1 /* 2 ********************************************************************** 3 * Copyright (C) 2001-2006, International Business Machines 4 * Corporation and others. All Rights Reserved. 5 ********************************************************************** 6 */ 7 8 #include "cstring.h" 9 #include "ustrfmt.h" 10 11 12 /*** 13 * Fills in a UChar* string with the radix-based representation of a 14 * uint32_t number padded with zeroes to minwidth. The result 15 * will be null terminated if there is room. 16 * 17 * @param buffer UChar buffer to receive result 18 * @param capacity capacity of buffer 19 * @param i the unsigned number to be formatted 20 * @param radix the radix from 2..36 21 * @param minwidth the minimum width. If the result is narrower than 22 * this, '0's will be added on the left. Must be <= 23 * capacity. 24 * @return the length of the result, not including any terminating 25 * null 26 */ 27 U_CAPI int32_t U_EXPORT2 28 uprv_itou (UChar * buffer, int32_t capacity, 29 uint32_t i, uint32_t radix, int32_t minwidth) 30 { 31 int32_t length = 0; 32 int digit; 33 int32_t j; 34 UChar temp; 35 36 do{ 37 digit = (int)(i % radix); 38 buffer[length++]=(UChar)(digit<=9?(0x0030+digit):(0x0030+digit+7)); 39 i=i/radix; 40 } while(i && length<capacity); 41 42 while (length < minwidth){ 43 buffer[length++] = (UChar) 0x0030;/*zero padding */ 44 } 45 /* null terminate the buffer */ 46 if(length<capacity){ 47 buffer[length] = (UChar) 0x0000; 48 } 49 50 /* Reverses the string */ 51 for (j = 0; j < (length / 2); j++){ 52 temp = buffer[(length-1) - j]; 53 buffer[(length-1) - j] = buffer[j]; 54 buffer[j] = temp; 55 } 56 return length; 57 } 58
