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      1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
      2  *
      3  * Permission is hereby granted, free of charge, to any person obtaining a copy
      4  * of this software and associated documentation files (the "Software"), to
      5  * deal in the Software without restriction, including without limitation the
      6  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
      7  * sell copies of the Software, and to permit persons to whom the Software is
      8  * furnished to do so, subject to the following conditions:
      9  *
     10  * The above copyright notice and this permission notice shall be included in
     11  * all copies or substantial portions of the Software.
     12  *
     13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     18  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     19  * IN THE SOFTWARE.
     20  */
     21 
     22 #include "uv.h"
     23 #include "task.h"
     24 #include <string.h>
     25 
     26 
     27 TEST_IMPL(dlerror) {
     28   const char* path = "test/fixtures/load_error.node";
     29   const char* dlerror_no_error = "no error";
     30   const char* msg;
     31   uv_lib_t lib;
     32   int r;
     33 
     34   lib.errmsg = NULL;
     35   lib.handle = NULL;
     36   msg = uv_dlerror(&lib);
     37   ASSERT_NOT_NULL(msg);
     38   ASSERT_NOT_NULL(strstr(msg, dlerror_no_error));
     39 
     40   r = uv_dlopen(path, &lib);
     41   ASSERT_EQ(r, -1);
     42 
     43   msg = uv_dlerror(&lib);
     44   ASSERT_NOT_NULL(msg);
     45 #if !defined(__OpenBSD__) && !defined(__QNX__)
     46   /* musl's libc.a does not support dlopen(), only libc.so does. */
     47   if (NULL == strstr(msg, "Dynamic loading not supported"))
     48     ASSERT_NOT_NULL(strstr(msg, path));
     49 #endif
     50   ASSERT_NULL(strstr(msg, dlerror_no_error));
     51 
     52   /* Should return the same error twice in a row. */
     53   msg = uv_dlerror(&lib);
     54   ASSERT_NOT_NULL(msg);
     55 #if !defined(__OpenBSD__) && !defined(__QNX__)
     56   /* musl's libc.a does not support dlopen(), only libc.so does. */
     57   if (NULL == strstr(msg, "Dynamic loading not supported"))
     58     ASSERT_NOT_NULL(strstr(msg, path));
     59 #endif
     60   ASSERT_NULL(strstr(msg, dlerror_no_error));
     61 
     62   uv_dlclose(&lib);
     63 
     64   return 0;
     65 }
     66