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Extends String to print 64-bit integers (#6768)

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Rodrigo Garcia
2022-05-18 05:24:03 -03:00
committed by GitHub
parent ba6e82c30d
commit 722c4641c4
4 changed files with 115 additions and 0 deletions
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48
cores/esp32/stdlib_noniso.c
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@ -67,6 +67,31 @@ char* ltoa(long value, char* result, int base) {
return result;
}
char* lltoa (long long val, char* result, int base) {
if(base < 2 || base > 16) {
*result = 0;
return result;
}
char* out = result;
long long quotient = val > 0 ? val : -val;
do {
const long long tmp = quotient / base;
*out = "0123456789abcdef"[quotient - (tmp * base)];
++out;
quotient = tmp;
} while(quotient);
// Apply negative sign
if(val < 0)
*out++ = '-';
reverse(result, out);
*out = 0;
return result;
}
char* ultoa(unsigned long value, char* result, int base) {
if(base < 2 || base > 16) {
*result = 0;
@ -88,6 +113,27 @@ char* ultoa(unsigned long value, char* result, int base) {
return result;
}
char* ulltoa (unsigned long long val, char* result, int base) {
if(base < 2 || base > 16) {
*result = 0;
return result;
}
char* out = result;
unsigned long long quotient = val;
do {
const unsigned long long tmp = quotient / base;
*out = "0123456789abcdef"[quotient - (tmp * base)];
++out;
quotient = tmp;
} while(quotient);
reverse(result, out);
*out = 0;
return result;
}
char * dtostrf(double number, signed int width, unsigned int prec, char *s) {
bool negative = false;
@ -160,3 +206,5 @@ char * dtostrf(double number, signed int width, unsigned int prec, char *s) {
*out = 0;
return s;
}