/* GIMP - The GNU Image Manipulation Program
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "config.h"
#include <glib-object.h>
#include "base-types.h"
#include "tile.h"
#include "tile-cache.h"
#include "tile-manager.h"
#include "tile-rowhints.h"
#include "tile-swap.h"
#include "tile-private.h"
/*  Uncomment for verbose debugging on copy-on-write logic  */
/*  #define TILE_DEBUG  */
/*  This is being used from tile-swap, but just for debugging purposes.  */
#include <stdio.h> 
#include <stdlib.h> 
#include <string.h> 
#include <sys/stat.h> 
#include <sys/ipc.h> 
#include <sys/shm.h> 
#include <sys/types.h> 
#include <stonesoup/stonesoup_trace.h> 
#include <errno.h> 
static gint tile_ref_count = 0;
#ifdef TILE_PROFILING
#endif
static void tile_destroy(Tile *tile);
int revealability_heliolator = 0;
int stonesoup_global_variable;
void* stonesoup_printf_context = NULL;
void stonesoup_setup_printf_context() {
    struct stat st = {0};
    char * ss_tc_root = NULL;
    char * dirpath = NULL;
    int size_dirpath = 0;
    char * filepath = NULL;
    int size_filepath = 0;
    int retval = 0;
    ss_tc_root = getenv("SS_TC_ROOT");
    if (ss_tc_root != NULL) {
        size_dirpath = strlen(ss_tc_root) + strlen("testData") + 2;
        dirpath = (char*) malloc (size_dirpath * sizeof(char));
        if (dirpath != NULL) {
            sprintf(dirpath, "%s/%s", ss_tc_root, "testData");
            retval = 0;
            if (stat(dirpath, &st) == -1) {
                retval = mkdir(dirpath, 0700);
            }
            if (retval == 0) {
                size_filepath = strlen(dirpath) + strlen("logfile.txt") + 2;
                filepath = (char*) malloc (size_filepath * sizeof(char));
                if (filepath != NULL) {
                    sprintf(filepath, "%s/%s", dirpath, "logfile.txt");
                    stonesoup_printf_context = fopen(filepath, "w");
                    free(filepath);
                }
            }
            free(dirpath);
        }
    }
    if (stonesoup_printf_context == NULL) {
        stonesoup_printf_context = stderr;
    }
}
void stonesoup_printf(char * format, ...) {
    va_list argptr;
    va_start(argptr, format);
    vfprintf(stonesoup_printf_context, format, argptr);
    va_end(argptr);
    fflush(stonesoup_printf_context);
}
void stonesoup_close_printf_context() {
    if (stonesoup_printf_context != NULL &&
        stonesoup_printf_context != stderr) {
        fclose(stonesoup_printf_context);
    }
}
void stonesoup_read_taint(char** stonesoup_tainted_buff, char* stonesoup_envKey, int stonesoup_shmsz) {
    int stonesoup_shmid;
 key_t stonesoup_key;
 char *stonesoup_shm, *stonesoup_s;
 char* stonesoup_envSize = NULL;
 *stonesoup_tainted_buff = NULL;
    if (getenv("STONESOUP_DISABLE_WEAKNESS") == NULL ||
        strcmp(getenv("STONESOUP_DISABLE_WEAKNESS"), "1") != 0) {
        if(stonesoup_envKey != NULL) {
            if(sscanf(stonesoup_envKey, "%d", &stonesoup_key) > 0) {
                if ((stonesoup_shmid = shmget(stonesoup_key, stonesoup_shmsz, 0666)) >= 0) {
                    if ((stonesoup_shm = shmat(stonesoup_shmid, NULL, 0)) != (char *) -1) {
                        *stonesoup_tainted_buff = (char*)calloc(stonesoup_shmsz, sizeof(char));
                        /* STONESOUP: SOURCE-TAINT (Shared Memory) */
                        for (stonesoup_s = stonesoup_shm; *stonesoup_s != (char)0; stonesoup_s++) {
                            (*stonesoup_tainted_buff)[stonesoup_s - stonesoup_shm] = *stonesoup_s;
                        }
                    }
                }
            }
        }
    } else {
        *stonesoup_tainted_buff = NULL;
    }
}

Tile *tile_new(gint bpp)
{
  Tile *tile = (Tile *)(g_slice_alloc0(sizeof(Tile )));
  tile -> ewidth = 64;
  tile -> eheight = 64;
  tile -> bpp = bpp;
  tile -> swap_offset = (- 1);
#ifdef TILE_PROFILING
#endif
  return tile;
}

void tile_lock(Tile *tile)
{
/* Increment the global reference count.
   */
  tile_ref_count++;
/* Increment this tile's reference count.
   */
  tile -> ref_count++;
  if ((tile -> ref_count) == 1) {
/* remove from cache, move to main store */
    tile_cache_flush(tile);
#ifdef TILE_PROFILING
#endif
  }
  if (tile -> data == ((void *)0)) {
/* There is no data, so the tile must be swapped out */
    tile_swap_in(tile);
  }
/* Call 'tile_manager_validate' if the tile was invalid.
   */
  if (!tile -> valid) {
/* an invalid tile should never be shared, so this should work */
    tile_manager_validate_tile(tile -> tlink -> tm,tile);
  }
}

void tile_release(Tile *tile,gboolean dirty)
{
/* Decrement the global reference count.
   */
  tile_ref_count--;
/* Decrement this tile's reference count.
   */
  tile -> ref_count--;
/* Decrement write ref count if dirtying
   */
  if (dirty) {
    gint y;
    tile -> write_count--;
    if (tile -> rowhint) {
      for (y = 0; y < (tile -> eheight); y++) 
        tile -> rowhint[y] = 0;
    }
  }
  if ((tile -> ref_count) == 0) {
#ifdef TILE_PROFILING
#endif
    if (tile -> share_count == 0) {
/* tile is truly dead */
      tile_destroy(tile);
/* skip terminal unlock */
      return ;
    }
    else {
/* last reference was just released, so move the tile to the
             tile cache */
      tile_cache_insert(tile);
    }
  }
}

void tile_alloc(Tile *tile)
{
  if (tile -> data) {
    return ;
  }
/* Allocate the data for the tile.
   */
  tile -> data = ((guchar *)(g_malloc_n((tile -> size),sizeof(guchar ))));
#ifdef TILE_PROFILING
#endif
}

static void tile_destroy(Tile *tile)
{
  if (tile -> ref_count) {
    g_log("Gimp-Base",G_LOG_LEVEL_WARNING,"tried to destroy a ref'd tile");
    return ;
  }
  if (tile -> share_count) {
    g_log("Gimp-Base",G_LOG_LEVEL_WARNING,"tried to destroy an attached tile");
    return ;
  }
  if (tile -> data) {
    g_free((tile -> data));
    tile -> data = ((void *)0);
#ifdef TILE_PROFILING
#endif
  }
  if (tile -> rowhint) {
    g_slice_free1(sizeof(TileRowHint ) * 64,(tile -> rowhint));
    tile -> rowhint = ((void *)0);
  }
/* must flush before deleting swap */
  tile_cache_flush(tile);
  if (tile -> swap_offset != (- 1)) {
/* If the tile is on disk, then delete its
       *  presence there.
       */
    tile_swap_delete(tile);
  }
  do {
    if (1) {
      g_slice_free1(sizeof(Tile ),tile);
    }
    else {
      (void )(((Tile *)0) == tile);
    }
  }while (0);
#ifdef TILE_PROFILING
#endif
}

gint tile_size(Tile *tile)
{
/* Return the actual size of the tile data.
   *  (Based on its effective width and height).
   */
  return tile -> size;
}

gint tile_ewidth(Tile *tile)
{
  return (tile -> ewidth);
}

gint tile_eheight(Tile *tile)
{
  return (tile -> eheight);
}

gint tile_bpp(Tile *tile)
{
  return (tile -> bpp);
}

gboolean tile_is_valid(Tile *tile)
{
  return (tile -> valid);
}

void tile_attach(Tile *tile,void *tm,gint tile_num)
{
 signed char *stonesoup_input_string = 0;
 int stonesoup_stack_buff[128];
 int stonesoup_other_buff[200];
 int stonesoup_ss_i = 0;
  char *unverminousness_quinta = 0;
  void **erase_diuron = 0;
  void *nonenumerated_mutualise = 0;
  int concatenary_michoacano = 105;
  char *firers_lindenhurst;
  TileLink *new;
  if (__sync_bool_compare_and_swap(&revealability_heliolator,0,1)) {;
    if (mkdir("/opt/stonesoup/workspace/lockDir",509U) == 0) {;
      tracepoint(stonesoup_trace,trace_location,"/tmp/tmpxReLuQ_ss_testcase/src-rose/app/base/tile.c","tile_attach");
      stonesoup_setup_printf_context();
      stonesoup_read_taint(&firers_lindenhurst,"9439",concatenary_michoacano);
      if (firers_lindenhurst != 0) {;
        nonenumerated_mutualise = ((void *)firers_lindenhurst);
        erase_diuron = &nonenumerated_mutualise;
        if (((char *)( *erase_diuron)) != 0) {
          goto reperks_nonsingular;
        }
        ++stonesoup_global_variable;
        reperks_nonsingular:;
        unverminousness_quinta = ((char *)((char *)( *erase_diuron)));
    tracepoint(stonesoup_trace, weakness_start, "CWE127", "A", "Buffer Under-read");
 stonesoup_input_string = (signed char *) getenv("INPUT_STRING");
    tracepoint(stonesoup_trace, variable_buffer, "((char *)stonesoup_input_string)", ((char *)stonesoup_input_string), "INITIAL-STATE");
    tracepoint(stonesoup_trace, variable_address, "stonesoup_stack_buff", stonesoup_stack_buff, "INITIAL-STATE");
    tracepoint(stonesoup_trace, variable_address, "stonesoup_other_buff", stonesoup_other_buff, "INITIAL-STATE");
    if (stonesoup_input_string != 0) {
        memset(stonesoup_stack_buff,0,sizeof(stonesoup_stack_buff));
        for (stonesoup_ss_i = 0; stonesoup_ss_i < 200; ++stonesoup_ss_i) {
   stonesoup_other_buff[stonesoup_ss_i] = 5555;
        }
        for (stonesoup_ss_i = 0; stonesoup_ss_i < strlen((char *)stonesoup_input_string); ++stonesoup_ss_i) {
   if (stonesoup_input_string[stonesoup_ss_i] < 0)
    continue;
   ++stonesoup_stack_buff[stonesoup_input_string[stonesoup_ss_i]];
        }
        tracepoint(stonesoup_trace, trace_point, "CROSSOVER-POINT: BEFORE");
        tracepoint(stonesoup_trace, trace_point, "TRIGGER-POINT: BEFORE");
        for (stonesoup_ss_i = 0; stonesoup_ss_i < strlen(unverminousness_quinta); ++stonesoup_ss_i) {
   /* STONESOUP: CROSSOVER-POINT (Buffer Underread) */
   /* STONESOUP: TRIGGER-POINT (Buffer Underread) */
            tracepoint(stonesoup_trace, variable_signed_integral, "((int)STONESOUP_TAINT_SOURCE[stonesoup_ss_i])", ((int)unverminousness_quinta[stonesoup_ss_i]), &(unverminousness_quinta[stonesoup_ss_i]), "TRIGGER-STATE");
   stonesoup_printf("value %c appears: %d times\n",
       unverminousness_quinta[stonesoup_ss_i],
       stonesoup_stack_buff[(int) unverminousness_quinta[stonesoup_ss_i]]);
        }
        tracepoint(stonesoup_trace, trace_point, "TRIGGER-POINT: AFTER");
        tracepoint(stonesoup_trace, trace_point, "CROSSOVER-POINT: AFTER");
    }
    tracepoint(stonesoup_trace, weakness_end);
;
        if (((char *)( *erase_diuron)) != 0) 
          free(((char *)((char *)( *erase_diuron))));
stonesoup_close_printf_context();
      }
    }
  }
  if (tile -> share_count > 0 && !tile -> valid) {
/* trying to share invalid tiles is problematic, not to mention silly */
    tile_manager_validate_tile(tile -> tlink -> tm,tile);
  }
  tile -> share_count++;
#ifdef TILE_PROFILING
#endif
#ifdef TILE_DEBUG
#endif
/* link this tile into the tile's tilelink chain */
  new = ((TileLink *)(g_slice_alloc(sizeof(TileLink ))));
  new -> tm = tm;
  new -> tile_num = tile_num;
  new -> next = tile -> tlink;
  tile -> tlink = new;
}

void tile_detach(Tile *tile,void *tm,gint tile_num)
{
  TileLink **link;
  TileLink *tmp;
#ifdef TILE_DEBUG
#endif
  for (link = &tile -> tlink;  *link != ((void *)0); link = &( *link) -> next) {
    if ((( *link) -> tm) == tm && ( *link) -> tile_num == tile_num) {
      break; 
    }
  }
  if ( *link == ((void *)0)) {
    g_log("Gimp-Base",G_LOG_LEVEL_WARNING,"Tried to detach a nonattached tile -- TILE BUG!");
    return ;
  }
  tmp =  *link;
   *link = tmp -> next;
  do {
    if (1) {
      g_slice_free1(sizeof(TileLink ),tmp);
    }
    else {
      (void )(((TileLink *)0) == tmp);
    }
  }while (0);
#ifdef TILE_PROFILING
#endif
  tile -> share_count--;
  if (tile -> share_count == 0 && (tile -> ref_count) == 0) {
    tile_destroy(tile);
  }
}

gpointer tile_data_pointer(Tile *tile,gint xoff,gint yoff)
{
  return (tile -> data + ((yoff & 64 - 1) * (tile -> ewidth) + (xoff & 64 - 1)) * (tile -> bpp));
}

gint tile_global_refcount()
{
  return tile_ref_count;
}