error C2061: syntax error : identifier 'VAULT_ELEMENT

Here is my c code "vault.c"

#include "main.h"

HMODULE vaultcli_addr;
typedef HANDLE HVAULT;
#define VAULT_ENUMERATE_ALL_ITEMS 512

enum VAULT_SCHEMA_ELEMENT_ID {
    ElementId_Illegal = 0,
    ElementId_Resource = 1,
    ElementId_Identity = 2,
    ElementId_Authenticator = 3,
    ElementId_Tag = 4,
    ElementId_PackageSid = 5,
    ElementId_AppStart = 0x64,
    ElementId_AppEnd = 0x2710
};

enum VAULT_ELEMENT_TYPE {
    ElementType_Boolean = 0,
    ElementType_Short = 1,
    ElementType_UnsignedShort = 2,
    ElementType_Integer = 3,
    ElementType_UnsignedInteger = 4,
    ElementType_Double = 5,
    ElementType_Guid = 6,
    ElementType_String = 7,
    ElementType_ByteArray = 8,
    ElementType_TimeStamp = 9,
    ElementType_ProtectedArray = 0xA,
    ElementType_Attribute = 0xB,
    ElementType_Sid = 0xC,
    ElementType_Last = 0xD,
    ElementType_Undefined = 0xFFFFFFFF
};

typedef struct _VAULT_BYTE_BUFFER {
    DWORD Length;
    PBYTE Value;
} VAULT_BYTE_BUFFER, * PVAULT_BYTE_BUFFER;

typedef struct _VAULT_ITEM_DATA {
    DWORD SchemaElementId;
    DWORD unk0;
    VAULT_ELEMENT_TYPE Type; //Line 44
    DWORD unk1;
    union {
        BOOL Boolean;
        SHORT Short;
        WORD UnsignedShort;
        LONG Int;
        ULONG UnsignedInt;
        DOUBLE Double;
        GUID Guid;
        LPWSTR String;
        VAULT_BYTE_BUFFER ByteArray;
        VAULT_BYTE_BUFFER ProtectedArray;
        DWORD Attribute;
        DWORD Sid;
    } data;
} VAULT_ITEM_DATA, * PVAULT_ITEM_DATA;

msvc compiler gives the error:

1>vault.c(44): error C2061: syntax error : identifier 'VAULT_ELEMENT_TYPE'
1>vault.c(60): error C2059: syntax error : '}'
1>vault.c(65): error C2061: syntax error : identifier 'PVAULT_ITEM_DATA'
1>vault.c(66): error C2061: syntax error : identifier 'Identity'
1>vault.c(66): error C2059: syntax error : ';'
1>vault.c(67): error C2061: syntax error : identifier 'Authenticator'
1>vault.c(67): error C2059: syntax error : ';'

I am compiling as C code, i can't figure out the error.
code is taken from here: https://github.com/twelvesec/passcat/blob/master/passcat/libvaultie.cpp

Please help me point out the error. The error starts on line 44.

CodePudding user response：

struct and enum types have their own namespace, so you have to use struct TypeName and enum TypeName instead of just TypeName.

enum VAULT_ELEMENT_TYPE { ... };

enum VAULT_ELEMENT_TYPE vet;

Alternatively you could create a type using typedef.

typedef enum { ... } VAULT_ELEMENT_TYPE;

VAULT_ELEMENT_TYPE vet;

Nothing stops you from creating both.

enum VAULT_ELEMENT_TYPE { ... };
typedef enum VAULT_ELEMENT_TYPE VAULT_ELEMENT_TYPE;

enum VAULT_ELEMENT_TYPE vet;  // ok
VAULT_ELEMENT_TYPE vet;       // Also ok

You can even create both at once.

typedef enum VAULT_ELEMENT_TYPE { ... } VAULT_ELEMENT_TYPE;