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4e27e819be
This adds visitor interfaces for fixed-width integers types. Implementing these in visitors is optional, otherwise we fall back to visit_type_int() (int64_t) with some additional bounds checking to avoid integer overflows for cases where the value fetched exceeds the bounds of our target C type. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> [LE: exclude negative values in uint*_t Visitor interfaces] Signed-off-by: Laszlo Ersek <lersek@redhat.com> [AF: Merged fix by Laszlo] Signed-off-by: Andreas Färber <afaerber@suse.de>
93 lines
4.2 KiB
C
93 lines
4.2 KiB
C
/*
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* Core Definitions for QAPI Visitor Classes
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*
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* Copyright IBM, Corp. 2011
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*
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*/
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#ifndef QAPI_VISITOR_CORE_H
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#define QAPI_VISITOR_CORE_H
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#include "qapi/qapi-types-core.h"
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#include <stdlib.h>
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typedef struct GenericList
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{
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void *value;
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struct GenericList *next;
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} GenericList;
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typedef struct Visitor Visitor;
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struct Visitor
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{
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/* Must be set */
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void (*start_struct)(Visitor *v, void **obj, const char *kind,
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const char *name, size_t size, Error **errp);
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void (*end_struct)(Visitor *v, Error **errp);
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void (*start_list)(Visitor *v, const char *name, Error **errp);
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GenericList *(*next_list)(Visitor *v, GenericList **list, Error **errp);
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void (*end_list)(Visitor *v, Error **errp);
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void (*type_enum)(Visitor *v, int *obj, const char *strings[],
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const char *kind, const char *name, Error **errp);
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void (*type_int)(Visitor *v, int64_t *obj, const char *name, Error **errp);
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void (*type_bool)(Visitor *v, bool *obj, const char *name, Error **errp);
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void (*type_str)(Visitor *v, char **obj, const char *name, Error **errp);
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void (*type_number)(Visitor *v, double *obj, const char *name,
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Error **errp);
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/* May be NULL */
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void (*start_optional)(Visitor *v, bool *present, const char *name,
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Error **errp);
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void (*end_optional)(Visitor *v, Error **errp);
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void (*start_handle)(Visitor *v, void **obj, const char *kind,
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const char *name, Error **errp);
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void (*end_handle)(Visitor *v, Error **errp);
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void (*type_uint8)(Visitor *v, uint8_t *obj, const char *name, Error **errp);
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void (*type_uint16)(Visitor *v, uint16_t *obj, const char *name, Error **errp);
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void (*type_uint32)(Visitor *v, uint32_t *obj, const char *name, Error **errp);
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void (*type_uint64)(Visitor *v, uint64_t *obj, const char *name, Error **errp);
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void (*type_int8)(Visitor *v, int8_t *obj, const char *name, Error **errp);
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void (*type_int16)(Visitor *v, int16_t *obj, const char *name, Error **errp);
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void (*type_int32)(Visitor *v, int32_t *obj, const char *name, Error **errp);
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void (*type_int64)(Visitor *v, int64_t *obj, const char *name, Error **errp);
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};
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void visit_start_handle(Visitor *v, void **obj, const char *kind,
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const char *name, Error **errp);
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void visit_end_handle(Visitor *v, Error **errp);
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void visit_start_struct(Visitor *v, void **obj, const char *kind,
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const char *name, size_t size, Error **errp);
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void visit_end_struct(Visitor *v, Error **errp);
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void visit_start_list(Visitor *v, const char *name, Error **errp);
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GenericList *visit_next_list(Visitor *v, GenericList **list, Error **errp);
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void visit_end_list(Visitor *v, Error **errp);
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void visit_start_optional(Visitor *v, bool *present, const char *name,
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Error **errp);
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void visit_end_optional(Visitor *v, Error **errp);
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void visit_type_enum(Visitor *v, int *obj, const char *strings[],
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const char *kind, const char *name, Error **errp);
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void visit_type_int(Visitor *v, int64_t *obj, const char *name, Error **errp);
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void visit_type_uint8(Visitor *v, uint8_t *obj, const char *name, Error **errp);
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void visit_type_uint16(Visitor *v, uint16_t *obj, const char *name, Error **errp);
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void visit_type_uint32(Visitor *v, uint32_t *obj, const char *name, Error **errp);
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void visit_type_uint64(Visitor *v, uint64_t *obj, const char *name, Error **errp);
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void visit_type_int8(Visitor *v, int8_t *obj, const char *name, Error **errp);
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void visit_type_int16(Visitor *v, int16_t *obj, const char *name, Error **errp);
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void visit_type_int32(Visitor *v, int32_t *obj, const char *name, Error **errp);
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void visit_type_int64(Visitor *v, int64_t *obj, const char *name, Error **errp);
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void visit_type_bool(Visitor *v, bool *obj, const char *name, Error **errp);
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void visit_type_str(Visitor *v, char **obj, const char *name, Error **errp);
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void visit_type_number(Visitor *v, double *obj, const char *name, Error **errp);
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#endif
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