1 files changed, 38 insertions, 36 deletions

diff --git a/shared/systemd/src/basic/parse-util.c b/shared/systemd/src/basic/parse-util.c
index 96cc43a2..475a06cc 100644
--- a/shared/systemd/src/basic/parse-util.c
+++ b/shared/systemd/src/basic/parse-util.c
@@ -82,11 +82,10 @@ int parse_mode(const char *s, mode_t *ret) {
         return 0;
 }
 
-int parse_ifindex(const char *s, int *ret) {
+int parse_ifindex(const char *s) {
         int ifi, r;
 
         assert(s);
-        assert(ret);
 
         r = safe_atoi(s, &ifi);
         if (r < 0)
@@ -94,26 +93,7 @@ int parse_ifindex(const char *s, int *ret) {
         if (ifi <= 0)
                 return -EINVAL;
 
-        *ret = ifi;
-        return 0;
-}
-
-int parse_ifindex_or_ifname(const char *s, int *ret) {
-        int r;
-
-        assert(s);
-        assert(ret);
-
-        r = parse_ifindex(s, ret);
-        if (r >= 0)
-                return r;
-
-        r = (int) if_nametoindex(s);
-        if (r <= 0)
-                return -errno;
-
-        *ret = r;
-        return 0;
+        return ifi;
 }
 
 int parse_mtu(int family, const char *s, uint32_t *ret) {
@@ -369,7 +349,6 @@ int safe_atou_full(const char *s, unsigned base, unsigned *ret_u) {
         unsigned long l;
 
         assert(s);
-        assert(ret_u);
         assert(base <= 16);
 
         /* strtoul() is happy to parse negative values, and silently
@@ -393,7 +372,9 @@ int safe_atou_full(const char *s, unsigned base, unsigned *ret_u) {
         if ((unsigned long) (unsigned) l != l)
                 return -ERANGE;
 
-        *ret_u = (unsigned) l;
+        if (ret_u)
+                *ret_u = (unsigned) l;
+
         return 0;
 }
 
@@ -402,7 +383,6 @@ int safe_atoi(const char *s, int *ret_i) {
         long l;
 
         assert(s);
-        assert(ret_i);
 
         errno = 0;
         l = strtol(s, &x, 0);
@@ -413,7 +393,9 @@ int safe_atoi(const char *s, int *ret_i) {
         if ((long) (int) l != l)
                 return -ERANGE;
 
-        *ret_i = (int) l;
+        if (ret_i)
+                *ret_i = (int) l;
+
         return 0;
 }
 
@@ -422,7 +404,6 @@ int safe_atollu(const char *s, long long unsigned *ret_llu) {
         unsigned long long l;
 
         assert(s);
-        assert(ret_llu);
 
         s += strspn(s, WHITESPACE);
 
@@ -435,7 +416,9 @@ int safe_atollu(const char *s, long long unsigned *ret_llu) {
         if (*s == '-')
                 return -ERANGE;
 
-        *ret_llu = l;
+        if (ret_llu)
+                *ret_llu = l;
+
         return 0;
 }
 
@@ -444,7 +427,6 @@ int safe_atolli(const char *s, long long int *ret_lli) {
         long long l;
 
         assert(s);
-        assert(ret_lli);
 
         errno = 0;
         l = strtoll(s, &x, 0);
@@ -453,7 +435,9 @@ int safe_atolli(const char *s, long long int *ret_lli) {
         if (!x || x == s || *x != 0)
                 return -EINVAL;
 
-        *ret_lli = l;
+        if (ret_lli)
+                *ret_lli = l;
+
         return 0;
 }
 
@@ -462,7 +446,6 @@ int safe_atou8(const char *s, uint8_t *ret) {
         unsigned long l;
 
         assert(s);
-        assert(ret);
 
         s += strspn(s, WHITESPACE);
 
@@ -477,7 +460,8 @@ int safe_atou8(const char *s, uint8_t *ret) {
         if ((unsigned long) (uint8_t) l != l)
                 return -ERANGE;
 
-        *ret = (uint8_t) l;
+        if (ret)
+                *ret = (uint8_t) l;
         return 0;
 }
 
@@ -511,7 +495,6 @@ int safe_atoi16(const char *s, int16_t *ret) {
         long l;
 
         assert(s);
-        assert(ret);
 
         errno = 0;
         l = strtol(s, &x, 0);
@@ -522,7 +505,9 @@ int safe_atoi16(const char *s, int16_t *ret) {
         if ((long) (int16_t) l != l)
                 return -ERANGE;
 
-        *ret = (int16_t) l;
+        if (ret)
+                *ret = (int16_t) l;
+
         return 0;
 }
 
@@ -533,7 +518,6 @@ int safe_atod(const char *s, double *ret_d) {
         double d = 0;
 
         assert(s);
-        assert(ret_d);
 
         loc = newlocale(LC_NUMERIC_MASK, "C", (locale_t) 0);
         if (loc == (locale_t) 0)
@@ -546,7 +530,9 @@ int safe_atod(const char *s, double *ret_d) {
         if (!x || x == s || *x != 0)
                 return -EINVAL;
 
-        *ret_d = (double) d;
+        if (ret_d)
+                *ret_d = (double) d;
+
         return 0;
 }
 
@@ -717,6 +703,22 @@ int parse_ip_port_range(const char *s, uint16_t *low, uint16_t *high) {
         return 0;
 }
 
+int parse_ip_prefix_length(const char *s, int *ret) {
+        unsigned l;
+        int r;
+
+        r = safe_atou(s, &l);
+        if (r < 0)
+                return r;
+
+        if (l > 128)
+                return -ERANGE;
+
+        *ret = (int) l;
+
+        return 0;
+}
+
 int parse_dev(const char *s, dev_t *ret) {
         const char *major;
         unsigned x, y;