[LTP] [PATCH v2 2/4] Create separate .c file for include/tst_net.h

Martin Doucha
2019-09-26T15:13:29Z

Signed-off-by: Martin Doucha <mdoucha@suse.cz>
---
include/tst_net.h | 118 +++-------------------------------------
lib/tst_net.c | 134 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 142 insertions(+), 110 deletions(-)
create mode 100644 lib/tst_net.c

diff --git a/include/tst_net.h b/include/tst_net.h
index cb97b7b61..740f25bac 100644
--- a/include/tst_net.h
+++ b/include/tst_net.h
@@ -16,7 +16,7 @@
*/

#include <arpa/inet.h>
-#include <errno.h>
+#include <stdio.h>

#define MAX_IPV4_PREFIX 32
#define MAX_IPV6_PREFIX 128
@@ -42,112 +42,10 @@ static inline void print_svar_change(const char *name, const char *val)
printf("export %s=\"${%s:-%s}\"\n", name, name, val);
}

-/*
- * Function bit_count is from ipcalc project, ipcalc.c.
- */
-static int bit_count(uint32_t i)
-{
- int c = 0;
- unsigned int seen_one = 0;
-
- while (i > 0) {
- if (i & 1) {
- seen_one = 1;
- c++;
- } else {
- if (seen_one)
- return -1;
- }
- i >>= 1;
- }
-
- return c;
-}
-
-/*
- * Function mask2prefix is from ipcalc project, ipcalc.c.
- */
-static int mask2prefix(struct in_addr mask)
-{
- return bit_count(ntohl(mask.s_addr));
-}
-
-/*
- * Function ipv4_mask_to_int is from ipcalc project, ipcalc.c.
- */
-static int ipv4_mask_to_int(const char *prefix)
-{
- int ret;
- struct in_addr in;
-
- ret = inet_pton(AF_INET, prefix, &in);
- if (ret == 0)
- return -1;
-
- return mask2prefix(in);
-}
-
-/*
- * Function safe_atoi is from ipcalc project, ipcalc.c.
- */
-static int safe_atoi(const char *s, int *ret_i)
-{
- char *x = NULL;
- long l;
-
- errno = 0;
- l = strtol(s, &x, 0);
-
- if (!x || x == s || *x || errno)
- return errno > 0 ? -errno : -EINVAL;
-
- if ((long)(int)l != l)
- return -ERANGE;
-
- *ret_i = (int)l;
-
- return 0;
-}
-
-/*
- * Function get_prefix use code from ipcalc project, str_to_prefix/ipcalc.c.
- */
-static int get_prefix(const char *ip_str, int is_ipv6)
-{
- char *prefix_str = NULL;
- int prefix = -1, r;
-
- prefix_str = strchr(ip_str, '/');
- if (!prefix_str)
- return -1;
-
- *(prefix_str++) = '\0';
-
- if (!is_ipv6 && strchr(prefix_str, '.'))
- prefix = ipv4_mask_to_int(prefix_str);
- else {
- r = safe_atoi(prefix_str, &prefix);
- if (r != 0)
- tst_brk_comment("conversion error: '%s' is not integer",
- prefix_str);
- }
-
- if (prefix < 0 || ((is_ipv6 && prefix > MAX_IPV6_PREFIX) ||
- (!is_ipv6 && prefix > MAX_IPV4_PREFIX)))
- tst_brk_comment("bad %s prefix: %s", is_ipv6 ? "IPv6" : "IPv4",
- prefix_str);
-
- return prefix;
-}
-
-static void get_in_addr(const char *ip_str, struct in_addr *ip)
-{
- if (inet_pton(AF_INET, ip_str, ip) <= 0)
- tst_brk_comment("bad IPv4 address: '%s'", ip_str);
-}
-
-static void get_in6_addr(const char *ip_str, struct in6_addr *ip6)
-{
- if (inet_pton(AF_INET6, ip_str, ip6) <= 0)
- tst_brk_comment("bad IPv6 address: '%s'", ip_str);
-}
+int bit_count(uint32_t i);
+int mask2prefix(struct in_addr mask);
+int ipv4_mask_to_int(const char *prefix);
+int safe_atoi(const char *s, int *ret_i);
+int get_prefix(const char *ip_str, int is_ipv6);
+void get_in_addr(const char *ip_str, struct in_addr *ip);
+void get_in6_addr(const char *ip_str, struct in6_addr *ip6);
diff --git a/lib/tst_net.c b/lib/tst_net.c
new file mode 100644
index 000000000..4166641f1
--- /dev/null
+++ b/lib/tst_net.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2017 Petr Vorel <pvorel@suse.cz>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+
+#define TST_NO_DEFAULT_MAIN
+#include "tst_test.h"
+#include "tst_net.h"
+
+/*
+ * Function bit_count is from ipcalc project, ipcalc.c.
+ */
+int bit_count(uint32_t i)
+{
+ int c = 0;
+ unsigned int seen_one = 0;
+
+ while (i > 0) {
+ if (i & 1) {
+ seen_one = 1;
+ c++;
+ } else {
+ if (seen_one)
+ return -1;
+ }
+ i >>= 1;
+ }
+
+ return c;
+}
+
+/*
+ * Function mask2prefix is from ipcalc project, ipcalc.c.
+ */
+int mask2prefix(struct in_addr mask)
+{
+ return bit_count(ntohl(mask.s_addr));
+}
+
+/*
+ * Function ipv4_mask_to_int is from ipcalc project, ipcalc.c.
+ */
+int ipv4_mask_to_int(const char *prefix)
+{
+ int ret;
+ struct in_addr in;
+
+ ret = inet_pton(AF_INET, prefix, &in);
+ if (ret == 0)
+ return -1;
+
+ return mask2prefix(in);
+}
+
+/*
+ * Function safe_atoi is from ipcalc project, ipcalc.c.
+ */
+int safe_atoi(const char *s, int *ret_i)
+{
+ char *x = NULL;
+ long l;
+
+ errno = 0;
+ l = strtol(s, &x, 0);
+
+ if (!x || x == s || *x || errno)
+ return errno > 0 ? -errno : -EINVAL;
+
+ if ((long)(int)l != l)
+ return -ERANGE;
+
+ *ret_i = (int)l;
+
+ return 0;
+}
+
+/*
+ * Function get_prefix use code from ipcalc project, str_to_prefix/ipcalc.c.
+ */
+int get_prefix(const char *ip_str, int is_ipv6)
+{
+ char *prefix_str = NULL;
+ int prefix = -1, r;
+
+ prefix_str = strchr(ip_str, '/');
+ if (!prefix_str)
+ return -1;
+
+ *(prefix_str++) = '\0';
+
+ if (!is_ipv6 && strchr(prefix_str, '.'))
+ prefix = ipv4_mask_to_int(prefix_str);
+ else {
+ r = safe_atoi(prefix_str, &prefix);
+ if (r != 0)
+ tst_brk_comment("conversion error: '%s' is not integer",
+ prefix_str);
+ }
+
+ if (prefix < 0 || ((is_ipv6 && prefix > MAX_IPV6_PREFIX) ||
+ (!is_ipv6 && prefix > MAX_IPV4_PREFIX)))
+ tst_brk_comment("bad %s prefix: %s", is_ipv6 ? "IPv6" : "IPv4",
+ prefix_str);
+
+ return prefix;
+}
+
+void get_in_addr(const char *ip_str, struct in_addr *ip)
+{
+ if (inet_pton(AF_INET, ip_str, ip) <= 0)
+ tst_brk_comment("bad IPv4 address: '%s'", ip_str);
+}
+
+void get_in6_addr(const char *ip_str, struct in6_addr *ip6)
+{
+ if (inet_pton(AF_INET6, ip_str, ip6) <= 0)
+ tst_brk_comment("bad IPv6 address: '%s'", ip_str);
+}
--
2.23.0