1/*-
2 * Copyright (c) 2006 M. Warner Losh. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
| 1/*-
2 * Copyright (c) 2006 M. Warner Losh. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
|
29/******************************************************************************
30 *
31 * Filename: p_string.c
32 *
33 * Instantiation of basic string operations to prevent inclusion of full
34 * string library. These are simple implementations not necessarily optimized
35 * for speed, but rather to show intent.
36 *
37 * Revision information:
38 *
39 * 20AUG2004 kb_admin initial creation
40 * 12JAN2005 kb_admin minor updates
41 *
42 * BEGIN_KBDD_BLOCK
43 * No warranty, expressed or implied, is included with this software. It is
44 * provided "AS IS" and no warranty of any kind including statutory or aspects
45 * relating to merchantability or fitness for any purpose is provided. All
46 * intellectual property rights of others is maintained with the respective
47 * owners. This software is not copyrighted and is intended for reference
48 * only.
49 * END_BLOCK
| 29/******************************************************************************
30 *
31 * Filename: p_string.c
32 *
33 * Instantiation of basic string operations to prevent inclusion of full
34 * string library. These are simple implementations not necessarily optimized
35 * for speed, but rather to show intent.
36 *
37 * Revision information:
38 *
39 * 20AUG2004 kb_admin initial creation
40 * 12JAN2005 kb_admin minor updates
41 *
42 * BEGIN_KBDD_BLOCK
43 * No warranty, expressed or implied, is included with this software. It is
44 * provided "AS IS" and no warranty of any kind including statutory or aspects
45 * relating to merchantability or fitness for any purpose is provided. All
46 * intellectual property rights of others is maintained with the respective
47 * owners. This software is not copyrighted and is intended for reference
48 * only.
49 * END_BLOCK
|
51 *****************************************************************************/
52
53#include "lib.h"
54
55/*
56 * .KB_C_FN_DEFINITION_START
57 * int p_IsWhiteSpace(char)
58 * This global function returns true if the character is not considered
59 * a non-space character.
60 * .KB_C_FN_DEFINITION_END
61 */
62int
63p_IsWhiteSpace(char cValue)
64{
65 return ((cValue == ' ') ||
66 (cValue == '\t') ||
67 (cValue == 0) ||
68 (cValue == '\r') ||
69 (cValue == '\n'));
70}
71
72
73/*
74 * .KB_C_FN_DEFINITION_START
75 * unsigned p_HexCharValue(char)
76 * This global function returns the decimal value of the validated hex char.
77 * .KB_C_FN_DEFINITION_END
78 */
79unsigned
80p_HexCharValue(char cValue)
81{
82 if (cValue < ('9' + 1))
83 return (cValue - '0');
84 if (cValue < ('F' + 1))
85 return (cValue - 'A' + 10);
86 return (cValue - 'a' + 10);
87}
88
89/*
90 * .KB_C_FN_DEFINITION_START
91 * unsigned p_ASCIIToHex(char *)
92 * This global function set the unsigned value equal to the converted
93 * hex number passed as a string. No error checking is performed; the
94 * string must be valid hex value, point at the start of string, and be
95 * NULL-terminated.
96 * .KB_C_FN_DEFINITION_END
97 */
98unsigned
99p_ASCIIToHex(const char *buf)
100{
101 unsigned lValue = 0;
102
103 if ((*buf == '0') && ((buf[1] == 'x') || (buf[1] == 'X')))
104 buf += 2;
105
106 while (*buf) {
107 lValue <<= 4;
108 lValue += p_HexCharValue(*buf++);
109 }
110 return (lValue);
111}
112
113
114/*
115 * .KB_C_FN_DEFINITION_START
116 * unsigned p_ASCIIToDec(char *)
117 * This global function set the unsigned value equal to the converted
118 * decimal number passed as a string. No error checking is performed; the
119 * string must be valid decimal value, point at the start of string, and be
120 * NULL-terminated.
121 * .KB_C_FN_DEFINITION_END
122 */
123unsigned
124p_ASCIIToDec(const char *buf)
125{
126 unsigned v = 0;
127
128 while (*buf) {
129 v *= 10;
130 v += (*buf++) - '0';
131 }
132 return (v);
133}
| 50 *****************************************************************************/
51
52#include "lib.h"
53
54/*
55 * .KB_C_FN_DEFINITION_START
56 * int p_IsWhiteSpace(char)
57 * This global function returns true if the character is not considered
58 * a non-space character.
59 * .KB_C_FN_DEFINITION_END
60 */
61int
62p_IsWhiteSpace(char cValue)
63{
64 return ((cValue == ' ') ||
65 (cValue == '\t') ||
66 (cValue == 0) ||
67 (cValue == '\r') ||
68 (cValue == '\n'));
69}
70
71
72/*
73 * .KB_C_FN_DEFINITION_START
74 * unsigned p_HexCharValue(char)
75 * This global function returns the decimal value of the validated hex char.
76 * .KB_C_FN_DEFINITION_END
77 */
78unsigned
79p_HexCharValue(char cValue)
80{
81 if (cValue < ('9' + 1))
82 return (cValue - '0');
83 if (cValue < ('F' + 1))
84 return (cValue - 'A' + 10);
85 return (cValue - 'a' + 10);
86}
87
88/*
89 * .KB_C_FN_DEFINITION_START
90 * unsigned p_ASCIIToHex(char *)
91 * This global function set the unsigned value equal to the converted
92 * hex number passed as a string. No error checking is performed; the
93 * string must be valid hex value, point at the start of string, and be
94 * NULL-terminated.
95 * .KB_C_FN_DEFINITION_END
96 */
97unsigned
98p_ASCIIToHex(const char *buf)
99{
100 unsigned lValue = 0;
101
102 if ((*buf == '0') && ((buf[1] == 'x') || (buf[1] == 'X')))
103 buf += 2;
104
105 while (*buf) {
106 lValue <<= 4;
107 lValue += p_HexCharValue(*buf++);
108 }
109 return (lValue);
110}
111
112
113/*
114 * .KB_C_FN_DEFINITION_START
115 * unsigned p_ASCIIToDec(char *)
116 * This global function set the unsigned value equal to the converted
117 * decimal number passed as a string. No error checking is performed; the
118 * string must be valid decimal value, point at the start of string, and be
119 * NULL-terminated.
120 * .KB_C_FN_DEFINITION_END
121 */
122unsigned
123p_ASCIIToDec(const char *buf)
124{
125 unsigned v = 0;
126
127 while (*buf) {
128 v *= 10;
129 v += (*buf++) - '0';
130 }
131 return (v);
132}
|