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Attempt to always return from ssnes_main_init() when errors occur.

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This commit is contained in:
Themaister 2012-01-14 16:08:54 +01:00
parent 661836fd77
commit abf34c06c1
6 changed files with 59 additions and 27 deletions
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12
driver.c
View File

@ -139,7 +139,7 @@ static void find_audio_driver(void)
for (size_t i = 0; i < sizeof(audio_drivers) / sizeof(audio_driver_t*); i++)
fprintf(stderr, "\t%s\n", audio_drivers[i]->ident);
exit(1);
ssnes_fail(1, "find_audio_driver()");
}
static void find_video_driver(void)
@ -157,7 +157,7 @@ static void find_video_driver(void)
for (size_t i = 0; i < sizeof(video_drivers) / sizeof(video_driver_t*); i++)
fprintf(stderr, "\t%s\n", video_drivers[i]->ident);
exit(1);
ssnes_fail(1, "find_video_driver()");
}
static void find_input_driver(void)
@ -175,7 +175,7 @@ static void find_input_driver(void)
for (size_t i = 0; i < sizeof(input_drivers) / sizeof(input_driver_t*); i++)
fprintf(stderr, "\t%s\n", input_drivers[i]->ident);
exit(1);
ssnes_fail(1, "find_input_driver()");
}
void init_drivers(void)
@ -549,7 +549,7 @@ void init_video_input(void)
if (driver.video_data == NULL)
{
SSNES_ERR("Cannot open video driver ... Exiting ...\n");
exit(1);
ssnes_fail(1, "init_video_input()");
}
// Video driver didn't provide an input driver so we use configured one.
@ -562,13 +562,13 @@ void init_video_input(void)
if (driver.input_data == NULL)
{
SSNES_ERR("Cannot init input driver. Exiting ...\n");
exit(1);
ssnes_fail(1, "init_video_input()");
}
}
else
{
SSNES_ERR("Cannot find input driver. Exiting ...\n");
exit(1);
ssnes_fail(1, "init_video_input()");
}
}
}

6
dynamic.c
View File

@ -40,7 +40,7 @@
#define SYM(type, x) do { \
p##x = (type)DLSYM(lib_handle, x); \
if (p##x == NULL) { SSNES_ERR("Failed to load symbol: \"%s\"\n", #x); exit(1); } \
if (p##x == NULL) { SSNES_ERR("Failed to load symbol: \"%s\"\n", #x); ssnes_fail(1, "init_libsnes_sym()"); } \
} while (0)
#define OPT_SYM(type, x) do { \
@ -114,7 +114,7 @@ static void load_dynamic(void)
if (!lib_handle)
{
SSNES_ERR("Failed to open dynamic library: \"%s\"\n", g_settings.libsnes);
exit(1);
ssnes_fail(1, "load_dynamic()");
}
SYM(void (*)(void), snes_init);
@ -202,7 +202,7 @@ void init_libsnes_sym(void)
SSNES_ERR("Serious problem! SSNES wants to load libsnes dyamically, but it is already linked!\n");
SSNES_ERR("This could happen if other modules SSNES depends on link against libsnes directly.\n");
SSNES_ERR("Proceeding could cause a crash! Aborting ...\n");
exit(1);
ssnes_fail(1, "init_libsnes_sym()");
}
if (!*g_settings.libsnes)

17
general.h
View File

@ -23,6 +23,7 @@
#include <stdio.h>
#include <time.h>
#include <limits.h>
#include <setjmp.h>
#include "driver.h"
#include "record/ffemu.h"
#include "message.h"
@ -32,6 +33,7 @@
#include "dynamic.h"
#include "cheats.h"
#include "audio/ext/ssnes_dsp.h"
#include "strl.h"
#ifdef __CELLOS_LV2__
#include <sys/timer.h>
@ -354,11 +356,16 @@ struct global
#ifdef HAVE_XML
cheat_manager_t *cheat;
#endif
bool error_in_init;
char error_string[1024];
jmp_buf error_sjlj_context;
};
void parse_config(void);
void config_set_defaults(void);
void ssnes_main_clear_state(void);
int ssnes_main_init(int argc, char *argv[]);
bool ssnes_main_iterate(void);
void ssnes_main_deinit(void);
@ -444,6 +451,16 @@ static inline void ssnes_sleep(unsigned msec)
#define ssnes_assert(cond) \
if (!(cond)) { SSNES_ERR("Assertion failed at %s:%d!\n", __FILE__, __LINE__); exit(2); }
static inline void ssnes_fail(int error_code, const char *error)
{
// We cannot longjmp unless we're in ssnes_main_init().
// If not, something went very wrong, and we should just exit right away.
ssnes_assert(g_extern.error_in_init);
strlcpy(g_extern.error_string, error, sizeof(g_extern.error_string));
longjmp(g_extern.error_sjlj_context, error_code);
}
#endif

2
movie.c
View File

@ -179,7 +179,7 @@ static bool init_playback(bsv_movie_t *handle, const char *path)
if (psnes_serialize_size() != state_size)
{
SSNES_ERR("Movie format seems to have a different serializer version. Cannot continue.\n");
exit(1);
ssnes_fail(1, "init_playback()");
}
// Unserialize to start playback.

2
settings.c
View File

@ -323,7 +323,7 @@ static void parse_config_file(void)
if (!conf)
{
SSNES_ERR("Couldn't find config at path: \"%s\"\n", g_extern.config_path);
exit(1);
ssnes_fail(1, "parse_config_file()");
}
}
else

47
ssnes.c
View File

@ -529,7 +529,7 @@ static void set_paths(const char *path)
if (g_extern.rom_file == NULL)
{
SSNES_ERR("Could not open file: \"%s\"\n", path);
exit(1);
ssnes_fail(1, "set_paths()");
}
if (!g_extern.has_set_save_path)
@ -568,26 +568,26 @@ static void verify_stdin_paths(void)
{
SSNES_ERR("Need savefile path argument (--save) when reading rom from stdin.\n");
print_help();
exit(1);
ssnes_fail(1, "verify_stdin_paths()");
}
else if (strlen(g_extern.savestate_name) == 0)
{
SSNES_ERR("Need savestate path argument (--savestate) when reading rom from stdin.\n");
print_help();
exit(1);
ssnes_fail(1, "verify_stdin_paths()");
}
if (path_is_directory(g_extern.savefile_name_srm))
{
SSNES_ERR("Cannot specify directory for path argument (--save) when reading from stdin.\n");
print_help();
exit(1);
ssnes_fail(1, "verify_stdin_paths()");
}
else if (path_is_directory(g_extern.savestate_name))
{
SSNES_ERR("Cannot specify directory for path argument (--savestate) when reading from stdin.\n");
print_help();
exit(1);
ssnes_fail(1, "verify_stdin_paths()");
}
#ifdef HAVE_CONFIGFILE
@ -595,7 +595,7 @@ static void verify_stdin_paths(void)
{
SSNES_ERR("Cannot specify directory for config file (--config) when reading from stdin.\n");
print_help();
exit(1);
ssnes_fail(1, "verify_stdin_paths()");
}
#endif
}
@ -605,7 +605,7 @@ static void parse_input(int argc, char *argv[])
if (argc < 2)
{
print_help();
exit(1);
ssnes_fail(1, "parse_input()");
}
int val = 0;
@ -756,7 +756,7 @@ static void parse_input(int argc, char *argv[])
{
SSNES_ERR("Connect mouse to port 1 or 2.\n");
print_help();
exit(1);
ssnes_fail(1, "parse_input()");
}
g_extern.has_mouse[port - 1] = true;
break;
@ -767,7 +767,7 @@ static void parse_input(int argc, char *argv[])
{
SSNES_ERR("Disconnected device from port 1 or 2.\n");
print_help();
exit(1);
ssnes_fail(1, "parse_input()");
}
g_extern.disconnect_device[port - 1] = true;
break;
@ -817,7 +817,7 @@ static void parse_input(int argc, char *argv[])
{
SSNES_ERR("Invalid argument in --sram-mode!\n");
print_help();
exit(1);
ssnes_fail(1, "parse_input()");
}
break;
@ -881,7 +881,7 @@ static void parse_input(int argc, char *argv[])
{
SSNES_ERR("Wrong format for --size.\n");
print_help();
exit(1);
ssnes_fail(1, "parse_input()");
}
ptr++;
@ -890,7 +890,7 @@ static void parse_input(int argc, char *argv[])
{
SSNES_ERR("Wrong format for --size.\n");
print_help();
exit(1);
ssnes_fail(1, "parse_input()");
}
break;
}
@ -906,11 +906,11 @@ static void parse_input(int argc, char *argv[])
case '?':
print_help();
exit(1);
ssnes_fail(1, "parse_input()");
default:
SSNES_ERR("Error parsing arguments.\n");
exit(1);
ssnes_fail(1, "parse_input()");
}
}
@ -1173,7 +1173,7 @@ static void init_movie(void)
if (!g_extern.bsv.movie)
{
SSNES_ERR("Failed to load movie file: \"%s\"!\n", g_extern.bsv.movie_start_path);
exit(1);
ssnes_fail(1, "init_movie()");
}
g_extern.bsv.movie_playback = true;
@ -2041,12 +2041,26 @@ static void init_state(void)
g_extern.game_type = SSNES_CART_NORMAL;
}
void ssnes_main_clear_state(void)
{
memset(&g_settings, 0, sizeof(g_settings));
memset(&g_extern, 0, sizeof(g_extern));
init_state();
}
int ssnes_main_init(int argc, char *argv[])
{
init_state();
parse_input(argc, argv);
int sjlj_ret;
if ((sjlj_ret = setjmp(g_extern.error_sjlj_context)) > 0)
{
SSNES_ERR("Fatal error received in: \"%s\"\n", g_extern.error_string);
return sjlj_ret;
}
g_extern.error_in_init = true;
if (g_extern.verbose)
{
fprintf(stderr, "=== Build =======================================");
@ -2120,6 +2134,7 @@ int ssnes_main_init(int argc, char *argv[])
init_cheats();
#endif
g_extern.error_in_init = false;
return 0;
error: