| /* |
| ********************************************************************** |
| * Copyright (C) 2001-2004, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ********************************************************************** |
| */ |
| |
| #include "cstring.h" |
| #include "ustrfmt.h" |
| #include <stdio.h> |
| |
| U_CAPI char* U_EXPORT2 |
| uprv_dtostr(double value, char *buffer, int maximumDigits,UBool fixedPoint) |
| { |
| char *itrPtr = buffer + 1; /* skip '-' or a number before the decimal */ |
| char *startPtr; |
| |
| sprintf(buffer,"%f",value); |
| |
| /* Find the decimal point. |
| Some unusal machines use a comma when the system locale changes |
| */ |
| while (isalnum(*itrPtr)) { |
| itrPtr++; |
| } |
| *itrPtr = '.'; |
| |
| /* truncate trailing zeros, except the one after '.' */ |
| startPtr = itrPtr + 1; |
| itrPtr = uprv_strchr(startPtr, 0); |
| while(--itrPtr > startPtr){ |
| if(*itrPtr == '0'){ |
| *itrPtr = 0; |
| }else{ |
| break; |
| } |
| } |
| return buffer; |
| } |
| |
| /*** |
| * Fills in a UChar* string with the radix-based representation of a |
| * uint32_t number padded with zeroes to minwidth. The result |
| * will be null terminated if there is room. |
| * |
| * @param buffer UChar buffer to receive result |
| * @param capacity capacity of buffer |
| * @param i the unsigned number to be formatted |
| * @param radix the radix from 2..36 |
| * @param minwidth the minimum width. If the result is narrower than |
| * this, '0's will be added on the left. Must be <= |
| * capacity. |
| * @return the length of the result, not including any terminating |
| * null |
| */ |
| U_CAPI int32_t U_EXPORT2 |
| uprv_itou (UChar * buffer, int32_t capacity, |
| uint32_t i, uint32_t radix, int32_t minwidth) |
| { |
| int32_t length = 0; |
| int digit; |
| int32_t j; |
| UChar temp; |
| |
| do{ |
| digit = (int)(i % radix); |
| buffer[length++]=(UChar)(digit<=9?(0x0030+digit):(0x0030+digit+7)); |
| i=i/radix; |
| } while(i && length<capacity); |
| |
| while (length < minwidth){ |
| buffer[length++] = (UChar) 0x0030;/*zero padding */ |
| } |
| /* null terminate the buffer */ |
| if(length<capacity){ |
| buffer[length] = (UChar) 0x0000; |
| } |
| |
| /* Reverses the string */ |
| for (j = 0; j < (length / 2); j++){ |
| temp = buffer[(length-1) - j]; |
| buffer[(length-1) - j] = buffer[j]; |
| buffer[j] = temp; |
| } |
| return length; |
| } |