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isinetaddr4: treat last octet as less of a special case

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0x1eef 2023-09-20 12:20:26 -03:00
parent ae035800d3
commit 760852b6dc
1 changed files with 8 additions and 5 deletions
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13
src/isinetaddr4.c
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@ -22,14 +22,11 @@ isinetaddr4(const char *str)
buf[MAX_BUFLEN] = '\0';
for (size_t l = 0; l < len; l++) {
if (str[l] == SEP) {
if (buflen == 0) {
return 0;
} else if (!in_range(buf)) {
if (octets == MAX_OCTETS || buflen == 0) {
return 0;
} else {
buflen = 0;
bzero(buf, MAX_BUFLEN);
octets++;
}
} else if (isdigit(str[l])) {
if (buflen == MAX_BUFLEN) {
@ -37,13 +34,19 @@ isinetaddr4(const char *str)
} else {
buf[buflen++] = str[l];
digits++;
if (!in_range(buf)) {
return 0;
}
}
} else {
return 0;
}
if (str[l-1] == SEP) {
octets++;
}
}
if (octets == MAX_OCTETS) {
return digits <= MAX_DIGITLEN && buflen > 0 && in_range(buf);
return digits <= MAX_DIGITLEN;
} else {
return 0;
}