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Fix inet_pton by passing in base instead of getting it out (#557)

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This commit is contained in:
Vicki Pfau 2021-06-24 13:21:27 -07:00
parent 3c9a623b24
commit 9492342fb2
1 changed files with 13 additions and 14 deletions
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27
nx/source/runtime/util/inet_addr.c
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@ -10,7 +10,7 @@ const struct in6_addr in6addr_any = {0};
const struct in6_addr in6addr_loopback = {.__u6_addr32 = {0, 0, 0, __builtin_bswap32(1)}};
// Adapted from libctru
static int _inetAtonDetail(int *outBase, size_t *outNumBytes, const char *cp, struct in_addr *inp) {
static int _inetAtonDetail(int inBase, size_t *outNumBytes, const char *cp, struct in_addr *inp) {
int base;
uint32_t val;
int c;
@ -22,14 +22,17 @@ static int _inetAtonDetail(int *outBase, size_t *outNumBytes, const char *cp, st
if(!isdigit(c)) return 0;
val = 0;
base = 10;
if(c == '0') {
c = *++cp;
if(c == 'x' || c == 'X') {
base = 16;
base = inBase;
if(!base) {
base = 10;
if(c == '0') {
c = *++cp;
if(c == 'x' || c == 'X') {
base = 16;
c = *++cp;
}
else base = 8;
}
else base = 8;
}
for(;;) {
@ -58,7 +61,6 @@ static int _inetAtonDetail(int *outBase, size_t *outNumBytes, const char *cp, st
if(c != 0) {
*outNumBytes = num_bytes;
*outBase = base;
return 0;
}
@ -89,7 +91,6 @@ static int _inetAtonDetail(int *outBase, size_t *outNumBytes, const char *cp, st
inp->s_addr = htonl(val);
*outNumBytes = num_bytes;
*outBase = base;
return 1;
}
@ -127,11 +128,10 @@ static const char *inet_ntop4(const void *src, char *dst, socklen_t size) {
}
static int inet_pton4(const char *src, void *dst) {
int base;
size_t numBytes;
int ret = _inetAtonDetail(&base, &numBytes, src, (struct in_addr *)dst);
return (ret == 1 && base == 10 && numBytes == 3) ? 1 : 0;
int ret = _inetAtonDetail(10, &numBytes, src, (struct in_addr *)dst);
return (ret == 1 && numBytes == 3) ? 1 : 0;
}
/* Copyright (c) 1996 by Internet Software Consortium.
@ -392,9 +392,8 @@ char *inet_ntoa(struct in_addr in) {
}
int inet_aton(const char *cp, struct in_addr *inp) {
int base;
size_t numBytes;
return _inetAtonDetail(&base, &numBytes, cp, inp);
return _inetAtonDetail(0, &numBytes, cp, inp);
}
in_addr_t inet_addr(const char *cp) {