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@ -4,10 +4,12 @@
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#include "util.h"
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static int fflag = 0;
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static void
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usage(void)
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{
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eprintf("usage: %s cmd [arg ...]\n", argv0);
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eprintf("usage: %s cmd [-f] [arg ...]\n", argv0);
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}
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int
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@ -16,6 +18,9 @@ main(int argc, char *argv[])
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int savederrno;
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ARGBEGIN {
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case 'f':
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fflag = 1;
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break;
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default:
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usage();
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} ARGEND
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@ -23,7 +28,7 @@ main(int argc, char *argv[])
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if (!argc)
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usage();
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if (getpgrp() == getpid()) {
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if (fflag || getpgrp() == getpid()) {
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switch (fork()) {
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case -1:
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eprintf("fork:");
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