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macro to normalize str/len

This commit is contained in:
freemine 2020-10-29 15:23:04 +08:00
parent 11f24b7c21
commit bf927e7375
1 changed files with 32 additions and 57 deletions
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89
src/connector/odbc/src/todbc.c
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@ -129,6 +129,15 @@ do { \
r_091c = SQL_SUCCESS; \
} while (0)
#define NORM_STR_LENGTH(obj, ptr, len) \
do { \
if ((len) < 0 && (len)!=SQL_NTS) { \
SET_ERROR((obj), "HY090", TSDB_CODE_ODBC_BAD_ARG, ""); \
return SQL_ERROR; \
} \
if (len==SQL_NTS) len = (ptr) ? (SQLSMALLINT)strlen((const char*)(ptr)) : 0; \
} while (0)
#define PROFILING 0
#define PROFILE(statement) \
@ -277,22 +286,24 @@ static iconv_t sql_get_w2c(sql_t *sql) {
//
// static const char* tsdb_conn_conv_client_to_server(conn_t *conn, stack_buffer_t *buffer, const char *src, size_t len);
// static const char* tsdb_conn_conv_server_to_client(conn_t *conn, stack_buffer_t *buffer, const char *src, size_t len);
// static const char* tsdb_conn_conv_wchars_to_server(conn_t *conn, stack_buffer_t *buffer, const char *src, size_t len);
// static const char* tsdb_conn_conv_server_to_wchars(conn_t *conn, stack_buffer_t *buffer, const char *src, size_t len);
//
// static iconv_t sql_get_u2c(sql_t *sql) {
// if (sql->u2c == (iconv_t)-1) {
// sql->u2c = iconv_open("UTF-8", "UCS-4LE");
// }
//
// return sql->u2c;
// }
//
// static iconv_t sql_get_u2w(sql_t *sql) {
// if (sql->u2w == (iconv_t)-1) {
// sql->u2w = iconv_open("UCS-2LE", "UCS-4LE");
// }
//
// return sql->u2w;
// }
if (sql->u2c == (iconv_t)-1) {
sql->u2c = iconv_open("UTF-8", "UCS-4LE");
}
return sql->u2c;
}
static iconv_t sql_get_u2w(sql_t *sql) {
if (sql->u2w == (iconv_t)-1) {
sql->u2w = iconv_open("UCS-2LE", "UCS-4LE");
}
return sql->u2w;
}
static SQLRETURN doSQLAllocEnv(SQLHENV *EnvironmentHandle)
{
@ -431,21 +442,9 @@ static SQLRETURN doSQLConnect(SQLHDBC ConnectionHandle,
return SQL_ERROR;
}
if (NameLength1 < 0 && NameLength1!=SQL_NTS) {
SET_ERROR(conn, "HY090", TSDB_CODE_ODBC_BAD_ARG, "");
return SQL_ERROR;
}
if (NameLength2 < 0 && NameLength2!=SQL_NTS) {
SET_ERROR(conn, "HY090", TSDB_CODE_ODBC_BAD_ARG, "");
return SQL_ERROR;
}
if (NameLength3 < 0 && NameLength3!=SQL_NTS) {
SET_ERROR(conn, "HY090", TSDB_CODE_ODBC_BAD_ARG, "");
return SQL_ERROR;
}
if (NameLength1==SQL_NTS) NameLength1 = ServerName ? (SQLSMALLINT)strlen((const char*)ServerName) : 0;
if (NameLength2==SQL_NTS) NameLength2 = UserName ? (SQLSMALLINT)strlen((const char*)UserName) : 0;
if (NameLength3==SQL_NTS) NameLength3 = Authentication ? (SQLSMALLINT)strlen((const char*)Authentication) : 0;
NORM_STR_LENGTH(conn, ServerName, NameLength1);
NORM_STR_LENGTH(conn, UserName, NameLength2);
NORM_STR_LENGTH(conn, Authentication, NameLength3);
if (NameLength1>SQL_MAX_DSN_LENGTH) {
SET_ERROR(conn, "HY090", TSDB_CODE_ODBC_BAD_ARG, "");
@ -666,15 +665,7 @@ static SQLRETURN doSQLExecDirect(SQLHSTMT StatementHandle,
CHK_CONN(sql);
CHK_CONN_TAOS(sql);
if (!StatementText) {
SET_ERROR(sql, "HY009", TSDB_CODE_ODBC_BAD_ARG, "StatementText [%p] not allowed", StatementText);
return SQL_ERROR;
}
if (TextLength < 0 && TextLength!=SQL_NTS) {
SET_ERROR(sql, "HY090", TSDB_CODE_ODBC_BAD_ARG, "");
return SQL_ERROR;
}
if (TextLength==SQL_NTS) TextLength = StatementText ? (SQLSMALLINT)strlen((const char*)StatementText) : 0;
NORM_STR_LENGTH(sql, StatementText, TextLength);
if (sql->rs) {
taos_free_result(sql->rs);
@ -1159,15 +1150,7 @@ static SQLRETURN doSQLPrepare(SQLHSTMT StatementHandle,
CHK_CONN(sql);
CHK_CONN_TAOS(sql);
if (!StatementText) {
SET_ERROR(sql, "HY009", TSDB_CODE_ODBC_BAD_ARG, "StatementText [%p] not allowed", StatementText);
return SQL_ERROR;
}
if (TextLength < 0 && TextLength!=SQL_NTS) {
SET_ERROR(sql, "HY090", TSDB_CODE_ODBC_BAD_ARG, "");
return SQL_ERROR;
}
if (TextLength==SQL_NTS) TextLength = StatementText ? (SQLSMALLINT)strlen((const char*)StatementText) : 0;
NORM_STR_LENGTH(sql, StatementText, TextLength);
if (sql->rs) {
taos_free_result(sql->rs);
@ -2182,15 +2165,7 @@ static SQLRETURN doSQLDriverConnect(
return SQL_ERROR;
}
if (!szConnStrIn) {
SET_ERROR(conn, "HY009", TSDB_CODE_ODBC_BAD_ARG, "szConnStrIn [%p] not allowed", szConnStrIn);
return SQL_ERROR;
}
if (cbConnStrIn < 0 && cbConnStrIn!=SQL_NTS) {
SET_ERROR(conn, "HY090", TSDB_CODE_ODBC_BAD_ARG, "");
return SQL_ERROR;
}
if (cbConnStrIn==SQL_NTS) cbConnStrIn = szConnStrIn ? (SQLSMALLINT)strlen((const char*)szConnStrIn) : 0;
NORM_STR_LENGTH(conn, szConnStrIn, cbConnStrIn)
// DSN=<dsn>; UID=<uid>; PWD=<pwd>