update netpacket/packet.h to linux v4.3

[musl] / src / network / lookup_serv.c

diff --git a/src/network/lookup_serv.c b/src/network/lookup_serv.c
index 4faa5bc..66ebaea 100644 (file)
--- a/src/network/lookup_serv.c
+++ b/src/network/lookup_serv.c
@@ -4,6 +4,7 @@
 #include <ctype.h>
 #include <string.h>
 #include <fcntl.h>
+#include <errno.h>
 #include "lookup.h"
 #include "stdio_impl.h"
 
@@ -69,7 +70,14 @@ int __lookup_serv(struct service buf[static MAXSERVS], const char *name, int pro
 
        unsigned char _buf[1032];
        FILE _f, *f = __fopen_rb_ca("/etc/services", &_f, _buf, sizeof _buf);
-       if (!f) return EAI_SERVICE;
+       if (!f) switch (errno) {
+       case ENOENT:
+       case ENOTDIR:
+       case EACCES:
+               return EAI_SERVICE;
+       default:
+               return EAI_SYSTEM;
+       }
 
        while (fgets(line, sizeof line, f) && cnt < MAXSERVS) {
                if ((p=strchr(line, '#'))) *p++='\n', *p=0;