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tload: check write() return value

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Exit at rare events when writing to tty is unsuccessful.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2012-01-21 16:24:33 +01:00
parent bc974b3c33
commit ae08eb8af6
1 changed files with 4 additions and 2 deletions
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6
tload.c
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@ -187,8 +187,10 @@ int main(int argc, char **argv)
if (i > 0) if (i > 0)
screen[i] = ' '; screen[i] = ' ';
write(fd, "\033[H", 3); if (write(fd, "\033[H", 3) < 0)
write(fd, screen, scr_size - 1); xerr(EXIT_FAILURE, _("writing to tty failed"));
if (write(fd, screen, scr_size - 1) < 0)
xerr(EXIT_FAILURE, _("writing to tty failed"));
pause(); pause();
} }
} }