/* 
 *  =====================================================================
 *  sscanf.c -- Demonstrate use of sscanf() and sprintf()
 *  =====================================================================
 *
 *  Copyright (C) 1993-96 by Mark Austin and David Mazzoni.
 *                                                                     
 *  This software is provided "as is" without express or implied warranty.
 *  Permission is granted to use this software on any computer system,
 *  and to redistribute it freely, subject to the following restrictions:
 * 
 *  1. The authors are not responsible for the consequences of use of
 *     this software, even if they arise from defects in the software.
 *  2. The origin of this software must not be misrepresented, either
 *     by explicit claim or by omission.
 *  3. Altered versions must be plainly marked as such, and must not
 *     be misrepresented as being the original software.
 *  4. This notice is to remain intact.
 * 
 *  Written By: David Mazzoni                                   June 1995
 *  =====================================================================
 */

#include "miscellaneous.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

enum { MaxBuf = 256 }; /* size of auto string buffer */

/* 
 *  =================================================
 *  Convert a float to a dynamically allocated string
 *  =================================================
 */ 

char * ftoa_( float fVal ) {
char caBuf[MaxBuf];  /* for conversion */
char* cpVal;         /* for final, dynamic value */

   sprintf( caBuf, "%f", fVal );
   cpVal = safeMalloc( strlen( caBuf )+1, __FILE__, __LINE__ );
   strcpy( cpVal, caBuf );
   return cpVal;
}

/* 
 *  =================================================
 *  Convert a string of chars into a float value
 *  =================================================
 */ 

float atof_( char* cpFloatString ) {
float fVal;

   sscanf( cpFloatString, "%f", &fVal );
   return fVal;
}

/* 
 *  =======================================
 *  Test program for sscanf() and sprintf()
 *  =======================================
 */ 

int main( void ) {
float fFloat   =  1.2345e3F;
char* cpString = "1.2345e3F";

   printf( "Convert string %s to float --> %6.2f\n", cpString, 
           atof_( cpString ) );
   printf( "Convert float %6.2f to string --> %s\n", fFloat, 
           ftoa_( fFloat ) );

   return 0;
}