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[HAVE_LIMITS_H]: Include limits.h for INT_MAX.

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[!INT_MAX]: Define it.
(main): Append INT_MAX to command-line-specified tab list to
ensure termination in unexpand's inner loop.
Derived from a patch from Keith Owens.
This commit is contained in:
Jim Meyering
1996-07-14 22:28:52 +00:00
parent 178f23fbb7
commit 7d026dd508
1 changed files with 18 additions and 1 deletions
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19
src/unexpand.c
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@@ -44,6 +44,19 @@
#include <getopt.h>
#include <sys/types.h>
#include "system.h"
#ifdef HAVE_LIMITS_H
# include <limits.h>
#endif
#ifndef UINT_MAX
# define UINT_MAX ((unsigned int) ~(unsigned int) 0)
#endif
#ifndef INT_MAX
# define INT_MAX ((int) (UINT_MAX >> 1))
#endif
#include "error.h"
/* The number of bytes added at a time to the amount of memory
@@ -440,7 +453,11 @@ main (int argc, char **argv)
else if (first_free_tab == 1)
tab_size = tab_list[0];
else
tab_size = 0;
{
/* Append a sentinel to the list of tab stop indices. */
add_tabstop (INT_MAX);
tab_size = 0;
}
if (optind == argc)
file_list = stdin_argv;