campo-sirio/cb5/c4.c

/* c4.c  Conversion Routines  (c)Copyright Sequiter Software Inc., 1990-1994.  All rights reserved. */

#include "d4all.h"

#ifndef S4UNIX
#ifdef __TURBOC__
#pragma hdrstop
#endif  /* __TUROBC__ */
#endif  /* S4UNIX */

#ifdef S4VBASIC
int c4parm_check( void *ptr, int do_check, char *message )
{

  char err_msg[512] ;

  if (!ptr)
    do_check = - 1 ;

  else
  {
    switch (do_check)
    {
    case 0:
      if ( ((INDEX4 *)ptr)->code_base->debug_int != 0x5281)
        do_check = -1 ;
      break ;

    case 1:
      if ( ((CODE4 *)ptr)->debug_int != 0x5281)
        do_check = -1 ;
      break ;
    case 2:
      if ( ((DATA4 *)ptr)->debug_int != 0x5281)
        do_check = -1 ;
      break ;
    case 3:
      if ( ((FIELD4 *)ptr)->debug_int != 0x5281)
        do_check = -1 ;
      break ;
    }
  }

  if (do_check < 0 )
  {
    strcpy( err_msg, message ) ;
    strcat( err_msg, ":" ) ;
    strcat(err_msg,"\n" ) ;
    strcat( err_msg, E4_INFO_STR ) ;
    e4severe_vbasic( e4info, err_msg ) ;
    return -1 ;
  }
  else return 0 ;
}

#endif  /* S4VBASIC */

#ifdef S4NO_ATOF
double c4atof( char * buf )
{
  double dec_len = 1.0 ;
  int i ;
  char *ptr ;
  double doub ;

  ptr = strchr( buf, '.' ) ;
  if ( ptr )
  {
    *ptr++ = '\0' ;
    for ( i = strlen(ptr ) ; i > 0 ; i-- )
      dec_len = dec_len * 10  ;

    doub = (double)atol(buf) + ( (double)atol(ptr) / dec_len ) ;
    *(--ptr) = '.' ;
  }
  else
    doub = atol(buf) ;
  return doub ;
}
#endif

/* c4atod    Converts a string to a double */
double S4FUNCTION c4atod( char *str, int len_str )
{
  char buffer[50] ;
  int  len ;

  len = ( len_str >= 50 ) ? 49 : len_str ;
  memcpy( buffer, str, (size_t)len ) ;
  buffer[len] = '\0' ;
#ifdef S4NO_ATOF
  return c4atof( buffer ) ;
#else
  return atof( buffer ) ;
#endif
}

void S4FUNCTION c4atod2( char *str, int len_str, double *result )
{
  char buffer[50] ;
  int  len ;

  len = ( len_str >= 50 ) ? 49 : len_str ;
  memcpy( buffer, str, (size_t)len ) ;
  buffer[len] = '\0' ;
#ifdef S4NO_ATOF
  *result = c4atof( buffer ) ;
#else
  *result = atof( buffer ) ;
#endif
  return;
}

int S4FUNCTION c4atoi( char *str, int len_str )
{
  char buf[128] ;
  if ( len_str >= (int)sizeof( buf ) )
    len_str = (int)sizeof( buf ) - 1 ;
  memcpy( buf, str, (size_t)len_str ) ;
  buf[len_str] = '\0' ;
  return atoi( buf ) ;
}

long S4FUNCTION c4atol( char *str, int len_str )
{
  char buf[128] ;
  if ( len_str >= (int)sizeof( buf ) )
    len_str = (int)sizeof( buf ) - 1 ;
  memcpy( buf, str, (size_t)len_str) ;
  buf[len_str] = '\0' ;
  return atol( buf ) ;
}

#ifdef S4CLIPPER

/* S4CLIPPER */
char *S4FUNCTION c4descend_num( char *to, char *from, int len )
{
  for(; len-- > 0; )
    to[len] = -from[len] ;
  return to ;
}

/* S4CLIPPER */
char *S4FUNCTION c4descend_str( char *to, char *from, int len )
{
  for(; len-- > 0; )
    to[len] = -from[len] ;
  return to ;
}

/* S4CLIPPER */
char *S4FUNCTION c4descend_date( char *to, long l, int to_len )
{
  c4ltoa45( 5231808 - l, to, -to_len ) ;
  return to ;
}

/* S4CLIPPER */
int S4FUNCTION c4descend( FIELD4 *f4, char *to, int to_len )
{
  int len ;

  if( f4->type == 'D' )
  {
    c4descend_date( to, f4long(f4), to_len ) ;
    return to_len ;
  }

  len = f4len(f4) ;
  if( len > to_len )
    return -1 ;

  switch( f4->type )
  {
  case 'C':
    c4descend_str( to, f4ptr(f4), to_len ) ;
    break ;
  case 'N':
    c4descend_num( to, f4ptr(f4), len ) ;
    break ;
  default:
    break ;
  }
  return len ;
}

/* S4CLIPPER */
void S4FUNCTION c4dtoa_clipper( double val, char *result, int len, int decimals )
{
  int dig_len, is_neg, zeros_len, dec_pos, dec_len, result_len, i ;
  char *str, *ptr ;

  result_len = len ;

#ifdef S4NO_FCVT
  str = f4fcvt( val, decimals, &dig_len, &is_neg) ;
#else
  str = fcvt( val, decimals, &dig_len, &is_neg) ;
#endif

  zeros_len = result_len - dig_len - decimals - (decimals > 0 ) ;
  if ( zeros_len > 0 )
    memset( result, '0', zeros_len ) ;

  if ( decimals > 0 )
  {
    dec_pos = result_len - decimals - 1 ;
    result[dec_pos] = '.' ;
  }
  else
    dec_pos = result_len ;

  if ( zeros_len > 0 )
    ptr = result + zeros_len ;
  else
    ptr = result ;

  if ( dig_len >= 0 )
  {
    if ( (dec_pos - dig_len) < 0 )
    {
      memset( ptr, (int) '*', (size_t)result_len) ;
      return ;
    }
    memcpy( ptr, str, (size_t) dig_len ) ;
    if ( zeros_len >= 0 && decimals > 0 )
    {
      ptr += dig_len ;
      *ptr = '.' ;
      memcpy( ++ptr, str+dig_len, (size_t)decimals ) ;
    }
  }
  else
  {
    dec_len = decimals + dig_len ;
    if ( dec_len > 0 )
      memcpy( ptr - dig_len, str, dec_len ) ;
  }

  if ( is_neg )
  {
    for ( i=0; i< result_len; i++ )
      result[i] = (char) 0x5c - result[i] ;
  }
}

/* S4CLIPPER */
/* Numeric Key Database Output is Converted to Numeric Key Index File format */
int   S4FUNCTION c4clip( char *ptr, int len)
{
  int         i, negative ;
  char *p ;

  for ( i= negative= 0, p= ptr; i< len; i++, p++ )
  {
    if ( *p == ' ' )
    {
      *p = '0' ;
    }
    else
    {
      if ( *p == '-' )
      {
        *p = '0' ;
        negative = 1 ;
      }
      else
        break ;
    }
  }

  if ( negative )
  {
    for ( i= 0, p= ptr; i< len; i++, p++ )
      *p = (char) 0x5c - *p ;
  }

  return 0 ;
}
#endif  /* S4CLIPPER */

/* c4dtoa45
   - formats a double to a string
   - if there is an overflow, '*' are returned
   */
void  S4FUNCTION c4dtoa45( double doub_val, char *out_buffer, int len, int dec)
{
  int pre_len, post_len, sign_pos, dec_val, sign_val ;
  char *result ;

#ifdef S4DEBUG
  if ( len < 0 || len >128 || dec < 0 || dec >= len )
    e4severe( e4info, E4_C4DTOA45 ) ;
#endif  /* S4DEBUG */

  memset( out_buffer, (int) '0', (size_t) len) ;

  if (dec > 0)
  {
    post_len = dec ;
    if (post_len > 15)
      post_len = 15 ;
    if (post_len > len-1)
      post_len = len-1 ;
    pre_len = len -post_len -1 ;

    out_buffer[ pre_len] = '.' ;
  }
  else
  {
    pre_len = len ;
    post_len = 0 ;
  }

#ifdef S4NO_FCVT
  result = (char *)f4fcvt( doub_val, post_len, &dec_val, &sign_val) ;
#else
  result = (char *)fcvt( doub_val, post_len, &dec_val, &sign_val) ;
#endif

  if (dec_val > 0)
    sign_pos = pre_len-dec_val -1 ;
  else
  {
    sign_pos = pre_len - 2 ;
    if ( pre_len == 1 )
      sign_pos = 0 ;
  }

  if ( dec_val > pre_len ||  pre_len<0  ||  sign_pos< 0 && sign_val)
  {
    /* overflow */
    memset( out_buffer, (int) '*', (size_t) len) ;
    return ;
  }

  if (dec_val > 0)
  {
    memset( out_buffer, (int)' ', (size_t)(pre_len - dec_val) ) ;
    memmove( out_buffer + pre_len - dec_val, result, (size_t)dec_val) ;
    if ( ( out_buffer[pre_len-1] == '\0' ) && (pre_len > 0) )
      out_buffer[pre_len-1] = '0' ;
  }
  else
  {
    if ( pre_len> 0 )
      memset( out_buffer, (int) ' ', (size_t) (pre_len-1)) ;
  }
  if ( sign_val )
    out_buffer[sign_pos] = '-' ;


  out_buffer += pre_len+1 ;
  if (dec_val >= 0)
  {
    result+= dec_val ;
  }
  else
  {
    out_buffer    -= dec_val ;
    post_len += dec_val ;
  }

  if ( post_len > (int) strlen(result) )
    post_len = (int) strlen( result) ;

  /*  - out_buffer   points to where the digits go to
      - result       points to where the digits are to be copied from
      - post_len     is the number to be copied
      */

  if (post_len > 0)   memmove( out_buffer, result, (size_t) post_len) ;
}

/* c4encode

   - From CCYYMMDD to CCYY.MM.DD

   Ex.        c4encode( to, from, "CCYY.MM.DD", "CCYYMMDD" ) ;
   */

void  S4FUNCTION c4encode( char *to, char *from, char *t_to, char *t_from)
{
  int pos ;
  char chr ;
  char *chr_pos ;

  strcpy( to, t_to ) ;

  while ( (chr = *t_from++) != 0)
  {
    if ( ( chr_pos= strchr( t_to, chr ) ) == 0 )
    {
      from++;
      continue ;
    }

    pos = (int)( chr_pos - t_to ) ;
    to[pos++] = *from++ ;

    while (chr == *t_from)
    {
      if (chr == t_to[pos] )
        to[pos++] = *from ;
      t_from++ ;
      from++ ;
    }
  }
}

/*  c4ltoa45

    Converts a RECNUM to a string.  Fill with '0's rather than blanks if
    'num' is less than zero.
    */

void  S4FUNCTION c4ltoa45( long l_val, char *ptr, int num)
{
  int   n, num_pos ;
  long  i_long ;

  i_long = (l_val>0) ? l_val : -l_val ;
  num_pos = n = (num > 0) ? num : -num ;

  while (n-- > 0)
  {
    ptr[n] = (char) ('0'+ i_long%10) ;
    i_long = i_long/10 ;
  }

  if ( i_long > 0 )
  {
    memset( ptr, (int) '*', (size_t) num_pos ) ;
    return ;
  }

  num--;
  for (n=0; n<num; n++)
    if (ptr[n]=='0')
      ptr[n]= ' ';
    else
      break ;

  if (l_val < 0)
  {
    if ( ptr[0] != ' ' )
    {
      memset( ptr, (int) '*', (size_t) num_pos ) ;
      return ;
    }
    for (n=num; n>=0; n--)
      if (ptr[n]==' ')
      {
        ptr[n]= '-' ;
        break ;
      }
  }
}

void S4FUNCTION c4trim_n( char *str, int n_ch )
{
  int len ;

  if ( n_ch <= 0 )
    return ;

  /* Count the Length */
  len = 0 ;
  while ( len< n_ch )
  {
    len++ ;
    if ( *str++ == '\0' )
      break ;
  }

  if ( len < n_ch )
    n_ch = len ;

  *(--str) = '\0' ;

  while( --n_ch > 0 )
  {
    str-- ;
    if ( *str == '\0' ||  *str == ' ' )
      *str = '\0' ;
    else
      break ;
  }
}

#ifndef S4LANGUAGE

void S4FUNCTION c4lower( char *str )
{
#ifdef S4NO_STRLWR
  char *ptr ;

  ptr = str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'A' && *ptr <= 'Z' )
      *ptr |= 0x20 ;
    ptr++ ;
  }
#else
#ifdef S4ANSI
  AnsiLower( str ) ;
#else
  (void)strlwr( str ) ;
#endif
#endif
}

void S4FUNCTION c4upper( char *str )
{
#ifdef S4NO_STRUPR
  char *ptr ;

  ptr = str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'a'  &&  *ptr <= 'z' )
      *ptr &= 0xDF ;
    ptr++ ;
  }
#else
#ifdef S4ANSI
  AnsiUpper( str ) ;
#else
  (void)strupr( str ) ;
#endif
#endif
}

#else  /* ifdef S4LANGUAGE  */

#ifdef S4GERMAN
void  S4FUNCTION c4upper( char *str )
{
#ifdef S4ANSI
  AnsiUpper(str) ;
#else
  unsigned char *ptr ;

  ptr = (unsigned char *)str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'a'  &&  *ptr <= 'z' )
      *ptr &= 0xDF ;

    if ( *ptr >= 0x81 )
    {
      switch( *ptr )
      {
      case 0x84:
        *ptr = 0x8E ;
        break ;
      case 0x94:
        *ptr = 0x99 ;
        break ;
      case 0x81:
        *ptr = 0x9A ;
        break ;
      }
    }
    ptr++ ;
  }
#endif
}

void S4FUNCTION c4lower( char *str )
{
#ifdef S4ANSI
  AnsiLower(str) ;
#else
  unsigned char *ptr ;

  ptr = (unsigned char *)str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'A' && *ptr <= 'Z' )
      *ptr |= 0x20 ;
    if ( *ptr >= 0x81 )
    {
      switch( *ptr )
      {
      case 0x8E:
        *ptr = 0x84 ;
        break ;
      case 0x99:
        *ptr = 0x94 ;
        break ;
      case 0x9A:
        *ptr = 0x81 ;
        break ;
      }
    }
    ptr++ ;
  }
#endif
}
#endif /* S4GERMAN */

#ifdef S4FRENCH
void  S4FUNCTION c4upper( char *str )
{
#ifdef S4ANSI
  AnsiUpper(str) ;
#else
  unsigned char *ptr ;

  ptr = (unsigned char *)str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'a'  &&  *ptr <= 'z' )
      *ptr &= 0xDF ;

    /* Les accents sont laiss<73> afin d'<27>tre compatible avec toute p<>riph<70>rie */
    if ( *ptr >= E4C_CED )
    {
      switch( *ptr )
      {
      case E4A_TRE :
      case E4A_GRA :
      case E4A_CIR :
      case E4A_CI2 :
      case E4A_EGU :
        *ptr = 'A' ;        /* A */
        break ;
      case E4C_CED :
        *ptr = 'C' ;        /* C */
        break ;
      case E4E_EGU :
      case E4E_GRA :
      case E4E_CIR :
      case E4E_TRE :
        *ptr = 'E' ;        /* E */
        break ;
      case E4I_TRE :
      case E4I_EGU :
      case E4I_GRA :
      case E4I_CIR :
        *ptr = 'I' ;        /* I */
        break ;
      case E4U_CIR :
      case E4U_TRE :
      case E4U_GRA :
      case E4U_EGU :
        *ptr = 'O' ;        /* O */
        break ;
      case E4O_CIR :
      case E4O_GRA :
      case E4O_TRE :
      case E4O_EGU :
        *ptr = 'U' ;        /* U */
        break ;
      case E4Y_TRE :
        *ptr = 'Y' ;        /* Y */
        break ;
      }
    }
    ptr++ ;
  }
#endif
}

void S4FUNCTION c4lower( char *str )
{
#ifdef S4ANSI
  AnsiLower(str) ;
#else
  unsigned char *ptr ;

  ptr = (unsigned char *)str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'A' && *ptr <= 'Z' )
      *ptr |= 0x20 ;

    /* Les accents sont laiss<73> afin d'<27>tre compatible avec toute p<>riph<70>rie */
    if ( *ptr >= E4C_CED )
    {
      switch( *ptr )
      {
      case E4CM_CED:
        *ptr = 'c' ;       /* c */
        break ;
      case E4AM_TRE:
      case E4AM_CIR:
        *ptr = 'a' ;       /* a */
        break ;
      case E4EM_EGU:
        *ptr = 'e' ;       /* e */
        break ;
      case E4OM_TRE:
        *ptr = 'o' ;       /* o */
        break ;
      case E4UM_TRE:
        *ptr = 'u' ;       /* u */
        break ;
      }
    }
    ptr++ ;
  }
#endif
}
#endif   /*  S4FRENCH  */

#ifdef S4SWEDISH
void  S4FUNCTION c4upper( char *str )
{
#ifdef S4ANSI
  AnsiUpper(str) ;
#else
  unsigned char *ptr ;

  ptr = (unsigned char *)str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'a'  &&  *ptr <= 'z' )
      *ptr &= 0xDF ;

    if ( *ptr >= 0x81 )
    {
      switch( *ptr )
      {
      case 0x81:
        *ptr = 0x9A ;
        break ;
      case 0x82:
        *ptr = 0x90 ;
        break ;
      case 0x84:
        *ptr = 0x8E ;
        break ;
      case 0x86:
        *ptr = 0x8F ;
        break ;
      case 0x91:
        *ptr = 0x92 ;
        break ;
      case 0x94:
        *ptr = 0x99 ;
        break ;
      }
    }
    ptr++ ;
  }
#endif
}

void S4FUNCTION c4lower( char *str )
{
#ifdef S4ANSI
  AnsiLower(str) ;
#else
  unsigned char *ptr ;

  ptr = (unsigned char *)str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'A' && *ptr <= 'Z' )
      *ptr |= 0x20 ;
    if ( *ptr >= 0x81 )
    {
      switch( *ptr )
      {
      case 0x8E:
        *ptr = 0x84 ;
        break ;
      case 0x8F:
        *ptr = 0x86 ;
        break ;
      case 0x90:
        *ptr = 0x82 ;
        break ;
      case 0x92:
        *ptr = 0x91 ;
        break ;
      case 0x99:
        *ptr = 0x94 ;
        break ;
      case 0x9A:
        *ptr = 0x81 ;
        break ;
      }
    }
    ptr++ ;
  }
#endif
}
#endif /* S4SWEDISH */

#ifdef S4FINNISH
void  S4FUNCTION c4upper( char *str )
{
#ifdef S4ANSI
  AnsiUpper(str) ;
#else
  unsigned char *ptr ;

  ptr = (unsigned char *)str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'a'  &&  *ptr <= 'z' )
      *ptr &= 0xDF ;

    if ( *ptr >= 0x81 )
    {
      switch( *ptr )
      {
      case 0x81:
        *ptr = 0x9A ;
        break ;
      case 0x82:
        *ptr = 0x90 ;
        break ;
      case 0x84:
        *ptr = 0x8E ;
        break ;
      case 0x86:
        *ptr = 0x8F ;
        break ;
      case 0x91:
        *ptr = 0x92 ;
        break ;
      case 0x94:
        *ptr = 0x99 ;
        break ;
      }
    }
    ptr++ ;
  }
#endif
}

void S4FUNCTION c4lower( char *str )
{
#ifdef S4ANSI
  AnsiLower(str) ;
#else
  unsigned char *ptr ;

  ptr = (unsigned char *)str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'A' && *ptr <= 'Z' )
      *ptr |= 0x20 ;
    if ( *ptr >= 0x81 )
    {
      switch( *ptr )
      {
      case 0x8E:
        *ptr = 0x84 ;
        break ;
      case 0x8F:
        *ptr = 0x86 ;
        break ;
      case 0x90:
        *ptr = 0x82 ;
        break ;
      case 0x92:
        *ptr = 0x91 ;
        break ;
      case 0x99:
        *ptr = 0x94 ;
        break ;
      case 0x9A:
        *ptr = 0x81 ;
        break ;
      }
    }
    ptr++ ;
  }
#endif
}
#endif /* S4FINNISH */

#ifdef S4NORWEGIAN
void  S4FUNCTION c4upper( char *str )
{
#ifdef S4ANSI
  AnsiUpper(str) ;
#else
  unsigned char *ptr ;

  ptr = (unsigned char *)str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'a'  &&  *ptr <= 'z' )
      *ptr &= 0xDF ;

    if ( *ptr >= 0x81 )
    {
      switch( *ptr )
      {
      case 0x81:
        *ptr = 0x9A ;
        break ;
      case 0x82:
        *ptr = 0x90 ;
        break ;
      case 0x84:
        *ptr = 0x8E ;
        break ;
      case 0x86:
        *ptr = 0x8F ;
        break ;
      case 0x91:
        *ptr = 0x92 ;
        break ;
      case 0x94:
        *ptr = 0x99 ;
        break ;
      }
    }
    ptr++ ;
  }
#endif
}

void S4FUNCTION c4lower( char *str )
{
#ifdef S4ANSI
  AnsiLower(str) ;
#else
  unsigned char *ptr ;

  ptr = (unsigned char *)str ;

  while ( *ptr != '\0' )
  {
    if ( *ptr >= 'A' && *ptr <= 'Z' )
      *ptr |= 0x20 ;
    if ( *ptr >= 0x81 )
    {
      switch( *ptr )
      {
      case 0x8E:
        *ptr = 0x84 ;
        break ;
      case 0x8F:
        *ptr = 0x86 ;
        break ;
      case 0x90:
        *ptr = 0x82 ;
        break ;
      case 0x92:
        *ptr = 0x91 ;
        break ;
      case 0x99:
        *ptr = 0x94 ;
        break ;
      case 0x9A:
        *ptr = 0x81 ;
        break ;
      }
    }
    ptr++ ;
  }
#endif
}
#endif /* S4NORWEGIAN */

#endif   /*  S4LANGUAGE  */


#ifdef S4NO_MEMMOVE
void *memmove(void *dest, void *src, size_t count )
{
  if ( dest < src )
    if ( (char *)dest + count  <= (char *) src )
    {
      memcpy( dest, src, count ) ;
      return( src ) ;
    }
    else
    {
      /* Start at beginning of 'src' */
      int  i ;
      for ( i=0; i< count; i++ )
        ((char *) dest)[i] = ((char *)src)[i] ;
    }

  if ( src < dest )
    if ( (char *) src + count  <= (char *) dest )
    {
      memcpy( dest, src, count ) ;
      return( src ) ;
    }
    else
    {
      /* Start at end of 'src' */
      for(;count!=0;)
      {
        --count ;
        ((char *)dest)[count] = ((char *) src)[count] ;
      }
    }

  return( src ) ;
}
#endif  /* S4NO_MEMMOVE */

#ifdef S4MEMCMP
int c4memcmp(void * __s1, void * __s2, size_t __n)
{
  unsigned char *p1, *p2 ;
  int cnt ;

  p1 = (unsigned char *)__s1 ;
  p2 = (unsigned char *)__s2 ;

  for ( cnt = 0 ; cnt < __n ; cnt++ )
  {
    if ( p1[cnt] != p2[cnt] )
    {
      if ( p1[cnt] > p2[cnt] )
        return 1 ;
      return -1 ;
    }
  }
  return 0 ;
}
#endif   /* S4MEMCMP */

#ifdef S4NO_STRNICMP
int strnicmp(char *a, char *b, size_t n )
{
  unsigned char  a_char, b_char ;

  for ( ; *a != '\0'  &&  *b != '\0' && n != 0; a++, b++, n-- )
  {
    a_char = (unsigned char) *a  & 0xDF ;
    b_char = (unsigned char) *b  & 0xDF ;

    if ( a_char < b_char )  return -1 ;
    if ( a_char > b_char )  return  1 ;
  }
  return 0 ;
}
#endif  /* S4NO_STRNICMP */

#ifndef S4OPTIMIZE_OFF
/* used by optimization */
int S4FUNCTION c4calc_type( unsigned long l )
{
  int i ;

  for ( i = 0 ; l > 1 ; i++ )
    l >>= 1 ;
  return i ;
}

#endif