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tee: Make sure we continue on error

master
sin 2016-06-23 19:37:23 +01:00
parent 0ba879cdba
commit 11d8e91042
1 changed files with 15 additions and 7 deletions
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22
tee.c
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@ -34,20 +34,28 @@ main(int argc, char *argv[])
nfps = argc + 1;
fps = ecalloc(nfps, sizeof(*fps));
for (i = 0; i < argc; i++)
if (!(fps[i] = fopen(argv[i], aflag ? "a" : "w")))
eprintf("fopen %s:", argv[i]);
for (i = 0; i < argc; i++) {
if (!(fps[i] = fopen(argv[i], aflag ? "a" : "w"))) {
weprintf("fopen %s:", argv[i]);
ret = 1;
}
}
fps[i] = stdout;
while ((n = fread(buf, 1, sizeof(buf), stdin))) {
for (i = 0; i < nfps; i++) {
if (fwrite(buf, 1, n, fps[i]) == n)
continue;
eprintf("fwrite %s:", (i != argc) ? argv[i] : "<stdout>");
if (fps[i] && fwrite(buf, 1, n, fps[i]) != n) {
fshut(fps[i], (i != argc) ? argv[i] : "<stdout>");
fps[i] = NULL;
ret = 1;
}
}
}
ret |= fshut(stdin, "<stdin>") | fshut(stdout, "<stdout>");
ret |= fshut(stdin, "<stdin>");
for (i = 0; i < nfps; i++)
if (fps[i])
ret |= fshut(fps[i], (i != argc) ? argv[i] : "<stdout>");
return ret;
}