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Homebrew PS2, PSP & PS3 Development Discussions
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carvalhotk
Joined: 22 Oct 2009
Posts: 4
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 Posted: Mon Oct 26, 2009 1:37 am Post subject: How to handle stdout and stderr on PSP? |
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Hello, there.
The question is that: how is the right way to handle stdout and stderr on the PSP? I mean, I can't just use pspDebugScreenPrintf, because the libraries that are extern to my program don't use it. So, I fell like I have to redirect the output to files, but as I have seen, it's not a good way to do it.
For example, if I use the following code:
| Code: | FILE *fp_out = NULL;
FILE *fp_err = NULL;
void PSP_quit()
{
if (fp_out) {
fclose(fp_out);
}
if (fp_err) {
fclose(fp_err);
}
sceKernelExitGame();
}
int main(int argc, char **argv)
{
[ setup the exit callback... ]
fp_out = freopen("stdout", "w", stdout);
fp_err = freopen("stderr", "w", stderr);
atexit(PSP_quit);
[ run my program, use puts on my Ruby scripts, and so ...]
exit(EXIT_SUCCESS);
} |
It'll not work. Ive tried to run the following ruby script:
| Code: | i = 0
while i < 100
puts "Iteration #{i.to_s}"
i += 1
end |
The program runs fine, finalizes fine, but my stdout looks like:
| Code: | Iteration 0
Iteration 1
[...]
Iteration 76
Iterat
EOF |
Thank you guys. |
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jimparis
Joined: 10 Jun 2005
Posts: 1179
Location: Boston
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| Posted: Mon Oct 26, 2009 2:43 am Post subject: |
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| Are you sure the atexit handler is being called? |
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willow :--)
Joined: 13 Jan 2007
Posts: 126
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| Posted: Mon Oct 26, 2009 12:18 pm Post subject: |
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stderr works correctly if you test your application through PSPLink, no Voodoo magic is required, so I'm not entirely sure what you're trying to accomplish...
_________________
Wagic. Play that card game against an AI on your PSP |
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liberty
Joined: 16 Sep 2009
Posts: 35
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| Posted: Thu Oct 29, 2009 6:14 am Post subject: Re: How to handle stdout and stderr on PSP? |
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| carvalhotk wrote: | Hello, there.
The question is that: how is the right way to handle stdout and stderr on the PSP? I mean, I can't just use pspDebugScreenPrintf, because the libraries that are extern to my program don't use it. So, I fell like I have to redirect the output to files, but as I have seen, it's not a good way to do it.
For example, if I use the following code:
| Code: | FILE *fp_out = NULL;
FILE *fp_err = NULL;
void PSP_quit()
{
if (fp_out) {
fclose(fp_out);
}
if (fp_err) {
fclose(fp_err);
}
sceKernelExitGame();
}
int main(int argc, char **argv)
{
[ setup the exit callback... ]
fp_out = freopen("stdout", "w", stdout);
fp_err = freopen("stderr", "w", stderr);
atexit(PSP_quit);
[ run my program, use puts on my Ruby scripts, and so ...]
exit(EXIT_SUCCESS);
} |
It'll not work. Ive tried to run the following ruby script:
| Code: | i = 0
while i < 100
puts "Iteration #{i.to_s}"
i += 1
end |
The program runs fine, finalizes fine, but my stdout looks like:
| Code: | Iteration 0
Iteration 1
[...]
Iteration 76
Iterat
EOF |
Thank you guys. |
You can just include stdio.h and do not redefine printf then you can use standard C library and get output from PSPLink, |
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carvalhotk
Joined: 22 Oct 2009
Posts: 4
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| Posted: Tue Nov 03, 2009 3:41 am Post subject: |
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| Thank you, guys. This psplink thing is amazing! |
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