(get_fs_usage): Add parens.

[gnulib.git] / lib / userspec.c

diff --git a/lib/userspec.c b/lib/userspec.c
index 67f1583..2ceb763 100644 (file)
--- a/lib/userspec.c
+++ b/lib/userspec.c
@@ -1,5 +1,5 @@
 /* userspec.c -- Parse a user and group string.
-   Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1990, 1991, 1992, 1997 Free Software Foundation, Inc.
 
    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
@@ -12,27 +12,27 @@
    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, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 /* Written by David MacKenzie <djm@gnu.ai.mit.edu>.  */
-\f
-#ifdef HAVE_CONFIG_H
-#include <config.h>
+
+#if HAVE_CONFIG_H
+# include <config.h>
 #endif
 
 #ifdef __GNUC__
-#define alloca __builtin_alloca
-#else
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#else
-#ifdef _AIX
- #pragma alloca
+# define alloca __builtin_alloca
 #else
+# ifdef HAVE_ALLOCA_H
+#  include <alloca.h>
+# else
+#  ifdef _AIX
+ #  pragma alloca
+#  else
 char *alloca ();
-#endif
-#endif
+#  endif
+# endif
 #endif
 
 #include <stdio.h>
@@ -40,21 +40,21 @@ char *alloca ();
 #include <pwd.h>
 #include <grp.h>
 
-#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
-#include <string.h>
-#ifndef index
-#define index strchr
-#endif
+#if HAVE_STRING_H
+# include <string.h>
 #else
-#include <strings.h>
+# include <strings.h>
+# ifndef strchr
+#  define strchr index
+# endif
 #endif
 
-#ifdef STDC_HEADERS
-#include <stdlib.h>
+#if STDC_HEADERS
+# include <stdlib.h>
 #endif
 
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
 #endif
 
 #ifndef _POSIX_VERSION
@@ -63,9 +63,12 @@ struct group *getgrnam ();
 struct group *getgrgid ();
 #endif
 
-#ifdef _POSIX_SOURCE
-#define endpwent()
-#define endgrent()
+#ifndef HAVE_ENDGRENT
+# define endgrent() ((void) 0)
+#endif
+
+#ifndef HAVE_ENDPWENT
+# define endpwent() ((void) 0)
 #endif
 
 /* Perform the equivalent of the statement `dest = strdup (src);',
@@ -88,7 +91,7 @@ char *strdup ();
    otherwise return 0. */
 
 static int
-isnumber (str)
+is_number (str)
      const char *str;
 {
   for (; *str; str++)
@@ -131,9 +134,9 @@ parse_user_spec (spec_arg, uid, gid, username_arg, groupname_arg)
   V_STRDUP (spec, spec_arg);
 
   /* Find the separator if there is one.  */
-  separator = index (spec, ':');
+  separator = strchr (spec, ':');
   if (separator == NULL)
-    separator = index (spec, '.');
+    separator = strchr (spec, '.');
 
   /* Replace separator with a NUL.  */
   if (separator != NULL)
@@ -156,7 +159,7 @@ parse_user_spec (spec_arg, uid, gid, username_arg, groupname_arg)
       if (pwd == NULL)
        {
 
-         if (!isnumber (u))
+         if (!is_number (u))
            error_msg = "invalid user";
          else
            {
@@ -202,7 +205,7 @@ parse_user_spec (spec_arg, uid, gid, username_arg, groupname_arg)
       grp = getgrnam (g);
       if (grp == NULL)
        {
-         if (!isnumber (g))
+         if (!is_number (g))
            error_msg = "invalid group";
          else
            *gid = atoi (g);
@@ -244,7 +247,7 @@ parse_user_spec (spec_arg, uid, gid, username_arg, groupname_arg)
 
 #ifdef TEST
 
-#define NULL_CHECK(s) ((s) == NULL ? "(null)" : (s))
+# define NULL_CHECK(s) ((s) == NULL ? "(null)" : (s))
 
 int
 main (int argc, char **argv)