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(quotearg_n_options): Change code to be suboptimal, in

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order to avoid an unsuppressible warning from gcc on 64-bit systems.
This commit is contained in:
Jim Meyering 2005-08-31 07:51:04 +00:00
parent 30a8d137dd
commit db875eadae
1 changed files with 7 additions and 2 deletions
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9
lib/quotearg.c
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@ -1,6 +1,6 @@
/* quotearg.c - quote arguments for output
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004 Free Software
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005 Free Software
Foundation, Inc.
This program is free software; you can redistribute it and/or modify
@ -581,7 +581,12 @@ quotearg_n_options (int n, char const *arg, size_t argsize,
if (nslots <= n0)
{
unsigned int n1 = n0 + 1;
/* FIXME: technically, the type of n1 should be `unsigned int',
but that evokes an unsuppressible warning from gcc-4.0.1 and
older. If gcc ever provides an option to suppress that warning,
revert to the original type, so that the test in xalloc_oversized
is once again performed only at compile time. */
size_t n1 = n0 + 1;
if (xalloc_oversized (n1, sizeof *slotvec))
xalloc_die ();