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.

ChangeLog

@@ -1,3 +1,31 @@
+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.
+
 Tue Aug 22 16:49:12 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
 
 	* inet/netdb.h: Moved to resolv.

grp/getgrgid.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 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
@@ -24,27 +24,13 @@ Cambridge, MA 02139, USA.  */
 
 /* Search for an entry with a matching group ID.  */
 struct group *
-DEFUN(getgrgid, (gid), register gid_t gid)
+DEFUN(getgrgid, (gid), gid_t gid)
 {
-  static PTR info = NULL;
+  int match (struct group *p)
-  register FILE *stream;
-  register struct group *g;
-
-  if (info == NULL)
     {
-      info = __grpalloc();
+      return p->gr_gid == gid;
-      if (info == NULL)
-	return NULL;
     }
+  static void *info;
 
-  stream = __grpopen();
+  return __grpscan (&info, &match);
-  if (stream == NULL)
-    return NULL;
-
-  while ((g = __grpread(stream, info)) != NULL)
-    if (g->gr_gid == (gid_t) gid)
-      break;
-
-  (void) fclose(stream);
-  return g;
 }

grp/getgrnam.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 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
@@ -24,27 +24,13 @@ Cambridge, MA 02139, USA.  */
 
 /* Search for an entry with a matching name.  */
 struct group *
-DEFUN(getgrnam, (name), register CONST char *name)
+DEFUN(getgrnam, (name), const char *name)
 {
-  static PTR info = NULL;
+  int match (struct group *p)
-  register FILE *stream;
-  register struct group *g;
-
-  if (info == NULL)
     {
-      info = __grpalloc();
+      return ! strcmp (name, p->gr_name);
-      if (info == NULL)
-	return NULL;
     }
+  static void *info;
 
-  stream = __grpopen();
+  return __grpscan (&info, &match);
-  if (stream == NULL)
-    return NULL;
-
-  while ((g = __grpread(stream, info)) != NULL)
-    if (!strcmp(g->gr_name, name))
-      break;
-
-  (void) fclose(stream);
-  return g;
 }

grp/grp.h

@@ -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
@@ -55,6 +55,11 @@ extern struct group *__grpread __P ((FILE * __stream, __ptr_t __g));
 
 /* Return a chunk of memory containing pre-initialized data for __grpread.  */
 extern __ptr_t __grpalloc __P ((void));
+
+/* Scan the group file, filling in G, until SELECTOR returns nonzero for an
+   entry.  Return the `struct group' of G if successful, NULL on failure.  */
+extern struct group *__grpscan __P ((__ptr_t *__p,
+				     int (*__selector) (struct group *)));
 #endif
 
 

grp/grpread.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
@@ -133,3 +133,34 @@ DEFUN(__grpread, (stream, g), FILE *stream AND PTR CONST g)
 
   return &info->g;
 }
+
+
+struct group *
+__grpscan (void **info, int (*selector) (struct group *))
+{
+  FILE *stream;
+  struct group *p;
+
+  if (*info == NULL)
+    {
+      *info = __grpalloc ();
+      if (info == NULL)
+	return NULL;
+    }
+
+  stream = __grpopen ();
+  if (stream == NULL)
+    return NULL;
+
+  p = NULL;
+  while (! feof (stream))
+    {
+      p = __grpread (stream, *info);
+      if (p && (*selector) (p))
+	break;
+      p = NULL;
+    }
+
+  (void) fclose (stream);
+  return p;
+}

hurd/thread-cancel.c

@@ -42,6 +42,8 @@ hurd_thread_cancel (thread_t thread)
 
   if (! ss)
     return EINVAL;
+  if (ss == _hurd_self_sigstate ())
+    return EINTR;		/* Bozo.  */
 
   __spin_lock (&ss->lock);
   assert (! ss->critical_section);

pwd/getpwnam.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 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
@@ -24,27 +24,13 @@ Cambridge, MA 02139, USA.  */
 
 /* Search for an entry with a matching name.  */
 struct passwd *
-DEFUN(getpwnam, (name), register CONST char *name)
+DEFUN(getpwnam, (name), const char *name)
 {
-  static PTR info = NULL;
+  int match (struct passwd *p)
-  register FILE *stream;
-  register struct passwd *p;
-
-  if (info == NULL)
     {
-      info = __pwdalloc();
+      return ! strcmp (name, p->pw_name);
-      if (info == NULL)
-	return(NULL);
     }
+  static void *info;
 
-  stream = __pwdopen();
+  return __pwdscan (&info, &match);
-  if (stream == NULL)
-    return(NULL);
-
-  while ((p = __pwdread(stream, info)) != NULL)
-    if (!strcmp(p->pw_name, name))
-      break;
-
-  (void) fclose(stream);
-  return(p);
 }

pwd/getpwuid.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 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
@@ -24,27 +24,13 @@ Cambridge, MA 02139, USA.  */
 
 /* Search for an entry with a matching uid.  */
 struct passwd *
-DEFUN(getpwuid, (uid), register uid_t uid)
+DEFUN(getpwuid, (uid), uid_t uid)
 {
-  static PTR info;
+  int match (struct passwd *p)
-  register FILE *stream;
-  register struct passwd *p;
-
-  if (info == NULL)
     {
-      info = __pwdalloc();
+      return p->pw_uid == uid;
-      if (info == NULL)
-	return(NULL);
     }
+  static void *info;
 
-  stream = __pwdopen();
+  return __pwdscan (&info, &match);
-  if (stream == NULL)
-    return(NULL);
-
-  while ((p = __pwdread(stream, info)) != NULL)
-    if (p->pw_uid == uid)
-      break;
-
-  (void) fclose(stream);
-  return(p);
 }

pwd/pwd.h

@@ -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
@@ -58,6 +58,12 @@ extern struct passwd *__pwdread __P ((FILE * __stream, __ptr_t __p));
 
 /* Return a chunk of memory containing pre-initialized data for __pwdread.  */
 extern __ptr_t __pwdalloc __P ((void));
+
+/* Scan the password file, filling in P, until SELECTOR returns nonzero for
+   an entry.  Return the `struct passwd' of P if successful, NULL on
+   failure.  */
+extern struct passwd *__pwdscan __P ((__ptr_t *__p,
+				      int (*__selector) (struct passwd *)));
 #endif
 
 

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;
+}

stdio/vfprintf.c

@@ -533,21 +533,16 @@ vfprintf (s, format, ap)
 		}
               else if (specs[cnt].info.prec != -1)
 		{
+		  /* Search for the end of the string, but don't search
+                     past the length specified by the precision.  */
 		  const char *end = memchr (str, '\0', specs[cnt].info.prec);
 		  if (end)
 		    len = end - str;
 		  else
-		    len = strlen (str);
-		}
-	      else
-		{
-		  len = strlen (str);
-
-		  if (specs[cnt].info.prec != -1
-		      && (size_t) specs[cnt].info.prec < len)
-		    /* Limit the length to the precision.  */
 		    len = specs[cnt].info.prec;
 		}
+	      else
+		len = strlen (str);
 
               specs[cnt].info.width -= len;
 

stdio/vfscanf.c

@@ -422,7 +422,7 @@ DEFUN(__vfscanf, (s, format, arg),
 	    base = 10;
 
 	  /* Read the number into WORK.  */
-	  do
+	  while (width != 0 && c != EOF)
 	    {
 	      if (base == 16 ? !isxdigit(c) :
 		  (!isdigit(c) || c - '0' >= base))
@@ -430,11 +430,12 @@ DEFUN(__vfscanf, (s, format, arg),
 	      *w++ = c;
 	      if (width > 0)
 		--width;
-	    } while (inchar() != EOF && width != 0);
+	      (void) inchar ();
+	    }
 
 	  if (w == work ||
 	      (w - work == 1 && (work[0] == '+' || work[0] == '-')))
-	    /* There was on number.  */
+	    /* There was no number.  */
 	    conv_error();
 
 	  /* Convert the number.  */

sysdeps/i386/elf/start.S

@@ -90,3 +90,5 @@ nofini:
 	.globl __data_start
 __data_start:
 	.long 0
+	.weak data_start
+	data_start = __data_start

sysdeps/mach/hurd/mmap.c

@@ -57,6 +57,7 @@ __mmap (caddr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
       break;
 
     case MAP_FILE:
+    case 0:			/* Allow, e.g., just MAP_SHARED.  */
       {
 	mach_port_t robj, wobj;
 	if (err = HURD_DPORT_USE (fd, __io_map (port, &robj, &wobj)))
@@ -91,7 +92,7 @@ __mmap (caddr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
   mapaddr = (vm_address_t) addr;
   err = __vm_map (__mach_task_self (),
 		  &mapaddr, (vm_size_t) len, (vm_address_t) 0,
-		  flags & MAP_FIXED,
+		  ! (flags & MAP_FIXED),
 		  memobj, (vm_offset_t) offset,
 		  flags & (MAP_COPY|MAP_PRIVATE),
 		  vmprot, VM_PROT_ALL,

utime.h

@@ -1 +1 @@
-#include <posix/utime.h>
+#include <io/utime.h>