Moved to csu/errno-loc.c.

40 files changed, 2986 insertions, 0 deletions

diff --git a/stdlib/getcontext.c b/stdlib/getcontext.c
new file mode 100644
index 0000000000..e417575a58
--- /dev/null
+++ b/stdlib/getcontext.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1998 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <ucontext.h>
+
+int
+getcontext (ucp)
+     ucontext_t *ucp;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+
+stub_warning (getcontext)
+#include <stub-tag.h>
diff --git a/stdlib/getenv.c b/stdlib/getenv.c
new file mode 100644
index 0000000000..6cdfe2b266
--- /dev/null
+++ b/stdlib/getenv.c
@@ -0,0 +1,98 @@
+/* Copyright (C) 1991,92,94,96,98,99,2002,2005 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <endian.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+/* Return the value of the environment variable NAME.  This implementation
+   is tuned a bit in that it assumes no environment variable has an empty
+   name which of course should always be true.  We have a special case for
+   one character names so that for the general case we can assume at least
+   two characters which we can access.  By doing this we can avoid using the
+   `strncmp' most of the time.  */
+char *
+getenv (name)
+     const char *name;
+{
+  size_t len = strlen (name);
+  char **ep;
+  uint16_t name_start;
+
+  if (__environ == NULL || name[0] == '\0')
+    return NULL;
+
+  if (name[1] == '\0')
+    {
+      /* The name of the variable consists of only one character.  Therefore
+	 the first two characters of the environment entry are this character
+	 and a '=' character.  */
+#if __BYTE_ORDER == __LITTLE_ENDIAN || !_STRING_ARCH_unaligned
+      name_start = ('=' << 8) | *(const unsigned char *) name;
+#else
+# if __BYTE_ORDER == __BIG_ENDIAN
+      name_start = '=' | ((*(const unsigned char *) name) << 8);
+# else
+ #error "Funny byte order."
+# endif
+#endif
+      for (ep = __environ; *ep != NULL; ++ep)
+	{
+#if _STRING_ARCH_unaligned
+	  uint16_t ep_start = *(uint16_t *) *ep;
+#else
+	  uint16_t ep_start = (((unsigned char *) *ep)[0]
+			       | (((unsigned char *) *ep)[1] << 8));
+#endif
+	  if (name_start == ep_start)
+	    return &(*ep)[2];
+	}
+    }
+  else
+    {
+#if _STRING_ARCH_unaligned
+      name_start = *(const uint16_t *) name;
+#else
+      name_start = (((const unsigned char *) name)[0]
+		    | (((const unsigned char *) name)[1] << 8));
+#endif
+      len -= 2;
+      name += 2;
+
+      for (ep = __environ; *ep != NULL; ++ep)
+	{
+#if _STRING_ARCH_unaligned
+	  uint16_t ep_start = *(uint16_t *) *ep;
+#else
+	  uint16_t ep_start = (((unsigned char *) *ep)[0]
+			       | (((unsigned char *) *ep)[1] << 8));
+#endif
+
+	  if (name_start == ep_start && !strncmp (*ep + 2, name, len)
+	      && (*ep)[len + 2] == '=')
+	    return &(*ep)[len + 3];
+	}
+    }
+
+  return NULL;
+}
+libc_hidden_def (getenv)
diff --git a/stdlib/inlines.c b/stdlib/inlines.c
new file mode 100644
index 0000000000..5f1065ea13
--- /dev/null
+++ b/stdlib/inlines.c
@@ -0,0 +1,3 @@
+#define _FORCE_INLINES
+#define _EXTERN_INLINE /* empty */
+#include <gmp.h>
diff --git a/stdlib/labs.c b/stdlib/labs.c
new file mode 100644
index 0000000000..c568e44454
--- /dev/null
+++ b/stdlib/labs.c
@@ -0,0 +1,29 @@
+/* Copyright (C) 1991, 1997 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdlib.h>
+
+#undef	labs
+
+
+/* Return the absolute value of I.  */
+long int
+labs (long int i)
+{
+  return i < 0 ? -i : i;
+}
diff --git a/stdlib/ldbl2mpn.c b/stdlib/ldbl2mpn.c
new file mode 100644
index 0000000000..450f9381cc
--- /dev/null
+++ b/stdlib/ldbl2mpn.c
@@ -0,0 +1 @@
+/* Empty.  Not needed unless ldbl support is in. */
diff --git a/stdlib/ldiv.c b/stdlib/ldiv.c
new file mode 100644
index 0000000000..a7796d8e95
--- /dev/null
+++ b/stdlib/ldiv.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 1992, 1997 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdlib.h>
+
+
+/* Return the `ldiv_t' representation of NUMER over DENOM.  */
+ldiv_t
+ldiv (long int numer, long int denom)
+{
+  ldiv_t result;
+
+  result.quot = numer / denom;
+  result.rem = numer % denom;
+
+  /* The ANSI standard says that |QUOT| <= |NUMER / DENOM|, where
+     NUMER / DENOM is to be computed in infinite precision.  In
+     other words, we should always truncate the quotient towards
+     zero, never -infinity.  Machine division and remainer may
+     work either way when one or both of NUMER or DENOM is
+     negative.  If only one is negative and QUOT has been
+     truncated towards -infinity, REM will have the same sign as
+     DENOM and the opposite sign of NUMER; if both are negative
+     and QUOT has been truncated towards -infinity, REM will be
+     positive (will have the opposite sign of NUMER).  These are
+     considered `wrong'.  If both are NUM and DENOM are positive,
+     RESULT will always be positive.  This all boils down to: if
+     NUMER >= 0, but REM < 0, we got the wrong answer.  In that
+     case, to get the right answer, add 1 to QUOT and subtract
+     DENOM from REM.  */
+
+  if (numer >= 0 && result.rem < 0)
+    {
+      ++result.quot;
+      result.rem -= denom;
+    }
+
+  return result;
+}
diff --git a/stdlib/llabs.c b/stdlib/llabs.c
new file mode 100644
index 0000000000..b15c347d32
--- /dev/null
+++ b/stdlib/llabs.c
@@ -0,0 +1,31 @@
+/* `long long int' absolute value.
+   Copyright (C) 1991, 1996, 1997 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdlib.h>
+
+#undef	llabs
+
+
+/* Return the absolute value of I.  */
+long long int
+llabs (i)
+     long long int i;
+{
+  return i < 0 ? -i : i;
+}
diff --git a/stdlib/lldiv.c b/stdlib/lldiv.c
new file mode 100644
index 0000000000..28a016b744
--- /dev/null
+++ b/stdlib/lldiv.c
@@ -0,0 +1,57 @@
+/* `long long int' divison with remainder.
+   Copyright (C) 1992, 1996, 1997 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdlib.h>
+
+
+/* Return the `lldiv_t' representation of NUMER over DENOM.  */
+lldiv_t
+lldiv (numer, denom)
+     long long int numer;
+     long long int denom;
+{
+  lldiv_t result;
+
+  result.quot = numer / denom;
+  result.rem = numer % denom;
+
+  /* The ANSI standard says that |QUOT| <= |NUMER / DENOM|, where
+     NUMER / DENOM is to be computed in infinite precision.  In
+     other words, we should always truncate the quotient towards
+     zero, never -infinity.  Machine division and remainer may
+     work either way when one or both of NUMER or DENOM is
+     negative.  If only one is negative and QUOT has been
+     truncated towards -infinity, REM will have the same sign as
+     DENOM and the opposite sign of NUMER; if both are negative
+     and QUOT has been truncated towards -infinity, REM will be
+     positive (will have the opposite sign of NUMER).  These are
+     considered `wrong'.  If both are NUM and DENOM are positive,
+     RESULT will always be positive.  This all boils down to: if
+     NUMER >= 0, but REM < 0, we got the wrong answer.  In that
+     case, to get the right answer, add 1 to QUOT and subtract
+     DENOM from REM.  */
+
+  if (numer >= 0 && result.rem < 0)
+    {
+      ++result.quot;
+      result.rem -= denom;
+    }
+
+  return result;
+}
diff --git a/stdlib/lshift.c b/stdlib/lshift.c
new file mode 100644
index 0000000000..bedf44229f
--- /dev/null
+++ b/stdlib/lshift.c
@@ -0,0 +1,87 @@
+/* mpn_lshift -- Shift left low level.
+
+Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or (at your
+option) any later version.
+
+The GNU MP 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 Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MP 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 <gmp.h>
+#include "gmp-impl.h"
+
+/* Shift U (pointed to by UP and USIZE digits long) CNT bits to the left
+   and store the USIZE least significant digits of the result at WP.
+   Return the bits shifted out from the most significant digit.
+
+   Argument constraints:
+   1. 0 < CNT < BITS_PER_MP_LIMB
+   2. If the result is to be written over the input, WP must be >= UP.
+*/
+
+mp_limb_t
+#if __STDC__
+mpn_lshift (register mp_ptr wp,
+	    register mp_srcptr up, mp_size_t usize,
+	    register unsigned int cnt)
+#else
+mpn_lshift (wp, up, usize, cnt)
+     register mp_ptr wp;
+     register mp_srcptr up;
+     mp_size_t usize;
+     register unsigned int cnt;
+#endif
+{
+  register mp_limb_t high_limb, low_limb;
+  register unsigned sh_1, sh_2;
+  register mp_size_t i;
+  mp_limb_t retval;
+
+#ifdef DEBUG
+  if (usize == 0 || cnt == 0)
+    abort ();
+#endif
+
+  sh_1 = cnt;
+#if 0
+  if (sh_1 == 0)
+    {
+      if (wp != up)
+	{
+	  /* Copy from high end to low end, to allow specified input/output
+	     overlapping.  */