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In this compliant solution, stringify is declared as an unsigned integer. The value of the result of the right-shift operation is the integral part of the quotient of stringify / 2 ^ 24:
| Code Block | ||||
|---|---|---|---|---|
| ||||
int rc = 0;
unsigned int stringify = 0x80000000;
char buf[sizeof("256")];
rc = snprintf(buf, sizeof(buf), "%u", stringify >> 24);
if (rc == -1 || rc >= sizeof(buf)) {
/* Handle error */
}
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Also, consider using the sprintf_s() function, defined in ISO/IEC TR 24731-1, instead of snprintf() to provide some additional checks. (See STR07-C. Use the bounds-checking interfaces for string manipulation.)
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