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

[Martin Doucha]

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