From 581a8a800070500527f6c75e5d6b75134c2b5a9d Mon Sep 17 00:00:00 2001 From: Laszlo Ersek Date: Tue, 20 Aug 2013 00:35:37 +0200 Subject: OptsVisitor: opts_type_uint64(): recognize intervals when LM_IN_PROGRESS When a well-formed range value, bounded by unsigned integers, is encountered while processing a repeated option, enter LM_UNSIGNED_INTERVAL and return the low bound. Signed-off-by: Laszlo Ersek Tested-by: Wanlong Gao Signed-off-by: Luiz Capitulino --- qapi/opts-visitor.c | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-) (limited to 'qapi') diff --git a/qapi/opts-visitor.c b/qapi/opts-visitor.c index d8f9a0e96e..d54d373188 100644 --- a/qapi/opts-visitor.c +++ b/qapi/opts-visitor.c @@ -408,6 +408,7 @@ opts_type_uint64(Visitor *v, uint64_t *obj, const char *name, Error **errp) const QemuOpt *opt; const char *str; unsigned long long val; + char *endptr; if (ov->list_mode == LM_UNSIGNED_INTERVAL) { *obj = ov->range_next.u; @@ -420,13 +421,34 @@ opts_type_uint64(Visitor *v, uint64_t *obj, const char *name, Error **errp) } str = opt->str; - if (parse_uint_full(str, &val, 0) == 0 && val <= UINT64_MAX) { - *obj = val; - processed(ov, name); - return; + /* we've gotten past lookup_scalar() */ + assert(ov->list_mode == LM_NONE || ov->list_mode == LM_IN_PROGRESS); + + if (parse_uint(str, &val, &endptr, 0) == 0 && val <= UINT64_MAX) { + if (*endptr == '\0') { + *obj = val; + processed(ov, name); + return; + } + if (*endptr == '-' && ov->list_mode == LM_IN_PROGRESS) { + unsigned long long val2; + + str = endptr + 1; + if (parse_uint_full(str, &val2, 0) == 0 && + val2 <= UINT64_MAX && val <= val2) { + ov->range_next.u = val; + ov->range_limit.u = val2; + ov->list_mode = LM_UNSIGNED_INTERVAL; + + /* as if entering on the top */ + *obj = ov->range_next.u; + return; + } + } } error_set(errp, QERR_INVALID_PARAMETER_VALUE, opt->name, - "an uint64 value"); + (ov->list_mode == LM_NONE) ? "a uint64 value" : + "a uint64 value or range"); } -- cgit v1.2.1