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1.1 root 1: /*
2: * Mach Operating System
3: * Copyright (c) 1991,1990,1989 Carnegie Mellon University
4: * All Rights Reserved.
5: *
6: * Permission to use, copy, modify and distribute this software and its
7: * documentation is hereby granted, provided that both the copyright
8: * notice and this permission notice appear in all copies of the
9: * software, derivative works or modified versions, and any portions
10: * thereof, and that both notices appear in supporting documentation.
11: *
12: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15: *
16: * Carnegie Mellon requests users of this software to return to
17: *
18: * Software Distribution Coordinator or [email protected]
19: * School of Computer Science
20: * Carnegie Mellon University
21: * Pittsburgh PA 15213-3890
22: *
23: * any improvements or extensions that they make and grant Carnegie Mellon
24: * the rights to redistribute these changes.
25: */
26: /*
27: * Olivetti Mach Console driver v0.0
28: * Copyright Ing. C. Olivetti & C. S.p.A. 1988, 1989
29: * All rights reserved.
30: *
31: */
32: /*
33: Copyright 1988, 1989 by Olivetti Advanced Technology Center, Inc.,
34: Cupertino, California.
35:
36: All Rights Reserved
37:
38: Permission to use, copy, modify, and distribute this software and
39: its documentation for any purpose and without fee is hereby
40: granted, provided that the above copyright notice appears in all
41: copies and that both the copyright notice and this permission notice
42: appear in supporting documentation, and that the name of Olivetti
43: not be used in advertising or publicity pertaining to distribution
44: of the software without specific, written prior permission.
45:
46: OLIVETTI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
47: INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
48: IN NO EVENT SHALL OLIVETTI BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
49: CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
50: LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
51: NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUR OF OR IN CONNECTION
52: WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
53: */
54:
55: /*
56: Copyright 1988, 1989 by Intel Corporation, Santa Clara, California.
57:
58: All Rights Reserved
59:
60: Permission to use, copy, modify, and distribute this software and
61: its documentation for any purpose and without fee is hereby
62: granted, provided that the above copyright notice appears in all
63: copies and that both the copyright notice and this permission notice
64: appear in supporting documentation, and that the name of Intel
65: not be used in advertising or publicity pertaining to distribution
66: of the software without specific, written prior permission.
67:
68: INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
69: INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
70: IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
71: CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
72: LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
73: NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
74: WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
75: */
76:
77: #include <util/atoi.h>
78:
79: /*
80: * mach_atoi:
81: *
82: * This function converts an ascii string into an integer, and returns
83: * MACH_ATOI_DEFAULT if no integer was found. Note that this is why we
84: * don't use the regular atio(), because ZERO is ZERO and not the
85: * MACH_ATOI_DEFAULT in all cases.
86: *
87: * input : string
88: * output : a number or possibly MACH_ATOI_DEFAULT, and the count of
89: * characters consumed by the conversion
90: *
91: */
92: int
93: mach_atoi(cp, nump)
1.1.1.2 ! root 94: const u_char *cp;
! 95: int *nump;
1.1 root 96: {
1.1.1.2 ! root 97: int number;
! 98: const u_char *original;
1.1 root 99:
100: original = cp;
101: for (number = 0; ('0' <= *cp) && (*cp <= '9'); cp++)
102: number = (number * 10) + (*cp - '0');
103: if (original == cp)
104: *nump = MACH_ATOI_DEFAULT;
105: else
106: *nump = number;
107: return(cp - original);
108: }
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