ACKme / WiConnect

Host library for controlling a WiConnect enabled Wi-Fi module.

Dependents:   wiconnect-ota_example wiconnect-web_setup_example wiconnect-test-console wiconnect-tcp_server_example ... more

api/StringUtil.h@34:2616445d0823, 2014-11-26 (annotated)

Committer:
dan_ackme
Date:
Wed Nov 26 23:46:00 2014 -0800
Revision:
34:2616445d0823
Parent:
29:b6af04b77a56 
added support for out-dated wifi firmware

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dan_ackme 29:b6af04b77a56 1 /**
dan_ackme 29:b6af04b77a56 2 * ACKme WiConnect Host Library is licensed under the BSD licence:
dan_ackme 29:b6af04b77a56 3 *
dan_ackme 29:b6af04b77a56 4 * Copyright (c)2014 ACKme Networks.
dan_ackme 29:b6af04b77a56 5 * All rights reserved.
dan_ackme 29:b6af04b77a56 6 *
dan_ackme 29:b6af04b77a56 7 * Redistribution and use in source and binary forms, with or without modification,
dan_ackme 29:b6af04b77a56 8 * are permitted provided that the following conditions are met:
dan_ackme 29:b6af04b77a56 9 *
dan_ackme 29:b6af04b77a56 10 * 1. Redistributions of source code must retain the above copyright notice,
dan_ackme 29:b6af04b77a56 11 * this list of conditions and the following disclaimer.
dan_ackme 29:b6af04b77a56 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
dan_ackme 29:b6af04b77a56 13 * this list of conditions and the following disclaimer in the documentation
dan_ackme 29:b6af04b77a56 14 * and/or other materials provided with the distribution.
dan_ackme 29:b6af04b77a56 15 * 3. The name of the author may not be used to endorse or promote products
dan_ackme 29:b6af04b77a56 16 * derived from this software without specific prior written permission.
dan_ackme 29:b6af04b77a56 17 *
dan_ackme 29:b6af04b77a56 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED
dan_ackme 29:b6af04b77a56 19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
dan_ackme 29:b6af04b77a56 20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
dan_ackme 29:b6af04b77a56 21 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
dan_ackme 29:b6af04b77a56 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
dan_ackme 29:b6af04b77a56 23 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
dan_ackme 29:b6af04b77a56 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
dan_ackme 29:b6af04b77a56 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
dan_ackme 29:b6af04b77a56 26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
dan_ackme 29:b6af04b77a56 27 * OF SUCH DAMAGE.
dan_ackme 29:b6af04b77a56 28 */
dan_ackme 29:b6af04b77a56 29 #pragma once
dan_ackme 29:b6af04b77a56 30
dan_ackme 29:b6af04b77a56 31
dan_ackme 29:b6af04b77a56 32 #include <string.h>
dan_ackme 29:b6af04b77a56 33 #include <ctype.h>
dan_ackme 29:b6af04b77a56 34 #include <stdint.h>
dan_ackme 29:b6af04b77a56 35 #include <limits.h>
dan_ackme 29:b6af04b77a56 36
dan_ackme 29:b6af04b77a56 37
dan_ackme 29:b6af04b77a56 38 #ifdef WICONNECT_USE_STRTOLL
dan_ackme 29:b6af04b77a56 39 // Necessary to get strtoll in C99 mode.
dan_ackme 29:b6af04b77a56 40 // http://sourceware.org/ml/newlib/2012/msg00425.html
dan_ackme 29:b6af04b77a56 41 extern long long strtoll(const char *__n, char **__end_PTR, int __base);
dan_ackme 29:b6af04b77a56 42 #endif
dan_ackme 29:b6af04b77a56 43
dan_ackme 29:b6af04b77a56 44
dan_ackme 29:b6af04b77a56 45 class StringUtil
dan_ackme 29:b6af04b77a56 46 {
dan_ackme 29:b6af04b77a56 47
dan_ackme 29:b6af04b77a56 48 public:
dan_ackme 29:b6af04b77a56 49 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 50 // Helper to find an occurrence of a delimiter string,
dan_ackme 29:b6af04b77a56 51 // insert '\0' in its place and return string after
dan_ackme 29:b6af04b77a56 52 // the delimiter e.g.
dan_ackme 29:b6af04b77a56 53 // if char s[] = "foo://bar";
dan_ackme 29:b6af04b77a56 54 // - strchop(s, "://") returns "bar"
dan_ackme 29:b6af04b77a56 55 // - s becomes "foo"
dan_ackme 29:b6af04b77a56 56 static char *chop(char *haystack, const char *needle)
dan_ackme 29:b6af04b77a56 57 {
dan_ackme 29:b6af04b77a56 58 if (!haystack)
dan_ackme 29:b6af04b77a56 59 {
dan_ackme 29:b6af04b77a56 60 return NULL;
dan_ackme 29:b6af04b77a56 61 }
dan_ackme 29:b6af04b77a56 62 char *end = strstr(haystack, needle);
dan_ackme 29:b6af04b77a56 63 if (end)
dan_ackme 29:b6af04b77a56 64 {
dan_ackme 29:b6af04b77a56 65 *end = '\0';
dan_ackme 29:b6af04b77a56 66 return end + strlen(needle);
dan_ackme 29:b6af04b77a56 67 }
dan_ackme 29:b6af04b77a56 68 return NULL;
dan_ackme 29:b6af04b77a56 69 }
dan_ackme 29:b6af04b77a56 70
dan_ackme 29:b6af04b77a56 71 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 72 // Check if string is non-null and non-empty.
dan_ackme 29:b6af04b77a56 73 static bool empty(const char *s)
dan_ackme 29:b6af04b77a56 74 {
dan_ackme 29:b6af04b77a56 75 return !(s && *s);
dan_ackme 29:b6af04b77a56 76 }
dan_ackme 29:b6af04b77a56 77
dan_ackme 29:b6af04b77a56 78 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 79 static bool isSpace(const char *s)
dan_ackme 29:b6af04b77a56 80 {
dan_ackme 29:b6af04b77a56 81 while(*s != 0)
dan_ackme 29:b6af04b77a56 82 {
dan_ackme 29:b6af04b77a56 83 if(!isspace((uint8_t)*s++))
dan_ackme 29:b6af04b77a56 84 return false;
dan_ackme 29:b6af04b77a56 85 }
dan_ackme 29:b6af04b77a56 86 return true;
dan_ackme 29:b6af04b77a56 87 }
dan_ackme 29:b6af04b77a56 88
dan_ackme 29:b6af04b77a56 89 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 90 // Convert null-terminated string to lower case.
dan_ackme 29:b6af04b77a56 91 // ASCII charset only.
dan_ackme 29:b6af04b77a56 92 static void toLower(char *s)
dan_ackme 29:b6af04b77a56 93 {
dan_ackme 29:b6af04b77a56 94 for (; *s; ++s)
dan_ackme 29:b6af04b77a56 95 {
dan_ackme 29:b6af04b77a56 96 *s = tolower((int) * s);
dan_ackme 29:b6af04b77a56 97 }
dan_ackme 29:b6af04b77a56 98 }
dan_ackme 29:b6af04b77a56 99
dan_ackme 29:b6af04b77a56 100 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 101 // Combination of strip left + right.
dan_ackme 29:b6af04b77a56 102 static char *strip(char *s, const char *chars)
dan_ackme 29:b6af04b77a56 103 {
dan_ackme 29:b6af04b77a56 104 return rightStrip(leftStrip(s, chars), chars);
dan_ackme 29:b6af04b77a56 105 }
dan_ackme 29:b6af04b77a56 106
dan_ackme 29:b6af04b77a56 107 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 108 // Strip string from the left.
dan_ackme 29:b6af04b77a56 109 // Returns pointer into the input string.
dan_ackme 29:b6af04b77a56 110 static char *leftStrip(char *s, const char *chars)
dan_ackme 29:b6af04b77a56 111 {
dan_ackme 29:b6af04b77a56 112 return s + strspn(s, chars);
dan_ackme 29:b6af04b77a56 113 }
dan_ackme 29:b6af04b77a56 114
dan_ackme 29:b6af04b77a56 115 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 116 // Strip string from the right.
dan_ackme 29:b6af04b77a56 117 // Modified in place.
dan_ackme 29:b6af04b77a56 118 static char *rightStrip(char *s, const char *chars)
dan_ackme 29:b6af04b77a56 119 {
dan_ackme 29:b6af04b77a56 120 char *end = s + strlen(s) - 1;
dan_ackme 29:b6af04b77a56 121 while (end > s && strstr(chars, end))
dan_ackme 29:b6af04b77a56 122 {
dan_ackme 29:b6af04b77a56 123 *end-- = '\0';
dan_ackme 29:b6af04b77a56 124 }
dan_ackme 29:b6af04b77a56 125 return s;
dan_ackme 29:b6af04b77a56 126 }
dan_ackme 29:b6af04b77a56 127
dan_ackme 29:b6af04b77a56 128 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 129 // Parse decimal integer and check if it's in bounds [min, max].
dan_ackme 29:b6af04b77a56 130 static bool parseInt(const char *s, intmax_t *result, intmax_t min, intmax_t max)
dan_ackme 29:b6af04b77a56 131 {
dan_ackme 29:b6af04b77a56 132 return parseBase(s, result, min, max, 10);
dan_ackme 29:b6af04b77a56 133 }
dan_ackme 29:b6af04b77a56 134
dan_ackme 29:b6af04b77a56 135 // Parse hexadecimal integer and check if it's in bounds [min, max].
dan_ackme 29:b6af04b77a56 136 static bool parseHex(const char *s, intmax_t *result, intmax_t min, intmax_t max)
dan_ackme 29:b6af04b77a56 137 {
dan_ackme 29:b6af04b77a56 138 return parseBase(s, result, min, max, 16);
dan_ackme 29:b6af04b77a56 139 }
dan_ackme 29:b6af04b77a56 140
dan_ackme 29:b6af04b77a56 141 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 142 static bool parseBase(const char *s, intmax_t *result, intmax_t min, intmax_t max, int base)
dan_ackme 29:b6af04b77a56 143 {
dan_ackme 29:b6af04b77a56 144 if (!s)
dan_ackme 29:b6af04b77a56 145 {
dan_ackme 29:b6af04b77a56 146 return false;
dan_ackme 29:b6af04b77a56 147 }
dan_ackme 29:b6af04b77a56 148 char *end;
dan_ackme 29:b6af04b77a56 149 #ifdef WICONNECT_USE_STRTOLL
dan_ackme 29:b6af04b77a56 150 intmax_t value = strtoll(s, &end, base);
dan_ackme 29:b6af04b77a56 151 #else
dan_ackme 29:b6af04b77a56 152 intmax_t value = strtol(s, &end, base);
dan_ackme 29:b6af04b77a56 153 #endif
dan_ackme 29:b6af04b77a56 154 if (*end || value < min || value > max)
dan_ackme 29:b6af04b77a56 155 {
dan_ackme 29:b6af04b77a56 156 return false;
dan_ackme 29:b6af04b77a56 157 }
dan_ackme 29:b6af04b77a56 158 *result = value;
dan_ackme 29:b6af04b77a56 159 return true;
dan_ackme 29:b6af04b77a56 160 }
dan_ackme 29:b6af04b77a56 161
dan_ackme 29:b6af04b77a56 162 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 163 // Parse an long long integer.
dan_ackme 29:b6af04b77a56 164 static bool parseBool(const char *onoff, bool *var)
dan_ackme 29:b6af04b77a56 165 {
dan_ackme 29:b6af04b77a56 166 const char* const on_vals[] =
dan_ackme 29:b6af04b77a56 167 {
dan_ackme 29:b6af04b77a56 168 "1",
dan_ackme 29:b6af04b77a56 169 "on",
dan_ackme 29:b6af04b77a56 170 "true",
dan_ackme 29:b6af04b77a56 171 "yes",
dan_ackme 29:b6af04b77a56 172 };
dan_ackme 29:b6af04b77a56 173
dan_ackme 29:b6af04b77a56 174 for(uint8_t i = 0; i < ARRAY_COUNT(on_vals); ++i)
dan_ackme 29:b6af04b77a56 175 {
dan_ackme 29:b6af04b77a56 176 if(strcasecmp(on_vals[i], onoff) == 0)
dan_ackme 29:b6af04b77a56 177 {
dan_ackme 29:b6af04b77a56 178 *var = true;
dan_ackme 29:b6af04b77a56 179 return true;
dan_ackme 29:b6af04b77a56 180 }
dan_ackme 29:b6af04b77a56 181 }
dan_ackme 29:b6af04b77a56 182
dan_ackme 29:b6af04b77a56 183 const char* const off_vals[] =
dan_ackme 29:b6af04b77a56 184 {
dan_ackme 29:b6af04b77a56 185 "0",
dan_ackme 29:b6af04b77a56 186 "false",
dan_ackme 29:b6af04b77a56 187 "no",
dan_ackme 29:b6af04b77a56 188 "off",
dan_ackme 29:b6af04b77a56 189 NULL
dan_ackme 29:b6af04b77a56 190 };
dan_ackme 29:b6af04b77a56 191 for(uint8_t i = 0; i < ARRAY_COUNT(off_vals); ++i)
dan_ackme 29:b6af04b77a56 192 {
dan_ackme 29:b6af04b77a56 193 if(strcasecmp(off_vals[i], onoff) == 0)
dan_ackme 29:b6af04b77a56 194 {
dan_ackme 29:b6af04b77a56 195 *var = false;
dan_ackme 29:b6af04b77a56 196 return true;
dan_ackme 29:b6af04b77a56 197 }
dan_ackme 29:b6af04b77a56 198 }
dan_ackme 29:b6af04b77a56 199
dan_ackme 29:b6af04b77a56 200 return false;
dan_ackme 29:b6af04b77a56 201 }
dan_ackme 29:b6af04b77a56 202
dan_ackme 29:b6af04b77a56 203 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 204 // convert binary data to hex string
dan_ackme 29:b6af04b77a56 205 static void binToHex(char *dst, int max_dst, const void *data, int data_len)
dan_ackme 29:b6af04b77a56 206 {
dan_ackme 29:b6af04b77a56 207 char *end = dst + max_dst - 1;
dan_ackme 29:b6af04b77a56 208 for (int i = 0; i < data_len; ++i)
dan_ackme 29:b6af04b77a56 209 {
dan_ackme 29:b6af04b77a56 210 if (dst < end)
dan_ackme 29:b6af04b77a56 211 {
dan_ackme 29:b6af04b77a56 212 dst += sprintf(dst, "%2.2x", ((uint8_t *)data)[i]);
dan_ackme 29:b6af04b77a56 213 }
dan_ackme 29:b6af04b77a56 214 }
dan_ackme 29:b6af04b77a56 215 }
dan_ackme 29:b6af04b77a56 216
dan_ackme 29:b6af04b77a56 217
dan_ackme 29:b6af04b77a56 218 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 219 // Parse binary data into hex string
dan_ackme 29:b6af04b77a56 220 // the input buffer MUST be len*2 long
dan_ackme 29:b6af04b77a56 221 // as the parsing is destructive and done in-place
dan_ackme 29:b6af04b77a56 222 static void binToHex(void *h, int len)
dan_ackme 29:b6af04b77a56 223 {
dan_ackme 29:b6af04b77a56 224 char *dst = (char*)h;
dan_ackme 29:b6af04b77a56 225 char *src= (char*)h+len;
dan_ackme 29:b6af04b77a56 226
dan_ackme 29:b6af04b77a56 227 memmove(src, dst, len);
dan_ackme 29:b6af04b77a56 228
dan_ackme 29:b6af04b77a56 229 while(len--)
dan_ackme 29:b6af04b77a56 230 {
dan_ackme 29:b6af04b77a56 231 sprintf(dst, "%2.2X", (unsigned int)(*src & 0xff));
dan_ackme 29:b6af04b77a56 232 dst += 2;
dan_ackme 29:b6af04b77a56 233 ++src;
dan_ackme 29:b6af04b77a56 234 }
dan_ackme 29:b6af04b77a56 235 }
dan_ackme 29:b6af04b77a56 236
dan_ackme 29:b6af04b77a56 237
dan_ackme 29:b6af04b77a56 238 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 239 // Parses hex representation of binary data destructively.
dan_ackme 29:b6af04b77a56 240 // Returns number of bytes parsed or -1 on error.
dan_ackme 29:b6af04b77a56 241 static int hexToBin(char *s)
dan_ackme 29:b6af04b77a56 242 {
dan_ackme 29:b6af04b77a56 243 int len, i, j;
dan_ackme 29:b6af04b77a56 244 len = strlen(s);
dan_ackme 29:b6af04b77a56 245 if (len % 2)
dan_ackme 29:b6af04b77a56 246 {
dan_ackme 29:b6af04b77a56 247 return -1;
dan_ackme 29:b6af04b77a56 248 }
dan_ackme 29:b6af04b77a56 249 for (i = j = 0; i < len; i += 2, j++)
dan_ackme 29:b6af04b77a56 250 {
dan_ackme 29:b6af04b77a56 251 const int num = hexToInt(&s[i]);
dan_ackme 29:b6af04b77a56 252 if(num == -1)
dan_ackme 29:b6af04b77a56 253 return -1;
dan_ackme 29:b6af04b77a56 254 s[j] = (char)num;
dan_ackme 29:b6af04b77a56 255 }
dan_ackme 29:b6af04b77a56 256 return j;
dan_ackme 29:b6af04b77a56 257 }
dan_ackme 29:b6af04b77a56 258
dan_ackme 29:b6af04b77a56 259 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 260 // hex string to integer, returns -1 on error
dan_ackme 29:b6af04b77a56 261 static int hexToInt(const char *hex_str)
dan_ackme 29:b6af04b77a56 262 {
dan_ackme 29:b6af04b77a56 263 int hi = hexToNibble(*hex_str);
dan_ackme 29:b6af04b77a56 264 int lo = hexToNibble(*(hex_str+1));
dan_ackme 29:b6af04b77a56 265 if (hi == -1 || lo == -1)
dan_ackme 29:b6af04b77a56 266 {
dan_ackme 29:b6af04b77a56 267 return -1;
dan_ackme 29:b6af04b77a56 268 }
dan_ackme 29:b6af04b77a56 269 return (hi << 4) | lo;
dan_ackme 29:b6af04b77a56 270 }
dan_ackme 29:b6af04b77a56 271
dan_ackme 29:b6af04b77a56 272 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 273 static int hexToNibble(char c)
dan_ackme 29:b6af04b77a56 274 {
dan_ackme 29:b6af04b77a56 275 if (c >= '0' && c <= '9')
dan_ackme 29:b6af04b77a56 276 {
dan_ackme 29:b6af04b77a56 277 return c - '0';
dan_ackme 29:b6af04b77a56 278 }
dan_ackme 29:b6af04b77a56 279 if (c >= 'a' && c <= 'f')
dan_ackme 29:b6af04b77a56 280 {
dan_ackme 29:b6af04b77a56 281 return 10 + (c - 'a');
dan_ackme 29:b6af04b77a56 282 }
dan_ackme 29:b6af04b77a56 283 if (c >= 'A' && c <= 'F')
dan_ackme 29:b6af04b77a56 284 {
dan_ackme 29:b6af04b77a56 285 return 10 + (c - 'A');
dan_ackme 29:b6af04b77a56 286 }
dan_ackme 29:b6af04b77a56 287 return -1;
dan_ackme 29:b6af04b77a56 288 }
dan_ackme 29:b6af04b77a56 289
dan_ackme 29:b6af04b77a56 290 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 291 static const char* uint32ToStr(char* intStrBuffer, int integer)
dan_ackme 29:b6af04b77a56 292 {
dan_ackme 29:b6af04b77a56 293 sprintf(intStrBuffer, "%u", integer);
dan_ackme 29:b6af04b77a56 294 return intStrBuffer;
dan_ackme 29:b6af04b77a56 295 }
dan_ackme 29:b6af04b77a56 296
dan_ackme 29:b6af04b77a56 297 /*************************************************************************************************/
dan_ackme 34:2616445d0823 298 static const char* hexToStr(char* intStrBuffer, uint32_t hexInteger)
dan_ackme 34:2616445d0823 299 {
dan_ackme 34:2616445d0823 300 sprintf(intStrBuffer, "%X", hexInteger);
dan_ackme 34:2616445d0823 301 return intStrBuffer;
dan_ackme 34:2616445d0823 302 }
dan_ackme 34:2616445d0823 303
dan_ackme 34:2616445d0823 304 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 305 static bool strToUint32(const char *str, uint32_t *uint32Ptr)
dan_ackme 29:b6af04b77a56 306 {
dan_ackme 29:b6af04b77a56 307 intmax_t r;
dan_ackme 29:b6af04b77a56 308 bool result = (str[0] == '0' && str[1] == 'x') ? StringUtil::parseHex(&str[2], &r, 0, UINT_MAX): StringUtil::parseInt(str, &r, 0, UINT_MAX);
dan_ackme 29:b6af04b77a56 309 *uint32Ptr = (uint32_t)r;
dan_ackme 29:b6af04b77a56 310 return result;
dan_ackme 29:b6af04b77a56 311 }
dan_ackme 29:b6af04b77a56 312
dan_ackme 29:b6af04b77a56 313
dan_ackme 29:b6af04b77a56 314 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 315 static bool strToUint16(const char *str, uint16_t *uint16Ptr)
dan_ackme 29:b6af04b77a56 316 {
dan_ackme 29:b6af04b77a56 317 intmax_t r;
dan_ackme 29:b6af04b77a56 318 bool result = StringUtil::parseInt(str, &r, 0, USHRT_MAX);
dan_ackme 29:b6af04b77a56 319 *uint16Ptr = (uint16_t)r;
dan_ackme 29:b6af04b77a56 320 return result;
dan_ackme 29:b6af04b77a56 321 }
dan_ackme 29:b6af04b77a56 322
dan_ackme 29:b6af04b77a56 323 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 324 static bool strToUint8(const char *str, uint8_t *uint8Ptr)
dan_ackme 29:b6af04b77a56 325 {
dan_ackme 29:b6af04b77a56 326 intmax_t r;
dan_ackme 29:b6af04b77a56 327 bool result = StringUtil::parseInt(str, &r, 0, UCHAR_MAX);
dan_ackme 29:b6af04b77a56 328 *uint8Ptr = (uint8_t)r;
dan_ackme 29:b6af04b77a56 329 return result;
dan_ackme 29:b6af04b77a56 330 }
dan_ackme 29:b6af04b77a56 331
dan_ackme 29:b6af04b77a56 332 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 333 static bool strToInt32(const char *str, int32_t *int32Ptr)
dan_ackme 29:b6af04b77a56 334 {
dan_ackme 29:b6af04b77a56 335 intmax_t r;
dan_ackme 29:b6af04b77a56 336 bool result = StringUtil::parseInt(str, &r, INT_MIN, INT_MAX);
dan_ackme 29:b6af04b77a56 337 *int32Ptr = (int32_t)r;
dan_ackme 29:b6af04b77a56 338 return result;
dan_ackme 29:b6af04b77a56 339 }
dan_ackme 29:b6af04b77a56 340
dan_ackme 29:b6af04b77a56 341 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 342 // uint32 hex string to uint32
dan_ackme 29:b6af04b77a56 343 static bool strHexToUint32(const char *strHex, uint32_t *uint32Ptr)
dan_ackme 29:b6af04b77a56 344 {
dan_ackme 29:b6af04b77a56 345 intmax_t r;
dan_ackme 29:b6af04b77a56 346 bool result = StringUtil::parseHex(strHex, &r, 0, UINT_MAX);
dan_ackme 29:b6af04b77a56 347 *uint32Ptr = (uint32_t)r;
dan_ackme 29:b6af04b77a56 348 return result;
dan_ackme 29:b6af04b77a56 349 }
dan_ackme 29:b6af04b77a56 350
dan_ackme 29:b6af04b77a56 351 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 352 static char *strtok_r(char *str, const char *delim, char **nextp)
dan_ackme 29:b6af04b77a56 353 {
dan_ackme 29:b6af04b77a56 354 char *ret;
dan_ackme 29:b6af04b77a56 355
dan_ackme 29:b6af04b77a56 356 if (str == NULL)
dan_ackme 29:b6af04b77a56 357 {
dan_ackme 29:b6af04b77a56 358 str = *nextp;
dan_ackme 29:b6af04b77a56 359 }
dan_ackme 29:b6af04b77a56 360
dan_ackme 29:b6af04b77a56 361 str += strspn(str, delim);
dan_ackme 29:b6af04b77a56 362
dan_ackme 29:b6af04b77a56 363 if (*str == '\0')
dan_ackme 29:b6af04b77a56 364 {
dan_ackme 29:b6af04b77a56 365 return NULL;
dan_ackme 29:b6af04b77a56 366 }
dan_ackme 29:b6af04b77a56 367
dan_ackme 29:b6af04b77a56 368 ret = str;
dan_ackme 29:b6af04b77a56 369
dan_ackme 29:b6af04b77a56 370 str += strcspn(str, delim);
dan_ackme 29:b6af04b77a56 371
dan_ackme 29:b6af04b77a56 372 if (*str)
dan_ackme 29:b6af04b77a56 373 {
dan_ackme 29:b6af04b77a56 374 *str++ = '\0';
dan_ackme 29:b6af04b77a56 375 }
dan_ackme 29:b6af04b77a56 376
dan_ackme 29:b6af04b77a56 377 *nextp = str;
dan_ackme 29:b6af04b77a56 378
dan_ackme 29:b6af04b77a56 379 return ret;
dan_ackme 29:b6af04b77a56 380 }
dan_ackme 29:b6af04b77a56 381
dan_ackme 29:b6af04b77a56 382 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 383 static int strncasecmp(const char *s1, const char *s2, int n)
dan_ackme 29:b6af04b77a56 384 {
dan_ackme 29:b6af04b77a56 385 if (n == 0)
dan_ackme 29:b6af04b77a56 386 return 0;
dan_ackme 29:b6af04b77a56 387
dan_ackme 29:b6af04b77a56 388 while (n-- != 0 && tolower(*s1) == tolower(*s2))
dan_ackme 29:b6af04b77a56 389 {
dan_ackme 29:b6af04b77a56 390 if (n == 0 || *s1 == '\0' || *s2 == '\0')
dan_ackme 29:b6af04b77a56 391 break;
dan_ackme 29:b6af04b77a56 392 s1++;
dan_ackme 29:b6af04b77a56 393 s2++;
dan_ackme 29:b6af04b77a56 394 }
dan_ackme 29:b6af04b77a56 395
dan_ackme 29:b6af04b77a56 396 return tolower(*(unsigned char *) s1) - tolower(*(unsigned char *) s2);
dan_ackme 29:b6af04b77a56 397 }
dan_ackme 29:b6af04b77a56 398
dan_ackme 29:b6af04b77a56 399 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 400 static int strcasecmp(const char *s1, const char *s2)
dan_ackme 29:b6af04b77a56 401 {
dan_ackme 29:b6af04b77a56 402 register const unsigned char *p1 = (const unsigned char *) s1;
dan_ackme 29:b6af04b77a56 403 register const unsigned char *p2 = (const unsigned char *) s2;
dan_ackme 29:b6af04b77a56 404 unsigned char c1, c2;
dan_ackme 29:b6af04b77a56 405
dan_ackme 29:b6af04b77a56 406 if (p1 == p2)
dan_ackme 29:b6af04b77a56 407 return 0;
dan_ackme 29:b6af04b77a56 408
dan_ackme 29:b6af04b77a56 409 do
dan_ackme 29:b6af04b77a56 410 {
dan_ackme 29:b6af04b77a56 411 c1 = tolower (*p1);
dan_ackme 29:b6af04b77a56 412 c2 = tolower (*p2);
dan_ackme 29:b6af04b77a56 413
dan_ackme 29:b6af04b77a56 414 if (c1 == '\0')
dan_ackme 29:b6af04b77a56 415 break;
dan_ackme 29:b6af04b77a56 416
dan_ackme 29:b6af04b77a56 417 ++p1;
dan_ackme 29:b6af04b77a56 418 ++p2;
dan_ackme 29:b6af04b77a56 419 }
dan_ackme 29:b6af04b77a56 420 while (c1 == c2);
dan_ackme 29:b6af04b77a56 421
dan_ackme 29:b6af04b77a56 422 if (UCHAR_MAX <= INT_MAX)
dan_ackme 29:b6af04b77a56 423 return c1 - c2;
dan_ackme 29:b6af04b77a56 424 else
dan_ackme 29:b6af04b77a56 425 /* On machines where 'char' and 'int' are types of the same size, the
dan_ackme 29:b6af04b77a56 426 difference of two 'unsigned char' values - including the sign bit -
dan_ackme 29:b6af04b77a56 427 doesn't fit in an 'int'. */
dan_ackme 29:b6af04b77a56 428 return (c1 > c2 ? 1 : c1 < c2 ? -1 : 0);
dan_ackme 29:b6af04b77a56 429 }
dan_ackme 29:b6af04b77a56 430 };