From 012d4c96e260f99d5ca95cd033274af4fb73b825 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Tue, 7 Jul 2020 18:05:45 +0200 Subject: qapi: Make visitor functions taking Error ** return bool, not void See recent commit "error: Document Error API usage rules" for rationale. Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake Reviewed-by: Vladimir Sementsov-Ogievskiy Message-Id: <20200707160613.848843-18-armbru@redhat.com> --- qapi/opts-visitor.c | 66 ++++++++++------- qapi/qapi-clone-visitor.c | 45 +++++++----- qapi/qapi-dealloc-visitor.c | 27 ++++--- qapi/qapi-visit-core.c | 165 ++++++++++++++++++++++-------------------- qapi/qobject-input-visitor.c | 109 +++++++++++++++++----------- qapi/qobject-output-visitor.c | 27 ++++--- qapi/string-input-visitor.c | 62 +++++++++------- qapi/string-output-visitor.c | 32 +++++--- 8 files changed, 309 insertions(+), 224 deletions(-) (limited to 'qapi') diff --git a/qapi/opts-visitor.c b/qapi/opts-visitor.c index 5fe0276..7781c23 100644 --- a/qapi/opts-visitor.c +++ b/qapi/opts-visitor.c @@ -133,7 +133,7 @@ opts_visitor_insert(GHashTable *unprocessed_opts, const QemuOpt *opt) } -static void +static bool opts_start_struct(Visitor *v, const char *name, void **obj, size_t size, Error **errp) { @@ -144,7 +144,7 @@ opts_start_struct(Visitor *v, const char *name, void **obj, *obj = g_malloc0(size); } if (ov->depth++ > 0) { - return; + return true; } ov->unprocessed_opts = g_hash_table_new_full(&g_str_hash, &g_str_equal, @@ -163,10 +163,11 @@ opts_start_struct(Visitor *v, const char *name, void **obj, ov->fake_id_opt->str = g_strdup(ov->opts_root->id); opts_visitor_insert(ov->unprocessed_opts, ov->fake_id_opt); } + return true; } -static void +static bool opts_check_struct(Visitor *v, Error **errp) { OptsVisitor *ov = to_ov(v); @@ -174,7 +175,7 @@ opts_check_struct(Visitor *v, Error **errp) GQueue *any; if (ov->depth > 1) { - return; + return true; } /* we should have processed all (distinct) QemuOpt instances */ @@ -184,7 +185,9 @@ opts_check_struct(Visitor *v, Error **errp) first = g_queue_peek_head(any); error_setg(errp, QERR_INVALID_PARAMETER, first->name); + return false; } + return true; } @@ -221,7 +224,7 @@ lookup_distinct(const OptsVisitor *ov, const char *name, Error **errp) } -static void +static bool opts_start_list(Visitor *v, const char *name, GenericList **list, size_t size, Error **errp) { @@ -232,12 +235,13 @@ opts_start_list(Visitor *v, const char *name, GenericList **list, size_t size, /* we don't support visits without a list */ assert(list); ov->repeated_opts = lookup_distinct(ov, name, errp); - if (ov->repeated_opts) { - ov->list_mode = LM_IN_PROGRESS; - *list = g_malloc0(size); - } else { + if (!ov->repeated_opts) { *list = NULL; + return false; } + ov->list_mode = LM_IN_PROGRESS; + *list = g_malloc0(size); + return true; } @@ -285,13 +289,14 @@ opts_next_list(Visitor *v, GenericList *tail, size_t size) } -static void +static bool opts_check_list(Visitor *v, Error **errp) { /* * Unvisited list elements will be reported later when checking * whether unvisited struct members remain. */ + return true; } @@ -341,7 +346,7 @@ processed(OptsVisitor *ov, const char *name) } -static void +static bool opts_type_str(Visitor *v, const char *name, char **obj, Error **errp) { OptsVisitor *ov = to_ov(v); @@ -350,7 +355,7 @@ opts_type_str(Visitor *v, const char *name, char **obj, Error **errp) opt = lookup_scalar(ov, name, errp); if (!opt) { *obj = NULL; - return; + return false; } *obj = g_strdup(opt->str ? opt->str : ""); /* Note that we consume a string even if this is called as part of @@ -359,11 +364,12 @@ opts_type_str(Visitor *v, const char *name, char **obj, Error **errp) * consumed only matters to visit_end_struct() as the final error * check if there were no other failures during the visit. */ processed(ov, name); + return true; } /* mimics qemu-option.c::parse_option_bool() */ -static void +static bool opts_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) { OptsVisitor *ov = to_ov(v); @@ -371,7 +377,7 @@ opts_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) opt = lookup_scalar(ov, name, errp); if (!opt) { - return; + return false; } if (opt->str) { @@ -386,17 +392,18 @@ opts_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) } else { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, opt->name, "on|yes|y|off|no|n"); - return; + return false; } } else { *obj = true; } processed(ov, name); + return true; } -static void +static bool opts_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) { OptsVisitor *ov = to_ov(v); @@ -407,12 +414,12 @@ opts_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) if (ov->list_mode == LM_SIGNED_INTERVAL) { *obj = ov->range_next.s; - return; + return true; } opt = lookup_scalar(ov, name, errp); if (!opt) { - return; + return false; } str = opt->str ? opt->str : ""; @@ -425,7 +432,7 @@ opts_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) if (*endptr == '\0') { *obj = val; processed(ov, name); - return; + return true; } if (*endptr == '-' && ov->list_mode == LM_IN_PROGRESS) { long long val2; @@ -442,17 +449,18 @@ opts_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) /* as if entering on the top */ *obj = ov->range_next.s; - return; + return true; } } } error_setg(errp, QERR_INVALID_PARAMETER_VALUE, opt->name, (ov->list_mode == LM_NONE) ? "an int64 value" : "an int64 value or range"); + return false; } -static void +static bool opts_type_uint64(Visitor *v, const char *name, uint64_t *obj, Error **errp) { OptsVisitor *ov = to_ov(v); @@ -463,12 +471,12 @@ opts_type_uint64(Visitor *v, const char *name, uint64_t *obj, Error **errp) if (ov->list_mode == LM_UNSIGNED_INTERVAL) { *obj = ov->range_next.u; - return; + return true; } opt = lookup_scalar(ov, name, errp); if (!opt) { - return; + return false; } str = opt->str; @@ -479,7 +487,7 @@ opts_type_uint64(Visitor *v, const char *name, uint64_t *obj, Error **errp) if (*endptr == '\0') { *obj = val; processed(ov, name); - return; + return true; } if (*endptr == '-' && ov->list_mode == LM_IN_PROGRESS) { unsigned long long val2; @@ -494,17 +502,18 @@ opts_type_uint64(Visitor *v, const char *name, uint64_t *obj, Error **errp) /* as if entering on the top */ *obj = ov->range_next.u; - return; + return true; } } } error_setg(errp, QERR_INVALID_PARAMETER_VALUE, opt->name, (ov->list_mode == LM_NONE) ? "a uint64 value" : "a uint64 value or range"); + return false; } -static void +static bool opts_type_size(Visitor *v, const char *name, uint64_t *obj, Error **errp) { OptsVisitor *ov = to_ov(v); @@ -513,17 +522,18 @@ opts_type_size(Visitor *v, const char *name, uint64_t *obj, Error **errp) opt = lookup_scalar(ov, name, errp); if (!opt) { - return; + return false; } err = qemu_strtosz(opt->str ? opt->str : "", NULL, obj); if (err < 0) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, opt->name, "a size value"); - return; + return false; } processed(ov, name); + return true; } diff --git a/qapi/qapi-clone-visitor.c b/qapi/qapi-clone-visitor.c index daab681..c45c5ca 100644 --- a/qapi/qapi-clone-visitor.c +++ b/qapi/qapi-clone-visitor.c @@ -24,7 +24,7 @@ static QapiCloneVisitor *to_qcv(Visitor *v) return container_of(v, QapiCloneVisitor, visitor); } -static void qapi_clone_start_struct(Visitor *v, const char *name, void **obj, +static bool qapi_clone_start_struct(Visitor *v, const char *name, void **obj, size_t size, Error **errp) { QapiCloneVisitor *qcv = to_qcv(v); @@ -34,11 +34,12 @@ static void qapi_clone_start_struct(Visitor *v, const char *name, void **obj, /* Only possible when visiting an alternate's object * branch. Nothing further to do here, since the earlier * visit_start_alternate() already copied memory. */ - return; + return true; } *obj = g_memdup(*obj, size); qcv->depth++; + return true; } static void qapi_clone_end(Visitor *v, void **obj) @@ -51,11 +52,11 @@ static void qapi_clone_end(Visitor *v, void **obj) } } -static void qapi_clone_start_list(Visitor *v, const char *name, +static bool qapi_clone_start_list(Visitor *v, const char *name, GenericList **listp, size_t size, Error **errp) { - qapi_clone_start_struct(v, name, (void **)listp, size, errp); + return qapi_clone_start_struct(v, name, (void **)listp, size, errp); } static GenericList *qapi_clone_next_list(Visitor *v, GenericList *tail, @@ -69,42 +70,45 @@ static GenericList *qapi_clone_next_list(Visitor *v, GenericList *tail, return tail->next; } -static void qapi_clone_start_alternate(Visitor *v, const char *name, +static bool qapi_clone_start_alternate(Visitor *v, const char *name, GenericAlternate **obj, size_t size, Error **errp) { - qapi_clone_start_struct(v, name, (void **)obj, size, errp); + return qapi_clone_start_struct(v, name, (void **)obj, size, errp); } -static void qapi_clone_type_int64(Visitor *v, const char *name, int64_t *obj, - Error **errp) +static bool qapi_clone_type_int64(Visitor *v, const char *name, int64_t *obj, + Error **errp) { QapiCloneVisitor *qcv = to_qcv(v); assert(qcv->depth); /* Value was already cloned by g_memdup() */ + return true; } -static void qapi_clone_type_uint64(Visitor *v, const char *name, - uint64_t *obj, Error **errp) +static bool qapi_clone_type_uint64(Visitor *v, const char *name, + uint64_t *obj, Error **errp) { QapiCloneVisitor *qcv = to_qcv(v); assert(qcv->depth); /* Value was already cloned by g_memdup() */ + return true; } -static void qapi_clone_type_bool(Visitor *v, const char *name, bool *obj, - Error **errp) +static bool qapi_clone_type_bool(Visitor *v, const char *name, bool *obj, + Error **errp) { QapiCloneVisitor *qcv = to_qcv(v); assert(qcv->depth); /* Value was already cloned by g_memdup() */ + return true; } -static void qapi_clone_type_str(Visitor *v, const char *name, char **obj, - Error **errp) +static bool qapi_clone_type_str(Visitor *v, const char *name, char **obj, + Error **errp) { QapiCloneVisitor *qcv = to_qcv(v); @@ -117,24 +121,27 @@ static void qapi_clone_type_str(Visitor *v, const char *name, char **obj, * string is intended. */ *obj = g_strdup(*obj ?: ""); + return true; } -static void qapi_clone_type_number(Visitor *v, const char *name, double *obj, - Error **errp) +static bool qapi_clone_type_number(Visitor *v, const char *name, double *obj, + Error **errp) { QapiCloneVisitor *qcv = to_qcv(v); assert(qcv->depth); /* Value was already cloned by g_memdup() */ + return true; } -static void qapi_clone_type_null(Visitor *v, const char *name, QNull **obj, +static bool qapi_clone_type_null(Visitor *v, const char *name, QNull **obj, Error **errp) { QapiCloneVisitor *qcv = to_qcv(v); assert(qcv->depth); *obj = qnull(); + return true; } static void qapi_clone_free(Visitor *v) @@ -167,7 +174,7 @@ static Visitor *qapi_clone_visitor_new(void) return &v->visitor; } -void *qapi_clone(const void *src, void (*visit_type)(Visitor *, const char *, +void *qapi_clone(const void *src, bool (*visit_type)(Visitor *, const char *, void **, Error **)) { Visitor *v; @@ -184,7 +191,7 @@ void *qapi_clone(const void *src, void (*visit_type)(Visitor *, const char *, } void qapi_clone_members(void *dst, const void *src, size_t sz, - void (*visit_type_members)(Visitor *, void *, + bool (*visit_type_members)(Visitor *, void *, Error **)) { Visitor *v; diff --git a/qapi/qapi-dealloc-visitor.c b/qapi/qapi-dealloc-visitor.c index 2239fc6..ef283f2 100644 --- a/qapi/qapi-dealloc-visitor.c +++ b/qapi/qapi-dealloc-visitor.c @@ -22,9 +22,10 @@ struct QapiDeallocVisitor Visitor visitor; }; -static void qapi_dealloc_start_struct(Visitor *v, const char *name, void **obj, +static bool qapi_dealloc_start_struct(Visitor *v, const char *name, void **obj, size_t unused, Error **errp) { + return true; } static void qapi_dealloc_end_struct(Visitor *v, void **obj) @@ -41,10 +42,11 @@ static void qapi_dealloc_end_alternate(Visitor *v, void **obj) } } -static void qapi_dealloc_start_list(Visitor *v, const char *name, +static bool qapi_dealloc_start_list(Visitor *v, const char *name, GenericList **list, size_t size, Error **errp) { + return true; } static GenericList *qapi_dealloc_next_list(Visitor *v, GenericList *tail, @@ -59,48 +61,55 @@ static void qapi_dealloc_end_list(Visitor *v, void **obj) { } -static void qapi_dealloc_type_str(Visitor *v, const char *name, char **obj, +static bool qapi_dealloc_type_str(Visitor *v, const char *name, char **obj, Error **errp) { if (obj) { g_free(*obj); } + return true; } -static void qapi_dealloc_type_int64(Visitor *v, const char *name, int64_t *obj, +static bool qapi_dealloc_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) { + return true; } -static void qapi_dealloc_type_uint64(Visitor *v, const char *name, +static bool qapi_dealloc_type_uint64(Visitor *v, const char *name, uint64_t *obj, Error **errp) { + return true; } -static void qapi_dealloc_type_bool(Visitor *v, const char *name, bool *obj, +static bool qapi_dealloc_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) { + return true; } -static void qapi_dealloc_type_number(Visitor *v, const char *name, double *obj, +static bool qapi_dealloc_type_number(Visitor *v, const char *name, double *obj, Error **errp) { + return true; } -static void qapi_dealloc_type_anything(Visitor *v, const char *name, +static bool qapi_dealloc_type_anything(Visitor *v, const char *name, QObject **obj, Error **errp) { if (obj) { qobject_unref(*obj); } + return true; } -static void qapi_dealloc_type_null(Visitor *v, const char *name, +static bool qapi_dealloc_type_null(Visitor *v, const char *name, QNull **obj, Error **errp) { if (obj) { qobject_unref(*obj); } + return true; } static void qapi_dealloc_free(Visitor *v) diff --git a/qapi/qapi-visit-core.c b/qapi/qapi-visit-core.c index 74aa9c0..5a9c47a 100644 --- a/qapi/qapi-visit-core.c +++ b/qapi/qapi-visit-core.c @@ -36,7 +36,7 @@ void visit_free(Visitor *v) } } -void visit_start_struct(Visitor *v, const char *name, void **obj, +bool visit_start_struct(Visitor *v, const char *name, void **obj, size_t size, Error **errp) { Error *err = NULL; @@ -51,14 +51,13 @@ void visit_start_struct(Visitor *v, const char *name, void **obj, assert(!err != !*obj); } error_propagate(errp, err); + return !err; } -void visit_check_struct(Visitor *v, Error **errp) +bool visit_check_struct(Visitor *v, Error **errp) { trace_visit_check_struct(v); - if (v->check_struct) { - v->check_struct(v, errp); - } + return v->check_struct ? v->check_struct(v, errp) : true; } void visit_end_struct(Visitor *v, void **obj) @@ -67,7 +66,7 @@ void visit_end_struct(Visitor *v, void **obj) v->end_struct(v, obj); } -void visit_start_list(Visitor *v, const char *name, GenericList **list, +bool visit_start_list(Visitor *v, const char *name, GenericList **list, size_t size, Error **errp) { Error *err = NULL; @@ -79,6 +78,7 @@ void visit_start_list(Visitor *v, const char *name, GenericList **list, assert(!(err && *list)); } error_propagate(errp, err); + return !err; } GenericList *visit_next_list(Visitor *v, GenericList *tail, size_t size) @@ -88,12 +88,10 @@ GenericList *visit_next_list(Visitor *v, GenericList *tail, size_t size) return v->next_list(v, tail, size); } -void visit_check_list(Visitor *v, Error **errp) +bool visit_check_list(Visitor *v, Error **errp) { trace_visit_check_list(v); - if (v->check_list) { - v->check_list(v, errp); - } + return v->check_list ? v->check_list(v, errp) : true; } void visit_end_list(Visitor *v, void **obj) @@ -102,7 +100,7 @@ void visit_end_list(Visitor *v, void **obj) v->end_list(v, obj); } -void visit_start_alternate(Visitor *v, const char *name, +bool visit_start_alternate(Visitor *v, const char *name, GenericAlternate **obj, size_t size, Error **errp) { @@ -118,6 +116,7 @@ void visit_start_alternate(Visitor *v, const char *name, assert(v->start_alternate && !err != !*obj); } error_propagate(errp, err); + return !err; } void visit_end_alternate(Visitor *v, void **obj) @@ -147,155 +146,168 @@ bool visit_is_dealloc(Visitor *v) return v->type == VISITOR_DEALLOC; } -void visit_type_int(Visitor *v, const char *name, int64_t *obj, Error **errp) +bool visit_type_int(Visitor *v, const char *name, int64_t *obj, Error **errp) { assert(obj); trace_visit_type_int(v, name, obj); - v->type_int64(v, name, obj, errp); + return v->type_int64(v, name, obj, errp); } -static void visit_type_uintN(Visitor *v, uint64_t *obj, const char *name, +static bool visit_type_uintN(Visitor *v, uint64_t *obj, const char *name, uint64_t max, const char *type, Error **errp) { - Error *err = NULL; uint64_t value = *obj; assert(v->type == VISITOR_INPUT || value <= max); - v->type_uint64(v, name, &value, &err); - if (err) { - error_propagate(errp, err); - } else if (value > max) { + if (!v->type_uint64(v, name, &value, errp)) { + return false; + } + if (value > max) { assert(v->type == VISITOR_INPUT); error_setg(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null", type); - } else { - *obj = value; + return false; } + *obj = value; + return true; } -void visit_type_uint8(Visitor *v, const char *name, uint8_t *obj, +bool visit_type_uint8(Visitor *v, const char *name, uint8_t *obj, Error **errp) { uint64_t value; + bool ok; trace_visit_type_uint8(v, name, obj); value = *obj; - visit_type_uintN(v, &value, name, UINT8_MAX, "uint8_t", errp); + ok = visit_type_uintN(v, &value, name, UINT8_MAX, "uint8_t", errp); *obj = value; + return ok; } -void visit_type_uint16(Visitor *v, const char *name, uint16_t *obj, +bool visit_type_uint16(Visitor *v, const char *name, uint16_t *obj, Error **errp) { uint64_t value; + bool ok; trace_visit_type_uint16(v, name, obj); value = *obj; - visit_type_uintN(v, &value, name, UINT16_MAX, "uint16_t", errp); + ok = visit_type_uintN(v, &value, name, UINT16_MAX, "uint16_t", errp); *obj = value; + return ok; } -void visit_type_uint32(Visitor *v, const char *name, uint32_t *obj, +bool visit_type_uint32(Visitor *v, const char *name, uint32_t *obj, Error **errp) { uint64_t value; + bool ok; trace_visit_type_uint32(v, name, obj); value = *obj; - visit_type_uintN(v, &value, name, UINT32_MAX, "uint32_t", errp); + ok = visit_type_uintN(v, &value, name, UINT32_MAX, "uint32_t", errp); *obj = value; + return ok; } -void visit_type_uint64(Visitor *v, const char *name, uint64_t *obj, +bool visit_type_uint64(Visitor *v, const char *name, uint64_t *obj, Error **errp) { assert(obj); trace_visit_type_uint64(v, name, obj); - v->type_uint64(v, name, obj, errp); + return v->type_uint64(v, name, obj, errp); } -static void visit_type_intN(Visitor *v, int64_t *obj, const char *name, +static bool visit_type_intN(Visitor *v, int64_t *obj, const char *name, int64_t min, int64_t max, const char *type, Error **errp) { - Error *err = NULL; int64_t value = *obj; assert(v->type == VISITOR_INPUT || (value >= min && value <= max)); - v->type_int64(v, name, &value, &err); - if (err) { - error_propagate(errp, err); - } else if (value < min || value > max) { + if (!v->type_int64(v, name, &value, errp)) { + return false; + } + if (value < min || value > max) { assert(v->type == VISITOR_INPUT); error_setg(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null", type); - } else { - *obj = value; + return false; } + *obj = value; + return true; } -void visit_type_int8(Visitor *v, const char *name, int8_t *obj, Error **errp) +bool visit_type_int8(Visitor *v, const char *name, int8_t *obj, Error **errp) { int64_t value; + bool ok; trace_visit_type_int8(v, name, obj); value = *obj; - visit_type_intN(v, &value, name, INT8_MIN, INT8_MAX, "int8_t", errp); + ok = visit_type_intN(v, &value, name, INT8_MIN, INT8_MAX, "int8_t", errp); *obj = value; + return ok; } -void visit_type_int16(Visitor *v, const char *name, int16_t *obj, +bool visit_type_int16(Visitor *v, const char *name, int16_t *obj, Error **errp) { int64_t value; + bool ok; trace_visit_type_int16(v, name, obj); value = *obj; - visit_type_intN(v, &value, name, INT16_MIN, INT16_MAX, "int16_t", errp); + ok = visit_type_intN(v, &value, name, INT16_MIN, INT16_MAX, "int16_t", + errp); *obj = value; + return ok; } -void visit_type_int32(Visitor *v, const char *name, int32_t *obj, +bool visit_type_int32(Visitor *v, const char *name, int32_t *obj, Error **errp) { int64_t value; + bool ok; trace_visit_type_int32(v, name, obj); value = *obj; - visit_type_intN(v, &value, name, INT32_MIN, INT32_MAX, "int32_t", errp); + ok = visit_type_intN(v, &value, name, INT32_MIN, INT32_MAX, "int32_t", + errp); *obj = value; + return ok; } -void visit_type_int64(Visitor *v, const char *name, int64_t *obj, +bool visit_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) { assert(obj); trace_visit_type_int64(v, name, obj); - v->type_int64(v, name, obj, errp); + return v->type_int64(v, name, obj, errp); } -void visit_type_size(Visitor *v, const char *name, uint64_t *obj, +bool visit_type_size(Visitor *v, const char *name, uint64_t *obj, Error **errp) { assert(obj); trace_visit_type_size(v, name, obj); if (v->type_size) { - v->type_size(v, name, obj, errp); - } else { - v->type_uint64(v, name, obj, errp); + return v->type_size(v, name, obj, errp); } + return v->type_uint64(v, name, obj, errp); } -void visit_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) +bool visit_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) { assert(obj); trace_visit_type_bool(v, name, obj); - v->type_bool(v, name, obj, errp); + return v->type_bool(v, name, obj, errp); } -void visit_type_str(Visitor *v, const char *name, char **obj, Error **errp) +bool visit_type_str(Visitor *v, const char *name, char **obj, Error **errp) { Error *err = NULL; @@ -310,89 +322,88 @@ void visit_type_str(Visitor *v, const char *name, char **obj, Error **errp) assert(!err != !*obj); } error_propagate(errp, err); + return !err; } -void visit_type_number(Visitor *v, const char *name, double *obj, +bool visit_type_number(Visitor *v, const char *name, double *obj, Error **errp) { assert(obj); trace_visit_type_number(v, name, obj); - v->type_number(v, name, obj, errp); + return v->type_number(v, name, obj, errp); } -void visit_type_any(Visitor *v, const char *name, QObject **obj, Error **errp) +bool visit_type_any(Visitor *v, const char *name, QObject **obj, Error **errp) { - Error *err = NULL; + bool ok; assert(obj); assert(v->type != VISITOR_OUTPUT || *obj); trace_visit_type_any(v, name, obj); - v->type_any(v, name, obj, &err); + ok = v->type_any(v, name, obj, errp); if (v->type == VISITOR_INPUT) { - assert(!err != !*obj); + assert(ok != !*obj); } - error_propagate(errp, err); + return ok; } -void visit_type_null(Visitor *v, const char *name, QNull **obj, +bool visit_type_null(Visitor *v, const char *name, QNull **obj, Error **errp) { trace_visit_type_null(v, name, obj); - v->type_null(v, name, obj, errp); + return v->type_null(v, name, obj, errp); } -static void output_type_enum(Visitor *v, const char *name, int *obj, +static bool output_type_enum(Visitor *v, const char *name, int *obj, const QEnumLookup *lookup, Error **errp) { int value = *obj; char *enum_str; enum_str = (char *)qapi_enum_lookup(lookup, value); - visit_type_str(v, name, &enum_str, errp); + return visit_type_str(v, name, &enum_str, errp); } -static void input_type_enum(Visitor *v, const char *name, int *obj, +static bool input_type_enum(Visitor *v, const char *name, int *obj, const QEnumLookup *lookup, Error **errp) { - Error *local_err = NULL; int64_t value; char *enum_str; - visit_type_str(v, name, &enum_str, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; + if (!visit_type_str(v, name, &enum_str, errp)) { + return false; } value = qapi_enum_parse(lookup, enum_str, -1, NULL); if (value < 0) { error_setg(errp, QERR_INVALID_PARAMETER, enum_str); g_free(enum_str); - return; + return false; } g_free(enum_str); *obj = value; + return true; } -void visit_type_enum(Visitor *v, const char *name, int *obj, +bool visit_type_enum(Visitor *v, const char *name, int *obj, const QEnumLookup *lookup, Error **errp) { assert(obj && lookup); trace_visit_type_enum(v, name, obj); switch (v->type) { case VISITOR_INPUT: - input_type_enum(v, name, obj, lookup, errp); - break; + return input_type_enum(v, name, obj, lookup, errp); case VISITOR_OUTPUT: - output_type_enum(v, name, obj, lookup, errp); - break; + return output_type_enum(v, name, obj, lookup, errp); case VISITOR_CLONE: /* nothing further to do, scalar value was already copied by * g_memdup() during visit_start_*() */ - break; + return true; case VISITOR_DEALLOC: /* nothing to deallocate for a scalar */ - break; + return true; + default: + abort(); } } diff --git a/qapi/qobject-input-visitor.c b/qapi/qobject-input-visitor.c index 5ce3ec2..f918a05 100644 --- a/qapi/qobject-input-visitor.c +++ b/qapi/qobject-input-visitor.c @@ -237,7 +237,7 @@ static const QListEntry *qobject_input_push(QObjectInputVisitor *qiv, } -static void qobject_input_check_struct(Visitor *v, Error **errp) +static bool qobject_input_check_struct(Visitor *v, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); StackObject *tos = QSLIST_FIRST(&qiv->stack); @@ -250,7 +250,9 @@ static void qobject_input_check_struct(Visitor *v, Error **errp) if (g_hash_table_iter_next(&iter, (void **)&key, NULL)) { error_setg(errp, "Parameter '%s' is unexpected", full_name(qiv, key)); + return false; } + return true; } static void qobject_input_stack_object_free(StackObject *tos) @@ -272,7 +274,7 @@ static void qobject_input_pop(Visitor *v, void **obj) qobject_input_stack_object_free(tos); } -static void qobject_input_start_struct(Visitor *v, const char *name, void **obj, +static bool qobject_input_start_struct(Visitor *v, const char *name, void **obj, size_t size, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); @@ -282,12 +284,12 @@ static void qobject_input_start_struct(Visitor *v, const char *name, void **obj, *obj = NULL; } if (!qobj) { - return; + return false; } if (qobject_type(qobj) != QTYPE_QDICT) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, full_name(qiv, name), "object"); - return; + return false; } qobject_input_push(qiv, name, qobj, obj); @@ -295,6 +297,7 @@ static void qobject_input_start_struct(Visitor *v, const char *name, void **obj, if (obj) { *obj = g_malloc0(size); } + return true; } static void qobject_input_end_struct(Visitor *v, void **obj) @@ -307,7 +310,7 @@ static void qobject_input_end_struct(Visitor *v, void **obj) } -static void qobject_input_start_list(Visitor *v, const char *name, +static bool qobject_input_start_list(Visitor *v, const char *name, GenericList **list, size_t size, Error **errp) { @@ -319,18 +322,19 @@ static void qobject_input_start_list(Visitor *v, const char *name, *list = NULL; } if (!qobj) { - return; + return false; } if (qobject_type(qobj) != QTYPE_QLIST) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, full_name(qiv, name), "array"); - return; + return false; } entry = qobject_input_push(qiv, name, qobj, list); if (entry && list) { *list = g_malloc0(size); } + return true; } static GenericList *qobject_input_next_list(Visitor *v, GenericList *tail, @@ -348,7 +352,7 @@ static GenericList *qobject_input_next_list(Visitor *v, GenericList *tail, return tail->next; } -static void qobject_input_check_list(Visitor *v, Error **errp) +static bool qobject_input_check_list(Visitor *v, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); StackObject *tos = QSLIST_FIRST(&qiv->stack); @@ -358,7 +362,9 @@ static void qobject_input_check_list(Visitor *v, Error **errp) if (tos->entry) { error_setg(errp, "Only %u list elements expected in %s", tos->index + 1, full_name_nth(qiv, NULL, 1)); + return false; } + return true; } static void qobject_input_end_list(Visitor *v, void **obj) @@ -370,7 +376,7 @@ static void qobject_input_end_list(Visitor *v, void **obj) qobject_input_pop(v, obj); } -static void qobject_input_start_alternate(Visitor *v, const char *name, +static bool qobject_input_start_alternate(Visitor *v, const char *name, GenericAlternate **obj, size_t size, Error **errp) { @@ -379,13 +385,14 @@ static void qobject_input_start_alternate(Visitor *v, const char *name, if (!qobj) { *obj = NULL; - return; + return false; } *obj = g_malloc0(size); (*obj)->type = qobject_type(qobj); + return true; } -static void qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj, +static bool qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); @@ -393,33 +400,37 @@ static void qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj, QNum *qnum; if (!qobj) { - return; + return false; } qnum = qobject_to(QNum, qobj); if (!qnum || !qnum_get_try_int(qnum, obj)) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, full_name(qiv, name), "integer"); + return false; } + return true; } -static void qobject_input_type_int64_keyval(Visitor *v, const char *name, +static bool qobject_input_type_int64_keyval(Visitor *v, const char *name, int64_t *obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); const char *str = qobject_input_get_keyval(qiv, name, errp); if (!str) { - return; + return false; } if (qemu_strtoi64(str, NULL, 0, obj) < 0) { /* TODO report -ERANGE more nicely */ error_setg(errp, QERR_INVALID_PARAMETER_VALUE, full_name(qiv, name), "integer"); + return false; } + return true; } -static void qobject_input_type_uint64(Visitor *v, const char *name, +static bool qobject_input_type_uint64(Visitor *v, const char *name, uint64_t *obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); @@ -428,7 +439,7 @@ static void qobject_input_type_uint64(Visitor *v, const char *name, int64_t val; if (!qobj) { - return; + return false; } qnum = qobject_to(QNum, qobj); if (!qnum) { @@ -436,38 +447,41 @@ static void qobject_input_type_uint64(Visitor *v, const char *name, } if (qnum_get_try_uint(qnum, obj)) { - return; + return true; } /* Need to accept negative values for backward compatibility */ if (qnum_get_try_int(qnum, &val)) { *obj = val; - return; + return true; } err: error_setg(errp, QERR_INVALID_PARAMETER_VALUE, full_name(qiv, name), "uint64"); + return false; } -static void qobject_input_type_uint64_keyval(Visitor *v, const char *name, +static bool qobject_input_type_uint64_keyval(Visitor *v, const char *name, uint64_t *obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); const char *str = qobject_input_get_keyval(qiv, name, errp); if (!str) { - return; + return false; } if (qemu_strtou64(str, NULL, 0, obj) < 0) { /* TODO report -ERANGE more nicely */ error_setg(errp, QERR_INVALID_PARAMETER_VALUE, full_name(qiv, name), "integer"); + return false; } + return true; } -static void qobject_input_type_bool(Visitor *v, const char *name, bool *obj, +static bool qobject_input_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); @@ -475,26 +489,27 @@ static void qobject_input_type_bool(Visitor *v, const char *name, bool *obj, QBool *qbool; if (!qobj) { - return; + return false; } qbool = qobject_to(QBool, qobj); if (!qbool) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, full_name(qiv, name), "boolean"); - return; + return false; } *obj = qbool_get_bool(qbool); + return true; } -static void qobject_input_type_bool_keyval(Visitor *v, const char *name, +static bool qobject_input_type_bool_keyval(Visitor *v, const char *name, bool *obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); const char *str = qobject_input_get_keyval(qiv, name, errp); if (!str) { - return; + return false; } if (!strcmp(str, "on")) { @@ -504,10 +519,12 @@ static void qobject_input_type_bool_keyval(Visitor *v, const char *name, } else { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, full_name(qiv, name), "'on' or 'off'"); + return false; } + return true; } -static void qobject_input_type_str(Visitor *v, const char *name, char **obj, +static bool qobject_input_type_str(Visitor *v, const char *name, char **obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); @@ -516,28 +533,30 @@ static void qobject_input_type_str(Visitor *v, const char *name, char **obj, *obj = NULL; if (!qobj) { - return; + return false; } qstr = qobject_to(QString, qobj); if (!qstr) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, full_name(qiv, name), "string"); - return; + return false; } *obj = g_strdup(qstring_get_str(qstr)); + return true; } -static void qobject_input_type_str_keyval(Visitor *v, const char *name, +static bool qobject_input_type_str_keyval(Visitor *v, const char *name, char **obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); const char *str = qobject_input_get_keyval(qiv, name, errp); *obj = g_strdup(str); + return !!str; } -static void qobject_input_type_number(Visitor *v, const char *name, double *obj, +static bool qobject_input_type_number(Visitor *v, const char *name, double *obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); @@ -545,19 +564,20 @@ static void qobject_input_type_number(Visitor *v, const char *name, double *obj, QNum *qnum; if (!qobj) { - return; + return false; } qnum = qobject_to(QNum, qobj); if (!qnum) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, full_name(qiv, name), "number"); - return; + return false; } *obj = qnum_get_double(qnum); + return true; } -static void qobject_input_type_number_keyval(Visitor *v, const char *name, +static bool qobject_input_type_number_keyval(Visitor *v, const char *name, double *obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); @@ -565,20 +585,21 @@ static void qobject_input_type_number_keyval(Visitor *v, const char *name, double val; if (!str) { - return; + return false; } if (qemu_strtod_finite(str, NULL, &val)) { /* TODO report -ERANGE more nicely */ error_setg(errp, QERR_INVALID_PARAMETER_TYPE, full_name(qiv, name), "number"); - return; + return false; } *obj = val; + return true; } -static void qobject_input_type_any(Visitor *v, const char *name, QObject **obj, +static bool qobject_input_type_any(Visitor *v, const char *name, QObject **obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); @@ -586,13 +607,14 @@ static void qobject_input_type_any(Visitor *v, const char *name, QObject **obj, *obj = NULL; if (!qobj) { - return; + return false; } *obj = qobject_ref(qobj); + return true; } -static void qobject_input_type_null(Visitor *v, const char *name, +static bool qobject_input_type_null(Visitor *v, const char *name, QNull **obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); @@ -600,32 +622,35 @@ static void qobject_input_type_null(Visitor *v, const char *name, *obj = NULL; if (!qobj) { - return; + return false; } if (qobject_type(qobj) != QTYPE_QNULL) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, full_name(qiv, name), "null"); - return; + return false; } *obj = qnull(); + return true; } -static void qobject_input_type_size_keyval(Visitor *v, const char *name, +static bool qobject_input_type_size_keyval(Visitor *v, const char *name, uint64_t *obj, Error **errp) { QObjectInputVisitor *qiv = to_qiv(v); const char *str = qobject_input_get_keyval(qiv, name, errp); if (!str) { - return; + return false; } if (qemu_strtosz(str, NULL, obj) < 0) { /* TODO report -ERANGE more nicely */ error_setg(errp, QERR_INVALID_PARAMETER_VALUE, full_name(qiv, name), "size"); + return false; } + return true; } static void qobject_input_optional(Visitor *v, const char *name, bool *present) diff --git a/qapi/qobject-output-visitor.c b/qapi/qobject-output-visitor.c index 26d7be5..ba6f6ac 100644 --- a/qapi/qobject-output-visitor.c +++ b/qapi/qobject-output-visitor.c @@ -103,7 +103,7 @@ static void qobject_output_add_obj(QObjectOutputVisitor *qov, const char *name, } } -static void qobject_output_start_struct(Visitor *v, const char *name, +static bool qobject_output_start_struct(Visitor *v, const char *name, void **obj, size_t unused, Error **errp) { QObjectOutputVisitor *qov = to_qov(v); @@ -111,6 +111,7 @@ static void qobject_output_start_struct(Visitor *v, const char *name, qobject_output_add(qov, name, dict); qobject_output_push(qov, dict, obj); + return true; } static void qobject_output_end_struct(Visitor *v, void **obj) @@ -120,7 +121,7 @@ static void qobject_output_end_struct(Visitor *v, void **obj) assert(qobject_type(value) == QTYPE_QDICT); } -static void qobject_output_start_list(Visitor *v, const char *name, +static bool qobject_output_start_list(Visitor *v, const char *name, GenericList **listp, size_t size, Error **errp) { @@ -129,6 +130,7 @@ static void qobject_output_start_list(Visitor *v, const char *name, qobject_output_add(qov, name, list); qobject_output_push(qov, list, listp); + return true; } static GenericList *qobject_output_next_list(Visitor *v, GenericList *tail, @@ -144,28 +146,31 @@ static void qobject_output_end_list(Visitor *v, void **obj) assert(qobject_type(value) == QTYPE_QLIST); } -static void qobject_output_type_int64(Visitor *v, const char *name, +static bool qobject_output_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) { QObjectOutputVisitor *qov = to_qov(v); qobject_output_add(qov, name, qnum_from_int(*obj)); + return true; } -static void qobject_output_type_uint64(Visitor *v, const char *name, +static bool qobject_output_type_uint64(Visitor *v, const char *name, uint64_t *obj, Error **errp) { QObjectOutputVisitor *qov = to_qov(v); qobject_output_add(qov, name, qnum_from_uint(*obj)); + return true; } -static void qobject_output_type_bool(Visitor *v, const char *name, bool *obj, +static bool qobject_output_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) { QObjectOutputVisitor *qov = to_qov(v); qobject_output_add(qov, name, qbool_from_bool(*obj)); + return true; } -static void qobject_output_type_str(Visitor *v, const char *name, char **obj, +static bool qobject_output_type_str(Visitor *v, const char *name, char **obj, Error **errp) { QObjectOutputVisitor *qov = to_qov(v); @@ -174,28 +179,32 @@ static void qobject_output_type_str(Visitor *v, const char *name, char **obj, } else { qobject_output_add(qov, name, qstring_from_str("")); } + return true; } -static void qobject_output_type_number(Visitor *v, const char *name, +static bool qobject_output_type_number(Visitor *v, const char *name, double *obj, Error **errp) { QObjectOutputVisitor *qov = to_qov(v); qobject_output_add(qov, name, qnum_from_double(*obj)); + return true; } -static void qobject_output_type_any(Visitor *v, const char *name, +static bool qobject_output_type_any(Visitor *v, const char *name, QObject **obj, Error **errp) { QObjectOutputVisitor *qov = to_qov(v); qobject_output_add_obj(qov, name, qobject_ref(*obj)); + return true; } -static void qobject_output_type_null(Visitor *v, const char *name, +static bool qobject_output_type_null(Visitor *v, const char *name, QNull **obj, Error **errp) { QObjectOutputVisitor *qov = to_qov(v); qobject_output_add(qov, name, qnull()); + return true; } /* Finish building, and return the root object. diff --git a/qapi/string-input-visitor.c b/qapi/string-input-visitor.c index 730fa46..d0ca10a 100644 --- a/qapi/string-input-visitor.c +++ b/qapi/string-input-visitor.c @@ -60,7 +60,7 @@ static StringInputVisitor *to_siv(Visitor *v) return container_of(v, StringInputVisitor, visitor); } -static void start_list(Visitor *v, const char *name, GenericList **list, +static bool start_list(Visitor *v, const char *name, GenericList **list, size_t size, Error **errp) { StringInputVisitor *siv = to_siv(v); @@ -80,6 +80,7 @@ static void start_list(Visitor *v, const char *name, GenericList **list, } siv->lm = LM_UNPARSED; } + return true; } static GenericList *next_list(Visitor *v, GenericList *tail, size_t size) @@ -102,7 +103,7 @@ static GenericList *next_list(Visitor *v, GenericList *tail, size_t size) return tail->next; } -static void check_list(Visitor *v, Error **errp) +static bool check_list(Visitor *v, Error **errp) { const StringInputVisitor *siv = to_siv(v); @@ -111,9 +112,9 @@ static void check_list(Visitor *v, Error **errp) case LM_UINT64_RANGE: case LM_UNPARSED: error_setg(errp, "Fewer list elements expected"); - return; + return false; case LM_END: - return; + return true; default: abort(); } @@ -178,7 +179,7 @@ static int try_parse_int64_list_entry(StringInputVisitor *siv, int64_t *obj) return 0; } -static void parse_type_int64(Visitor *v, const char *name, int64_t *obj, +static bool parse_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) { StringInputVisitor *siv = to_siv(v); @@ -188,17 +189,17 @@ static void parse_type_int64(Visitor *v, const char *name, int64_t *obj, case LM_NONE: /* just parse a simple int64, bail out if not completely consumed */ if (qemu_strtoi64(siv->string, NULL, 0, &val)) { - error_setg(errp, QERR_INVALID_PARAMETER_VALUE, - name ? name : "null", "int64"); - return; + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, + name ? name : "null", "int64"); + return false; } *obj = val; - return; + return true; case LM_UNPARSED: if (try_parse_int64_list_entry(siv, obj)) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null", "list of int64 values or ranges"); - return; + return false; } assert(siv->lm == LM_INT64_RANGE); /* fall through */ @@ -211,10 +212,10 @@ static void parse_type_int64(Visitor *v, const char *name, int64_t *obj, /* end of range, check if there is more to parse */ siv->lm = siv->unparsed_string[0] ? LM_UNPARSED : LM_END; } - return; + return true; case LM_END: error_setg(errp, "Fewer list elements expected"); - return; + return false; default: abort(); } @@ -268,7 +269,7 @@ static int try_parse_uint64_list_entry(StringInputVisitor *siv, uint64_t *obj) return 0; } -static void parse_type_uint64(Visitor *v, const char *name, uint64_t *obj, +static bool parse_type_uint64(Visitor *v, const char *name, uint64_t *obj, Error **errp) { StringInputVisitor *siv = to_siv(v); @@ -280,15 +281,15 @@ static void parse_type_uint64(Visitor *v, const char *name, uint64_t *obj, if (qemu_strtou64(siv->string, NULL, 0, &val)) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null", "uint64"); - return; + return false; } *obj = val; - return; + return true; case LM_UNPARSED: if (try_parse_uint64_list_entry(siv, obj)) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null", "list of uint64 values or ranges"); - return; + return false; } assert(siv->lm == LM_UINT64_RANGE); /* fall through */ @@ -301,16 +302,16 @@ static void parse_type_uint64(Visitor *v, const char *name, uint64_t *obj, /* end of range, check if there is more to parse */ siv->lm = siv->unparsed_string[0] ? LM_UNPARSED : LM_END; } - return; + return true; case LM_END: error_setg(errp, "Fewer list elements expected"); - return; + return false; default: abort(); } } -static void parse_type_size(Visitor *v, const char *name, uint64_t *obj, +static bool parse_type_size(Visitor *v, const char *name, uint64_t *obj, Error **errp) { StringInputVisitor *siv = to_siv(v); @@ -320,13 +321,14 @@ static void parse_type_size(Visitor *v, const char *name, uint64_t *obj, assert(siv->lm == LM_NONE); if (!parse_option_size(name, siv->string, &val, &err)) { error_propagate(errp, err); - return; + return false; } *obj = val; + return true; } -static void parse_type_bool(Visitor *v, const char *name, bool *obj, +static bool parse_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) { StringInputVisitor *siv = to_siv(v); @@ -336,29 +338,31 @@ static void parse_type_bool(Visitor *v, const char *name, bool *obj, !strcasecmp(siv->string, "yes") || !strcasecmp(siv->string, "true")) { *obj = true; - return; + return true; } if (!strcasecmp(siv->string, "off") || !strcasecmp(siv->string, "no") || !strcasecmp(siv->string, "false")) { *obj = false; - return; + return true; } error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null", "boolean"); + return false; } -static void parse_type_str(Visitor *v, const char *name, char **obj, +static bool parse_type_str(Visitor *v, const char *name, char **obj, Error **errp) { StringInputVisitor *siv = to_siv(v); assert(siv->lm == LM_NONE); *obj = g_strdup(siv->string); + return true; } -static void parse_type_number(Visitor *v, const char *name, double *obj, +static bool parse_type_number(Visitor *v, const char *name, double *obj, Error **errp) { StringInputVisitor *siv = to_siv(v); @@ -368,13 +372,14 @@ static void parse_type_number(Visitor *v, const char *name, double *obj, if (qemu_strtod_finite(siv->string, NULL, &val)) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null", "number"); - return; + return false; } *obj = val; + return true; } -static void parse_type_null(Visitor *v, const char *name, QNull **obj, +static bool parse_type_null(Visitor *v, const char *name, QNull **obj, Error **errp) { StringInputVisitor *siv = to_siv(v); @@ -385,10 +390,11 @@ static void parse_type_null(Visitor *v, const char *name, QNull **obj, if (siv->string[0]) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null", "null"); - return; + return false; } *obj = qnull(); + return true; } static void string_input_free(Visitor *v) diff --git a/qapi/string-output-visitor.c b/qapi/string-output-visitor.c index 0d93605..b74aa4d 100644 --- a/qapi/string-output-visitor.c +++ b/qapi/string-output-visitor.c @@ -123,7 +123,7 @@ static void format_string(StringOutputVisitor *sov, Range *r, bool next, } } -static void print_type_int64(Visitor *v, const char *name, int64_t *obj, +static bool print_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) { StringOutputVisitor *sov = to_sov(v); @@ -138,7 +138,7 @@ static void print_type_int64(Visitor *v, const char *name, int64_t *obj, sov->range_start.s = *obj; sov->range_end.s = *obj; sov->list_mode = LM_IN_PROGRESS; - return; + return true; case LM_IN_PROGRESS: if (sov->range_end.s + 1 == *obj) { @@ -155,7 +155,7 @@ static void print_type_int64(Visitor *v, const char *name, int64_t *obj, sov->range_start.s = *obj; sov->range_end.s = *obj; } - return; + return true; case LM_END: if (sov->range_end.s + 1 == *obj) { @@ -197,17 +197,19 @@ static void print_type_int64(Visitor *v, const char *name, int64_t *obj, } g_string_append(sov->string, ")"); } + + return true; } -static void print_type_uint64(Visitor *v, const char *name, uint64_t *obj, +static bool print_type_uint64(Visitor *v, const char *name, uint64_t *obj, Error **errp) { /* FIXME: print_type_int64 mishandles values over INT64_MAX */ int64_t i = *obj; - print_type_int64(v, name, &i, errp); + return print_type_int64(v, name, &i, errp); } -static void print_type_size(Visitor *v, const char *name, uint64_t *obj, +static bool print_type_size(Visitor *v, const char *name, uint64_t *obj, Error **errp) { StringOutputVisitor *sov = to_sov(v); @@ -217,7 +219,7 @@ static void print_type_size(Visitor *v, const char *name, uint64_t *obj, if (!sov->human) { out = g_strdup_printf("%"PRIu64, *obj); string_output_set(sov, out); - return; + return true; } val = *obj; @@ -226,16 +228,18 @@ static void print_type_size(Visitor *v, const char *name, uint64_t *obj, string_output_set(sov, out); g_free(psize); + return true; } -static void print_type_bool(Visitor *v, const char *name, bool *obj, +static bool print_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) { StringOutputVisitor *sov = to_sov(v); string_output_set(sov, g_strdup(*obj ? "true" : "false")); + return true; } -static void print_type_str(Visitor *v, const char *name, char **obj, +static bool print_type_str(Visitor *v, const char *name, char **obj, Error **errp) { StringOutputVisitor *sov = to_sov(v); @@ -247,16 +251,18 @@ static void print_type_str(Visitor *v, const char *name, char **obj, out = g_strdup(*obj ? *obj : ""); } string_output_set(sov, out); + return true; } -static void print_type_number(Visitor *v, const char *name, double *obj, +static bool print_type_number(Visitor *v, const char *name, double *obj, Error **errp) { StringOutputVisitor *sov = to_sov(v); string_output_set(sov, g_strdup_printf("%f", *obj)); + return true; } -static void print_type_null(Visitor *v, const char *name, QNull **obj, +static bool print_type_null(Visitor *v, const char *name, QNull **obj, Error **errp) { StringOutputVisitor *sov = to_sov(v); @@ -268,9 +274,10 @@ static void print_type_null(Visitor *v, const char *name, QNull **obj, out = g_strdup(""); } string_output_set(sov, out); + return true; } -static void +static bool start_list(Visitor *v, const char *name, GenericList **list, size_t size, Error **errp) { @@ -285,6 +292,7 @@ start_list(Visitor *v, const char *name, GenericList **list, size_t size, if (*list && (*list)->next) { sov->list_mode = LM_STARTED; } + return true; } static GenericList *next_list(Visitor *v, GenericList *tail, size_t size) -- cgit v1.1