diff options
| -rw-r--r-- | qapi/string-input-visitor.c | 195 | ||||
| -rw-r--r-- | tests/test-string-input-visitor.c | 36 |
2 files changed, 223 insertions, 8 deletions
diff --git a/qapi/string-input-visitor.c b/qapi/string-input-visitor.c index 5780944792..0b2490b3da 100644 --- a/qapi/string-input-visitor.c +++ b/qapi/string-input-visitor.c @@ -15,31 +15,205 @@ #include "qapi/visitor-impl.h" #include "qapi/qmp/qerror.h" #include "qemu/option.h" +#include "qemu/queue.h" +#include "qemu/range.h" + struct StringInputVisitor { Visitor visitor; + + bool head; + + GList *ranges; + GList *cur_range; + int64_t cur; + const char *string; }; +static void parse_str(StringInputVisitor *siv, Error **errp) +{ + char *str = (char *) siv->string; + long long start, end; + Range *cur; + char *endptr; + + if (siv->ranges) { + return; + } + + errno = 0; + do { + start = strtoll(str, &endptr, 0); + if (errno == 0 && endptr > str && INT64_MIN <= start && + start <= INT64_MAX) { + if (*endptr == '\0') { + cur = g_malloc0(sizeof(*cur)); + cur->begin = start; + cur->end = start + 1; + siv->ranges = g_list_insert_sorted_merged(siv->ranges, cur, + range_compare); + cur = NULL; + str = NULL; + } else if (*endptr == '-') { + str = endptr + 1; + end = strtoll(str, &endptr, 0); + if (errno == 0 && endptr > str && + INT64_MIN <= end && end <= INT64_MAX && start <= end && + (start > INT64_MAX - 65536 || + end < start + 65536)) { + if (*endptr == '\0') { + cur = g_malloc0(sizeof(*cur)); + cur->begin = start; + cur->end = end + 1; + siv->ranges = + g_list_insert_sorted_merged(siv->ranges, + cur, + range_compare); + cur = NULL; + str = NULL; + } else if (*endptr == ',') { + str = endptr + 1; + cur = g_malloc0(sizeof(*cur)); + cur->begin = start; + cur->end = end + 1; + siv->ranges = + g_list_insert_sorted_merged(siv->ranges, + cur, + range_compare); + cur = NULL; + } else { + goto error; + } + } else { + goto error; + } + } else if (*endptr == ',') { + str = endptr + 1; + cur = g_malloc0(sizeof(*cur)); + cur->begin = start; + cur->end = start + 1; + siv->ranges = g_list_insert_sorted_merged(siv->ranges, + cur, + range_compare); + cur = NULL; + } else { + goto error; + } + } else { + goto error; + } + } while (str); + + return; +error: + g_list_free_full(siv->ranges, g_free); + assert(siv->ranges == NULL); +} + +static void +start_list(Visitor *v, const char *name, Error **errp) +{ + StringInputVisitor *siv = DO_UPCAST(StringInputVisitor, visitor, v); + + parse_str(siv, errp); + + siv->cur_range = g_list_first(siv->ranges); + if (siv->cur_range) { + Range *r = siv->cur_range->data; + if (r) { + siv->cur = r->begin; + } + } +} + +static GenericList * +next_list(Visitor *v, GenericList **list, Error **errp) +{ + StringInputVisitor *siv = DO_UPCAST(StringInputVisitor, visitor, v); + GenericList **link; + Range *r; + + if (!siv->ranges || !siv->cur_range) { + return NULL; + } + + r = siv->cur_range->data; + if (!r) { + return NULL; + } + + if (siv->cur < r->begin || siv->cur >= r->end) { + siv->cur_range = g_list_next(siv->cur_range); + if (!siv->cur_range) { + return NULL; + } + r = siv->cur_range->data; + if (!r) { + return NULL; + } + siv->cur = r->begin; + } + + if (siv->head) { + link = list; + siv->head = false; + } else { + link = &(*list)->next; + } + + *link = g_malloc0(sizeof **link); + return *link; +} + +static void +end_list(Visitor *v, Error **errp) +{ + StringInputVisitor *siv = DO_UPCAST(StringInputVisitor, visitor, v); + siv->head = true; +} + static void parse_type_int(Visitor *v, int64_t *obj, const char *name, Error **errp) { StringInputVisitor *siv = DO_UPCAST(StringInputVisitor, visitor, v); - char *endp = (char *) siv->string; - long long val; - errno = 0; - if (siv->string) { - val = strtoll(siv->string, &endp, 0); - } - if (!siv->string || errno || endp == siv->string || *endp) { + if (!siv->string) { error_set(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null", "integer"); return; } - *obj = val; + parse_str(siv, errp); + + if (!siv->ranges) { + goto error; + } + + if (!siv->cur_range) { + Range *r; + + siv->cur_range = g_list_first(siv->ranges); + if (!siv->cur_range) { + goto error; + } + + r = siv->cur_range->data; + if (!r) { + goto error; + } + + siv->cur = r->begin; + } + + *obj = siv->cur; + siv->cur++; + return; + +error: + error_set(errp, QERR_INVALID_PARAMETER_VALUE, name, + "an int64 value or range"); } static void parse_type_size(Visitor *v, uint64_t *obj, const char *name, @@ -140,6 +314,7 @@ Visitor *string_input_get_visitor(StringInputVisitor *v) void string_input_visitor_cleanup(StringInputVisitor *v) { + g_list_free_full(v->ranges, g_free); g_free(v); } @@ -155,8 +330,12 @@ StringInputVisitor *string_input_visitor_new(const char *str) v->visitor.type_bool = parse_type_bool; v->visitor.type_str = parse_type_str; v->visitor.type_number = parse_type_number; + v->visitor.start_list = start_list; + v->visitor.next_list = next_list; + v->visitor.end_list = end_list; v->visitor.optional = parse_optional; v->string = str; + v->head = true; return v; } diff --git a/tests/test-string-input-visitor.c b/tests/test-string-input-visitor.c index 01a78f04ab..b01e2f2b79 100644 --- a/tests/test-string-input-visitor.c +++ b/tests/test-string-input-visitor.c @@ -64,6 +64,35 @@ static void test_visitor_in_int(TestInputVisitorData *data, g_assert_cmpint(res, ==, value); } +static void test_visitor_in_intList(TestInputVisitorData *data, + const void *unused) +{ + int64_t value[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 20}; + int16List *res = NULL, *tmp; + Error *errp = NULL; + Visitor *v; + int i = 0; + + v = visitor_input_test_init(data, "1,2,0,2-4,20,5-9,1-8"); + + visit_type_int16List(v, &res, NULL, &errp); + g_assert(errp == NULL); + tmp = res; + while (i < sizeof(value) / sizeof(value[0])) { + g_assert(tmp); + g_assert_cmpint(tmp->value, ==, value[i++]); + tmp = tmp->next; + } + g_assert(!tmp); + + tmp = res; + while (tmp) { + res = res->next; + g_free(tmp); + tmp = res; + } +} + static void test_visitor_in_bool(TestInputVisitorData *data, const void *unused) { @@ -170,6 +199,7 @@ static void test_visitor_in_fuzz(TestInputVisitorData *data, const void *unused) { int64_t ires; + intList *ilres; bool bres; double nres; char *sres; @@ -196,6 +226,10 @@ static void test_visitor_in_fuzz(TestInputVisitorData *data, visitor_input_teardown(data, NULL); v = visitor_input_test_init(data, buf); + visit_type_intList(v, &ilres, NULL, NULL); + visitor_input_teardown(data, NULL); + + v = visitor_input_test_init(data, buf); visit_type_bool(v, &bres, NULL, NULL); visitor_input_teardown(data, NULL); @@ -231,6 +265,8 @@ int main(int argc, char **argv) input_visitor_test_add("/string-visitor/input/int", &in_visitor_data, test_visitor_in_int); + input_visitor_test_add("/string-visitor/input/intList", + &in_visitor_data, test_visitor_in_intList); input_visitor_test_add("/string-visitor/input/bool", &in_visitor_data, test_visitor_in_bool); input_visitor_test_add("/string-visitor/input/number", |