Ejemplo n.º 1
0
/**
 * retro_read_file:
 * @path             : path to file.
 * @buf              : buffer to allocate and read the contents of the
 *                     file into. Needs to be freed manually.
 *
 * Read the contents of a file into @buf.
 *
 * Returns: number of items read, -1 on error.
 */
int retro_read_file(const char *path, void **buf, ssize_t *len)
{
   ssize_t ret              = 0;
   ssize_t content_buf_size = 0;
   void *content_buf        = NULL;
   RFILE *file              = retro_fopen(path, RFILE_MODE_READ, -1);

   if (!file)
      goto error;

   if (retro_fseek(file, 0, SEEK_END) != 0)
      goto error;

   content_buf_size = retro_ftell(file);
   if (content_buf_size < 0)
      goto error;

   retro_frewind(file);

   content_buf = malloc(content_buf_size + 1);

   if (!content_buf)
      goto error;

   if ((ret = retro_fread(file, content_buf, content_buf_size)) < content_buf_size)
   {
#ifdef RARCH_INTERNAL
      RARCH_WARN("Didn't read whole file: %s.\n", path);
#else
      printf("Didn't read whole file: %s.\n", path);
#endif
   }

   if (!content_buf)
      goto error;

   *buf    = content_buf;

   /* Allow for easy reading of strings to be safe.
    * Will only work with sane character formatting (Unix). */
   ((char*)content_buf)[content_buf_size] = '\0';

   if (retro_fclose(file) != 0)
      printf("Failed to close file stream.\n");

   if (len)
      *len = ret;

   return 1;

error:
   retro_fclose(file);
   if (content_buf)
      free(content_buf);
   if (len)
      *len = -1;
   *buf = NULL;
   return 0;
}
Ejemplo n.º 2
0
static int create_db(lua_State *L)
{
   int rv;
   RFILE *dst;
   const char *db_file = luaL_checkstring(L, -2);

   if (!lua_isfunction(L, -1))
   {
      lua_pushstring(L, "second argument must be a function");
      lua_error(L);
   }
   lua_setfield(L, LUA_REGISTRYINDEX, "testlib_get_value");

   dst = retro_fopen(db_file, RFILE_MODE_WRITE, -1);
   if (!dst)
   {
      lua_pushstring(L, "Could not open destination file");
      lua_error(L);
   }

   rv = libretrodb_create(dst, &value_provider, L);
   retro_fclose(dst);

   return 0;
}
Ejemplo n.º 3
0
int find_first_data_track(const char *cue_path,
      int32_t *offset, char *track_path, size_t max_len)
{
   int rv, m, s, f;
   char tmp_token[MAX_TOKEN_LEN];
   char cue_dir[PATH_MAX_LENGTH];
   RFILE *fd;

   strlcpy(cue_dir, cue_path, PATH_MAX_LENGTH);
   path_basedir(cue_dir);

   fd = retro_fopen(cue_path, RFILE_MODE_READ, -1);
   if (!fd)
   {
      RARCH_LOG("Could not open CUE file '%s': %s\n", cue_path,
            strerror(errno));
      return -errno;
   }

   RARCH_LOG("Parsing CUE file '%s'...\n", cue_path);

   while (get_token(fd, tmp_token, MAX_TOKEN_LEN) > 0)
   {
      if (strcmp(tmp_token, "FILE") == 0)
      {
         get_token(fd, tmp_token, MAX_TOKEN_LEN);
         fill_pathname_join(track_path, cue_dir, tmp_token, max_len);

      }
      else if (strcasecmp(tmp_token, "TRACK") == 0)
      {
         get_token(fd, tmp_token, MAX_TOKEN_LEN);
         get_token(fd, tmp_token, MAX_TOKEN_LEN);
         if (strcasecmp(tmp_token, "AUDIO") == 0)
            continue;

         find_token(fd, "INDEX");
         get_token(fd, tmp_token, MAX_TOKEN_LEN);
         get_token(fd, tmp_token, MAX_TOKEN_LEN);
         if (sscanf(tmp_token, "%02d:%02d:%02d", &m, &s, &f) < 3)
         {
            RARCH_LOG("Error parsing time stamp '%s'\n", tmp_token);
            return -errno;
         }
         *offset = ((m * 60) * (s * 75) * f) * 25;

         RARCH_LOG("Found 1st data track on file '%s+%d'\n",
               track_path, *offset);

         rv = 0;
         goto clean;
      }
   }

   rv = -EINVAL;

clean:
   retro_fclose(fd);
   return rv;
}
Ejemplo n.º 4
0
static bool gfx_ctx_mali_fbdev_set_video_mode(void *data,
      unsigned width, unsigned height,
      bool fullscreen)
{
   struct fb_var_screeninfo vinfo;
   static const EGLint attribs[] = {
      EGL_CONTEXT_CLIENT_VERSION, 2, /* Use version 2, even for GLES3. */
      EGL_NONE
   };
   mali_ctx_data_t *mali = (mali_ctx_data_t*)data;
   RFILE *fd = retro_fopen("/dev/fb0", RFILE_MODE_READ_WRITE, -1);
   int fb    = retro_get_fd(fd);

   if (ioctl(fb, FBIOGET_VSCREENINFO, &vinfo) < 0)
   {
      RARCH_ERR("Error obtaining framebuffer info.\n");
      goto error;
   }
   retro_fclose(fd);
   
   width                = vinfo.xres;
   height               = vinfo.yres;

   mali->width              = width;
   mali->height             = height;

   mali->native_window.width  = vinfo.xres;
   mali->native_window.height = vinfo.yres;

   if (!egl_create_context(mali, attribs))
   {
      egl_report_error();
      goto error;
   }

   if (!egl_create_surface(mali, &mali->native_window))
      goto error;

   return true;

error:
   if (fd)
      retro_fclose(fd);
   RARCH_ERR("[Mali fbdev]: EGL error: %d.\n", eglGetError());
   gfx_ctx_mali_fbdev_destroy(data);
   return false;
}
Ejemplo n.º 5
0
/**
 * menu_content_playlist_load:
 * @playlist             : Playlist handle.
 * @idx                  : Index in playlist.
 *
 * Initializes core and loads content based on playlist entry.
 **/
void menu_content_playlist_load(void *data, unsigned idx)
{
   const char *core_path        = NULL;
   const char *path             = NULL;
   content_playlist_t *playlist = (content_playlist_t*)data;

   if (!playlist)
      return;

   content_playlist_get_index(playlist,
         idx, &path, NULL, &core_path, NULL, NULL, NULL);

   if (path && !string_is_empty(path))
   {
      unsigned i;
      RFILE *fp           = NULL;
      char *path_check    = NULL;
      char *path_tolower  = strdup(path);

      for (i = 0; i < strlen(path_tolower); ++i)
         path_tolower[i] = tolower(path_tolower[i]);

      if (strstr(path_tolower, ".zip"))
         strstr(path_tolower, ".zip")[4] = '\0';
      else if (strstr(path_tolower, ".7z"))
         strstr(path_tolower, ".7z")[3] = '\0';

      path_check = (char *)calloc(strlen(path_tolower) + 1, sizeof(char));
      strncpy(path_check, path, strlen(path_tolower));

      fp = retro_fopen(path_check, RFILE_MODE_READ, -1);
      if (!fp)
      {
         runloop_msg_queue_push("File could not be loaded.\n", 1, 100, true);
         RARCH_LOG("File at %s failed to load.\n", path_check);
         free(path_tolower);
         free(path_check);
         return;
      }
      retro_fclose(fp);
      free(path_tolower);
      free(path_check);
   }

   runloop_ctl(RUNLOOP_CTL_SET_LIBRETRO_PATH, (void*)core_path);

   if (path)
      menu_driver_ctl(RARCH_MENU_CTL_UNSET_LOAD_NO_CONTENT, NULL);
   else
      menu_driver_ctl(RARCH_MENU_CTL_SET_LOAD_NO_CONTENT, NULL);

   rarch_environment_cb(RETRO_ENVIRONMENT_EXEC, (void*)path);

   event_cmd_ctl(EVENT_CMD_LOAD_CORE, NULL);
}
Ejemplo n.º 6
0
int detect_system(const char *track_path, int32_t offset,
                  const char **system_name)
{
    int rv;
    char magic[MAGIC_LEN];
    int i;
    RFILE *fd = retro_fopen(track_path, RFILE_MODE_READ, -1);

    if (!fd)
    {
        RARCH_LOG("Could not open data track of file '%s': %s\n",
                  track_path, strerror(errno));
        rv = -errno;
        goto clean;
    }

    retro_fseek(fd, offset, SEEK_SET);
    if (retro_fread(fd, magic, MAGIC_LEN) < MAGIC_LEN)
    {
        RARCH_LOG("Could not read data from file '%s' at offset %d: %s\n",
                  track_path, offset, strerror(errno));
        rv = -errno;
        goto clean;
    }

    RARCH_LOG("Comparing with known magic numbers...\n");
    for (i = 0; MAGIC_NUMBERS[i].system_name != NULL; i++)
    {
        if (memcmp(MAGIC_NUMBERS[i].magic, magic, MAGIC_LEN) == 0)
        {
            *system_name = MAGIC_NUMBERS[i].system_name;
            rv = 0;
            goto clean;
        }
    }

    retro_fseek(fd, 0x8008, SEEK_SET);
    if (retro_fread(fd, magic, 8) > 0)
    {
        magic[8] = '\0';
        if (!strcmp(magic, "PSP GAME"))
        {
            *system_name = "psp\0";
            rv = 0;
            goto clean;
        }
    }

    RARCH_LOG("Could not find compatible system\n");
    rv = -EINVAL;
clean:
    retro_fclose(fd);
    return rv;
}
Ejemplo n.º 7
0
/**
 * retro_write_file:
 * @path             : path to file.
 * @data             : contents to write to the file.
 * @size             : size of the contents.
 *
 * Writes data to a file.
 *
 * Returns: true (1) on success, false (0) otherwise.
 */
bool retro_write_file(const char *path, const void *data, ssize_t size)
{
   ssize_t ret   = 0;
   RFILE *file   = retro_fopen(path, RFILE_MODE_WRITE, -1);
   if (!file)
      return false;

   ret = retro_fwrite(file, data, size);
   retro_fclose(file);

   return (ret == size);
}
Ejemplo n.º 8
0
int sha1_calculate(const char *path, char *result)
{
   unsigned char buff[4096] = {0};
   SHA1Context sha;
   int rv = 1;
   RFILE *fd = retro_fopen(path, RFILE_MODE_READ, -1);

   if (!fd)
      goto error;

   SHA1Reset(&sha);

   do
   {
      rv = retro_fread(fd, buff, 4096);
      if (rv < 0)
         goto error;

      SHA1Input(&sha, buff, rv);
   }while(rv);

   if (!SHA1Result(&sha))
      goto error;

   sprintf(result, "%08X%08X%08X%08X%08X",
         sha.Message_Digest[0],
         sha.Message_Digest[1],
         sha.Message_Digest[2],
         sha.Message_Digest[3], sha.Message_Digest[4]);

   retro_fclose(fd);
   return 0;

error:
   if (fd)
      retro_fclose(fd);
   return -1;
}
Ejemplo n.º 9
0
int detect_ps1_game(const char *track_path, char *game_id)
{
   bool rv = false;
   unsigned pos;
   RFILE *fd = retro_fopen(track_path, RFILE_MODE_READ, -1);

   if (!fd)
   {
      RARCH_LOG("Could not open data track: %s\n", strerror(errno));
      return -errno;
   }

   for (pos = 0; pos < 100000; pos++)
   {
      retro_fseek(fd, pos, SEEK_SET);

      if (retro_fread(fd, game_id, 5) > 0)
      {
         game_id[5] = '\0';
         if (!strcmp(game_id, "SLUS_")
          || !strcmp(game_id, "SCUS_")

          || !strcmp(game_id, "SLES_")
          || !strcmp(game_id, "SCES_")
          || !strcmp(game_id, "SCED_")

          || !strcmp(game_id, "SLPS_")
          || !strcmp(game_id, "SCPS_")
          || !strcmp(game_id, "SLPM_")
         )
         {
            retro_fseek(fd, pos, SEEK_SET);
            if (retro_fread(fd, game_id, 11) > 0)
            {
               game_id[4] = '-';
               game_id[8] = game_id[9];
               game_id[9] = game_id[10];
               game_id[10] = '\0';
               rv = true;
            }
            break;
         }
      }
      else
         break;
   }

   retro_fclose(fd);
   return rv;
}
Ejemplo n.º 10
0
int main(void)
{
   struct stub_state state;
   RFILE *fd = retro_fopen("test.msgpack", RFILE_MODE_READ, 0);

   state.i = 0;
   state.stack[0] = 0;

   rmsgpack_read(fd, &stub_callbacks, &state);

   printf("Test succeeded.\n");
   retro_fclose(fd);

   return 0;
}
Ejemplo n.º 11
0
static void free_drm_resources(gfx_ctx_drm_data_t *drm)
{
   if (!drm)
      return;

   if (g_gbm_surface)
      gbm_surface_destroy(g_gbm_surface);

   if (g_gbm_dev)
      gbm_device_destroy(g_gbm_dev);

   drm_free();

   if (g_drm_fd >= 0)
      retro_fclose(drm->drm);

   g_gbm_surface      = NULL;
   g_gbm_dev          = NULL;
   g_drm_fd           = -1;
}
Ejemplo n.º 12
0
static void gfx_ctx_mali_fbdev_destroy(void *data)
{
   int fb;
   RFILE *fd;
   mali_ctx_data_t *mali = (mali_ctx_data_t*)data;

   if (mali)
   {
       egl_destroy(data);

       mali->resize       = false;
       free(mali);
   }

   /* Clear framebuffer and set cursor on again */
   fd = retro_fopen("/dev/tty", RFILE_MODE_READ_WRITE, -1);
   fb = retro_get_fd(fd);

   ioctl(fb, VT_ACTIVATE,5);
   ioctl(fb, VT_ACTIVATE,1);
   retro_fclose(fd);
   system("setterm -cursor on");
}
Ejemplo n.º 13
0
static int detect_ps1_game_sub(const char *track_path, char *game_id, int sub_channel_mixed)
{
   uint8_t* tmp;
   uint8_t buffer[2048 * 2];
   int skip, frame_size, is_mode1, cd_sector;
   RFILE *fp = retro_fopen(track_path, RFILE_MODE_READ, -1);
   if (!fp)
      return 0;

   is_mode1 = 0;
   retro_fseek(fp, 0, SEEK_END);

   if (!sub_channel_mixed)
   {
      if (!(retro_ftell(fp) & 0x7FF))
      {
         unsigned int mode_test = 0;

         retro_fseek(fp, 0, SEEK_SET);
         retro_fread(fp, &mode_test, 4);
#if defined(MSB_FIRST)
         if (mode_test != 0x00ffffff)
#else
            if (mode_test != 0xffffff00)
#endif
               is_mode1 = 1;
      }
   }

   skip       = is_mode1? 0: 24;
   frame_size = sub_channel_mixed? 2448: is_mode1? 2048: 2352;

   retro_fseek(fp, 156 + skip + 16 * frame_size, SEEK_SET);
   retro_fread(fp, buffer, 6);

   cd_sector = buffer[2] | (buffer[3] << 8) | (buffer[4] << 16);
   retro_fseek(fp, skip + cd_sector * frame_size, SEEK_SET);
   retro_fread(fp, buffer, 2048 * 2);

   tmp = buffer;
   while (tmp < (buffer + 2048 * 2))
   {
      if (!*tmp)
         return 0;

      if (!strncasecmp((const char*)(tmp + 33), "SYSTEM.CNF;1", 12))
         break;

      tmp += *tmp;
   }
   if(tmp >= (buffer + 2048 * 2))
      return 0;

   cd_sector = tmp[2] | (tmp[3] << 8) | (tmp[4] << 16);
   retro_fseek(fp, 13 + skip + cd_sector * frame_size, SEEK_SET);
   retro_fread(fp, buffer, 256);

   tmp = (uint8_t*)strrchr((const char*)buffer, '\\');
   if(!tmp)
      tmp = buffer;
   else
      tmp++;

   *game_id++ = toupper(*tmp++);
   *game_id++ = toupper(*tmp++);
   *game_id++ = toupper(*tmp++);
   *game_id++ = toupper(*tmp++);
   *game_id++ = '-';
   tmp++;
   *game_id++ = *tmp++;
   *game_id++ = *tmp++;
   *game_id++ = *tmp++;
   tmp++;
   *game_id++ = *tmp++;
   *game_id++ = *tmp++;
   *game_id = 0;

   retro_fclose(fp);
   return 1;
}
Ejemplo n.º 14
0
/**
 * menu_content_load_from_playlist:
 * @playlist             : Playlist handle.
 * @idx                  : Index in playlist.
 *
 * Initializes core and loads content based on playlist entry.
 **/
static bool menu_content_load_from_playlist(void *data)
{
   unsigned idx;
   const char *core_path        = NULL;
   const char *path             = NULL;
   menu_content_ctx_playlist_info_t *info = 
      (menu_content_ctx_playlist_info_t *)data;
   content_playlist_t *playlist = NULL;
   
   if (!info)
      return false;

   playlist = (content_playlist_t*)info->data;
   idx      = info->idx;

   if (!playlist)
      return false;

   content_playlist_get_index(playlist,
         idx, &path, NULL, &core_path, NULL, NULL, NULL);

   if (path && !string_is_empty(path))
   {
      unsigned i;
      RFILE *fp           = NULL;
      char *path_check    = NULL;
      char *path_tolower  = strdup(path);

      for (i = 0; i < strlen(path_tolower); ++i)
         path_tolower[i] = tolower(path_tolower[i]);

      if (strstr(path_tolower, ".zip"))
         strstr(path_tolower, ".zip")[4] = '\0';
      else if (strstr(path_tolower, ".7z"))
         strstr(path_tolower, ".7z")[3] = '\0';

      path_check = (char *)
         calloc(strlen(path_tolower) + 1, sizeof(char));

      strncpy(path_check, path, strlen(path_tolower));

      free(path_tolower);

      fp = retro_fopen(path_check, RFILE_MODE_READ, -1);

      free(path_check);

      if (!fp)
         goto error;

      retro_fclose(fp);
   }

   runloop_ctl(RUNLOOP_CTL_SET_LIBRETRO_PATH, (void*)core_path);

   if (path)
      menu_driver_ctl(RARCH_MENU_CTL_UNSET_LOAD_NO_CONTENT, NULL);
   else
      menu_driver_ctl(RARCH_MENU_CTL_SET_LOAD_NO_CONTENT, NULL);

   if (!event_cmd_ctl(EVENT_CMD_EXEC, (void*)path))
      return false;

   event_cmd_ctl(EVENT_CMD_LOAD_CORE, NULL);

   return true;

error:
   runloop_msg_queue_push("File could not be loaded.\n", 1, 100, true);
   return false;
}
Ejemplo n.º 15
0
/**
 * retro_read_file:
 * @path             : path to file.
 * @buf              : buffer to allocate and read the contents of the
 *                     file into. Needs to be freed manually.
 *
 * Read the contents of a file into @buf.
 *
 * Returns: number of items read, -1 on error.
 */
int retro_read_file(const char *path, void **buf, ssize_t *len)
{
   ssize_t ret              = 0;
   ssize_t content_buf_size = 0;
   void *content_buf        = NULL;
   RFILE *file              = retro_fopen(path, RFILE_MODE_READ, -1);

   if (!file)
   {
#if __STDC_VERSION__ >= 199901L
      fprintf(stderr, "%s: Failed to open %s: %s\n", __FUNCTION__, path, strerror(errno));
#else
      fprintf(stderr, "Failed to open %s: %s\n", path, strerror(errno));
#endif
      goto error;
   }

   if (retro_fseek(file, 0, SEEK_END) != 0)
      goto error;

   content_buf_size = retro_ftell(file);
   if (content_buf_size < 0)
      goto error;

   retro_frewind(file);

   content_buf = malloc(content_buf_size + 1);

   if (!content_buf)
      goto error;

   ret = retro_fread(file, content_buf, content_buf_size);
   if (ret < 0)
   {
#if __STDC_VERSION__ >= 199901L
      fprintf(stderr, "%s: Failed to read %s: %s\n", __FUNCTION__, path, strerror(errno));
#else
      fprintf(stderr, "Failed to read %s: %s\n", path, strerror(errno));
#endif
      goto error;
   }

   retro_fclose(file);

   *buf    = content_buf;

   /* Allow for easy reading of strings to be safe.
    * Will only work with sane character formatting (Unix). */
   ((char*)content_buf)[content_buf_size] = '\0';

   if (len)
      *len = ret;

   return 1;

error:
   if (file)
      retro_fclose(file);
   if (content_buf)
      free(content_buf);
   if (len)
      *len = -1;
   *buf = NULL;
   return 0;
}
Ejemplo n.º 16
0
RFILE *retro_fopen(const char *path, unsigned mode, ssize_t len)
{
   int            flags = 0;
   int         mode_int = 0;
   const char *mode_str = NULL;
   RFILE        *stream = (RFILE*)calloc(1, sizeof(*stream));

   if (!stream)
      return NULL;

   (void)mode_str;
   (void)mode_int;
   (void)flags;

   stream->hints = mode;

#ifdef HAVE_MMAP
   if (stream->hints & RFILE_HINT_MMAP && (stream->hints & 0xff) == RFILE_MODE_READ)
      stream->hints |= RFILE_HINT_UNBUFFERED;
   else
#endif
      stream->hints &= ~RFILE_HINT_MMAP;

   switch (mode & 0xff)
   {
      case RFILE_MODE_READ:
#if defined(VITA) || defined(PSP)
         mode_int = 0777;
         flags    = PSP_O_RDONLY;
#elif defined(__CELLOS_LV2__)
         mode_int = 0777;
         flags    = CELL_FS_O_RDONLY;
#else
#if defined(HAVE_BUFFERED_IO)
         if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
            mode_str = "rb";
#endif
         /* No "else" here */
         flags    = O_RDONLY;
#endif
         break;
      case RFILE_MODE_WRITE:
#if defined(VITA) || defined(PSP)
         mode_int = 0777;
         flags    = PSP_O_CREAT | PSP_O_WRONLY | PSP_O_TRUNC;
#elif defined(__CELLOS_LV2__)
         mode_int = 0777;
         flags    = CELL_FS_O_CREAT | CELL_FS_O_WRONLY | CELL_FS_O_TRUNC;
#else
#if defined(HAVE_BUFFERED_IO)
         if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
            mode_str = "wb";
#endif
         else
         {
            flags    = O_WRONLY | O_CREAT | O_TRUNC;
#ifndef _WIN32
            flags   |=  S_IRUSR | S_IWUSR;
#endif
         }
#endif
         break;
      case RFILE_MODE_READ_WRITE:
#if defined(VITA) || defined(PSP)
         mode_int = 0777;
         flags    = PSP_O_RDWR;
#elif defined(__CELLOS_LV2__)
         mode_int = 0777;
         flags    = CELL_FS_O_RDWR;
#else
#if defined(HAVE_BUFFERED_IO)
         if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
            mode_str = "w+";
#endif
         else
         {
            flags    = O_RDWR;
#ifdef _WIN32
            flags   |= O_BINARY;
#endif
         }
#endif
         break;
   }

#if defined(VITA) || defined(PSP)
   stream->fd = sceIoOpen(path, flags, mode_int);
#elif defined(__CELLOS_LV2__)
   cellFsOpen(path, flags, &stream->fd, NULL, 0);
#else
#if defined(HAVE_BUFFERED_IO)
   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
   {
      stream->fp = fopen(path, mode_str);
      if (!stream->fp)
         goto error;
   }
   else
#endif
   {
      stream->fd = open(path, flags);
      if (stream->fd == -1)
         goto error;
#ifdef HAVE_MMAP
      if (stream->hints & RFILE_HINT_MMAP)
      {
         stream->mappos  = 0;
         stream->mapped  = NULL;
         stream->mapsize = retro_fseek(stream, 0, SEEK_END);

         if (stream->mapsize == (uint64_t)-1)
            goto error;

         retro_frewind(stream);

         stream->mapped = (uint8_t*)mmap((void*)0, stream->mapsize, PROT_READ,  MAP_SHARED, stream->fd, 0);

         if (stream->mapped == MAP_FAILED)
            stream->hints &= ~RFILE_HINT_MMAP;
      }
#endif
   }
#endif

#if defined(VITA) || defined(PSP) || defined(__CELLOS_LV2__)
   if (stream->fd == -1)
      goto error;
#endif

   return stream;

error:
   retro_fclose(stream);
   return NULL;
}
Ejemplo n.º 17
0
int detect_psp_game(const char *track_path, char *game_id)
{
    bool rv = false;
    unsigned pos;
    RFILE *fd = retro_fopen(track_path, RFILE_MODE_READ, -1);

    if (!fd)
    {
        RARCH_LOG("Could not open data track: %s\n", strerror(errno));
        return -errno;
    }

    for (pos = 0; pos < 100000; pos++)
    {
        retro_fseek(fd, pos, SEEK_SET);

        if (retro_fread(fd, game_id, 5) > 0)
        {
            game_id[5] = '\0';
            if (!strcmp(game_id, "ULES-")
                    || !strcmp(game_id, "ULUS-")
                    || !strcmp(game_id, "ULJS-")

                    || !strcmp(game_id, "ULEM-")
                    || !strcmp(game_id, "ULUM-")
                    || !strcmp(game_id, "ULJM-")

                    || !strcmp(game_id, "UCES-")
                    || !strcmp(game_id, "UCUS-")
                    || !strcmp(game_id, "UCJS-")
                    || !strcmp(game_id, "UCAS-")

                    || !strcmp(game_id, "NPEH-")
                    || !strcmp(game_id, "NPUH-")
                    || !strcmp(game_id, "NPJH-")

                    || !strcmp(game_id, "NPEG-")
                    || !strcmp(game_id, "NPUG-")
                    || !strcmp(game_id, "NPJG-")
                    || !strcmp(game_id, "NPHG-")

                    || !strcmp(game_id, "NPEZ-")
                    || !strcmp(game_id, "NPUZ-")
                    || !strcmp(game_id, "NPJZ-")
               )
            {
                retro_fseek(fd, pos, SEEK_SET);
                if (retro_fread(fd, game_id, 10) > 0)
                {
#if 0
                    game_id[4] = '-';
                    game_id[8] = game_id[9];
                    game_id[9] = game_id[10];
#endif
                    game_id[10] = '\0';
                    rv = true;
                }
                break;
            }
        }
        else
            break;
    }

    retro_fclose(fd);
    return rv;
}
Ejemplo n.º 18
0
RFILE *retro_fopen(const char *path, unsigned mode, ssize_t len)
{
   int            flags = 0;
   int         mode_int = 0;
   const char *mode_str = NULL;
   RFILE        *stream = (RFILE*)calloc(1, sizeof(*stream));

   if (!stream)
      return NULL;

   (void)mode_str;
   (void)mode_int;
   (void)flags;

   switch (mode)
   {
      case RFILE_MODE_READ:
#if defined(VITA) || defined(PSP)
         mode_int = 0777;
         flags    = PSP_O_RDONLY;
#elif defined(__CELLOS_LV2__)
         mode_int = 0777;
         flags    = CELL_FS_O_RDONLY;
#elif defined(HAVE_BUFFERED_IO)
         mode_str = "rb";
#else
         flags    = O_RDONLY;
#endif
         break;
      case RFILE_MODE_WRITE:
#if defined(VITA) || defined(PSP)
         mode_int = 0777;
         flags    = PSP_O_CREAT | PSP_O_WRONLY | PSP_O_TRUNC;
#elif defined(__CELLOS_LV2__)
         mode_int = 0777;
         flags    = CELL_FS_O_CREAT | CELL_FS_O_WRONLY | CELL_FS_O_TRUNC;
#elif defined(HAVE_BUFFERED_IO)
         mode_str = "wb";
#else
         flags    = O_WRONLY | O_CREAT | O_TRUNC | S_IRUSR | S_IWUSR;
#endif
         break;
      case RFILE_MODE_READ_WRITE:
#if defined(VITA) || defined(PSP)
         mode_int = 0777;
         flags    = PSP_O_RDWR;
#elif defined(__CELLOS_LV2__)
         mode_int = 0777;
         flags    = CELL_FS_O_RDWR;
#elif defined(HAVE_BUFFERED_IO)
         mode_str = "w+";
#else
         flags    = O_RDWR;
#ifdef _WIN32
         flags   |= O_BINARY;
#endif
#endif
         break;
   }

#if defined(VITA) || defined(PSP)
   stream->fd = sceIoOpen(path, flags, mode_int);
#elif defined(__CELLOS_LV2__)
   cellFsOpen(path, flags, &stream->fd, NULL, 0);
#elif defined(HAVE_BUFFERED_IO)
   stream->fd = fopen(path, mode_str);
#else
   stream->fd = open(path, flags);
#endif

#if defined(HAVE_BUFFERED_IO)
   if (!stream->fd)
      goto error;
#else
   if (stream->fd == -1)
      goto error;
#endif

   return stream;

error:
   retro_fclose(stream);
   return NULL;
}