Disallow empty arguments (eg: '') as process ids.
PR: 2631 Submitted by: Arne Henrik Juul <arnej@imf.unit.no>
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=28554
@ -30,7 +30,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: kill.c,v 1.7 1997/06/03 06:24:50 charnier Exp $
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* $Id: kill.c,v 1.8 1997/06/06 06:36:20 charnier Exp $
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*/
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#ifndef lint
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@ -78,7 +78,7 @@ main(argc, argv)
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if (!isdigit(**argv))
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usage();
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numsig = strtol(*argv, &ep, 10);
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if (!*argv || *ep)
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if (!**argv || *ep)
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errx(1, "illegal signal number: %s", *argv);
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if (numsig >= 128)
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numsig -= 128;
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@ -110,7 +110,7 @@ main(argc, argv)
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nosig(*argv);
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} else if (isdigit(**argv)) {
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numsig = strtol(*argv, &ep, 10);
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if (!*argv || *ep)
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if (!**argv || *ep)
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errx(1, "illegal signal number: %s", *argv);
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if (numsig < 0 || numsig >= NSIG)
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nosig(*argv);
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@ -124,7 +124,7 @@ main(argc, argv)
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for (errors = 0; argc; argc--, argv++) {
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pid = strtol(*argv, &ep, 10);
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if (!*argv || *ep) {
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if (!**argv || *ep) {
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warnx("illegal process id: %s", *argv);
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errors = 1;
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} else if (kill(pid, numsig) == -1) {
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