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

Browse source 
* 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.
This commit is contained in:
Roland McGrath 1995-08-25 19:23:32 +00:00
parent 3cf595e562
commit 7752137a6a
15 changed files with 144 additions and 98 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
ChangeLog
View file

@ -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.

26
grp/getgrgid.c
View file

@ -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;
register FILE *stream;
register struct group *g;
if (info == NULL)
int match (struct group *p)
{
info = __grpalloc();
if (info == NULL)
return NULL;
return p->gr_gid == gid;
}
static void *info;
stream = __grpopen();
if (stream == NULL)
return NULL;
while ((g = __grpread(stream, info)) != NULL)
if (g->gr_gid == (gid_t) gid)
break;
(void) fclose(stream);
return g;
return __grpscan (&info, &match);
}

26
grp/getgrnam.c
View file

@ -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;
register FILE *stream;
register struct group *g;
if (info == NULL)
int match (struct group *p)
{
info = __grpalloc();
if (info == NULL)
return NULL;
return ! strcmp (name, p->gr_name);
}
static void *info;
stream = __grpopen();
if (stream == NULL)
return NULL;
while ((g = __grpread(stream, info)) != NULL)
if (!strcmp(g->gr_name, name))
break;
(void) fclose(stream);
return g;
return __grpscan (&info, &match);
}

7
grp/grp.h
View file

@ -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

33
grp/grpread.c
View file

@ -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;
}

2
hurd/thread-cancel.c
View file

@ -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);

26
pwd/getpwnam.c
View file

@ -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;
register FILE *stream;
register struct passwd *p;
if (info == NULL)
int match (struct passwd *p)
{
info = __pwdalloc();
if (info == NULL)
return(NULL);
return ! strcmp (name, p->pw_name);
}
static void *info;
stream = __pwdopen();
if (stream == NULL)
return(NULL);
while ((p = __pwdread(stream, info)) != NULL)
if (!strcmp(p->pw_name, name))
break;
(void) fclose(stream);
return(p);
return __pwdscan (&info, &match);
}

26
pwd/getpwuid.c
View file

@ -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;
register FILE *stream;
register struct passwd *p;
if (info == NULL)
int match (struct passwd *p)
{
info = __pwdalloc();
if (info == NULL)
return(NULL);
return p->pw_uid == uid;
}
static void *info;
stream = __pwdopen();
if (stream == NULL)
return(NULL);
while ((p = __pwdread(stream, info)) != NULL)
if (p->pw_uid == uid)
break;
(void) fclose(stream);
return(p);
return __pwdscan (&info, &match);
}

8
pwd/pwd.h
View file

@ -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

33
pwd/pwdread.c
View file

@ -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;
}

13
stdio/vfprintf.c
View file

@ -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;

7
stdio/vfscanf.c
View file

@ -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. */

2
sysdeps/i386/elf/start.S
View file

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

3
sysdeps/mach/hurd/mmap.c
View file

@ -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,

2
utime.h
View file

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