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Annotation of embedaddon/curl/lib/curl_get_line.c, revision 1.1

1.1     ! misho       1: /***************************************************************************
        !             2:  *                                  _   _ ____  _
        !             3:  *  Project                     ___| | | |  _ \| |
        !             4:  *                             / __| | | | |_) | |
        !             5:  *                            | (__| |_| |  _ <| |___
        !             6:  *                             \___|\___/|_| \_\_____|
        !             7:  *
        !             8:  * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
        !             9:  *
        !            10:  * This software is licensed as described in the file COPYING, which
        !            11:  * you should have received as part of this distribution. The terms
        !            12:  * are also available at https://curl.haxx.se/docs/copyright.html.
        !            13:  *
        !            14:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
        !            15:  * copies of the Software, and permit persons to whom the Software is
        !            16:  * furnished to do so, under the terms of the COPYING file.
        !            17:  *
        !            18:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
        !            19:  * KIND, either express or implied.
        !            20:  *
        !            21:  ***************************************************************************/
        !            22: 
        !            23: #include "curl_setup.h"
        !            24: 
        !            25: #include "curl_get_line.h"
        !            26: #include "curl_memory.h"
        !            27: /* The last #include file should be: */
        !            28: #include "memdebug.h"
        !            29: 
        !            30: /*
        !            31:  * get_line() makes sure to only return complete whole lines that fit in 'len'
        !            32:  * bytes and end with a newline.
        !            33:  */
        !            34: char *Curl_get_line(char *buf, int len, FILE *input)
        !            35: {
        !            36:   bool partial = FALSE;
        !            37:   while(1) {
        !            38:     char *b = fgets(buf, len, input);
        !            39:     if(b) {
        !            40:       size_t rlen = strlen(b);
        !            41:       if(rlen && (b[rlen-1] == '\n')) {
        !            42:         if(partial) {
        !            43:           partial = FALSE;
        !            44:           continue;
        !            45:         }
        !            46:         return b;
        !            47:       }
        !            48:       /* read a partial, discard the next piece that ends with newline */
        !            49:       partial = TRUE;
        !            50:     }
        !            51:     else
        !            52:       break;
        !            53:   }
        !            54:   return NULL;
        !            55: }