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lib: remove snprintf from prefix2str

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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2019-06-13 17:08:05 +00:00
parent 6a81b60a94
commit ec466f6546
2 changed files with 27 additions and 5 deletions
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26
lib/prefix.c
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@ -1329,13 +1329,29 @@ const char *prefix2str(union prefixconstptr pu, char *str, int size)
{
const struct prefix *p = pu.p;
char buf[PREFIX2STR_BUFFER];
int byte, tmp, a, b;
bool z = false;
size_t l;
switch (p->family) {
case AF_INET:
case AF_INET6:
snprintf(str, size, "%s/%d", inet_ntop(p->family, &p->u.prefix,
buf, PREFIX2STR_BUFFER),
p->prefixlen);
inet_ntop(p->family, &p->u.prefix, buf, sizeof(buf));
l = strlen(buf);
buf[l++] = '/';
byte = p->prefixlen;
if ((tmp = p->prefixlen - 100) >= 0) {
buf[l++] = '1';
z = true;
byte = tmp;
}
b = byte % 10;
a = byte / 10;
if (a || z)
buf[l++] = '0' + a;
buf[l++] = '0' + b;
buf[l] = '\0';
strlcpy(str, buf, size);
break;
case AF_ETHERNET:
@ -1349,11 +1365,11 @@ const char *prefix2str(union prefixconstptr pu, char *str, int size)
break;
case AF_FLOWSPEC:
sprintf(str, "FS prefix");
strlcpy(str, "FS prefix", size);
break;
default:
sprintf(str, "UNK prefix");
strlcpy(str, "UNK prefix", size);
break;
}

6
tests/subdir.am
View file

@ -55,6 +55,7 @@ check_PROGRAMS = \
tests/lib/test_memory \
tests/lib/test_nexthop_iter \
tests/lib/test_ntop \
tests/lib/test_prefix2str \
tests/lib/test_printfrr \
tests/lib/test_privs \
tests/lib/test_ringbuf \
@ -236,6 +237,10 @@ tests_lib_test_ntop_CFLAGS = $(TESTS_CFLAGS)
tests_lib_test_ntop_CPPFLAGS = $(TESTS_CPPFLAGS)
tests_lib_test_ntop_LDADD = # none
tests_lib_test_ntop_SOURCES = tests/lib/test_ntop.c tests/helpers/c/prng.c
tests_lib_test_prefix2str_CFLAGS = $(TESTS_CFLAGS)
tests_lib_test_prefix2str_CPPFLAGS = $(TESTS_CPPFLAGS)
tests_lib_test_prefix2str_LDADD = $(ALL_TESTS_LDADD)
tests_lib_test_prefix2str_SOURCES = tests/lib/test_prefix2str.c tests/helpers/c/prng.c
tests_lib_test_printfrr_CFLAGS = $(TESTS_CFLAGS)
tests_lib_test_printfrr_CPPFLAGS = $(TESTS_CPPFLAGS)
tests_lib_test_printfrr_LDADD = $(ALL_TESTS_LDADD)
@ -328,6 +333,7 @@ EXTRA_DIST += \
tests/lib/test_atomlist.py \
tests/lib/test_nexthop_iter.py \
tests/lib/test_ntop.py \
tests/lib/test_prefix2str.py \
tests/lib/test_printfrr.py \
tests/lib/test_ringbuf.py \
tests/lib/test_srcdest_table.py \