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OptsVisitor: opts_type_int(): recognize intervals when LM_IN_PROGRESS 

When a well-formed range value, bounded by signed integers, is encountered
while processing a repeated option, enter LM_SIGNED_INTERVAL and return
the low bound.

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Laszlo Ersek 2013-08-20 00:35:35 +02:00 committed by Luiz Capitulino
parent d8754f40ac
commit 1e1c555a49
1 changed files with 28 additions and 6 deletions
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34
qapi/opts-visitor.c
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@ -367,15 +367,37 @@ opts_type_int(Visitor *v, int64_t *obj, const char *name, Error **errp)
}
str = opt->str ? opt->str : "";
/* we've gotten past lookup_scalar() */
assert(ov->list_mode == LM_NONE || ov->list_mode == LM_IN_PROGRESS);
errno = 0;
val = strtoll(str, &endptr, 0);
if (*str != '\0' && *endptr == '\0' && errno == 0 && INT64_MIN <= val &&
val <= INT64_MAX) {
*obj = val;
processed(ov, name);
return;
if (errno == 0 && endptr > str && INT64_MIN <= val && val <= INT64_MAX) {
if (*endptr == '\0') {
*obj = val;
processed(ov, name);
return;
}
if (*endptr == '-' && ov->list_mode == LM_IN_PROGRESS) {
long long val2;
str = endptr + 1;
val2 = strtoll(str, &endptr, 0);
if (errno == 0 && endptr > str && *endptr == '\0' &&
INT64_MIN <= val2 && val2 <= INT64_MAX && val <= val2) {
ov->range_next.s = val;
ov->range_limit.s = val2;
ov->list_mode = LM_SIGNED_INTERVAL;
/* as if entering on the top */
*obj = ov->range_next.s;
return;
}
}
}
error_set(errp, QERR_INVALID_PARAMETER_VALUE, opt->name, "an int64 value");
error_set(errp, QERR_INVALID_PARAMETER_VALUE, opt->name,
(ov->list_mode == LM_NONE) ? "an int64 value" :
"an int64 value or range");
}