Fri Aug 25 12:12:42 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>

	* sysdeps/mach/hurd/mmap.c: Fix inverted test of MAP_FIXED.

	* stdio/vfscanf.c (number): Allow field width to inhibit first
	digit after base detection.

	* stdio/vfprintf.c (vfprintf: %s): Never search past the limit
	specified by the precision.

	* grp/grpread.c (__grpscan): New function.
	* grp/grp.h (__grpscan): Declare it.
	* grp/getgrgid.c: Use __grpscan.
	* grp/getgrnam.c: Likewise.
	* pwd/pwdread.c (__pwdscan): New function.
	* pwd/pwd.h (__pwdscan): Declare it.
	* pwd/getpwnam.c: Use __pwdscan.
	* pwd/getpwuid.c: Likewise.

Thu Aug 24 16:29:40 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* sysdeps/mach/hurd/mmap.c: Treat (FLAGS & MAP_TYPE) == 0 like
	MAP_FILE.

	* hurd/thread-cancel.c: Return EINTR when called on self.
	* sysdeps/i386/elf/start.S (data_start): Define as weak alias for
	__data_start.

1 files changed, 32 insertions, 1 deletions

diff --git a/pwd/pwdread.c b/pwd/pwdread.c
index 0ce27d77b9..12032367fa 100644
--- a/pwd/pwdread.c
+++ b/pwd/pwdread.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -114,3 +114,34 @@ DEFUN(__pwdread, (stream, p), FILE *stream AND PTR CONST p)
 
   return &info->p;
 }
+
+
+struct passwd *
+__pwdscan (void **info, int (*selector) (struct passwd *))
+{
+  FILE *stream;
+  struct passwd *p;
+
+  if (*info == NULL)
+    {
+      *info = __pwdalloc ();
+      if (info == NULL)
+	return NULL;
+    }
+
+  stream = __pwdopen ();
+  if (stream == NULL)
+    return NULL;
+
+  p = NULL;
+  while (! feof (stream))
+    {
+      p = __pwdread (stream, *info);
+      if (p && (*selector) (p))
+	break;
+      p = NULL;
+    }
+
+  (void) fclose (stream);
+  return p;
+}