diff options
| author | Patrick Georgi <patrick@georgi-clan.de> | 2014-08-09 19:42:08 +0200 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2014-08-10 08:19:44 +0200 |
| commit | b6239b81aa3a3ac9cb08aa70d1f1179e1619f429 (patch) | |
| tree | 32e1b451615c0a928777d50bf37326070553ed9f | |
| parent | f17c58b415219d889fe57a06be63f826f7a7c1b7 (diff) | |
romcc: properly check out-of-range unsigned longs
Testing if an unsigned long is greater than ULONG_T_MAX isn't very
useful. The second half of the test checked for too small values
(ie. <= -ULONG_T_MAX).
In both cases errno is set to ERANGE, so just check for that.
Change-Id: I92bad9d1715673531bef5d5d5756feddeb7674b4
Found-by: Coverity Scan
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/6568
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
| -rw-r--r-- | util/romcc/romcc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/util/romcc/romcc.c b/util/romcc/romcc.c index 84270bb985..49b4dd4720 100644 --- a/util/romcc/romcc.c +++ b/util/romcc/romcc.c @@ -10797,8 +10797,8 @@ static struct triple *integer_constant(struct compile_state *state) errno = 0; decimal = (tk->val.str[0] != '0'); val = strtoul(tk->val.str, &end, 0); - if ((val > ULONG_T_MAX) || ((val == ULONG_MAX) && (errno == ERANGE))) { - error(state, 0, "Integer constant to large"); + if (errno == ERANGE) { + error(state, 0, "Integer constant out of range"); } u = l = 0; if ((*end == 'u') || (*end == 'U')) { |