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ltlsmin: fix incorrect check for dlsym error

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Fix #435 reported by Yann Thierry-Mieg.

* spot/ltsmin/spins_interface.cc (sym): Fix incorrect check introduced
by dc4a477172.
This commit is contained in:
Alexandre Duret-Lutz 2020-10-17 20:39:34 +02:00
parent 43bd39f13f
commit 14a992bb89
1 changed files with 3 additions and 3 deletions
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6
spot/ltsmin/spins_interface.cc
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@ -1,6 +1,6 @@
// -*- coding: utf-8 -*- // -*- coding: utf-8 -*-
// Copyright (C) 2019 Laboratoire de Recherche et Développement de // Copyright (C) 2019, 2020 Laboratoire de Recherche et Développement
// l'Epita (LRDE) // de l'Epita (LRDE)
// //
// This file is part of Spot, a model checking library. // This file is part of Spot, a model checking library.
// //
@ -133,7 +133,7 @@ namespace spot
// should not be converted to pointer-to-functions (we have to // should not be converted to pointer-to-functions (we have to
// assume they can for POSIX). // assume they can for POSIX).
*reinterpret_cast<void**>(dst) = lt_dlsym(h, name); *reinterpret_cast<void**>(dst) = lt_dlsym(h, name);
if (dst == nullptr) if (*dst == nullptr)
throw std::runtime_error("Failed to resolve symbol '"s throw std::runtime_error("Failed to resolve symbol '"s
+ name + "' in '" + file + "'."); + name + "' in '" + file + "'.");
}; };