#include <u.h>
#include <libc.h>
+enum {
+ FDSTART = 3,
+};
+
int uflag;
int aflag;
-int openf[100];
char in[8192];
n = 0;
while(*argv) {
if(aflag) {
- openf[n] = open(argv[0], OWRITE);
- if(openf[n] < 0)
- openf[n] = create(argv[0], OWRITE, 0666);
- seek(openf[n], 0L, 2);
+ i = open(argv[0], OWRITE);
+ if(i < 0)
+ i = create(argv[0], OWRITE, 0666);
+ seek(i, 0L, 2);
} else
- openf[n] = create(argv[0], OWRITE, 0666);
- if(openf[n] < 0) {
+ i = create(argv[0], OWRITE, 0666);
+ if(i < 0) {
fprint(2, "tee: cannot open %s: %r\n", argv[0]);
- } else
+ } else {
+ if(i != n+FDSTART)
+ dup(i, n+FDSTART);
n++;
+ }
argv++;
}
- openf[n++] = 1;
for(;;) {
r = read(0, in, sizeof in);
if(r <= 0)
exits(nil);
for(i=0; i<n; i++)
- write(openf[i], in, r);
+ write(i+FDSTART, in, r);
+ write(1, in, r);
}
}