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#ifndef _ECPG_LIB_EXTERN_H
#define _ECPG_LIB_EXTERN_H
#include "postgres_fe.h"
#include "libpq-fe.h"
#include "sqlca.h"
/* Here are some methods used by the lib. */
/* Stores the backend error message for client access */
void set_backend_err(const char *err, int lineon);
/* Store and retrieve the backend error message for client access */
void set_backend_err(const char *err, int lineon);
char *ECPGerrmsg(void);
/* Returns a pointer to a string containing a simple type name. */
void ECPGadd_mem(void *ptr, int lineno);
bool ECPGget_data(const PGresult *, int, int, int, enum ECPGttype type,
enum ECPGttype, char *, char *, long, long, long, bool);
struct connection *ECPGget_connection(const char *);
char *ECPGalloc(long, int);
char *ECPGrealloc(void *, long, int);
void ECPGfree(void *);
bool ECPGinit(const struct connection *, const char *, const int);
char *ECPGstrdup(const char *, int);
const char *ECPGtype_name(enum ECPGttype);
unsigned int ECPGDynamicType(Oid);
void ECPGfree_auto_mem(void);
void ECPGclear_auto_mem(void);
/* A generic varchar type. */
struct ECPGgeneric_varchar
{
int len;
char arr[1];
};
/*
* type information cache
*/
struct ECPGtype_information_cache
{
struct ECPGtype_information_cache *next;
int oid;
bool isarray;
};
/* structure to store one statement */
struct statement
{
int lineno;
char *command;
struct connection *connection;
struct variable *inlist;
struct variable *outlist;
};
/* structure to store connections */
struct connection
{
char *name;
PGconn *connection;
bool committed;
int autocommit;
struct ECPGtype_information_cache *cache_head;
struct connection *next;
};
/* structure to store descriptors */
struct descriptor
{
char *name;
PGresult *result;
struct descriptor *next;
};
struct variable
{
enum ECPGttype type;
void *value;
void *pointer;
long varcharsize;
long arrsize;
long offset;
enum ECPGttype ind_type;
void *ind_value;
void *ind_pointer;
long ind_varcharsize;
long ind_arrsize;
long ind_offset;
struct variable *next;
};
PGresult **
ECPGdescriptor_lvalue(int line, const char *descriptor);
bool ECPGstore_result(const PGresult *results, int act_field,
const struct statement * stmt, struct variable * var);
#endif /* _ECPG_LIB_EXTERN_H */
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