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add check that snprintf doesn't write the NUL into the last byte when

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its a zero length input string


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15030 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2005-04-30 15:03:57 +00:00
parent 45032b3505
commit f651d08834
1 changed files with 9 additions and 0 deletions
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9
lib/roken/snprintf-test.c
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@@ -225,6 +225,14 @@ test_null (void)
return snprintf (NULL, 0, "foo") != 3; return snprintf (NULL, 0, "foo") != 3;
} }
static int
test_length (void)
{
char ch = 'a';
snprintf (&ch, 0, "foo");
return ch != 'a';
}
int int
main (int argc, char **argv) main (int argc, char **argv)
{ {
@@ -236,5 +244,6 @@ main (int argc, char **argv)
ret += cmp_with_sprintf_long_long (); ret += cmp_with_sprintf_long_long ();
#endif #endif
ret += test_null (); ret += test_null ();
ret += test_length ();
return ret; return ret;
} }