sysdep_win32_c.c

this file is contain important facts aboute different programming langueges.

/*
      Copyright (c) 1999,2000, Compaq Computer Corporation

      See the file "license.terms" for information on usage and redistribution
      of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/

/*

   FORTRAN callable routines that do some system dependent things.
   These routines were easier to write in C.

*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#if !defined(MIN)
#define MIN(x,y) (((x) <= (y)) ? (x) : (y))
#endif

#if defined(vms) || defined(__vms)
/*  VMS does not need name change (all externals are upper case'd) */
#define FORTRAN_CALL           
#elif defined(_WIN32)
/*  Win32 name decoration */
#define FORTRAN_CALL           __stdcall
#define get_term_display_size  GET_TERM_DISPLAY_SIZE
#define cformat_axis_label     CFORMAT_AXIS_LABEL
#define pm_tempnam             PM_TEMPNAM
#define lnblnk                 LNBLNK
#else
/*  Unix name decoration */
#define FORTRAN_CALL           
#define get_term_display_size  get_term_display_size_
#define cformat_axis_label     cformat_axis_label_
#define pm_tempnam             pm_tempnam_
#define lnblnk                 lnblnk_
#endif

/* FORTRAN callable routine to get terminal display size */
void FORTRAN_CALL get_term_display_size(int *rows, int *cols)
{
  /* Return dummy values */
  *rows = 24;
  *cols = 80;
  return;
}

/* Call out to C run time library to convert a float value to
   a string, according to a "C" format */

#if defined(_WIN32)
void FORTRAN_CALL cformat_axis_label(float *ticvalue, char *format,
                         int format_len, char *label, int label_len)
#else
void FORTRAN_CALL cformat_axis_label(float *ticvalue, char *format,
                         char *label, int format_len, int label_len)
#endif
{
   int FORTRAN_CALL lnblnk(char *, int);
   int ilen, nchar;
   char local_format[83], local_label[83];
#ifdef ultrix
   char *ptr;
#endif

   /* Convert format to NUL terminated string */
   ilen = lnblnk(format,format_len);
   if( ilen > 80 ) ilen=80;
   /* Prepend %- format indicator. "-" makes string left justified */
   local_format[0] = '%';
   local_format[1] = '-';
   memcpy(&local_format[2],format,ilen);
   local_format[ilen+2] = '\0';
   /* Scan format for some invalid characters for a float format */
   /* This is not an all inclusive list, just trying to avoid the worst */
   /* Include % and -, as we already put this in ourselves */
   if ( strpbrk(&local_format[2],"%-*doxXucslipn") != NULL ) {
      memset(label,'*',label_len);
      return;
   }
   /* Is there a valid format character in the string? */
   if ( strpbrk(local_format,"eEfgG") == NULL ) {
      memset(label,'*',label_len);
      return;
   }

#ifdef ultrix
   /* Default Ultrix behavior for sprintf is to return char * pointer! */
   /* We could use the -YPOSIX flag, but any application that linked with
      Postmini would have to know to use that flag also. */
   ptr = sprintf(local_label,local_format,*ticvalue);
   if( (int) ptr == EOF ) {
      fprintf(stderr,"cformat_axis_label: error occurred while formatting string\n");
      memset(label,'*',label_len);
      return;
    }
#else
   nchar = sprintf(local_label,local_format,*ticvalue);
   if( nchar == 0 || nchar > 80 ) {
      fprintf(stderr,"cformat_axis_label: error occurred while formatting string\n");
      memset(label,'*',label_len);
      return;
    }
#endif
   
   /* Convert local_label to blank padded string */
   memset(label,' ',label_len);
   ilen = MIN(strlen(local_label),label_len);
   memcpy(label,local_label,ilen);

}

#if defined(_WIN32)
void FORTRAN_CALL pm_tempnam(char *prefix, int ilen1, char *filename, int ilen2)
#else
void FORTRAN_CALL pm_tempnam(char *prefix, char *filename, int ilen1, int ilen2)
#endif
{
   /* NOTE: we roll own own temporary name function to give us a little
            more flexibility in naming the temp file, rather than
            use tmpnam() */


   char tmp_prefix[31], date[81], tmp_string[132], *ptr;
   int  length;
   int  FORTRAN_CALL lnblnk(char *, int);
   static count = 0;
   time_t timer;

   /* Find length without trailing blanks */
   length = lnblnk(prefix,ilen1);
   /* Maximum of 30 characters in prefix */
   length = MIN(length,30);
   memcpy(tmp_prefix,prefix,(size_t) length);
   /* Terminate string with NUL */
   tmp_prefix[length] = '\0';
   /* Make sure any prefix does not have a period in it */
   for(ptr=tmp_prefix; *ptr != '\0'; ptr++) {
      if( *ptr == '.' ) *ptr = '_';
   }


   /* Call time() and getpid() routines to generate temporary name */
   time(&timer);
   strncpy(date,ctime(&timer),80);
   for(ptr=date; *ptr != '\0'; ptr++) {
      if( *ptr == '\n' ) *ptr = '\0';
      if( *ptr == ' '  ) *ptr = '_';
      if( *ptr == ':'  ) *ptr = '_';
   }
   /* Temporary filename is formed by concatenation of 
      prefix, date, process id, and a decimal count */
#if defined(_WIN32)
   sprintf(tmp_string,"%s.%s_%u_%d",tmp_prefix,&date[4],getpid(),count);
#else
   sprintf(tmp_string,"%s.%s_%d_%d",tmp_prefix,&date[4],getpid(),count);
#endif
   count++;

   /* Is output string large enough? */
   length = strlen(tmp_string);
   if( length > ilen2 ) {
      /* Output string is too short, fill string with asterisks */
      memset(filename,'*',(size_t) ilen2);
   } else {
      /* Set string to all blanks */
      memset(filename,' ',(size_t) ilen2);
      length = MIN(length,ilen2);
      /* Copy result into output string */
      memcpy(filename,tmp_string,(size_t) length);
   }

}

/* 
 * strncasecmp.c --
 *
 *	Source code for the "strncasecmp" library routine.
 *
 * Copyright (c) 1988-1993 The Regents of the University of California.
 * Copyright (c) 1995-1996 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * SCCS: @(#) strncasecmp.c 1.7 96/10/24 15:23:36
 */

/*
 * This array is designed for mapping upper and lower case letter
 * together for a case independent comparison.  The mappings are
 * based upon ASCII character sequences.
 */

static unsigned char charmap[] = {
    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
    0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
    0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
    0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
    0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
    0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
    0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
    0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
    0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
    0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
    0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
    0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
    0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
    0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
    0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
    0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
    0xc0, 0xe1, 0xe2, 0xe3, 0xe4, 0xc5, 0xe6, 0xe7,
    0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
    0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
    0xf8, 0xf9, 0xfa, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
    0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
    0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
    0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
    0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
};

/*
 * Here are the prototypes just in case they are not included
 * in tclPort.h.
 */
int strncasecmp (const char *s1, const char *s2, size_t n);
int strcasecmp  (const char *s1, const char *s2);

/*
 *----------------------------------------------------------------------
 *
 * strcasecmp --
 *
 *	Compares two strings, ignoring case differences.
 *
 * Results:
 *	Compares two null-terminated strings s1 and s2, returning -1, 0,
 *	or 1 if s1 is lexicographically less than, equal to, or greater
 *	than s2.
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

int
strcasecmp(s1, s2)
    const char *s1;			/* First string. */
    const char *s2;			/* Second string. */
{
    unsigned char u1, u2;

    for ( ; ; s1++, s2++) {
	u1 = (unsigned char) *s1;
	u2 = (unsigned char) *s2;
	if ((u1 == '\0') || (charmap[u1] != charmap[u2])) {
	    break;
	}
    }
    return charmap[u1] - charmap[u2];
}

/*
 *----------------------------------------------------------------------
 *
 * strncasecmp --
 *
 *	Compares two strings, ignoring case differences.
 *
 * Results:
 *	Compares up to length chars of s1 and s2, returning -1, 0, or 1
 *	if s1 is lexicographically less than, equal to, or greater
 *	than s2 over those characters.
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

int
strncasecmp(s1, s2, length)
    const char *s1;		/* First string. */
    const char *s2;		/* Second string. */
    size_t length;		/* Maximum number of characters to compare
				 * (stop earlier if the end of either string
				 * is reached). */
{
    unsigned char u1, u2;

    for (; length != 0; length--, s1++, s2++) {
	u1 = (unsigned char) *s1;
	u2 = (unsigned char) *s2;
	if (charmap[u1] != charmap[u2]) {
	    return charmap[u1] - charmap[u2];
	}
	if (u1 == '\0') {
	    return 0;
	}
    }
    return 0;
}