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Commit | Line | Data |
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5b2abdfb | 1 | /*- |
e9ce8d39 A |
2 | * Copyright (c) 1990, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Chris Torek. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
e9ce8d39 A |
16 | * 4. Neither the name of the University nor the names of its contributors |
17 | * may be used to endorse or promote products derived from this software | |
18 | * without specific prior written permission. | |
19 | * | |
20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
30 | * SUCH DAMAGE. | |
31 | */ | |
32 | ||
33 | #if defined(LIBC_SCCS) && !defined(lint) | |
9385eb3d | 34 | static char sccsid[] = "@(#)getchar.c 8.1 (Berkeley) 6/4/93"; |
e9ce8d39 | 35 | #endif /* LIBC_SCCS and not lint */ |
9385eb3d | 36 | #include <sys/cdefs.h> |
1f2f436a | 37 | __FBSDID("$FreeBSD: src/lib/libc/stdio/getchar.c,v 1.15 2008/05/05 16:03:52 jhb Exp $"); |
e9ce8d39 | 38 | |
9385eb3d A |
39 | /* |
40 | * A subroutine version of the macro getchar. | |
41 | */ | |
42 | #include "namespace.h" | |
e9ce8d39 | 43 | #include <stdio.h> |
9385eb3d A |
44 | #include "un-namespace.h" |
45 | #include "local.h" | |
46 | #include "libc_private.h" | |
47 | ||
48 | #undef getchar | |
1f2f436a | 49 | #undef getchar_unlocked |
e9ce8d39 A |
50 | |
51 | int | |
9385eb3d | 52 | getchar() |
e9ce8d39 | 53 | { |
9385eb3d A |
54 | int retval; |
55 | FLOCKFILE(stdin); | |
3d9156a7 A |
56 | /* Orientation set by __sgetc() when buffer is empty. */ |
57 | /* ORIENT(stdin, -1); */ | |
58 | retval = __sgetc(stdin); | |
9385eb3d A |
59 | FUNLOCKFILE(stdin); |
60 | return (retval); | |
e9ce8d39 | 61 | } |
1f2f436a A |
62 | |
63 | int | |
64 | getchar_unlocked(void) | |
65 | { | |
66 | ||
67 | return (__sgetc(stdin)); | |
68 | } |