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/* This file is part of the SvarCOM project and is published under the terms
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/* This file is part of the SvarCOM project and is published under the terms
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* of the MIT license.
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* of the MIT license.
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*
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*
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* Copyright (C) 2021 Mateusz Viste
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* Copyright (C) 2021-2024 Mateusz Viste
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*
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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unsigned short rmodenv = *rmodenv_ptr;
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unsigned short rmodenv = *rmodenv_ptr;
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/* detect "I am the origin shell" situations */
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/* detect "I am the origin shell" situations */
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if (rmod->flags & FLAG_PERMANENT) return; /* COMMAND.COM /P */
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if (rmod->flags & FLAG_PERMANENT) return; /* COMMAND.COM /P */
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if ((rmod->origint22 >> 16) == 0xffff) return; /* original int22h seg set to 0xffff (DOS-C / FreeDOS) */
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if ((rmod->origint22 >> 16) == 0xffff) return; /* original int22h seg set to 0xffff (DOS-C / FreeDOS) */
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if (rmod->origenvseg == 0) return; /* no original environment (MSDOS 5/6) */
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/* set my int 22h handler back to its original value */
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/* set my int 22h handler back to its original value */
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*myint22 = rmod->origint22;
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*myint22 = rmod->origint22;
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/* set my parent back to its original value */
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/* set my parent back to its original value */
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