#include "src/mapserver.h"

#include "src/mapio.h"

#include "src/mapogcsld.h"

#include <stdlib.h>

#include <string.h>

#define kMaxInputLength 65536

extern int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);

extern int LLVMFuzzerInitialize(int *argc, char ***argv);

int LLVMFuzzerInitialize(int *argc, char ***argv) {

  (void)argc;

  (void)argv;

  msIO_setHeaderEnabled(MS_FALSE);

  return 0;

}

static mapObj *buildMap(void) {

  mapObj *map = msNewMapObj();

  if (!map)

    return NULL;

  if (msGrowMapLayers(map) == NULL) {

    msFreeMap(map);

    return NULL;

  }

  if (initLayer(GET_LAYER(map, map->numlayers), map) == -1) {

    msFreeMap(map);

    return NULL;

  }

  GET_LAYER(map, map->numlayers)->index = map->numlayers;

  GET_LAYER(map, map->numlayers)->name = msStrdup("fuzz");

  GET_LAYER(map, map->numlayers)->type = MS_LAYER_POLYGON;

  map->layerorder[map->numlayers] = map->numlayers;

  map->numlayers++;

  return map;

}

int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {

  if (Size == 0 || Size > kMaxInputLength)

    return 0;

  char *sld = (char *)malloc(Size + 1);

  if (!sld)

    return 0;

  memcpy(sld, Data, Size);

  sld[Size] = '\0';

  mapObj *map = buildMap();

  if (map) {

    (void)msSLDApplySLD(map, sld, 0, NULL, NULL);

    msFreeMap(map);

  }

  free(sld);

  msResetErrorList();

  return 0;

}