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Fix inet_ntop(AF_INET6) buffer length (#582)

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Gavin Hayes 2022-09-04 01:46:45 -04:00 • committed by GitHub
parent 12212894eb
commit 494d74271b
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2 changed files with 8 additions and 8 deletions
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4
libc/sock/inet_ntop.c
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@ -27,7 +27,7 @@
* @param af can be AF_INET or AF_INET6
* @param src is the binary-encoded address, e.g. &addr->sin_addr
* @param dst is the output string buffer
* @param size needs to be 16+ for IPv4 and 72+ for IPv6
* @param size needs to be 16+ for IPv4 and 46+ for IPv6
* @return dst on success or NULL w/ errno
*/
const char *inet_ntop(int af, const void *src, char *dst, uint32_t size) {
@ -52,7 +52,7 @@ const char *inet_ntop(int af, const void *src, char *dst, uint32_t size) {
enospc();
}
} else if (af == AF_INET6) {
if (size >= 16 * 4 + 8) {
if (size >= 46) {
t = 0;
i = 0;
for (i = 0; i < 16; i += 2) {