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platform: fix nm_platform_qdisc_to_string()

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When using nm_utils_strbuf_*() API, the buffer gets always moved to the current
end. We must thus remember and return the original start of the buffer.
This commit is contained in:
Thomas Haller 2019-05-01 08:23:00 +02:00
parent a1099a1fab
commit b658e3da08
1 changed files with 4 additions and 1 deletions
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5
src/platform/nm-platform.c
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@ -6427,10 +6427,13 @@ const char *
nm_platform_qdisc_to_string (const NMPlatformQdisc *qdisc, char *buf, gsize len)
{
char str_dev[TO_STRING_DEV_BUF_SIZE];
const char *buf0;
if (!nm_utils_to_string_buffer_init_null (qdisc, &buf, &len))
return buf;
buf0 = buf;
nm_utils_strbuf_append (&buf, &len, "%s%s family %u handle %x parent %x info %x",
qdisc->kind,
_to_string_dev (NULL, qdisc->ifindex, str_dev, sizeof (str_dev)),
@ -6458,7 +6461,7 @@ nm_platform_qdisc_to_string (const NMPlatformQdisc *qdisc, char *buf, gsize len)
nm_utils_strbuf_append (&buf, &len, " ecn");
}
return buf;
return buf0;
}
void