text: /***************************************************************************
   *                                  _   _ ____  _
   *  Project                     ___| | | |  _ \| |
   *                             / __| | | | |_) | |
   *                            | (__| |_| |  _ <| |___
   *                             \___|\___/|_| \_\_____|
   *
   * Copyright (C) 1998 - 2017, 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.haxx.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 "test.h"
  
  #include "memdebug.h"
  
  int test(char *URL)
  {
    const unsigned char a[] = {0x2f, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
                               0x91, 0xa2, 0xb3, 0xc4, 0xd5, 0xe6, 0xf7};
    CURLcode res = CURLE_OK;
    char *ptr = NULL;
    int asize;
    int outlen;
    char *raw;
  
    (void)URL; /* we don't use this */
  
    if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
      fprintf(stderr, "curl_global_init() failed\n");
      return TEST_ERR_MAJOR_BAD;
    }
  
    asize = (int)sizeof(a);
    ptr = curl_easy_escape(NULL, (char *)a, asize);
    printf("%s\n", ptr);
    curl_free(ptr);
  
    /* deprecated API */
    ptr = curl_escape((char *)a, asize);
    printf("%s\n", ptr);
    if(!ptr) {
      res = TEST_ERR_MAJOR_BAD;
      goto test_cleanup;
    }
  
    raw = curl_easy_unescape(NULL, ptr, (int)strlen(ptr), &outlen);
    printf("outlen == %d\n", outlen);
    printf("unescape == original? %s\n",
           memcmp(raw, a, outlen) ? "no" : "YES");
    curl_free(raw);
  
    /* deprecated API */
    raw = curl_unescape(ptr, (int)strlen(ptr));
    if(!raw) {
      res = TEST_ERR_MAJOR_BAD;
      goto test_cleanup;
    }
    outlen = (int)strlen(raw);
    printf("[old] outlen == %d\n", outlen);
    printf("[old] unescape == original? %s\n",
           memcmp(raw, a, outlen) ? "no" : "YES");
    curl_free(raw);
    curl_free(ptr);
  
    /* weird input length */
    ptr = curl_easy_escape(NULL, (char *)a, -1);
    printf("escape -1 length: %s\n", ptr);
  
    /* weird input length */
    outlen = 2017; /* just a value */
    ptr = curl_easy_unescape(NULL, (char *)"moahahaha", -1, &outlen);
    printf("unescape -1 length: %s %d\n", ptr, outlen);
  
  test_cleanup:
    curl_free(ptr);
    curl_global_cleanup();
  
    return (int)res;
  }
  