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1 /*******************************************************************************
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2
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3 copyright: Copyright (c) 2004 Tango group. All rights reserved
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4
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5 license: BSD style: $(LICENSE)
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6
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7 version: Initial release: July 2006
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8
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9
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10 Various char[] utilities
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11
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12 *******************************************************************************/
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13
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14 module util.string;
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15
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16 private import tango.stdc.string;
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17
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18 // convert uint to char[], within the given buffer
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19 // Returns a valid slice of the populated buffer
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20 char[] intToUtf8 (char[] tmp, size_t val)
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21 in {
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22 assert (tmp.length > 20, "atoi buffer should be 20 or more chars wide");
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23 }
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24 body
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25 {
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26 char* p = tmp.ptr + tmp.length;
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27
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28 do {
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29 *--p = (val % 10) + '0';
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30 } while (val /= 10);
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31
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32 return tmp [cast(size_t)(p - tmp.ptr) .. $];
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33 }
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34
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35
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36 // function to compare two strings
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37 int stringCompare (char[] s1, char[] s2)
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38 {
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39 auto len = s1.length;
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40
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41 if (s2.length < len)
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42 len = s2.length;
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43
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44 int result = memcmp(s1.ptr, s2.ptr, len);
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45
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46 if (result == 0)
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47 result = cast(int)s1.length - cast(int)s2.length;
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48
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49 return result;
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50 }
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