tree-wide: make use of errno_or_else() everywhere

src/basic/in-addr-util.c

@@ -9,6 +9,7 @@
 #include <stdlib.h>
 
 #include "alloc-util.h"
+#include "errno-util.h"
 #include "in-addr-util.h"
 #include "macro.h"
 #include "parse-util.h"
@@ -315,7 +316,7 @@ int in_addr_to_string(int family, const union in_addr_union *u, char **ret) {
 
         errno = 0;
         if (!inet_ntop(family, u, x, l))
-                return errno > 0 ? -errno : -EINVAL;
+                return errno_or_else(EINVAL);
 
         *ret = TAKE_PTR(x);
         return 0;
@@ -345,7 +346,7 @@ int in_addr_prefix_to_string(int family, const union in_addr_union *u, unsigned
 
         errno = 0;
         if (!inet_ntop(family, u, x, l))
-                return errno > 0 ? -errno : -EINVAL;
+                return errno_or_else(EINVAL);
 
         p = x + strlen(x);
         l -= strlen(x);
@@ -384,7 +385,7 @@ int in_addr_ifindex_to_string(int family, const union in_addr_union *u, int ifin
 
         errno = 0;
         if (!inet_ntop(family, u, x, l))
-                return errno > 0 ? -errno : -EINVAL;
+                return errno_or_else(EINVAL);
 
         sprintf(strchr(x, 0), "%%%i", ifindex);
 
@@ -404,7 +405,7 @@ int in_addr_from_string(int family, const char *s, union in_addr_union *ret) {
 
         errno = 0;
         if (inet_pton(family, s, ret ?: &buffer) <= 0)
-                return errno > 0 ? -errno : -EINVAL;
+                return errno_or_else(EINVAL);
 
         return 0;
 }