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#include <string.h>
/* itoa: convert n to characters in s */
template <typename T, int base = 10>
constexpr size_t itoa(T n, char s[]) {
const bool is_negative = (n < 0);
if constexpr (!is_unsigned<T>()) {
if (n < 0)
n = -n;
}
int i = 0;
do { /* generate digits in reverse order */
s[i++] = "0123456789abcdef"[n % base]; /* get next digit */
} while ((n /= base) > 0); /* delete it */
if (is_negative)
s[i++] = '-';
s[i] = '\0';
// reverse(s, i);
return i;
}
IntegerView::IntegerView(int32_t n) {
length = itoa(n, buffer);
}
IntegerView::IntegerView(HexFormat_int32 f) {
length = itoa<int32_t, 16>(f.n, buffer);
buffer[length++] = 'x';
buffer[length++] = '0';
}
IntegerView::IntegerView(HexFormat_uint32 f) {
length = itoa<uint32_t, 16>(f.n, buffer);
buffer[length++] = 'x';
buffer[length++] = '0';
}
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