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comparison src/gpf2/misc/tools.c @ 294:cd37d228dae0

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src/gpf2/{misc,tst}: import from TCS211 semi-src with CRLF line endings and directory name capitalization cleaned up
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 21 Oct 2017 01:12:15 +0000
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293:5b2ebc94cae4 294:cd37d228dae0
1 /*
2 +------------------------------------------------------------------------------
3 | File: tools.c
4 +------------------------------------------------------------------------------
5 | Copyright 2002 Texas Instruments Berlin, AG
6 | All rights reserved.
7 |
8 | This file is confidential and a trade secret of Texas
9 | Instruments Berlin, AG
10 | The receipt of or possession of this file does not convey
11 | any rights to reproduce or disclose its contents or to
12 | manufacture, use, or sell anything it may describe, in
13 | whole, or in part, without the specific written consent of
14 | Texas Instruments Berlin, AG.
15 +-----------------------------------------------------------------------------
16 | Purpose : This module implements some format conversion functions.
17 +-----------------------------------------------------------------------------
18 */
19
20 #ifndef __TOOLS_C__
21 #define __TOOLS_C__
22 #endif
23
24 /*==== INCLUDES ===================================================*/
25
26 #include "typedefs.h"
27 #include <string.h>
28 #include <ctype.h>
29 #include "vsi.h"
30 #include "tools.h"
31
32 /*==== TYPES ======================================================*/
33
34
35 /*==== CONSTANTS ==================================================*/
36
37
38 /*==== EXTERNALS ==================================================*/
39
40
41 /*==== VARIABLES ==================================================*/
42
43
44 /*==== FUNCTIONS ==================================================*/
45
46
47
48 #ifndef RUN_INT_RAM
49 /*
50 +------------------------------------------------------------------------------
51 | Function : GetNextToken
52 +------------------------------------------------------------------------------
53 | Description : Exract text until next separator.
54 |
55 | Parameters : source - where to search
56 | token - destination for text
57 | seperator - sperator
58 |
59 | Return : string length of token
60 +------------------------------------------------------------------------------
61 */
62 unsigned int GetNextToken (char *source, char *token, char const *seperators)
63 {
64 unsigned int i, j, k, sep_len, src_len;
65 BOOL sepFound = FALSE;
66
67 sep_len = strlen (seperators);
68 src_len = strlen (source);
69
70 i = 0;
71 j = 0;
72 k = 0;
73
74 do
75 {
76 j = 0;
77 sepFound = FALSE;
78
79 while (j < sep_len)
80 {
81 if (source[i] EQ seperators[j])
82 sepFound = TRUE;
83 j++;
84 }
85 if (sepFound)
86 i++;
87 }
88 while (i < src_len AND sepFound);
89
90 sepFound = FALSE;
91
92 while (!sepFound AND i < src_len)
93 {
94 j = 0;
95 while (!sepFound AND j < sep_len)
96 {
97 if (source[i] EQ seperators[j])
98 sepFound = TRUE;
99 else
100 j++;
101 }
102
103 if (!sepFound)
104 token[k++] = source[i++];
105 }
106 token[k] = '\0';
107
108 return strlen (token);
109 }
110 #endif
111
112 #ifndef RUN_FLASH
113 /*
114 +------------------------------------------------------------------------------
115 | Function : HexToASCII
116 +------------------------------------------------------------------------------
117 | Description : Convert hexadecimal value to ASCII string.
118 |
119 | Parameters : value - value to be converted
120 | *ptr - destination for string
121 | num - number of characters
122 |
123 | Return : pointer behind the end of string
124 +------------------------------------------------------------------------------
125 */
126 char *HexToASCII (ULONG value, char *ptr, int num)
127 {
128 UBYTE i;
129 char v;
130
131 ptr += (num-1);
132
133 for (i=0; i<num ;i++)
134 {
135 v = (char)(value & 0x000000f);
136
137 value >>= 4;
138
139 if (v > 9)
140 v += ('A'-10);
141 else
142 v += '0';
143
144 *ptr-- = v;
145 }
146
147 return(ptr+num+1);
148 }
149 #endif
150
151 #ifndef RUN_INT_RAM
152 /*
153 +------------------------------------------------------------------------------
154 | Function : ASCIIToHex
155 +------------------------------------------------------------------------------
156 | Description : Convert ASCII string to hexadecimal value.
157 |
158 | Parameters : *ptr - string to be converted
159 | num - number of characters
160 |
161 | Return : value
162 +------------------------------------------------------------------------------
163 */
164 unsigned int ASCIIToHex (char *ptr, int num)
165 {
166 unsigned int i;
167 unsigned int result = 0;
168 unsigned int len;
169 char c;
170
171 len = strlen(ptr);
172 if ( len < (unsigned int)num )
173 num = (int)len;
174
175 ptr += (num-1);
176
177 for (i=0; i < (unsigned int)num; i++)
178 {
179 if (isxdigit (*ptr) )
180 {
181 if (*ptr > '9')
182 c = *ptr-- - 'A' + 10;
183 else
184 c = *ptr-- - '0';
185
186 /*lint -e701 suppress Info -- shift left of signed quantity */
187 result += (c << (i*4));
188 /*lint +e701 */
189 }
190 }
191 return result;
192 }
193 #endif
194
195 #ifndef RUN_FLASH
196 /*
197 +------------------------------------------------------------------------------
198 | Function : InsertString
199 +------------------------------------------------------------------------------
200 | Description : write a string into the buffer. If the string has less than
201 | 'num' characters, spaces are added.
202 |
203 | Parameters : *string - string to be written
204 | *ptr - pointer to destination
205 | num - number of characters to be filled
206 |
207 | Return : pointer to next character
208 +------------------------------------------------------------------------------
209 */
210 char *InsertString (char *string, char *ptr, int num)
211 {
212 UBYTE i;
213 BYTE end_detected = FALSE;
214
215 for (i=0;i<num;i++)
216 {
217 if (end_detected)
218 *ptr++ = ' ';
219 else
220 {
221 if (string [i] == 0)
222 {
223 end_detected = TRUE;
224 *ptr++ = ' ';
225 }
226 else
227 *ptr++ = string [i];
228 }
229 }
230 return(ptr);
231 }
232 #endif
233
234
235 #ifndef RUN_INT_RAM
236 /*
237 +------------------------------------------------------------------------------
238 | Function : rm_path
239 +------------------------------------------------------------------------------
240 | Description : remove path name from file name
241 |
242 | Parameters : *file - file name
243 |
244 | Return : file name without path information
245 |
246 +------------------------------------------------------------------------------
247 */
248 char *rm_path ( const char *file )
249 {
250 char *end;
251
252 /*
253 * to avoid crashes in case the passed parameter file is a pointer to
254 * anywhere it is checked if file begins with a character that is allowed
255 * at the beginning of file/path names (any alpanumeric character, '.', '/',
256 * and '\')
257 */
258 if ( isalpha(*file) == 0 && *file != '.' && *file != '/' && *file != '\\' )
259 return ((char*)"NO VALID FILENAME");
260
261 end = (char*)file + strlen(file);
262
263 while ((*end != 0x2f) && (*end != 0x5c) && (end >= (char*)file))
264 end--;
265
266 return end + 1;
267 }
268 #endif