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2001-06-16 Roland McGrath <roland@frob.com>

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* hurd/hurdexec.c (_hurd_exec): Be robust for DTABLESIZE==0.
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Roland McGrath 2001-06-17 21:08:08 +00:00
parent 5b60c9fcea
commit 21bc421fb0
1 changed files with 2 additions and 2 deletions
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hurd/hurdexec.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1991,92,93,94,95,96,97,99 Free Software Foundation, Inc.
/* Copyright (C) 1991,92,93,94,95,96,97,99,2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -187,7 +187,7 @@ _hurd_exec (task_t task, file_t file,
}
/* Prune trailing null ports from the descriptor table. */
while (dtable[dtablesize - 1] == MACH_PORT_NULL)
while (dtablesize > 0 && dtable[dtablesize - 1] == MACH_PORT_NULL)
--dtablesize;
/* The information is all set up now. Try to exec the file. */