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Return EXIT_FAILURE when c_die called #192

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Return EXIT_FAILURE when c_die called #192

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4c85105
Return `EXIT_FAILURE` when `c_die` called.
ChenPi11 Aug 21, 2024
bb3381f
Replace `exit(0)` with `exit(EXIT_SUCCESS)`.
ChenPi11 Aug 21, 2024
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36 changes: 13 additions & 23 deletions cmatrix.c
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Original file line number Diff line number Diff line change
Expand Up @@ -105,7 +105,7 @@ int va_system(char *str, ...) {
}

/* What we do when we're all set to exit */
void finish(void) {
void finish(int can_exit) {
curs_set(1);
clear();
refresh();
Expand All @@ -118,32 +118,22 @@ void finish(void) {
va_system("setfont");
#endif
}
exit(0);
if (can_exit)
exit(EXIT_SUCCESS);
}

/* What we do when we're all set to exit */
void c_die(char *msg, ...) {

va_list ap;

curs_set(1);
clear();
refresh();
resetty();
endwin();

if (console) {
#ifdef HAVE_CONSOLECHARS
va_system("consolechars -d");
#elif defined(HAVE_SETFONT)
va_system("setfont");
#endif
}
finish(0);

va_start(ap, msg);
vfprintf(stderr, msg, ap);
va_end(ap);
exit(0);

exit(EXIT_FAILURE);
}

void usage(void) {
Expand Down Expand Up @@ -403,7 +393,7 @@ int main(int argc, char *argv[]) {
case 'h':
case '?':
usage();
exit(0);
exit(EXIT_SUCCESS);
case 'o':
oldstyle = 1;
break;
Expand All @@ -415,7 +405,7 @@ int main(int argc, char *argv[]) {
break;
case 'V':
version();
exit(0);
exit(EXIT_SUCCESS);
case 'r':
rainbow = 1;
break;
Expand Down Expand Up @@ -545,7 +535,7 @@ if (console) {
/* Check for signals */
if (signal_status == SIGINT || signal_status == SIGQUIT) {
if (lock != 1)
finish();
finish(1);
/* exits */
}
if (signal_status == SIGWINCH) {
Expand All @@ -555,7 +545,7 @@ if (console) {

if (signal_status == SIGTSTP) {
if (lock != 1)
finish();
finish(1);
}
#endif

Expand All @@ -578,15 +568,15 @@ if (console) {
ioctl(STDIN_FILENO, TIOCSTI, (char*)(str + i));
free(str);
#endif
finish();
finish(1);
} else {
switch (keypress) {
#ifdef _WIN32
case 3: /* Ctrl-C. Fall through */
#endif
case 'q':
if (lock != 1)
finish();
finish(1);
break;
case 'a':
asynch = 1 - asynch;
Expand Down Expand Up @@ -890,5 +880,5 @@ if (console) {

napms(update * 10);
}
finish();
finish(1);
}