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

int main( int argc, char** argv ) {
	long long i, n = 1000000;
	char *p = (char*)malloc( 1000 );
	time_t start, finish;
	double elapsed;

        time( &start );
	for( i = 2; i < n; ++i ) {
//		printf( "\r %lld\t", i * 1000 );
		if( ! ( p = (char*)realloc( p, 1000 * i ) ) ) {
			printf( "\nFailed to realloc to %lld\n", i * 1000 );
			exit( 1 );
		}
	}
	time( &finish );
	elapsed = difftime( finish, start );

	printf( "\nfinal size: %lld; took %.3f seconds\n", n * 1000, elapsed );
	exit( 0 );
}

##</code><code>##

mehere@mehere-desktop:~$ gcc mem.c -o memtest
mehere@mehere-desktop:~$ ./memtest 

final size: 1000000000; took 0.000 seconds

##</code><code>##

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

int main( int argc, char** argv ) {
	__int64 i, n = 1000000;
	char *p = (char*)malloc( 1000 );
	time_t start, finish;
	double elapsed;

    time( &start );
	for( i = 2; i < n; ++i ) {
//		printf( "\r %I64d\t", i * 1000 );
		if( ! ( p = (char*)realloc( p, i * 1000 ) ) ) {
			printf( "\nFailed to realloc to %I64d\n", i * 1000 );
			exit( 1 );
		}
	}
	time( &finish );
	elapsed = difftime( finish, start );

	printf( "\nfinal size: %I64d; took %.3f seconds\n", n * 1000, elapsed );
	exit( 0 );
}