replace "int type" and magic number defines with an enum type

[GitMensch]

this is related to struct sql_var / its typedef SQLVARLIST and everything this is used for, for example OCESQLSetSQLParams, OCESQLSetResultParams,

static SQLVARLIST * new_sql_var_list(void);
static SQLVARLIST * add_sql_var_list(int, int, int, void *);
static SQLVARLIST * add_sql_res_var_list(int, int, int, void *);
static void clear_sql_var_list(const SQLVARLIST *);
static void show_sql_var_list(const SQLVARLIST *);

Background: an enum with defined values is much more easy to debug and follow than magic numbers, which seem to be defined in ocdb.h:

// 型情報
//#define OCDB_TYPE_FORMATTED_NUMBER 0        // 数字編集
#define OCDB_TYPE_UNSIGNED_NUMBER 1         // 符号無数字
//#define OCDB_TYPE_SIGNED_NUMBER_TS 2        // 符号付数字(trailing separate)
#define OCDB_TYPE_SIGNED_NUMBER_TC 3        // 符号付数字(trailing combined)
#define OCDB_TYPE_SIGNED_NUMBER_LS 4        // 符号付数字(leading separete)
//#define OCDB_TYPE_SIGNED_NUMBER_LC 5        // 符号付数字(leading combined)
//#define OCDB_TYPE_SIGNED_CALC 6             // 符号付計算
//#define OCDB_TYPE_UNSIGNED_CALC 7           // 符号無計算
#define OCDB_TYPE_UNSIGNED_NUMBER_PD 8        // 正のパック10進数
#define OCDB_TYPE_SIGNED_NUMBER_PD 9      // 符号付パック10進数
//#define OCDB_TYPE_COMP6 10                  // COMP-6
//#define OCDB_TYPE_SINGED_BINARY 11          // 符号付2進数
//#define OCDB_TYPE_UNSINGED_BINARY 12        // 符号無2進数
#define OCDB_TYPE_SINGED_BINARY_NATIVE 13   // 符号付2進数(native-order)
#define OCDB_TYPE_UNSINGED_BINARY_NATIVE 14 // 符号無2進数(native-order)
#define OCDB_TYPE_ALPHANUMERIC 16           // 英数字
//#define OCDB_TYPE_ALPHANUMERIC_J 17         // 英数字(桁寄せ)
//#define OCDB_TYPE_ALPHABETICAL 18           // 英字
//#define OCDB_TYPE_ALPHABETICAL_J 19         // 英字(桁寄せ)
//#define OCDB_TYPE_FORMATTED_ALPHANUMERIC 20 // 英数字編集
#define OCDB_TYPE_GROUP 22                  // 集団
//#define OCDB_TYPE_FLOATING_NUMBER 23        // Float or Double
#define OCDB_TYPE_JAPANESE 24               // 日本語
//#define OCDB_TYPE_JAPANESE_J 25             // 日本語(桁寄せ)
//#define OCDB_TYPE_FORMATTED_JAPANESE 26     // 日本語編集
//#define OCDB_TYPE_WIDE 27                   // wide
//#define OCDB_TYPE_WIDE_J 28                 // wide(桁寄せ)
//#define OCDB_TYPE_FORMATTED_WIDE 29         // wide
#define OCDB_TYPE_ALPHANUMERIC_VARYING 30     // VARYING(PIC X)
#define OCDB_TYPE_JAPANESE_VARYING 31         // VARYING(PIC N)
#define OCDB_TYPE_MIN 0                       // 型下限
#define OCDB_TYPE_MAX 32                      // 型上限

So instead use

// 型情報
enum sqlVarType {
//    OCDB_TYPE_FORMATTED_NUMBER = 0,        // 数字編集
    OCDB_TYPE_UNSIGNED_NUMBER = 1,         // 符号無数字
//    OCDB_TYPE_SIGNED_NUMBER_TS = 2,        // 符号付数字(trailing separate)
    OCDB_TYPE_SIGNED_NUMBER_TC = 3,        // 符号付数字(trailing combined)
    OCDB_TYPE_SIGNED_NUMBER_LS = 4,        // 符号付数字(leading separete)
//    OCDB_TYPE_SIGNED_NUMBER_LC = 5,        // 符号付数字(leading combined)
//    OCDB_TYPE_SIGNED_CALC = 6,             // 符号付計算
//    OCDB_TYPE_UNSIGNED_CALC = 7,           // 符号無計算
    OCDB_TYPE_UNSIGNED_NUMBER_PD = 8,        // 正のパック10進数
    OCDB_TYPE_SIGNED_NUMBER_PD = 9,      // 符号付パック10進数
//    OCDB_TYPE_COMP6 = 10,                  // COMP-6
//    OCDB_TYPE_SINGED_BINARY = 11,          // 符号付2進数
//    OCDB_TYPE_UNSINGED_BINARY = 12,        // 符号無2進数
    OCDB_TYPE_SINGED_BINARY_NATIVE = 13,   // 符号付2進数(native-order)
    OCDB_TYPE_UNSINGED_BINARY_NATIVE = 14, // 符号無2進数(native-order)
    OCDB_TYPE_ALPHANUMERIC = 16,           // 英数字
//    OCDB_TYPE_ALPHANUMERIC_J = 17,         // 英数字(桁寄せ)
//    OCDB_TYPE_ALPHABETICAL = 18,           // 英字
//    OCDB_TYPE_ALPHABETICAL_J = 19,         // 英字(桁寄せ)
//    OCDB_TYPE_FORMATTED_ALPHANUMERIC = 20, // 英数字編集
    OCDB_TYPE_GROUP = 22,                  // 集団
//    OCDB_TYPE_FLOATING_NUMBER = 23,        // Float or Double
    OCDB_TYPE_JAPANESE = 24,               // 日本語
//    OCDB_TYPE_JAPANESE_J = 25,             // 日本語(桁寄せ)
//    OCDB_TYPE_FORMATTED_JAPANESE = 26,     // 日本語編集
//    OCDB_TYPE_WIDE = 27,                   // wide
//    OCDB_TYPE_WIDE_J = 28,                 // wide(桁寄せ)
//    OCDB_TYPE_FORMATTED_WIDE = 29,         // wide
    OCDB_TYPE_ALPHANUMERIC_VARYING = 30,     // VARYING(PIC X)
    OCDB_TYPE_JAPANESE_VARYING = 31,         // VARYING(PIC N)
    OCDB_TYPE_MIN = 0,                       // 型下限
    OCDB_TYPE_MAX = 32                      // 型上限
};

and then instead of int type use enum sqlVarType type.