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Diffstat (limited to 'procps/kill.c')
-rw-r--r--procps/kill.c49
1 files changed, 25 insertions, 24 deletions
diff --git a/procps/kill.c b/procps/kill.c
index 2fabf56..8cc2b04 100644
--- a/procps/kill.c
+++ b/procps/kill.c
@@ -25,6 +25,7 @@
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
+#include <ctype.h>
const char kill_usage[] = "kill [-signal] process-id [process-id ...]\n";
@@ -112,47 +113,47 @@ const struct signal_name signames[] = {
extern int kill_main (int argc, char **argv)
{
- int had_error = 0;
int sig = SIGTERM;
+ if ( argc < 2 )
+ usage (kill_usage);
-
- if (argv[1][0] == '-') {
- if (argv[1][1] >= '0' && argv[1][1] <= '9') {
- sig = atoi (&argv[1][1]);
+ if ( **(argv+1) == '-' ) {
+ if (isdigit( *(*(++argv)+1) )) {
+ sig = atoi (*argv);
if (sig < 0 || sig >= NSIG)
goto end;
- } else {
+ }
+ else {
const struct signal_name *s = signames;
- for (;;) {
- if (strcmp (s->name, &argv[1][1]) == 0) {
+ while (s->name != 0) {
+ if (strcasecmp (s->name, *argv+1) == 0) {
sig = s->number;
break;
}
s++;
- if (s->name == 0)
- goto end;
}
+ if (s->name == 0)
+ goto end;
}
- argv++;
- argc--;
-
}
- while (argc > 1) {
+
+ while (--argc > 1) {
int pid;
- if (argv[1][0] < '0' || argv[1][0] > '9')
- goto end;
- pid = atoi (argv[1]);
+ if (! isdigit( **(++argv))) {
+ fprintf(stderr, "bad PID: %s\n", *argv);
+ exit( FALSE);
+ }
+ pid = atoi (*argv);
if (kill (pid, sig) != 0) {
- had_error = 1;
- perror (argv[1]);
+ perror (*argv);
+ exit ( FALSE);
}
- argv++;
- argc--;
}
- if (had_error) {
+
end:
- usage (kill_usage);
- }
+ fprintf(stderr, "bad signal name: %s\n", *argv);
exit (TRUE);
}
+
+