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* util/grub-menulst2cfg.c (main): Check return value of fwrite.

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* util/grub-mklayout.c (write_file): Likewise. New argument fname.
	All users updated.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2012-05-10 09:39:11 +02:00
parent 9133fd053f
commit 8aeb18379b
3 changed files with 31 additions and 9 deletions
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11
util/grub-menulst2cfg.c
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@ -35,6 +35,7 @@ main (int argc, char **argv)
size_t bufsize = 0;
char *suffix = xstrdup ("");
int suffixlen = 0;
const char *out_fname = 0;
if (argc >= 2 && argv[1][0] == '-')
{
@ -66,6 +67,7 @@ main (int argc, char **argv)
argv[2], strerror (errno));
return 1;
}
out_fname = argv[2];
}
else
out = stdout;
@ -109,7 +111,14 @@ main (int argc, char **argv)
if (entryname)
fprintf (out, "}\n\n");
fwrite (suffix, 1, suffixlen, out);
if (fwrite (suffix, 1, suffixlen, out) != suffixlen)
{
if (out_fname)
grub_util_error ("cannot write to `%s': %s",
out_fname, strerror (errno));
else
grub_util_error ("cannot write to the stdout: %s", strerror (errno));
}
free (buf);
free (suffix);