source: issm/trunk-jpl/src/c/shared/Exceptions/exprintf.cpp@ 12438

/*!\file:  exprintf
 * \brief this is a modification of the sprintf function. 
 * Instead of returning an int, it will return the char* itself.
 * The advantage is to be able to do things like: 
 * ErrorException(exprintf("%s%i\n","test failed for id:",id));
 */ 


#include <stdarg.h>
#include <stdio.h>
#include "../Alloc/alloc.h"

char* exprintf(const char* format,...){

        /*returned string: */
        char* string=NULL;

        /*Assum nobody will print more that 1024 characters!*/
        string=(char*)xmalloc(1024*sizeof(char));//assume that nobody will print more than 1024 characters at once.
                                                                                                                                                                                                     
        //variable list of arguments
        va_list ap;

        //First use vsprintf to get the whole input string.
        va_start(ap,format);
        vsprintf(string,format,ap); //printf style coding 
        va_end(ap); 

        return string;
}