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-rw-r--r--nss/nss_files/files-XXX.c3
-rw-r--r--nss/nss_files/files-hosts.c1
-rw-r--r--nss/nss_files/files-parse.c26
-rw-r--r--nss/nss_files/files-service.c9
4 files changed, 30 insertions, 9 deletions
diff --git a/nss/nss_files/files-XXX.c b/nss/nss_files/files-XXX.c
index 7fa87c098a..80efd294a9 100644
--- a/nss/nss_files/files-XXX.c
+++ b/nss/nss_files/files-XXX.c
@@ -30,7 +30,8 @@ Cambridge, MA 02139, USA.  */
    DATABASE -- string of the database file's name ("hosts", "passwd").
 
    NEED_H_ERRNO - defined iff an arg `int *herrnop' is used.
-   MIDLINE_COMMENTS - defined iff # before \n terminates a database line.
+
+   Also see files-parse.c.
 */
 
 #define ENTNAME_r	CONCAT(ENTNAME,_r)
diff --git a/nss/nss_files/files-hosts.c b/nss/nss_files/files-hosts.c
index bc9eaa39a5..e3d83fec26 100644
--- a/nss/nss_files/files-hosts.c
+++ b/nss/nss_files/files-hosts.c
@@ -31,6 +31,7 @@ Cambridge, MA 02139, USA.  */
 
 #define ENTNAME		hostent
 #define DATABASE	"hosts"
+#define NEED_H_ERRNO
 
 #define ENTDATA hostent_data
 struct hostent_data
diff --git a/nss/nss_files/files-parse.c b/nss/nss_files/files-parse.c
index 1f3b13886d..c9fb1f81e9 100644
--- a/nss/nss_files/files-parse.c
+++ b/nss/nss_files/files-parse.c
@@ -22,6 +22,18 @@ Cambridge, MA 02139, USA.  */
 #include <string.h>
 #include <stdlib.h>
 
+/* These symbols are defined by the including source file:
+
+   ENTNAME -- database name of the structure and functions (hostent, pwent).
+   STRUCTURE -- struct name, define only if not ENTNAME (passwd, group).
+   DATABASE -- string of the database file's name ("hosts", "passwd").
+
+   ENTDATA -- if defined, `struct ENTDATA' is used by the parser to store
+              things pointed to by the resultant `struct STRUCTURE'.
+
+   NEED_H_ERRNO - defined iff an arg `int *herrnop' is used.
+
+   Also see files-XXX.c.  */
 
 #define CONCAT(a,b) CONCAT1(a,b)
 #define CONCAT1(a,b) a##b
@@ -83,13 +95,15 @@ parse_line (char *line, struct STRUCTURE *result,			      \
 #define STRING_FIELD(variable, terminator_p, swallow)			      \
   {									      \
     variable = line;							      \
-    while (!terminator_p (*line))					      \
-      if (*++line == '\0')						      \
-	return 0;							      \
-    *line = '\0';							      \
-    do									      \
+    while (*line != '\0' && !terminator_p (*line))			      \
       ++line;								      \
-    while (swallow && terminator_p (*line));				      \
+    if (*line != '\0')							      \
+      {									      \
+	*line = '\0';							      \
+	do								      \
+	  ++line;							      \
+	while (swallow && terminator_p (*line));			      \
+      }									      \
   }
 
 #define INT_FIELD(variable, terminator_p, swallow, base, convert)	      \
diff --git a/nss/nss_files/files-service.c b/nss/nss_files/files-service.c
index 5dea476208..1bd26d1f07 100644
--- a/nss/nss_files/files-service.c
+++ b/nss/nss_files/files-service.c
@@ -40,8 +40,13 @@ LINE_PARSER
 #include GENERIC
 
 DB_LOOKUP (servbyname, 1 + strlen (name), (".%s", name),
-	   LOOKUP_NAME (s_name, s_aliases),
-	   const char *name)
+	   {
+	     /* Must match both protocol and name.  */
+	     if (strcmp (result->s_proto, proto))
+	       continue;
+	     LOOKUP_NAME (s_name, s_aliases)
+	   },
+	   const char *name, const char *proto)
 
 DB_LOOKUP (servbyport, 20, ("=%d", port),
 	   {