On Thu, 8 Aug 2013, Ulrich [utf-8] Sp??rlein wrote:
On Fri, 2013-07-26 at 15:53:43 +0000, Dag-Erling Sm????rgrav wrote:
Modified: head/lib/libfetch/common.c
==============================================================================
--- head/lib/libfetch/common.c Fri Jul 26 14:43:38 2013 (r253679)
+++ head/lib/libfetch/common.c Fri Jul 26 15:53:43 2013 (r253680)
+static struct addrinfo *
+fetch_ssl_get_numeric_addrinfo(const char *hostname, size_t len)
+{
+ struct addrinfo hints, *res;
+ char *host;
+
+ host = (char *)malloc(len + 1);
+ memcpy(host, hostname, len);
+ host[len] = '\0';
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = PF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = 0;
+ hints.ai_flags = AI_NUMERICHOST;
+ /* port is not relevant for this purpose */
+ getaddrinfo(host, "443", &hints, &res);
We check the return value for getaddrinfo() 210 out of 217 times in our
tree, please check it here too. Thanks! CID 1061016
We sometimes check the return value of malloc() too. Though checking is
usually just a waste of space and time, libraries should do it.
Style bugs in the above include:
- 'hostname' shadows a global function name
- bogus cast of malloc(). Old code in this file doesn't cast malloc().
- we labouriously use a home made strdup() since the string length is an
arg. But len must be strlen(hostname) for the home made strdup() to
work.
- hints.ai_protocol is initialized twice
- the comment is neither capitalized nor terminated with a ".". Old
code in this file has mixed style bugs in comments, and uses the same
style bugs often but not always.
Bruce
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