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comparison agent/src/os/win32/ioUtils.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2000-2001 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #include <ctype.h>
26 #include <string.h>
27 #include "ioUtils.hpp"
28 #include "IOBuf.hpp"
29
30 bool
31 scanInt(char** data, int* num) {
32 *num = 0;
33
34 // Skip whitespace
35 while ((**data != 0) && (isspace(**data))) {
36 ++*data;
37 }
38
39 if (**data == 0) {
40 return false;
41 }
42
43 while ((**data != 0) && (!isspace(**data))) {
44 char cur = **data;
45 if ((cur < '0') || (cur > '9')) {
46 return false;
47 }
48 *num *= 10;
49 *num += cur - '0';
50 ++*data;
51 }
52
53 return true;
54 }
55
56 bool
57 scanUnsignedLong(char** data, unsigned long* num) {
58 *num = 0;
59
60 // Skip whitespace
61 while ((**data != 0) && (isspace(**data))) {
62 ++*data;
63 }
64
65 if (**data == 0) {
66 return false;
67 }
68
69 while ((**data != 0) && (!isspace(**data))) {
70 char cur = **data;
71 if ((cur < '0') || (cur > '9')) {
72 return false;
73 }
74 *num *= 10;
75 *num += cur - '0';
76 ++*data;
77 }
78
79 return true;
80 }
81
82 bool
83 charToNibble(char ascii, int* value) {
84 if (ascii >= '0' && ascii <= '9') {
85 *value = ascii - '0';
86 return true;
87 } else if (ascii >= 'A' && ascii <= 'F') {
88 *value = 10 + ascii - 'A';
89 return true;
90 } else if (ascii >= 'a' && ascii <= 'f') {
91 *value = 10 + ascii - 'a';
92 return true;
93 }
94
95 return false;
96 }
97
98 bool
99 scanAddress(char** data, unsigned long* addr) {
100 *addr = 0;
101
102 // Skip whitespace
103 while ((**data != 0) && (isspace(**data))) {
104 ++*data;
105 }
106
107 if (**data == 0) {
108 return false;
109 }
110
111 if (strncmp(*data, "0x", 2) != 0) {
112 return false;
113 }
114
115 *data += 2;
116
117 while ((**data != 0) && (!isspace(**data))) {
118 int val;
119 bool res = charToNibble(**data, &val);
120 if (!res) {
121 return false;
122 }
123 *addr <<= 4;
124 *addr |= val;
125 ++*data;
126 }
127
128 return true;
129 }
130
131 bool
132 scanAndSkipBinEscapeChar(char** data) {
133 // Skip whitespace
134 while ((**data != 0) && (isspace(**data))) {
135 ++*data;
136 }
137
138 if (!IOBuf::isBinEscapeChar(**data)) {
139 return false;
140 }
141
142 ++*data;
143
144 return true;
145 }
146
147 bool
148 scanBinUnsignedLong(char** data, unsigned long* num) {
149 *num = 0;
150 for (int i = 0; i < 4; i++) {
151 unsigned char val = (unsigned char) **data;
152 *num = (*num << 8) | val;
153 ++*data;
154 }
155 return true;
156 }