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client: avoid passing uninitialized address to format_name()

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The clang memory sanitizer seems to trigger on an uninitialized value
passed to format_name() when the source is a refclock, even though the
value is not used for anything. Pass 0 in this case to avoid the error.
This commit is contained in:
Miroslav Lichvar
2023-06-05 16:10:46 +02:00
parent 109970f687
commit c11a052955
1 changed files with 3 additions and 4 deletions
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7
client.c
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@@ -1979,7 +1979,7 @@ process_cmd_sources(char *line)
IPAddr ip_addr;
uint32_t i, mode, n_sources;
char name[256], mode_ch, state_ch;
int all, verbose;
int all, verbose, ref;
parse_sources_options(line, &all, &verbose);
@@ -2016,9 +2016,8 @@ process_cmd_sources(char *line)
if (!all && ip_addr.family == IPADDR_ID)
continue;
format_name(name, sizeof (name), 25,
mode == RPY_SD_MD_REF && ip_addr.family == IPADDR_INET4,
ip_addr.addr.in4, 1, &ip_addr);
ref = mode == RPY_SD_MD_REF && ip_addr.family == IPADDR_INET4;
format_name(name, sizeof (name), 25, ref, ref ? ip_addr.addr.in4 : 0, 1, &ip_addr);
switch (mode) {
case RPY_SD_MD_CLIENT: