ftp.nice.ch/pub/next/text/tex/apps/DviInfo.1.2.s.tar.gz#/DviInfo.1.2.s/Text_Fmt.m

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#import "Text_Fmt.h"
#import <stdarg.h>

@implementation Text(Text_Fmt)
#define BUFFERSIZE 512

- (int) printf:(const char *) format, ...
{
  int result, length = [self textLength];
  char buffer[BUFFERSIZE];
  va_list	ap;
  
  va_start(ap, format);
  result = vsprintf(buffer, format, ap);
  va_end(ap);

  // this is how one puts text into a Text object and goes to that selection.

  // put the cursor in the very last location and push the buffer in
  [[self setSel:length :length] replaceSel:buffer];

  // scroll so that it is visible and redisplay
  [[self scrollSelToVisible] display];
  
  return result;
}
@end

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