Nominatim/nominatim/postgresql.h
Sarah Hoffmann 4ac1bf2d47 clean up byte order detection
Check for existence of the expected functions and macros
and error out if nothing appropriate can be found.
2018-03-16 23:09:40 +01:00

41 lines
1.0 KiB
C

/*
*/
#ifndef POSTGRESQL_H
#define POSTGRESQL_H
#define PG_OID_INT8 20
#define PG_OID_INT4 23
#if HAVE_BYTESWAP
#include <byteswap.h>
#define PG_BSWAP32(x) bswap_32(x)
#define PG_BSWAP64(x) bswap_64(x)
#elif HAVE_SYS_ENDIAN
#include <sys/endian.h>
#define PG_BSWAP32(x) bswap32(x)
#define PG_BSWAP64(x) bswap64(x)
#else
#error "No appropriate byteswap found for your system."
#endif
#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
#define PGint32(x) (x)
#define PGint64(x) (x)
#elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#define PGint32(x) PG_BSWAP32(x)
#define PGint64(x) PG_BSWAP64(x)
#elif defined(_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
#define PGint32(x) (x)
#define PGint64(x) (x)
#elif defined(_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
#define PGint32(x) PG_BSWAP32(x)
#define PGint64(x) PG_BSWAP64(x)
#else
#error "Cannot determine byte order."
#endif
const char *build_conninfo(const char *db, const char *username, const char *password, const char *host, const char *port);
#endif