46 lines
974 B
C
46 lines
974 B
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <lib9.h>
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void
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cat(int f, char *s)
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{
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char buf[8192];
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int32_t n;
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while((n=jehanne_read(f, buf, (int32_t)sizeof buf))>0)
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if(jehanne_write(1, buf, n)!=n)
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sysfatal("write error copying %s: %r", s);
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if(n < 0)
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sysfatal("error reading %s: %r", s);
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}
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void
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main(int argc, char *argv[])
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{
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int f, i;
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argv0 = "cat";
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if(argc == 1)
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cat(0, "<stdin>");
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else for(i=1; i<argc; i++){
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f = sys_open(argv[i], OREAD);
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if(f < 0)
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sysfatal("can't open %s: %r", argv[i]);
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else{
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cat(f, argv[i]);
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sys_close(f);
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}
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}
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exits(0);
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}
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