53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
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#include "kttools.h"
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#include <stdint.h>
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/*
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* VARS
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*/
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//Placeholder.
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/*
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* FUNCTIONS
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*/
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//convert digits from int num to buffer buf. in hex. This is 32 bit only for now!
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//WARN: integer is written from right to left into the buffer, and will halt if the buffer is too small.
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/**
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* @brief Convert a hex int to string, up to 32 bits.
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*
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* Converts int "num" into a null-terminated string, placed into buffer "buf".
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* Evaluates from right to left, so left hand digits will be cut off if the buffer is too small
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* Should work for non 32-bit integers actually, but is uint32_t for now.
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*
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* @param num: Value to convert to string
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* @param buf: Memory to place the string into
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* @param size: Size of the memory buffer
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*
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* @return No return value
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*
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*/
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void i_to_str(uint32_t num, char* buf, int size) {
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//null terminate the string
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buf[--size] = '\0';
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while(size > 0 && (num) != 0){
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int isolated_num = num % 0x10;
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if(isolated_num > 9){
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isolated_num+=7;
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}
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buf[--size] = '0' + isolated_num;
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num/=0x10;
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}
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//now shift the whole thing to the left
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if(size != 0) {
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while(buf[size]!='\0') {
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*buf = buf[size];
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buf++;
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}
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*buf = '\0';
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}
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}
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