postgis_libprotobuf.c

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#include "postgres.h"
#include "utils/builtins.h"
#include "../postgis_config.h"
#include "lwgeom_pg.h"

#ifdef HAVE_LIBPROTOBUF
#include <protobuf-c/protobuf-c.h>
#endif

PG_FUNCTION_INFO_V1(postgis_libprotobuf_version);
Datum postgis_libprotobuf_version(PG_FUNCTION_ARGS)
{
#ifndef HAVE_PROTOBUF_C_VERSION
        PG_RETURN_NULL();
#else /* HAVE_PROTOBUF_C_VERSION  */
        const char *ver = protobuf_c_version();
        text *result = cstring2text(ver);
        PG_RETURN_POINTER(result);
#endif
}