plan9fox/sys/src/cmd/disk/kfscmd.c
2011-03-30 19:35:09 +03:00

57 lines
1.1 KiB
C

#include <u.h>
#include <libc.h>
void
main(int argc, char *argv[])
{
char *name, buf[4*1024];
int fd, n, i, errs;
name = 0;
ARGBEGIN{
case 'n':
name = ARGF();
break;
default:
fprint(2, "usage: kfscmd [-n server] commands\n");
exits("usage");
}ARGEND
if(name)
snprint(buf, sizeof buf, "/srv/kfs.%s.cmd", name);
else
strcpy(buf, "/srv/kfs.cmd");
fd = open(buf, ORDWR);
if(fd < 0){
fprint(2, "kfscmd: can't open commands file\n");
exits("commands file");
}
errs = 0;
for(i = 0; i < argc; i++){
if(write(fd, argv[i], strlen(argv[i])) != strlen(argv[i])){
fprint(2, "%s: error writing %s: %r", argv0, argv[i]);
errs++;
continue;
}
for(;;){
n = read(fd, buf, sizeof buf - 1);
if(n < 0){
fprint(2, "%s: error executing %s: %r", argv0, argv[i]);
errs++;
break;
}
buf[n] = '\0';
if(strcmp(buf, "done") == 0 || strcmp(buf, "success") == 0)
break;
if(strcmp(buf, "unknown command") == 0){
errs++;
print("kfscmd: command %s not recognized\n", argv[i]);
break;
}
write(1, buf, n);
}
}
exits(errs ? "errors" : 0);
}