_expand.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 23 行

#include <stdio.h>
#include <malloc.h>

void main()
  {
    char *buf;
    char __far *buf2;

    buf = (char *) malloc( 80 );
    printf( "Size of buffer is %u\n", _msize(buf) );
    if( _expand( buf, 100 ) == NULL ) {
        printf( "Unable to expand buffer\n" );
    }
    printf( "New size of buffer is %u\n", _msize(buf) );
    buf2 = (char __far *) _fmalloc( 2000 );
    printf( "Size of far buffer is %u\n", _fmsize(buf2) );
    if( _fexpand( buf2, 8000 ) == NULL ) {
        printf( "Unable to expand far buffer\n" );
    }
    printf( "New size of far buffer is %u\n",
             _fmsize(buf2) );
  }