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curlx: curlx_strcopy() instead of strcpy()

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This function REQUIRES the size of the target buffer as well as the
length of the source string. Meant to make it harder to do a bad
strcpy().

Removes 23 calls to strcpy().

Closes #20067
This commit is contained in:
Daniel Stenberg 2025-12-21 23:40:24 +01:00
parent f099c2ca55
commit a535be4ea0
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GPG key ID: 5CC908FDB71E12C2
30 changed files with 195 additions and 97 deletions
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2
lib/urlapi.c
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@ -509,7 +509,7 @@ static CURLUcode ipv6_parse(struct Curl_URL *u, char *hostname,
hostname[hlen] = 0; /* end the address there */
if(curlx_inet_pton(AF_INET6, hostname, dest) != 1)
return CURLUE_BAD_IPV6;
if(curlx_inet_ntop(AF_INET6, dest, hostname, hlen)) {
if(curlx_inet_ntop(AF_INET6, dest, hostname, hlen + 1)) {
hlen = strlen(hostname); /* might be shorter now */
hostname[hlen + 1] = 0;
}