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tests: fix strncpy warning

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GCC/clang warns about using strncpy in such a way that it does not copy
the null byte of a string; as implemented it was fine, but to fix the
warning, just use strlcat which was purpose made for the task being
accomplished here.

Signed-off-by: Quentin Young <qlyoung@qlyoung.net>
This commit is contained in:
Quentin Young 2023-07-24 19:01:51 -04:00
parent 90f1e4e017
commit 64c549e68c
1 changed files with 3 additions and 2 deletions
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5
tests/lib/test_nexthop_iter.c
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@ -19,9 +19,10 @@ static int verbose;
static void str_append(char **buf, const char *repr)
{
if (*buf) {
*buf = realloc(*buf, strlen(*buf) + strlen(repr) + 1);
size_t new_size = strlen(*buf) + strlen(repr) + 1;
*buf = realloc(*buf, new_size);
assert(*buf);
strncpy((*buf) + strlen(*buf), repr, strlen(repr) + 1);
(void)strlcat(*buf, repr, new_size);
} else {
*buf = strdup(repr);
assert(*buf);