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path: root/support/dktools/dk4userf.c
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/*
Copyright (C) 2016-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4userf.ctr
*/

/**	@file dk4userf.c The dk4userf module.
*/


#line 159 "dk4userf.ctr"

#include "dk4conf.h"
#include "dk4userf.h"

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

#if	DK4_HAVE_MATH_H
#ifndef	MATH_H_INCLUDED
#if	DK4_ON_WINDOWS
#ifndef	_USE_MATH_DEFINES
#define	_USE_MATH_DEFINES 1
#endif
#endif
#include <math.h>
#define	MATH_H_INCLUDED 1
#endif
#endif

#if DK4_HAVE_FLOAT_H
#ifndef FLOAT_H_INCLUDED
#include <float.h>
#define	FLOAT_H_INCLUDED 1
#endif
#endif

#include "dk4enc.h"
#include "dk4mem.h"
#include "dk4rec04.h"
#include "dk4rec06.h"
#include "dk4rec11.h"
#include "dk4rec17.h"

#if	DK4_HAVE_ASSERT_H
#ifndef	ASSERT_H_INCLUDED
#include <assert.h>
#define	ASSERT_H_INCLUDED 1
#endif
#endif



#line 204 "dk4userf.ctr"



int
dk4unserialize_file_uint16_t(uint16_t *dptr, FILE *fipo, dk4_er_t *erp)
{
  unsigned char	 uc[2];
  uint16_t	 ui16;
  int		 back	= 0;

#if	DK4_USE_ASSERT
  assert(NULL != dptr);
  assert(NULL != fipo);
#endif
  if ((NULL != dptr) && (NULL != fipo)) {
    if (2 == fread(uc, 1, 2, fipo)) {
      ui16 = (((uint16_t)(uc[0]) << 8) & 0xFF00U)
      	     | (((uint16_t)(uc[1])) & 0x00FFU);
      *dptr = ui16;
      back = 1;
    } else {
      dk4error_set_simple_error_code(erp, DK4_E_READ_FAILED);
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}



int
dk4unserialize_file_int16_t(int16_t *dptr, FILE *fipo, dk4_er_t *erp)
{
  uint16_t	ui;
  int		back = 0;

#if	DK4_USE_ASSERT
  assert(NULL != dptr);
  assert(NULL != fipo);
#endif
  if ((NULL != dptr) && (NULL != fipo)) {
    back = dk4unserialize_file_uint16_t(&ui, fipo, erp);
    if (0 != back) {
      *dptr = (int16_t)ui;
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}



int
dk4unserialize_file_uint32_t(uint32_t *dptr, FILE *fipo, dk4_er_t *erp)
{
  unsigned char	 uc[4];
  uint32_t	 ui32;
  int		 back	= 0;
  

#line 265 "dk4userf.ctr"
#if	DK4_USE_ASSERT
  assert(NULL != dptr);
  assert(NULL != fipo);
#endif
  if ((NULL != dptr) && (NULL != fipo)) {		

#line 270 "dk4userf.ctr"
    if (4 == fread(uc, 1, 4, fipo)) {			

#line 271 "dk4userf.ctr"
      ui32 =   ((((uint32_t)(uc[0])) << 24) & 0xFF000000UL)
      	     | ((((uint32_t)(uc[1])) << 16) & 0x00FF0000UL)
	     | ((((uint32_t)(uc[2])) <<  8) & 0x0000FF00UL)
	     | (( (uint32_t)(uc[3]))        & 0x000000FFUL);
      *dptr = ui32;
      back = 1;
    } else {						

#line 278 "dk4userf.ctr"
      dk4error_set_simple_error_code(erp, DK4_E_READ_FAILED);
    }
  } else {						

#line 281 "dk4userf.ctr"
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  

#line 284 "dk4userf.ctr"
  return back;
}



int
dk4unserialize_file_int32_t(int32_t *dptr, FILE *fipo, dk4_er_t *erp)
{
  uint32_t	 ui32;
  int		 back	= 0;
#if	DK4_USE_ASSERT
  assert(NULL != dptr);
  assert(NULL != fipo);
#endif
  if ((NULL != dptr) && (NULL != fipo)) {
    back = dk4unserialize_file_uint32_t(&ui32, fipo, erp);
    if (0 != back) {
      *dptr = (int32_t)ui32;
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}



int
dk4unserialize_file_utf8_string(char **dptr, FILE *fipo, dk4_er_t *erp)
{
  char		*np	= NULL;
  size_t	 ls	= 0;
  int		 back	= 0;
  uint16_t	 lgt	= 0;
#if	DK4_USE_ASSERT
  assert(NULL != dptr);
  assert(NULL != fipo);
#endif
  if ((NULL != dptr) && (NULL != fipo)) {
    if (0 != dk4unserialize_file_uint16_t(&lgt, fipo, erp)) {
      if (0 < lgt) {
        ls = (size_t)lgt;
	np = dk4mem_new(char,ls,erp);
	if (NULL != np) {
	  if (fread(np, 1, ls, fipo) == ls) {
	    if ('\0' == np[ls - 1]) {
	      back = 1;
	      *dptr = np;
	    } else {
	      dk4mem_free(np);
	      dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
	    }
	  } else {
	    dk4mem_free(np);
	    dk4error_set_simple_error_code(erp, DK4_E_READ_FAILED);
	  }
	}
      } else {
        dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
      }
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}



int
dk4unserialize_file_double(double *dptr, FILE *fipo, dk4_er_t *erp)
{
  char		*bptr	= NULL;
  char		*tg	= NULL;
  double	 dv	= 0.0;
  int		 back	= 0;
#if	DK4_USE_ASSERT
  assert(NULL != dptr);
  assert(NULL != fipo);
#endif
  if ((NULL != dptr) && (NULL != fipo)) {
    if (0 != dk4unserialize_file_utf8_string(&bptr, fipo, erp)) {
      if (NULL != bptr) {
        errno = 0;
        dv = strtod(bptr, &tg);
	if ((HUGE_VAL == dv) && (ERANGE == errno)) {
	  dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	} else {
	  if ((-HUGE_VAL == dv) && (ERANGE == errno)) {
	    dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	  } else {
	    if ((0.0 == dv) && (ERANGE == errno)) {
	      dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	    } else {
	      back = 1;
	      if (NULL != tg) {
	        while ('\0' != *tg) {
		  if (
		    (' ' != *tg) && ('\t' != *tg)
		    && ('\r' != *tg) && ('\n' != *tg)
		  )
		  {
		    back = 0;
		    dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
		  }
		  tg++;
		}
	      }
	    }
	  }
	}
        dk4mem_free(bptr);
	*dptr = dv;
      } else {
      }
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}


int
dk4unserialize_file_dk_string(dkChar **dptr, int de, FILE *fipo, dk4_er_t *erp)
{
  dkChar	*resb	= NULL;
  char		*putf8	= NULL;
  size_t	 szdk	= 0;
  int		 back	= 0;
#if	DK4_USE_ASSERT
  assert(NULL != dptr);
  assert(NULL != fipo);
#endif
  if ((NULL != dptr) && (NULL != fipo)) {
    if (0 != dk4unserialize_file_utf8_string(&putf8, fipo, erp)) {
      if (NULL != putf8) {
        switch (de) {
#if DK4_CHAR_SIZE > 1
#if DK4_CHAR_SIZE > 2
	  case DK4_ENCODING_32 : {
	    szdk = dk4recode_size_utf8_to_c32(putf8, erp);
	    if ((0 < szdk) && ((SIZE_MAX / sizeof(dk4_c32_t)) >= szdk)) {
	      resb = dk4mem_new(dk4_c32_t,szdk,erp);
	      if (NULL != resb) {
	        back = dk4recode_utf8_to_c32(resb, szdk, putf8, erp);
		if (0 != back) {
		  if (dkT('\0') == resb[szdk - 1]) {
		    *dptr = resb;
		  } else {
		    dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
		    dk4mem_free(resb);
		  }
		} else {
		  dk4mem_free(resb);
		}
	      }
	    } else {
	      dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	    }
	  } break;
#else
	  case DK4_ENCODING_UTF16 : {
	    szdk = dk4recode_size_utf8_to_utf16(putf8, erp);
	    if ((0 < szdk) && ((SIZE_MAX / sizeof(dk4_c16_t)) >= szdk)) {
	      resb = dk4mem_new(dk4_c16_t,szdk,erp);
	      if (NULL != resb) {
	        back = dk4recode_utf8_to_utf16(resb, szdk, putf8, erp);
		if (0 != back) {
		  if (dkT('\0') == resb[szdk - 1]) {
		    *dptr = resb;
		  } else {
		    dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
		    dk4mem_free(resb);
		  }
		} else {
		  dk4mem_free(resb);
		}
	      }
	    } else {
	      dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	    }
	  } break;
#endif
#else
	  case DK4_ENCODING_PLAIN : {
	    szdk = dk4recode_size_utf8_to_ascii(putf8, erp);
	    if (0 < szdk) {
	      resb = dk4mem_new(char,szdk,erp);
	      if (NULL != resb) {
	        back = dk4recode_utf8_to_ascii(resb, szdk, putf8, erp);
	        if (0 != back) {
		  if ('\0' == resb[szdk - 1]) {
	            *dptr = resb;
		  } else {
		    dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
		    dk4mem_free(resb);
		  }
	        } else {
	          dk4mem_free(resb);
	        }
	      }
	    }
	  } break;
	  case DK4_ENCODING_WIN1252 : {
	    szdk = dk4recode_size_utf8_to_ansi(putf8, erp);
	    if (0 < szdk) {
	      resb = dk4mem_new(char,szdk,erp);
	      if (NULL != resb) {
	        back = dk4recode_utf8_to_ansi(resb, szdk, putf8, erp);
	        if (0 != back) {
		  if ('\0' == resb[szdk - 1]) {
	            *dptr = resb;
		  } else {
		    dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
		    dk4mem_free(resb);
		  }
	        } else {
	          dk4mem_free(resb);
	        }
	      }
	    }
	  } break;
	  case DK4_ENCODING_UTF8 : {
	    *dptr = putf8;
	    putf8 = NULL;
	    back  = 1;
	  } break;
#endif
	  default : {
	    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
	  } break;
	}
      }
      if (NULL != putf8) {
        dk4mem_free(putf8);
      }
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}