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nproc: disallow non option command line parameters

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* src/nproc.c (main): Error if any non option parameters.
* NEWS: Mention the change in behavior.
This commit is contained in:
Pádraig Brady 2012-09-06 10:34:00 +01:00
parent 97b786a33d
commit a514bc402c
2 changed files with 11 additions and 0 deletions
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4
NEWS
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@ -23,6 +23,10 @@ GNU coreutils NEWS -*- outline -*-
"Too many levels of symbolic links" diagnostic.
[bug introduced in coreutils-8.6]
** Changes in behavior
nproc now diagnoses with an error, non option command line parameters.
** Improvements
stat and tail work better with ZFS and VZFS. stat -f --format=%T now

7
src/nproc.c
View File

@ -24,6 +24,7 @@
#include "system.h"
#include "error.h"
#include "nproc.h"
#include "quote.h"
#include "xstrtol.h"
/* The official name of this program (e.g., no 'g' prefix). */
@ -113,6 +114,12 @@ main (int argc, char **argv)
}
}
if (argc != optind)
{
error (0, 0, _("extra operand %s"), quote (argv[optind]));
usage (EXIT_FAILURE);
}
nproc = num_processors (mode);
if (ignore < nproc)