void check_kver(void)
{
int v1, v2, v3;
tst_parse_kver(tst_test->min_kver, &v1, &v2, &v3);
if (tst_kvercmp(v1, v2, v3) < 0) {
tst_brk(TCONF, "The test requires kernel %s or newer",
tst_test->min_kver);
}
}
void check_kver(void)
{
int v1, v2, v3;
if (tst_parse_kver(tst_test->min_kver, &v1, &v2, &v3)) {
tst_res(TWARN,
"Invalid kernel version %s, expected %%d.%%d.%%d",
tst_test->min_kver);
}
if (tst_kvercmp(v1, v2, v3) < 0) {
tst_brk(TCONF, "The test requires kernel %s or newer",
tst_test->min_kver);
}
}
int main(int argc, char *argv[])
{
int i = 1;
int ret = -1;
int v1, v2, v3;
enum op prev_op = ERR;
if (argc <= 1 || !strcmp(argv[1], "-h")) {
help(argv[0]);
return 0;
}
while (i < argc) {
const char *strop = argv[i++];
const char *strkver;
int res;
enum op op = strtop(strop);
switch (op) {
case EQ:
case NE:
case GE:
case GT:
case LE:
case LT:
if (ret != -1 && prev_op == ERR) {
fprintf(stderr, "Expected -a or -o\n");
return 2;
}
if (i >= argc) {
fprintf(stderr,
"Expected kernel version after '%s'\n",
strop);
return 2;
}
strkver = argv[i++];
if (tst_parse_kver(strkver, &v1, &v2, &v3)) {
fprintf(stderr,
"Invalid kernel version '%s'\n",
strkver);
return 2;
}
break;
case AND:
case OR:
if (ret == -1) {
fprintf(stderr,
"The %s must follow expression\n",
strop);
return 2;
}
prev_op = op;
continue;
break;
case ERR:
fprintf(stderr, "Invalid operation %s\n", argv[i]);
return 2;
}
res = tst_kvercmp(v1, v2, v3);
switch (op) {
case EQ:
res = (res == 0);
break;
case NE:
res = (res != 0);
break;
case GE:
res = (res >= 0);
break;
case GT:
res = (res > 0);
break;
case LE:
res = (res <= 0);
break;
case LT:
res = (res < 0);
break;
default:
break;
}
switch (prev_op) {
case ERR:
ret = res;
break;
case AND:
ret = ret && res;
prev_op = ERR;
break;
case OR:
ret = ret || res;
prev_op = ERR;
break;
default:
break;
}
}
if (prev_op != ERR) {
fprintf(stderr, "Useless -a or -o at the end\n");
return 2;
}
return !ret;
}