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/*************************************************************************** 
 *                                  _   _ ____  _ 
 *  Project                     ___| | | |  _ \| | 
 *                             / __| | | | |_) | | 
 *                            | (__| |_| |  _ <| |___ 
 *                             \___|\___/|_| \_\_____| 
 * 
 * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
 * 
 * This software is licensed as described in the file COPYING, which 
 * you should have received as part of this distribution. The terms 
 * are also available at https://curl.se/docs/copyright.html.
 * 
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 
 * copies of the Software, and permit persons to whom the Software is 
 * furnished to do so, under the terms of the COPYING file. 
 * 
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 
 * KIND, either express or implied. 
 * 
 ***************************************************************************/ 
 
#include "curl_setup.h" 
 
#if !defined(CURL_DISABLE_COOKIES) || !defined(CURL_DISABLE_ALTSVC) ||  \
  defined(USE_HSTS)

#include "curl_get_line.h" 
#include "curl_memory.h" 
/* The last #include file should be: */ 
#include "memdebug.h" 
 
/* 
 * get_line() makes sure to only return complete whole lines that fit in 'len' 
 * bytes and end with a newline. 
 */ 
char *Curl_get_line(char *buf, int len, FILE *input) 
{ 
  bool partial = FALSE; 
  while(1) { 
    char *b = fgets(buf, len, input); 
    if(b) { 
      size_t rlen = strlen(b); 
      if(rlen && (b[rlen-1] == '\n')) { 
        if(partial) { 
          partial = FALSE; 
          continue; 
        } 
        return b; 
      } 
      /* read a partial, discard the next piece that ends with newline */ 
      partial = TRUE; 
    } 
    else 
      break; 
  } 
  return NULL; 
} 

#endif /* if not disabled */