* cmd, const char* message) {
   ucicmd_add(cmd, token);
 }
 
-int main() {
+int main(int argc, char** argv) {
   // https://stackoverflow.com/a/41559081
   fcntl(STDIN_FILENO, F_SETFL, O_NONBLOCK);
 
@@ -54,42 +54,42 @@ int main() {
     "Clear Hash",
     &state.clear_hash
   );
-	state.option_settings[k++] = option_setting_check(
+  state.option_settings[k++] = option_setting_check(
     "UCI_ShowCurrLine",
     false,
     &state.uci_showcurrline
   );
-	state.option_settings[k++] = option_setting_check(
+  state.option_settings[k++] = option_setting_check(
     "UCI_ShowRefutations",
     false,
     &state.uci_showrefutations
   );
-	state.option_settings[k++] = option_setting_check(
+  state.option_settings[k++] = option_setting_check(
     "UCI_LimitStrength",
     false,
     &state.uci_limitstrength
   );
-	state.option_settings[k++] = option_setting_spin(
+  state.option_settings[k++] = option_setting_spin(
     "UCI_Elo",
     100, 3500, 800,
     &state.uci_elo
   );
-	state.option_settings[k++] = option_setting_check(
+  state.option_settings[k++] = option_setting_check(
     "UCI_AnalyseMode",
     false,
     &state.uci_analysemode
   );
-	state.option_settings[k++] = option_setting_string(
+  state.option_settings[k++] = option_setting_string(
     "UCI_Opponent",
     "<empty>",
     &state.uci_opponent
   );
-	state.option_settings[k++] = option_setting_string(
+  state.option_settings[k++] = option_setting_string(
     "UCI_EngineAbout",
     "Gacrux by Aargh Rai, Checkout https://git.aarghrai.com/gacrux",
     &state.uci_engineabout
   );
-	state.option_settings[k++] = option_setting_string(
+  state.option_settings[k++] = option_setting_string(
     "UCI_SetPositionValue",
     "<empty>",
     &state.uci_setpositionvalue
diff --git a/src/uci/response.c b/src/uci/response.c
index 9b3118b..a7e53fd 100644
--- a/src/uci/response.c
+++ b/src/uci/response.c
@@ -1,7 +1,10 @@
 #include <string.h>
 #include <assert.h>
 #include <stdlib.h>
+
 #include "response.h"
+#include "fen.h"
+#include "bitboard.h"
 
 void apply_option(uci_state *state, char *name, char *buffer) {
   int settings_count = sizeof(state->option_settings)/sizeof(option_setting_t);
@@ -33,7 +36,9 @@ void apply_option(uci_state *state, char *name, char *buffer) {
     } else { assert(0); }
     return;
   }
-  printf("invalid option\n");
+  if (state->debug) {
+    printf("debug: invalid option\n");
+  }
 }
 
 // examples from uci_min.txt
@@ -79,10 +84,6 @@ enum {
 };
 int current_state = STATE_INITIAL;
 
-void todo() {
-  assert(0);
-}
-
 void handle_uci(uci_state *state, ucicmd cmd) {
   if (current_state == STATE_INITIAL) {
     return handle_initial(state, cmd);
@@ -104,12 +105,14 @@ void handle_uci(uci_state *state, ucicmd cmd) {
 
 void handle_initial(uci_state *state, ucicmd cmd) {
   if (cmd.empty || strcmp(cmd.root, "uci") != 0) return;
+  // TIMEOUT NOTICE: THE FOLLOWING BLOCK SHOULDN'T TAKE MORE THAN 5 SECONDS
   printf("id name %s\n", state->name);
   printf("id author %s\n", state->author);
   int settings_count = sizeof(state->option_settings)/sizeof(option_setting_t);
   for (int i = 0; i < settings_count; i++) {
     print_setting(state->option_settings[i]);
   }
+  // ---
   printf("uciok\n");
   current_state = STATE_IDLE;
 }
@@ -136,35 +139,69 @@ void handle_idle(uci_state *state, ucicmd cmd) {
     *(--cursor) = 0;
     apply_option(state, name, buffer);
   } else if (strcmp(cmd.root, "ucinewgame") == 0) {
+    // clear game state here
   } else if (strcmp(cmd.root, "position") == 0) {
+    int k = 0;
+    char* mode = ucicmd_get_arg(cmd, 0);
+    if (strcmp(mode, "startpos") == 0) {
+      state->position = load_fen("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1");
+    }
+    else if (strcmp(mode, "fen") == 0) {
+      state->position = load_fen(ucicmd_get_arg(cmd, k++));
+    } else { assert(0); }
+
+    if (cmd.args_count >= k) return;
+    assert(ucicmd_get_arg(cmd, k++), "moves") == 0);
+    struct uci_move *moves = malloc((cmd.args_count - k) * sizeof(struct uci_move));
+    int l = 0;
+    for (; k < cmd.args_count; k++) {
+      char* move = ucicmd_get_arg(cmd, k);
+      moves[l++] = (struct uci_move) {
+        (move[0] - 'a') * 8 + (move[1] - '1'),
+        (move[2] - 'a') * 8 + (move[3] - '1')
+      };
+    }
+    // SENT state->position & struct uci_move to ENGINE
   } else if (strcmp(cmd.root, "stop") == 0) {
   } else if (strcmp(cmd.root, "quit") == 0) {
     free(cmd.args);
+
+    int settings_count = sizeof(state->option_settings)/sizeof(option_setting_t);
+    for (int i = 0; i < settings_count; i++) {
+      option_setting_t setting = state->option_settings[i];
+      if (OPTION_STRING != setting.type) continue;
+      free(setting.value.string->data);
+    }
+
     exit(0);
   } else if (strcmp(cmd.root, "isready") == 0) {
     current_state = STATE_SYNC;
   } else if (strcmp(cmd.root, "go") == 0) {
     current_state = STATE_ACTIVE;
   } else {
-    printf("Invalid command: %s\n", cmd.root);
+    printf("info violation\n");
   }
 }
 
 void handle_sync(uci_state *state, ucicmd cmd) {
-  // when i come up with some info to give: 
-  // printf("info\n");
+  // TIMEOUT NOTICE: THE FOLLOWING BLOCK SHOULDN'T TAKE MORE THAN 5 SECONDS
+ 
+
+
+  // ---
   printf("readyok\n");
   current_state = STATE_IDLE;
 }
 
 void handle_ping(uci_state *state, ucicmd cmd) {
-  // when i come up with some info to give: 
-  // printf("info\n");
-  //
+  // TIMEOUT NOTICE: THE FOLLOWING BLOCK SHOULDN'T TAKE MORE THAN 1 SECONDS
+  
   // if (TODO) {
   //   printf("bestmove\n");
   //   current_state = STATE_IDLE;
   // }
+  
+  // ---
   printf("readyok\n");
   current_state = STATE_ACTIVE;
 }
@@ -179,13 +216,15 @@ void handle_active(uci_state *state, ucicmd cmd) {
   } else if (strcmp(cmd.root, "stop") == 0) {
     current_state = STATE_HALT;
   } else {
-    printf("Invalid command: %s\n", cmd.root);
+    printf("info violation\n");
   }
 }
 
 void handle_halt(uci_state *state, ucicmd cmd) {
-  // when i come up with some info to give: 
-  // printf("info\n");
+  // TIMEOUT NOTICE: THE FOLLOWING BLOCK SHOULDN'T TAKE MORE THAN 1 SECONDS
+  
+  
+  // ---
   printf("bestmove 0000\n"); // TODO: idk get it rn
   current_state = STATE_IDLE;
 }
diff --git a/src/uci/state.h b/src/uci/state.h
index fd24b7e..cb0d63f 100644
--- a/src/uci/state.h
+++ b/src/uci/state.h
@@ -1,6 +1,8 @@
 #ifndef UCI_STATE_H
 #define UCI_STATE_H
 
+#include "engine/fen.h"
+
 typedef struct {
   char* data;
   int length;
@@ -78,6 +80,8 @@ typedef struct {
   char author[32];
   bool debug;
 
+  struct fen_load position;
+
   option_setting_t option_settings[11];
 
   // options
@@ -100,4 +104,9 @@ typedef struct {
   str_t uci_setpositionvalue;
 } uci_state;
 
+struct uci_move {
+  int from;
+  int to;
+};
+
 #endif // UCI_STATE_H
author	Aargh Rai <aargh.rai+git@gmail.com>	2026-07-05 23:55:45 +0530
committer	Aargh Rai <aargh.rai+git@gmail.com>	2026-07-05 23:55:45 +0530
commit	1876294f217d7faa2a07dbaaaab82d142ce42803 (patch)
tree	d67ba4b240f25042063c06ce99370e3be34457ff
parent	f17df9538b1c3f58f12b738083b747ac332b8d71 (diff)