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Disallow empty arguments (eg: '') as process ids.

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PR:		2631
Submitted by:	Arne Henrik Juul <arnej@imf.unit.no>
This commit is contained in:
Jonathan Lemon 1997-08-21 21:34:43 +00:00
parent b13364fea8
commit d623c5c11e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=28554
1 changed files with 4 additions and 4 deletions
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8
bin/kill/kill.c
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@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: kill.c,v 1.7 1997/06/03 06:24:50 charnier Exp $
* $Id: kill.c,v 1.8 1997/06/06 06:36:20 charnier Exp $
*/
#ifndef lint
@ -78,7 +78,7 @@ main(argc, argv)
if (!isdigit(**argv))
usage();
numsig = strtol(*argv, &ep, 10);
if (!*argv || *ep)
if (!**argv || *ep)
errx(1, "illegal signal number: %s", *argv);
if (numsig >= 128)
numsig -= 128;
@ -110,7 +110,7 @@ main(argc, argv)
nosig(*argv);
} else if (isdigit(**argv)) {
numsig = strtol(*argv, &ep, 10);
if (!*argv || *ep)
if (!**argv || *ep)
errx(1, "illegal signal number: %s", *argv);
if (numsig < 0 || numsig >= NSIG)
nosig(*argv);
@ -124,7 +124,7 @@ main(argc, argv)
for (errors = 0; argc; argc--, argv++) {
pid = strtol(*argv, &ep, 10);
if (!*argv || *ep) {
if (!**argv || *ep) {
warnx("illegal process id: %s", *argv);
errors = 1;
} else if (kill(pid, numsig) == -1) {