echoping/SRC/readline.c

/*
 * Read a line from a descriptor with fgets 
 *
 * $Id$
 *
 */

#include "echoping.h"

int
readline (fs, ptr, maxlen, ln)
     FILE *fs;
     char *ptr;
     int maxlen;
     unsigned short ln;
{
  int n = 1;
  char *rc;
  
  if (ln) {
    rc = fgets (ptr, maxlen+1, fs);
    /* printf ("DEBUG: %d bytes asked, I read \"%s\"\n", maxlen, rc); */
    if (rc == NULL) {
      return (-1);	
    }
    n = strlen (rc);
    return n;
  }
  else {
    while (n < maxlen) {
      rc = fgets (ptr, maxlen, fs);
      if (rc == NULL) {
	if (timeout_flag)
	  return n;
	if (n == 1)
	  return (0);		/* EOF, no data read */
	else
	  break;		/* EOF, some data was read */
      }
      n = n + strlen (rc);
    }
  }
 
  return (n);
}