X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fidcache.c;h=7a827e3b004aab7200178b012563e5c3c5483049;hb=dede3f1b726fb2499335b15597e318a535fe203b;hp=c00ee869ded1696f511d764136f40df1511dbf71;hpb=87735e126a0c79f3f43d0830c5c400c2ff3f4c5a;p=gnulib.git

diff --git a/lib/idcache.c b/lib/idcache.c
index c00ee869d..7a827e3b0 100644
--- a/lib/idcache.c
+++ b/lib/idcache.c
@@ -1,5 +1,6 @@
 /* idcache.c -- map user and group IDs, cached for speed
-   Copyright (C) 1985, 1988, 1989, 1990, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1988, 1989, 1990, 1997, 1998 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
@@ -44,6 +45,10 @@ struct group *getgrnam ();
 char *xmalloc ();
 char *xstrdup ();
 
+#ifdef __DJGPP__
+static char digits[] = "0123456789";
+#endif
+
 struct userid
 {
   union
@@ -105,6 +110,15 @@ getuidbyname (const char *user)
       return 0;
 
   pwent = getpwnam (user);
+#ifdef __DJGPP__
+  /* We need to pretend to be the user USER, to make
+     pwd functions know about an arbitrary user name.  */
+  if (!pwent && strspn (user, digits) < strlen (user))
+    {
+      setenv ("USER", user, 1);
+      pwent = getpwnam (user);	/* now it will succeed */
+    }
+#endif
 
   tail = (struct userid *) xmalloc (sizeof (struct userid));
   tail->name = xstrdup (user);
@@ -172,6 +186,15 @@ getgidbyname (const char *group)
       return 0;
 
   grent = getgrnam (group);
+#ifdef __DJGPP__
+  /* We need to pretend to belong to group GROUP, to make
+     grp functions know about any arbitrary group name.  */
+  if (!grent && strspn (group, digits) < strlen (group))
+    {
+      setenv ("GROUP", group, 1);
+      grent = getgrnam (group);	/* now it will succeed */
+    }
+#endif
 
   tail = (struct userid *) xmalloc (sizeof (struct userid));
   tail->name = xstrdup (group);