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-rw-r--r--ChangeLog38
-rw-r--r--Makefile8
-rw-r--r--dirent/scandir.c3
-rw-r--r--elf/dl-object.c1
-rw-r--r--hurd/hurdstartup.c63
-rw-r--r--locale/locale.c1
-rw-r--r--locale/localedef.c1
-rw-r--r--locale/locfile-parse.c1
-rw-r--r--manual/time.texi37
-rw-r--r--misc/mntent.c10
-rw-r--r--misc/search.h101
-rw-r--r--posix/execvp.c1
-rw-r--r--stdio/fclose.c3
-rw-r--r--stdio/getdelim.c1
-rw-r--r--stdio/memstream.c3
-rw-r--r--stdio/setvbuf.c3
-rw-r--r--stdlib/jrand48_r.c7
-rw-r--r--stdlib/lcong48_r.c7
-rw-r--r--stdlib/msort.c1
-rw-r--r--stdlib/nrand48_r.c7
-rw-r--r--stdlib/seed48_r.c7
-rw-r--r--stdlib/srand48_r.c7
-rw-r--r--sysdeps/generic/setenv.c3
-rw-r--r--sysdeps/ieee754/ldexp.c1
-rw-r--r--sysdeps/posix/system.c3
25 files changed, 228 insertions, 90 deletions
diff --git a/ChangeLog b/ChangeLog
index 8d5b4c7..7f26c55 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,42 @@
+Wed Sep 20 18:02:03 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
+
+ * locale/locale.c: Include errno.h.
+ * locale/localedef.c: Likewise.
+
+Tue Sep 19 00:02:06 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
+
+ * Makefile (distclean-1): Remove config.cache, config.log, config.h.
+ (parent-mostlyclean): Remove all flavors of the parent library.
+
+ * misc/mntent.c (getmntent): Skip multiple whitespace chars
+ between fields.
+
+ * hurd/hurdstartup.c (_hurd_startup): If RPC returns
+ EXEC_STACK_ARGS flag, get args from stack.
+ If args on stack but have info from RPC, relocate args on stack to make
+ space for struct hurd_startup_data.
+
Mon Sep 18 15:06:00 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
+ * elf/dl-object.c: Include errno.h.
+ * posix/execvp.c: Likewise.
+ * dirent/scandir.c: Likewise.
+ * sysdeps/posix/system.c: Likewise.
+ * sysdeps/generic/setenv.c: Likewise.
+ * stdlib/msort.c: Likewise.
+ * stdio/memstream.c: Likewise.
+ * stdio/fclose.c: Likewise.
+ * stdio/getdelim.c: Likewise.
+ * stdio/setvbuf.c: Likewise.
+ * sysdeps/ieee754/ldexp.c: Likewise.
+ * locale/locfile-parse.c: Likewise.
+
+ * stdlib/lcong48_r.c: Don't check for null argument; let it fault.
+ * stdlib/seed48_r.c: Likewise.
+ * stdlib/srand48_r.c: Likewise.
+ * stdlib/jrand48_r.c: Likewise.
+ * stdlib/nrand48_r.c: Likewise.
+
* Makeconfig (+gccwarn): Remove -Wbad-function-cast, which seems
to be useless.
@@ -77,6 +114,7 @@ Sat Sep 16 17:47:19 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* misc/efgvt_r.c: New file. Reentrant version of [efg]cvt functions.
* misc/efgcvt.c: Rewrite to use reentrant functions.
+ * misc/search.h: Many decls for hsearch functions.
* misc/hsearch_r.c: New file. Reentrant version of functions from
hsearch family.
* misc/hsearch.c, misc/tsearch.c: New files.
diff --git a/Makefile b/Makefile
index 26a100c..56601e5 100644
--- a/Makefile
+++ b/Makefile
@@ -174,7 +174,9 @@ $(all-subdirs-targets):
# Subroutines of all cleaning targets.
parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
- -rm -f $(common-objpfx)libc.a $(addprefix $(objpfx),$(install-lib))
+ -rm -f $(foreach o,$(object-suffixes),\
+ $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
+ $(addprefix $(objpfx),$(install-lib))
parent-clean: parent-mostlyclean common-clean
-rm -f $(addprefix $(common-objpfx),$(common-generated))
-rm -f $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules)
@@ -200,8 +202,8 @@ realclean distclean: parent-clean
# Subroutine of distclean and realclean.
distclean-1: subdir_$(distclean-1)
-rm -f $(config-generated)
- -rm -f $(addprefix $(objpfx),config.status cache.cache)
- -rm -f $(addprefix $(objpfx),config.make config-name.h)
+ -rm -f $(addprefix $(objpfx),config.status config.cache config.log)
+ -rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
ifdef objdir
-rm -f $(objpfx)Makefile
endif
diff --git a/dirent/scandir.c b/dirent/scandir.c
index 6794ead..65267af 100644
--- a/dirent/scandir.c
+++ b/dirent/scandir.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1993, 1994, 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
@@ -19,6 +19,7 @@ Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <dirent.h>
#include <stdlib.h>
+#include <errno.h>
int
DEFUN(scandir, (dir, namelist, select, cmp),
diff --git a/elf/dl-object.c b/elf/dl-object.c
index ca4e785..11e9e08 100644
--- a/elf/dl-object.c
+++ b/elf/dl-object.c
@@ -21,6 +21,7 @@ Cambridge, MA 02139, USA. */
#include <assert.h>
#include <string.h>
#include <stdlib.h>
+#include <errno.h>
/* List of objects currently loaded. */
diff --git a/hurd/hurdstartup.c b/hurd/hurdstartup.c
index 61b8cdf..28ce40b 100644
--- a/hurd/hurdstartup.c
+++ b/hurd/hurdstartup.c
@@ -99,13 +99,13 @@ _hurd_startup (void **argptr, void (*main) (int *data))
__mach_port_deallocate (__mach_task_self (), in_bootstrap);
}
- if (err || in_bootstrap == MACH_PORT_NULL)
+ if (err || in_bootstrap == MACH_PORT_NULL || (data.flags & EXEC_STACK_ARGS))
{
/* Either we have no bootstrap port, or the RPC to the exec server
- failed. Try to snarf the args in the canonical Mach way.
+ failed, or whoever started us up passed the flag saying args are
+ on the stack. Try to snarf the args in the canonical Mach way.
Hopefully either they will be on the stack as expected, or the
- stack will be zeros so we don't crash. Set all our other
- variables to have empty information. */
+ stack will be zeros so we don't crash. */
argcptr = (int *) argptr;
argc = argcptr[0];
@@ -114,26 +114,12 @@ _hurd_startup (void **argptr, void (*main) (int *data))
envc = 0;
while (envp[envc])
++envc;
-
- data.flags = 0;
- args = env = NULL;
- argslen = envlen = 0;
- data.dtable = NULL;
- data.dtablesize = 0;
- data.portarray = NULL;
- data.portarraysize = 0;
- data.intarray = NULL;
- data.intarraysize = 0;
}
else
- argv = envp = NULL;
-
-
- /* Turn the block of null-separated strings we were passed for the
- arguments and environment into vectors of pointers to strings. */
-
- if (! argv)
{
+ /* Turn the block of null-separated strings we were passed for the
+ arguments and environment into vectors of pointers to strings. */
+
/* Count up the arguments so we can allocate ARGV. */
argc = _hurd_split_args (args, argslen, NULL);
/* Count up the environment variables so we can allocate ENVP. */
@@ -155,6 +141,41 @@ _hurd_startup (void **argptr, void (*main) (int *data))
_hurd_split_args (env, envlen, envp);
}
+ if (err || in_bootstrap == MACH_PORT_NULL)
+ {
+ /* Either we have no bootstrap port, or the RPC to the exec server
+ failed. Set all our other variables to have empty information. */
+
+ data.flags = 0;
+ args = env = NULL;
+ argslen = envlen = 0;
+ data.dtable = NULL;
+ data.dtablesize = 0;
+ data.portarray = NULL;
+ data.portarraysize = 0;
+ data.intarray = NULL;
+ data.intarraysize = 0;
+ }
+ else if ((void *) &envp[envc + 1] == argv[0])
+ {
+ /* The arguments arrived on the stack from the kernel, but our
+ protocol requires some space after them for a `struct
+ hurd_startup_data'. Move them. */
+ struct
+ {
+ int count;
+ char *argv[argc + 1];
+ char *envp[envc + 1];
+ struct hurd_startup_data data;
+ } *args = alloca (sizeof *args);
+ if ((void *) &args[1] == (void *) argcptr)
+ args = alloca (-((char *) &args->data - (char *) args));
+ memmove (args, argcptr, (char *) &args->data - (char *) args);
+ argcptr = (void *) args;
+ argv = args->argv;
+ envp = args->envp;
+ }
+
{
struct hurd_startup_data *d = (void *) &envp[envc + 1];
diff --git a/locale/locale.c b/locale/locale.c
index 20385f0..fd2e392 100644
--- a/locale/locale.c
+++ b/locale/locale.c
@@ -24,6 +24,7 @@ Cambridge, MA 02139, USA. */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
+#include <errno.h>
#include "localedef.h"
diff --git a/locale/localedef.c b/locale/localedef.c
index fceebc5..56ec1a2 100644
--- a/locale/localedef.c
+++ b/locale/localedef.c
@@ -24,6 +24,7 @@ Cambridge, MA 02139, USA. */
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
+#include <errno.h>
#include "error.h"
#include "localedef.h"
diff --git a/locale/locfile-parse.c b/locale/locfile-parse.c
index aad8433..daf56bc 100644
--- a/locale/locfile-parse.c
+++ b/locale/locfile-parse.c
@@ -15,6 +15,7 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
+#include <errno.h>
#include <assert.h>
#include <dirent.h>
#include <fcntl.h>
diff --git a/manual/time.texi b/manual/time.texi
index 767c318..3f8eee4 100644
--- a/manual/time.texi
+++ b/manual/time.texi
@@ -241,13 +241,15 @@ These facilities are declared in the header file @file{time.h}.
@comment time.h
@comment ANSI
@deftp {Data Type} time_t
-This is the data type used to represent calendar time. In the GNU C
-library and other POSIX-compliant implementations, @code{time_t} is
-equivalent to @code{long int}. When interpreted as an absolute time
+This is the data type used to represent calendar time.
+When interpreted as an absolute time
value, it represents the number of seconds elapsed since 00:00:00 on
January 1, 1970, Coordinated Universal Time. (This date is sometimes
-referred to as the @dfn{epoch}.)
+referred to as the @dfn{epoch}.) POSIX requires that this count
+ignore leap seconds, but on some hosts this count includes leap seconds
+if you set @code{TZ} to certain values (@pxref{TZ Variable}).
+In the GNU C library, @code{time_t} is equivalent to @code{long int}.
In other systems, @code{time_t} might be either an integer or
floating-point type.
@end deftp
@@ -257,7 +259,8 @@ floating-point type.
@deftypefun double difftime (time_t @var{time1}, time_t @var{time0})
The @code{difftime} function returns the number of seconds elapsed
between time @var{time1} and time @var{time0}, as a value of type
-@code{double}.
+@code{double}. The difference ignores leap seconds unless leap
+second support is enabled.
In the GNU system, you can simply subtract @code{time_t} values. But on
other systems, the @code{time_t} data type might use some other encoding
@@ -462,8 +465,8 @@ contains at least the following members, which can appear in any order:
@table @code
@item int tm_sec
This is the number of seconds after the minute, normally in the range
-@code{0} to @code{59}. (The actual upper limit is @code{61}, to allow
-for ``leap seconds''.)
+@code{0} to @code{59}. (The actual upper limit is @code{60}, to allow
+for leap seconds if leap second support is available.)
@cindex leap second
@item int tm_min
@@ -508,7 +511,7 @@ also think of this as the ``number of seconds west'' of GMT. The
@code{tm_gmtoff} field is a GNU library extension.
@item const char *tm_zone
-This field is the three-letter name for the time zone that was used to
+This field is the name for the time zone that was used to
compute this broken-down time value. It is a GNU library extension.
@end table
@end deftp
@@ -521,9 +524,9 @@ The @code{localtime} function converts the calendar time pointed to by
user's specified time zone.
The return value is a pointer to a static broken-down time structure, which
-might be overwritten by subsequent calls to any of the date and time
-functions. (But no other library function overwrites the contents of this
-object.)
+might be overwritten by subsequent calls to @code{ctime}, @code{gmtime},
+or @code{localtime}. (But no other library function overwrites the contents
+of this object.)
Calling @code{localtime} has one other effect: it sets the variable
@code{tzname} with information about the current time zone. @xref{Time
@@ -590,7 +593,7 @@ The abbreviations for the months are: @samp{Jan}, @samp{Feb},
@samp{Sep}, @samp{Oct}, @samp{Nov}, and @samp{Dec}.
The return value points to a statically allocated string, which might be
-overwritten by subsequent calls to any of the date and time functions.
+overwritten by subsequent calls to @code{asctime} or @code{ctime}.
(But no other library function overwrites the contents of this
string.)
@end deftypefun
@@ -870,7 +873,7 @@ community of volunteers and put in the public domain.
@comment POSIX.1
@deftypevar char * tzname [2]
The array @code{tzname} contains two strings, which are the standard
-three-letter names of the pair of time zones (standard and daylight
+names of the pair of time zones (standard and daylight
savings) that the user has selected. @code{tzname[0]} is the name of
the standard time zone (for example, @code{"EST"}), and @code{tzname[1]}
is the name for the time zone when daylight savings time is in use (for
@@ -893,7 +896,7 @@ depend on the time zone.
@end deftypefun
The following variables are defined for compatibility with System V
-Unix. These variables are set by calling @code{localtime}.
+Unix. These variables are set by calling @code{tzset}.
@comment time.h
@comment SVID
@@ -906,8 +909,10 @@ seconds. For example, in the U.S. Eastern time zone, the value is
@comment time.h
@comment SVID
@deftypevar int daylight
-This variable has a nonzero value if the standard U.S. daylight savings
-time rules apply.
+This variable has a nonzero value if daylight savings time rules apply.
+A nonzero value does not necessarily mean that daylight savings time is
+now in effect; it means only that daylight savings time is sometimes in
+effect.
@end deftypevar
@node Time Functions Example
diff --git a/misc/mntent.c b/misc/mntent.c
index 42c2081..bdc6aae 100644
--- a/misc/mntent.c
+++ b/misc/mntent.c
@@ -53,14 +53,20 @@ getmntent (FILE *stream)
if (getline (&buf, &bufsiz, stream) < 0)
return NULL;
- head = buf;
+ head = buf + strspn (buf, " \t");
} while (head[0] == '#'); /* Skip comment lines. */
m.mnt_fsname = strsep (&head, " \t") ?: (char *) "";
+ if (head)
+ head += strspn (head, " \t");
m.mnt_dir = strsep (&head, " \t") ?: (char *) "";
+ if (head)
+ head += strspn (head, " \t");
m.mnt_type = strsep (&head, " \t") ?: (char *) "";
+ if (head)
+ head += strspn (head, " \t");
m.mnt_opts = strsep (&head, " \t") ?: (char *) "";
- switch (sscanf (head, "%d %d\n", &m.mnt_freq, &m.mnt_passno))
+ switch (head ? sscanf (head, " %d %d\n", &m.mnt_freq, &m.mnt_passno) : 0)
{
case 0:
m.mnt_freq = 0;
diff --git a/misc/search.h b/misc/search.h
index c6d1870..31c4f03 100644
--- a/misc/search.h
+++ b/misc/search.h
@@ -1,4 +1,4 @@
-/* search.h -- declarations for `insque' and `remque'
+/* search.h -- declarations for System V style searching functions.
Copyright (C) 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -14,16 +14,18 @@ Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-/* These functions are provided for compatibility with BSD. */
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
#ifndef _SEARCH_H
#define _SEARCH_H 1
#include <sys/cdefs.h>
+#define __need_size_t
+#define __need_NULL
+#include <stddef.h>
+
__BEGIN_DECLS
/* Prototype structure for a linked-list data structure.
@@ -41,9 +43,94 @@ struct qelem
extern void insque __P ((struct qelem *__elem, struct qelem *__prev));
/* Unlink ELEM from the doubly-linked list that it is in. */
-extern void remque __P ((struct qelem *elem));
+extern void remque __P ((struct qelem *__elem));
+
+
+/* For use with hsearch(3). */
+#ifndef __COMPAR_FN_T
+#define __COMPAR_FN_T
+typedef int (*__compar_fn_t) __P ((__const __ptr_t, __const __ptr_t));
+#endif
+
+/* Action which shall be performed in the call the hsearch. */
+typedef enum
+ {
+ FIND,
+ ENTER
+ }
+ACTION;
+
+typedef struct entry
+ {
+ char *key;
+ char *data;
+ }
+ENTRY;
+
+/* Opaque type for internal use. */
+struct _ENTRY;
+
+/* Data type for reentrent functions. */
+struct hsearch_data
+ {
+ struct _ENTRY *table;
+ unsigned int size;
+ unsigned int filled;
+ };
+
+/* Family of hash table handling functions. The functions also have
+ reentrent counterparts ending with _r. */
+extern ENTRY *hsearch __P ((ENTRY __item, ACTION __action));
+extern int hcreate __P ((unsigned int __nel));
+extern void hdestroy __P ((void));
+
+extern int hsearch_r __P ((ENTRY __item, ACTION __action, ENTRY **__retval,
+ struct hsearch_data *__htab));
+extern int hcreate_r __P ((unsigned int __nel, struct hsearch_data *htab));
+extern void hdestroy_r __P ((struct hsearch_data *htab));
+
+
+/* The tsearch routines are very interesting. They make many
+ assumptions about the compiler. It assumpts that the first field
+ in node must be the "key" field, which points to the datum.
+ Everything depends on that. */
+/* For tsearch */
+typedef enum
+{
+ preorder,
+ postorder,
+ endorder,
+ leaf
+}
+VISIT;
+
+extern void *tsearch __P ((__const void * __key, void **__rootp,
+ __compar_fn_t compar));
+
+extern void *tfind __P ((__const void * __key, __const void ** __rootp,
+ __compar_fn_t compar));
+
+extern void *tdelete __P ((__const void * __key, void ** __rootp,
+ __compar_fn_t compar));
+
+#ifndef __ACTION_FN_T
+#define __ACTION_FN_T
+typedef void (*__action_fn_t) __P ((__const void *__nodep,
+ __const VISIT __value,
+ __const int __level));
+#endif
+
+extern void twalk __P ((__const void * __root, __action_fn_t action));
+
+
+extern void * lfind __P ((__const void * __key, __const void * __base,
+ size_t * __nmemb, size_t __size,
+ __compar_fn_t __compar));
+extern void * lsearch __P ((__const void * __key, __const void * __base,
+ size_t * __nmemb, size_t __size,
+ __compar_fn_t __compar));
__END_DECLS
-#endif /* search.h */
+#endif /* search.h */
diff --git a/posix/execvp.c b/posix/execvp.c
index 723e7fa..17072ce 100644
--- a/posix/execvp.c
+++ b/posix/execvp.c
@@ -20,6 +20,7 @@ Cambridge, MA 02139, USA. */
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
/* Execute FILE, searching in the `PATH' environment variable if it contains
no slashes, with arguments ARGV and environment from `environ'. */
diff --git a/stdio/fclose.c b/stdio/fclose.c
index becb858..bcf4cd4 100644
--- a/stdio/fclose.c
+++ b/stdio/fclose.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
@@ -21,6 +21,7 @@ Cambridge, MA 02139, USA. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
/* Close a stream. */
diff --git a/stdio/getdelim.c b/stdio/getdelim.c
index 8047c1f..2cdb95c 100644
--- a/stdio/getdelim.c
+++ b/stdio/getdelim.c
@@ -22,6 +22,7 @@ Cambridge, MA 02139, USA. */
#include <stdlib.h>
#include <string.h>
#include <limits.h>
+#include <errno.h>
/* Read up to (and including) a TERMINATOR from STREAM into *LINEPTR
(and null-terminate it). *LINEPTR is a pointer returned from malloc (or
diff --git a/stdio/memstream.c b/stdio/memstream.c
index 704eca5..1a8b350 100644
--- a/stdio/memstream.c
+++ b/stdio/memstream.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1994, 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
@@ -20,6 +20,7 @@ Cambridge, MA 02139, USA. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
struct memstream_info
{
diff --git a/stdio/setvbuf.c b/stdio/setvbuf.c
index 8c33386..6bfe829 100644
--- a/stdio/setvbuf.c
+++ b/stdio/setvbuf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1993, 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
@@ -20,6 +20,7 @@ Cambridge, MA 02139, USA. */
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
+#include <errno.h>
/* Make STREAM use the buffering method given in MODE.
diff --git a/stdlib/jrand48_r.c b/stdlib/jrand48_r.c
index b1a4378..1a89790 100644
--- a/stdlib/jrand48_r.c
+++ b/stdlib/jrand48_r.c
@@ -25,13 +25,6 @@ jrand48_r (xsubi, buffer, result)
struct drand48_data *buffer;
long *result;
{
- /* Be generous for the arguments, detect some errors. */
- if (result == NULL)
- {
- errno = EFAULT;
- return -1;
- }
-
/* Compute next state. */
if (__drand48_iterate (xsubi, buffer) < 0)
return -1;
diff --git a/stdlib/lcong48_r.c b/stdlib/lcong48_r.c
index cc38b4d..f607bc5 100644
--- a/stdlib/lcong48_r.c
+++ b/stdlib/lcong48_r.c
@@ -24,13 +24,6 @@ lcong48_r (param, buffer)
unsigned short int param[7];
struct drand48_data *buffer;
{
- /* Be generous for the arguments, detect some errors. */
- if (buffer == NULL)
- {
- errno = EFAULT;
- return -1;
- }
-
/* Store the given values. */
memcpy (buffer->X, &param[0], sizeof (buffer->X));
memcpy (buffer->a, &param[3], sizeof (buffer->a));
diff --git a/stdlib/msort.c b/stdlib/msort.c
index 21fbbfb..e2834ce 100644
--- a/stdlib/msort.c
+++ b/stdlib/msort.c
@@ -23,6 +23,7 @@ Cambridge, MA 02139, USA. */
#include <stdlib.h>
#include <string.h>
#include <memcopy.h>
+#include <errno.h>
static void
DEFUN(msort_with_tmp, (b, n, s, cmp, t),
diff --git a/stdlib/nrand48_r.c b/stdlib/nrand48_r.c
index 1bbc29e..d5ebf35 100644
--- a/stdlib/nrand48_r.c
+++ b/stdlib/nrand48_r.c
@@ -25,13 +25,6 @@ nrand48_r (xsubi, buffer, result)
struct drand48_data *buffer;
long *result;
{
- /* Be generous for the arguments, detect some errors. */
- if (result == NULL)
- {
- errno = EFAULT;
- return -1;
- }
-
/* Compute next state. */
if (__drand48_iterate (xsubi, buffer) < 0)
return -1;
diff --git a/stdlib/seed48_r.c b/stdlib/seed48_r.c
index 4d43507..e45c3d2 100644
--- a/stdlib/seed48_r.c
+++ b/stdlib/seed48_r.c
@@ -24,13 +24,6 @@ seed48_r (seed16v, buffer)
unsigned short int seed16v[3];
struct drand48_data *buffer;
{
- /* Be generous for the arguments, detect some errors. */
- if (buffer == NULL)
- {
- errno = EFAULT;
- return -1;
- }
-
/* Save old value at a private place to be used as return value. */
memcpy (buffer->old_X, buffer->X, sizeof (buffer->X));
diff --git a/stdlib/srand48_r.c b/stdlib/srand48_r.c
index ac313f6..8720854 100644
--- a/stdlib/srand48_r.c
+++ b/stdlib/srand48_r.c
@@ -24,13 +24,6 @@ srand48_r (seedval, buffer)
long seedval;
struct drand48_data *buffer;
{
- /* Be generous for the arguments, detect some errors. */
- if (buffer == NULL)
- {
- errno = EFAULT;
- return -1;
- }
-
/* The standards say we only have 32 bits. */
if (sizeof (long) > 4)
seedval &= 0xffffffffl;
diff --git a/sysdeps/generic/setenv.c b/sysdeps/generic/setenv.c
index a27f02e..1907a2b 100644
--- a/sysdeps/generic/setenv.c
+++ b/sysdeps/generic/setenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992 Free Software Foundation, Inc.
+/* Copyright (C) 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
@@ -20,6 +20,7 @@ Cambridge, MA 02139, USA. */
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <errno.h>
#ifndef HAVE_GNU_LD
#define __environ environ
diff --git a/sysdeps/ieee754/ldexp.c b/sysdeps/ieee754/ldexp.c
index 7e1c747..e8e3c67 100644
--- a/sysdeps/ieee754/ldexp.c
+++ b/sysdeps/ieee754/ldexp.c
@@ -38,6 +38,7 @@ Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <math.h>
#include <float.h>
+#include <errno.h>
#include "ieee754.h"
double
diff --git a/sysdeps/posix/system.c b/sysdeps/posix/system.c
index 69b004b..da58be5 100644
--- a/sysdeps/posix/system.c
+++ b/sysdeps/posix/system.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1994, 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
@@ -23,6 +23,7 @@ Cambridge, MA 02139, USA. */
#include <sys/wait.h>
#include <signal.h>
#include <sys/types.h>
+#include <errno.h>
#ifndef HAVE_GNU_LD