summary refs log tree commit diff
path: root/misc/efgcvt_r.c
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1995-09-17 20:23:15 +0000
committerRoland McGrath <roland@gnu.org>1995-09-17 20:23:15 +0000
commit60478656fad8d8a487e9bc52d025f69767c3262b (patch)
tree0ae0836023f1c2f80064e7611f91d19c482208d9 /misc/efgcvt_r.c
parent9fd18b6c1b397e1af82a0b544f10f946c73864b6 (diff)
downloadglibc-60478656fad8d8a487e9bc52d025f69767c3262b.tar.gz
glibc-60478656fad8d8a487e9bc52d025f69767c3262b.tar.xz
glibc-60478656fad8d8a487e9bc52d025f69767c3262b.zip
Sat Sep 16 17:47:19 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
	* elf/elf.h (AT_GID): Fix typo: Read -> Real.

	* misc/efgvt_r.c: New file.  Reentrant version of [efg]cvt functions.
	* misc/efgcvt.c: Rewrite to use reentrant functions.
	* misc/hsearch_r.c: New file.  Reentrant version of functions from
	hsearch family.
	* misc/hsearch.c, misc/tsearch.c: New files.
	* misc/Makefile (routines): Add efgcvt_r, hsearch_r, hsearch, tsearch.

	* posix/unistd.h (ttyname_r): Add prototype for new function.

	* stdlib/drand48_r.c, stdlib/erand48_r.c, stdlib/jrand48_r.c,
	stdlib/lrand48_r.c, stdlib/mrand48_r.c, stdlib/nrand48_r.c,
	stdlib/seed48_r.c, stdlib/srand48_r.c, stdlib/lcong48_r.c,
	stdlib/drand48-iter.c: New files implementing reentrant versions
	of functions from drand48 family.
	* stdlib/seed48.c, stdlib/drand48.c, stdlib/erand48.c,
	stdlib/jrand48.c, stdlib/lrand48.c, stdlib/mrand48.c,
	stdlib/nrand48.c, stdlib/srand48.c, stdlib/lcong48.c:
	Rewrite to use reentrant versions.
	* stdlib/a64l.c, stdlib/l64a.c: New files.  Implement a64l()
	and l64a() functions from SysV library.
	* stdlib/Makefile (routines): Add drand48_r, erand48_r, lrand48_r,
	nrand48_r, mrand48_r, jrand48_r, srand48_r, seed48_r, lcong48_r,
	drand48-iter, a64l, l64a.
	* stdlib/stdlib.h: Declare them.

	* stdlib/random_r.c: New file.  Reentrant version of functions
	from random family.
	* stdlib/stdlib.h: Declare them.
	* stdlib/random.c: Rewrite to use reentrant functions.

	* string/strerror_r.c: New file.  Reentrant version.
	* string/strerror.c: Change for new _strerror_internal form.
	* string/Makefile (routines): Add strerror_r.

	* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Set default
	value of user_entry to `_start'.
	Close AT_ENTRY case with `break'.

	* sysdeps/generic/strstr.c: New and much faster implementation
	by Stephen R. van den Berg.

	* sysdeps/generic/_strerror.c: _strerror_internal now takes
	three argument and has and explicit buffer length.
	* sysdeps/mach/_strerror.c: Change for new interface with three
	arguments.
	* stdio/perror.c, stdio/vfprintf.c: Callers changed.
	
	* sysdeps/mach/hurd/ttyname_r.c: New file.  Reentrant version.
	* sysdeps/posix/ttyname_r.c: New file.  Reentrant version.
	* sysdeps/stub/ttyname_r: New file.  Define as dummy function.

	* sysdeps/posix/utimes.c: Include <utime.h> for prototype.
	(utimes): First parameter to utime must be file, not path.

	* sysdeps/posix/sysconf.c (__sysconf): Test for CLK_TCK in case
	_SC_CLK_TCK and return it when available.
	Test for STREAM_MAX in case _SC_STREAM_MAX and return it when
	available.
	Add case for _SC_2_LOCALEDEF which is now available.

	* posix/sys/types.h [__USE_SVID] (key_t): New type.
	* sysvipc/Makefile, sysvipc/ftok.c, sysvipc/sys/ipc.h,
	sysvipc/sys/msg.h, sysvipc/sys/sem.h, sysvipc/sys/shm.h,
	sysdeps/stub/sys/msq_buf.h, sysdeps/stub/sys/sem_buf.h,
	sysdeps/stub/sys/shm_buf.h, sysdeps/stub/sys/ipc_buf.h,
	sysdeps/stub/semctl.c, sysdeps/stub/semget.c, sysdeps/stub/semop.c,
	sysdeps/stub/shmat.c, sysdeps/stub/shmctl.c, sysdeps/stub/shmdt.c,
	sysdeps/stub/shmget.c, sysdeps/stub/msgctl.c, sysdeps/stub/msgget.c,
	sysdeps/stub/msgrcv.c, sysdeps/stub/msgsnd.c: New files.
	Add implementation of System V IPC.
Diffstat (limited to 'misc/efgcvt_r.c')
-rw-r--r--misc/efgcvt_r.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/misc/efgcvt_r.c b/misc/efgcvt_r.c
new file mode 100644
index 0000000000..fb0d5917c2
--- /dev/null
+++ b/misc/efgcvt_r.c
@@ -0,0 +1,73 @@
+/* [efg]cvt -- compatibility functions for floating point formatting,
+   reentrent versions.
+Copyright (C) 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
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+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., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
+
+int
+fcvt_r (value, ndigit, decpt, sign, buf, len)
+     double value;
+     int ndigit, *decpt, *sign;
+     char *buf;
+     int len;
+{
+  int n, i;
+
+  if (buf == NULL)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  *sign = value < 0.0;
+  if (*sign)
+    value = - value;
+
+  n = snprintf (buf, len, "%.*f", ndigit, value);
+  if (n < 0)
+    return -1;
+
+  i = 0;
+  while (i < n && isdigit (buf[i]))
+    ++i;
+  *decpt = i;
+  do
+    ++i;
+  while (! isdigit (buf[i]));
+  memmove (&buf[i - *decpt], buf, n - (i - *decpt));
+
+  return 0;
+}
+
+int
+ecvt_r (value, ndigit, decpt, sign, buf, len)
+     double value;
+     int ndigit, *decpt, *sign;
+     char *buf;
+     int len;
+{
+  ndigit -= (int) floor (log10 (value));
+  if (ndigit < 0)
+    ndigit = 0;
+  return fcvt_r (value, ndigit, decpt, sign, buf, len);
+}