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ospf6d: avoid writing dumb ospf6 info at startup

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in show: 'show ipv6 ospf6' handler command, the reason of SPF
executation is looked up and displayed. At startup, SPF has been
started, but shows no specific reason. Instead of dumping non
initialised string context, reset the string context.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2021-10-27 16:45:05 +02:00
parent 0051effcb1
commit f13d33ccd0
1 changed files with 4 additions and 0 deletions
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4
ospf6d/ospf6_spf.c
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@ -461,6 +461,10 @@ void ospf6_spf_reason_string(uint32_t reason, char *buf, int size)
if (!buf) if (!buf)
return; return;
if (!reason) {
buf[0] = '\0';
return;
}
for (bit = 0; bit < array_size(ospf6_spf_reason_str); bit++) { for (bit = 0; bit < array_size(ospf6_spf_reason_str); bit++) {
if ((reason & (1 << bit)) && (len < size)) { if ((reason & (1 << bit)) && (len < size)) {
len += snprintf((buf + len), (size - len), "%s%s", len += snprintf((buf + len), (size - len), "%s%s",