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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2015-xxxx
license		=	bsd



%%	header

/**	@file	dk4fdrde.h	Error message for errors while reading.
*/

#include "dk4conf.h"
#include "dk4app.h"

#ifdef __cplusplus
extern "C" {
#endif

/**	Report error from read attempt on file descriptr.
	@param	app	Application structure.
	@param	fn	File name, may be NULL.
	@param	errc	Error code from errno.
*/
void
dk4fd_read_error_msg(dk4_app_t *app, const dkChar *fn, int errc);

#ifdef __cplusplus
}
#endif

%%	module

#include "dk4fdrde.h"
#include "dk4const.h"
#include "dk4mem.h"
#include "dk4maodd.h"

#if DK4_HAVE_ERRNO_H
#ifndef ERRNO_H_INCLUDED
#include <errno.h>
#define	ERRNO_H_INCLUDED 1
#endif
#endif

void
dk4fd_read_error_msg(dk4_app_t *app, const dkChar *fn, int errc)
{
  dkChar	 buf[64];
  const dkChar	*oldsourcefile	= NULL;
  size_t	 oldsourceline	= (dk4_um_t)0UL;
  int		 res;

  if (NULL != app) {
    oldsourcefile = dk4app_get_log_source_file(app);
    oldsourceline = dk4app_get_log_source_line(app);
    dk4app_set_log_source_file(app, fn);
    dk4app_set_log_source_line(app, (dk4_um_t)0UL);
    switch (errc){
#ifdef EAGAIN
      case EAGAIN : {
	dk4app_log_base2c(app, DK4_LL_ERROR, 118, 121);
      } break;
#endif
#if defined(EWOULDBLOCK) && (EWOULDBLOCK != EAGAIN)
      case EWOULDBLOCK : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 121);
      } break;
#endif
#ifdef EBADF
      case EBADF : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 122);
      } break;
#endif
#ifdef EBADMSG
      case EBADMSG : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 139);
      } break;
#endif
#ifdef EFAULT
      case EFAULT : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 123);
      } break;
#endif
#ifdef EINTR
      case EINTR : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 124);
      } break;
#endif
#ifdef EINVAL
      case EINVAL : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 125);
      } break;
#endif
#ifdef EIO
      case EIO : {
	dk4app_log_base2c(app, DK4_LL_ERROR, 118, 126);
      } break;
#endif
#ifdef EISDIR
      case EISDIR : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 127);
      } break;
#endif
#ifdef EOVERFLOW
      case EOVERFLOW : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 78);
      } break;
#endif
#ifdef ECONNRESET
      case ECONNRESET : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 140);
      } break;
#endif
#ifdef ENOTCON
      case ENOTCON : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 134);
      } break;
#endif
#ifdef ETIMEDOUT
      case ETIMEDOUT : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 141);
      } break;
#endif
#ifdef ENOBUFS
      case ENOBUFS : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 136);
      } break;
#endif
#ifdef ENOMEM
      case ENOMEM : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 142);
      } break;
#endif
#ifdef ENXIO
      case ENXIO : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 137);
      } break;
#endif
#ifdef ESPIPE
      case ESPIPE : {
        dk4app_log_base2c(app, DK4_LL_ERROR, 118, 143);
      } break;
#endif
      default : {
	res = dk4ma_write_decimal_signed(
	  buf, DK4_SIZEOF(buf,dkChar), (dk4_im_t)errc, 0, NULL
	);
	if (0 != res) {
	  dk4app_log_base3(app, DK4_LL_ERROR, 119, 120, buf);
	} else {
	  dk4app_log_base1(app, DK4_LL_ERROR, 118);
	}
      } break;
    }
    dk4app_set_log_source_file(app, oldsourcefile);
    dk4app_set_log_source_line(app, oldsourceline);
  }
}