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Use atexit() to wait for key press at program ternination.

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Idea by polluks.
This commit is contained in:
Christian Groessler
2016-05-31 10:38:02 +02:00
parent b979fb5763
commit 4d02d47832
1 changed files with 9 additions and 20 deletions
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29
libsrc/atari/targetutil/w2cas.c
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@@ -32,6 +32,13 @@ static struct __iocb *findfreeiocb(void)
return NULL; return NULL;
} }
static void exitfn(void)
{
/* if DOS will automatically clear the screen, after the program exits, wait for a keypress... */
if (! _is_cmdline_dos())
cgetc();
}
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
char *filename, *x; char *filename, *x;
@@ -43,10 +50,10 @@ int main(int argc, char **argv)
struct __iocb *iocb = findfreeiocb(); struct __iocb *iocb = findfreeiocb();
int iocb_num; int iocb_num;
atexit(exitfn);
if (! iocb) { if (! iocb) {
fprintf(stderr, "couldn't find a free iocb\n"); fprintf(stderr, "couldn't find a free iocb\n");
if (! _is_cmdline_dos())
cgetc();
return 1; return 1;
} }
iocb_num = (iocb - &IOCB) * 16; iocb_num = (iocb - &IOCB) * 16;
@@ -59,16 +66,12 @@ int main(int argc, char **argv)
printf("\n"); printf("\n");
if (! x) { if (! x) {
printf("empty filename, exiting...\n"); printf("empty filename, exiting...\n");
if (! _is_cmdline_dos())
cgetc();
return 1; return 1;
} }
if (*x && *(x + strlen(x) - 1) == '\n') if (*x && *(x + strlen(x) - 1) == '\n')
*(x + strlen(x) - 1) = 0; *(x + strlen(x) - 1) = 0;
if (! strlen(x)) { /* empty filename */ if (! strlen(x)) { /* empty filename */
printf("empty filename, exiting...\n"); printf("empty filename, exiting...\n");
if (! _is_cmdline_dos())
cgetc();
return 1; return 1;
} }
filename = x; filename = x;
@@ -84,8 +87,6 @@ int main(int argc, char **argv)
buffer = malloc(buflen); buffer = malloc(buflen);
if (! buffer) { if (! buffer) {
fprintf(stderr, "cannot alloc %ld bytes -- aborting...\n", (long)buflen); fprintf(stderr, "cannot alloc %ld bytes -- aborting...\n", (long)buflen);
if (! _is_cmdline_dos())
cgetc();
return 1; return 1;
} }
} }
@@ -97,8 +98,6 @@ int main(int argc, char **argv)
if (! file) { if (! file) {
free(buffer); free(buffer);
fprintf(stderr, "cannot open '%s': %s\n", filename, strerror(errno)); fprintf(stderr, "cannot open '%s': %s\n", filename, strerror(errno));
if (! _is_cmdline_dos())
cgetc();
return 1; return 1;
} }
@@ -111,8 +110,6 @@ int main(int argc, char **argv)
file_err: file_err:
fclose(file); fclose(file);
free(buffer); free(buffer);
if (! _is_cmdline_dos())
cgetc();
return 1; return 1;
} }
if (filen > 32767l) { if (filen > 32767l) {
@@ -143,8 +140,6 @@ int main(int argc, char **argv)
if (regs.y != 1) { if (regs.y != 1) {
fprintf(stderr, "CIO call to open cassette returned %d\n", regs.y); fprintf(stderr, "CIO call to open cassette returned %d\n", regs.y);
free(buffer); free(buffer);
if (! _is_cmdline_dos())
cgetc();
return 1; return 1;
} }
@@ -167,8 +162,6 @@ int main(int argc, char **argv)
regs.pc = 0xe456; /* CIOV */ regs.pc = 0xe456; /* CIOV */
_sys(&regs); _sys(&regs);
if (! _is_cmdline_dos())
cgetc();
return 1; return 1;
} }
@@ -183,14 +176,10 @@ int main(int argc, char **argv)
if (regs.y != 1) { if (regs.y != 1) {
fprintf(stderr, "CIO call to close cassette returned %d\n", regs.y); fprintf(stderr, "CIO call to close cassette returned %d\n", regs.y);
if (! _is_cmdline_dos())
cgetc();
return 1; return 1;
} }
/* all is fine */ /* all is fine */
printf("success\n"); printf("success\n");
if (! _is_cmdline_dos())
cgetc();
return 0; return 0;
} }