#include <time.h> /* for time() */
#include <unistd.h> /* for unlink(), getopt(), optarg */
#include <stdint.h> /* for uint8_t */
+#include <errno.h> /* for errno */
#include "windows.h" /* for structs WinMeta, Win, init_win(), init_win_meta(),
* draw_all_wins()
*/
int main(int argc, char *argv[])
{
struct World world;
+ char * recordfile = "record";
+ char * savefile = "savefile";
+ char * err_x = "A file 'record' exists, but no 'savefile'. If everything "
+ "was in order, both or none would exist. I won't start "
+ "until this is corrected.";
+ if (!access(recordfile, F_OK) && access(savefile, F_OK))
+ {
+ errno = 0;
+ exit_err(1, &world, err_x);
+ }
+ err_x = "A 'savefile' exists, but no file 'record'. If everything "
+ "was in order, both or none would exist. I won't start "
+ "until this is corrected.";
+
+ if (!access(savefile, F_OK) && access(recordfile, F_OK))
+ {
+ errno = 0;
+ exit_err(1, &world, err_x);
+ }
char * recordfile_tmp = "record_tmp";
char * savefile_tmp = "savefile_tmp";
- char * err_x = "A file 'recordfile_tmp' exists, probably from a corrupted "
+ err_x = "A file 'recordfile_tmp' exists, probably from a corrupted "
"previous record saving process. To avoid game record "
"corruption, I won't start until it is removed or renamed.";
exit_err(!access(recordfile_tmp, F_OK), &world, err_x);
init_map_object_defs(&world, "defs");
/* For interactive mode, try to load world state from savefile. */
- char * err_o = "Error loading game: "
- "Unable to open 'savefile' for reading.";
- char * err_r = "Error loading game: "
- "Trouble reading from opened 'savefile'.";
- char * err_c = "Error loading game: "
- "Unable to close opened 'savefile'.";
- char * savefile = "savefile";
+ char * err_o = "Trouble loading game (fopen() in main()) / "
+ "opening 'savefile' for reading.";
+ char * err_r = "Trouble loading game (in main()) / "
+ "reading from opened 'savefile'.";
+ char * err_c = "Trouble loading game (fclose() in main()) / "
+ "closing opened 'savefile'.";
FILE * file;
if (1 == world.interactive && 0 == access(savefile, F_OK))
{
/* For non-interactive mode, try to load world state from record file. */
else
{
- err_o = "Error loading record file: "
- "Unable to open file 'record' for reading.";
- err_r = "Error loading record file: "
- "Trouble reading from opened file 'record'.";
- char * recordfile = "record";
+ err_o = "Trouble loading record file (fopen() in main()) / "
+ "opening file 'record' for reading.";
+ err_r = "Trouble loading record file (read_uint32_bigendian() in "
+ "main()) / reading from opened file 'record'.";
world.turn = 1;
if (0 == world.interactive)
{
{
world.seed = time(NULL);
- err_x = "Error recording new seed: "
- "A file 'record' already exists, when it shouldn't.";
- err_o = "Error recording new seed: "
- "Unable to open 'record_tmp' file for writing.";
- char * err_w = "Error recording new seed: "
- "Trouble writing to opened file 'record_tmp'.";
- err_c = "Error recording new seed: "
- "Unable to close opened file 'record_tmp'.";
- char * err_m = "Error recording new seed: "
- "Unable to rename file 'record_tmp' to 'record'.";
- exit_err(!access(recordfile, F_OK), &world, err_x);
+ err_o = "Trouble recording new seed (fopen() in main()) / "
+ "opening 'record_tmp' file for writing.";
+ char * err_w = "Trouble recording new seed "
+ "(write_uint32_bigendian() in main()) / writing to "
+ "opened file 'record_tmp'.";
+ err_c = "Trouble recording new seed (fclose() in main()) / "
+ "closing opened file 'record_tmp'.";
+ char * err_m = "Trouble recording new seed (rename() in main()) : "
+ "renaming file 'record_tmp' to 'record'.";
file = fopen(recordfile_tmp, "w");
exit_err(0 == file, &world, err_o);
exit_err(write_uint32_bigendian(world.seed, file), &world, err_w);
raw();
init_keybindings(&world);
set_cleanup_flag(CLEANUP_KEYBINDINGS);
- struct WinMeta win_meta = init_win_meta(screen);
+ struct WinMeta win_meta;
+ char * err_winmem = "Trouble with init_win() or draw_all_wins() in main().";
+ exit_err(init_win_meta(screen, &win_meta), &world, err_winmem);
struct Win win_keys = init_win(&win_meta, "Keys",
0, 29, &world, draw_keys_win);
struct Win win_info = init_win(&win_meta, "Info",
}
if (0 == start_turn)
{
- draw_all_wins (&win_meta);
- key = getch();
+ exit_err(draw_all_wins(&win_meta), &world, err_winmem);
+ key = getch();
}
if (1 == await_actions
&& (world.turn < start_turn
&win_map, &win_info, &win_log);
if (1 == quit_called)
{
- err_c = "Error closing read 'record' file.";
+ err_c = "Trouble closing 'record' file (fclose() in "
+ "main()).";
exit_err(fclose(file), &world, err_c);
exit_game(&world);
}