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Code Issues Releases Activity

Fix process-contact bug with TCP connections

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This fixes a regression from Emacs 25.3 (Bug#34134).
* src/process.c (server_accept_connection):
Set host correctly, fixing a bug introduced in
2017-09-16T21:29:18Z!eggert@cs.ucla.edu
when working around a GCC bug.
This commit is contained in:
Paul Eggert 2019-01-30 15:11:17 -08:00
parent b94d767527
commit 9c8412a0b8
1 changed files with 10 additions and 4 deletions
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14
src/process.c
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@ -4724,19 +4724,24 @@ server_accept_connection (Lisp_Object server, int channel)
service = Qnil;
Lisp_Object args[11];
int nargs = 0;
AUTO_STRING (procname_format_in, "%s <%d.%d.%d.%d:%d>");
AUTO_STRING (procname_format_in6, "%s <[%x:%x:%x:%x:%x:%x:%x:%x]:%d>");
#define HOST_FORMAT_IN "%d.%d.%d.%d"
#define HOST_FORMAT_IN6 "%x:%x:%x:%x:%x:%x:%x:%x"
AUTO_STRING (host_format_in, HOST_FORMAT_IN);
AUTO_STRING (host_format_in6, HOST_FORMAT_IN6);
AUTO_STRING (procname_format_in, "%s <"HOST_FORMAT_IN":%d>");
AUTO_STRING (procname_format_in6, "%s <["HOST_FORMAT_IN6"]:%d>");
AUTO_STRING (procname_format_default, "%s <%d>");
switch (saddr.sa.sa_family)
{
case AF_INET:
{
args[nargs++] = procname_format_in;
nargs++;
args[nargs++] = host_format_in;
unsigned char *ip = (unsigned char *)&saddr.in.sin_addr.s_addr;
service = make_number (ntohs (saddr.in.sin_port));
for (int i = 0; i < 4; i++)
args[nargs++] = make_number (ip[i]);
host = Fformat (5, args + 1);
args[nargs++] = service;
}
break;
@ -4745,11 +4750,12 @@ server_accept_connection (Lisp_Object server, int channel)
case AF_INET6:
{
args[nargs++] = procname_format_in6;
nargs++;
args[nargs++] = host_format_in6;
DECLARE_POINTER_ALIAS (ip6, uint16_t, &saddr.in6.sin6_addr);
service = make_number (ntohs (saddr.in.sin_port));
for (int i = 0; i < 8; i++)
args[nargs++] = make_number (ip6[i]);
host = Fformat (9, args + 1);
args[nargs++] = service;
}
break;