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comparison usr/src/cmd/yes/yes.c @ 14126:62364715172d

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3927 yes(1) needs error handling to avoid spinning Reviewed by: Robert Mustacchi <rm@joyent.com> Reviewed by: Marcel Telka <Marcel.Telka@nexenta.com> Reviewed by: Garrett D'Amore <garrett@damore.org> Reviewed by: Irek Szczesniak <iszczesniak@gmail.com> Approved by: Richard Lowe <richlowe@richlowe.net>
author Jonathan Perkin <jperkin@joyent.com>
date Thu, 17 Jan 2013 00:48:10 +0000
parents 68f95e015346
children
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14125:c1fa4cc16e1b 14126:62364715172d
21 */ 21 */
22 /* 22 /*
23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms. 24 * Use is subject to license terms.
25 */ 25 */
26 26 /*
27 #pragma ident "%Z%%M% %I% %E% SMI" 27 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
28 */
28 29
29 #include <stdio.h> 30 #include <stdio.h>
30 31
31 int 32 int
32 main(int argc, char **argv) 33 main(int argc, char **argv)
33 { 34 {
34 if (argc <= 1) { 35 if (argc <= 1) {
35 for (;;) { 36 while (puts("y") != EOF)
36 (void) putchar('y'); 37 continue;
37 (void) putchar('\n');
38 }
39 } else { 38 } else {
40 for (;;) { 39 for (;;) {
41 int i; 40 int i;
42 41
43 for (i = 1; i < argc; i++) { 42 for (i = 1; i < argc; i++) {
44 if (i > 1) 43 if (i > 1)
45 (void) putchar(' '); 44 if (putchar(' ') == EOF)
46 (void) fputs(argv[i], stdout); 45 goto err;
46 if (fputs(argv[i], stdout) == EOF)
47 goto err;
47 } 48 }
48 (void) putchar('\n'); 49 if (putchar('\n') == EOF)
50 goto err;
49 } 51 }
50 } 52 }
51 #if defined(lint) 53
52 /*NOTREACHED*/ 54 err:
53 return (0); 55 return (1);
54 #endif
55 } 56 }