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authorUlrich Drepper <drepper@redhat.com>2005-12-14 08:43:25 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-14 08:43:25 +0000
commitb6ab06cef4670e02756bcdd4d2c33a49369a4346 (patch)
treeb30743eb9728d890d1519f62b2d1f2b96f62547a /string
parentd1dc39a44e339f9c48baa3854fffb3d68c73c8fa (diff)
downloadglibc-b6ab06cef4670e02756bcdd4d2c33a49369a4346.tar.gz
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2005-12-13 Ulrich Drepper <drepper@redhat.com>
Diffstat (limited to 'string')
-rw-r--r--string/_strerror.c67
-rw-r--r--string/bcopy.c29
-rw-r--r--string/bzero.c83
3 files changed, 179 insertions, 0 deletions
diff --git a/string/_strerror.c b/string/_strerror.c
new file mode 100644
index 0000000000..f6f16ff2af
--- /dev/null
+++ b/string/_strerror.c
@@ -0,0 +1,67 @@
+/* Copyright (C) 1991,93,95,96,97,98,2000,2002 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 <libintl.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/param.h>
+#include <stdio-common/_itoa.h>
+
+/* It is critical here that we always use the `dcgettext' function for
+   the message translation.  Since <libintl.h> only defines the macro
+   `dgettext' to use `dcgettext' for optimizing programs this is not
+   always guaranteed.  */
+#ifndef dgettext
+# include <locale.h>		/* We need LC_MESSAGES.  */
+# define dgettext(domainname, msgid) dcgettext (domainname, msgid, LC_MESSAGES)
+#endif
+
+/* Return a string describing the errno code in ERRNUM.  */
+char *
+__strerror_r (int errnum, char *buf, size_t buflen)
+{
+  if (errnum < 0 || errnum >= _sys_nerr_internal
+      || _sys_errlist_internal[errnum] == NULL)
+    {
+      /* Buffer we use to print the number in.  For a maximum size for
+	 `int' of 8 bytes we never need more than 20 digits.  */
+      char numbuf[21];
+      const char *unk = _("Unknown error ");
+      const size_t unklen = strlen (unk);
+      char *p, *q;
+
+      numbuf[20] = '\0';
+      p = _itoa_word (errnum, &numbuf[20], 10, 0);
+
+      /* Now construct the result while taking care for the destination
+	 buffer size.  */
+      q = __mempcpy (buf, unk, MIN (unklen, buflen));
+      if (unklen < buflen)
+	memcpy (q, p, MIN ((size_t) (&numbuf[21] - p), buflen - unklen));
+
+      /* Terminate the string in any case.  */
+      if (buflen > 0)
+	buf[buflen - 1] = '\0';
+
+      return buf;
+    }
+
+  return (char *) _(_sys_errlist_internal[errnum]);
+}
+weak_alias (__strerror_r, strerror_r)
+libc_hidden_def (__strerror_r)
diff --git a/string/bcopy.c b/string/bcopy.c
new file mode 100644
index 0000000000..3f16b884ac
--- /dev/null
+++ b/string/bcopy.c
@@ -0,0 +1,29 @@
+/* Copyright (C) 1991, 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 <string.h>
+
+#define	memmove		bcopy
+#define	rettype		void
+#define	RETURN(s)	return
+#define	a1		src
+#define	a1const		const
+#define	a2		dest
+#define	a2const
+
+#include <memmove.c>
diff --git a/string/bzero.c b/string/bzero.c
new file mode 100644
index 0000000000..c6ede14139
--- /dev/null
+++ b/string/bzero.c
@@ -0,0 +1,83 @@
+/* Copyright (C) 1991, 1997, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Torbjorn Granlund (tege@sics.se).
+
+   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 <string.h>
+#include <memcopy.h>
+
+#undef __bzero
+
+/* Set N bytes of S to 0.  */
+void
+__bzero (s, len)
+     void *s;
+     size_t len;
+{
+  long int dstp = (long int) s;
+  const op_t zero = 0;
+
+  if (len >= 8)
+    {
+      size_t xlen;
+
+      /* There are at least some bytes to zero.  No need to test
+	 for LEN == 0 in this alignment loop.  */
+      while (dstp % OPSIZ != 0)
+	{
+	  ((byte *) dstp)[0] = 0;
+	  dstp += 1;
+	  len -= 1;
+	}
+
+      /* Write 8 op_t per iteration until less than 8 op_t remain.  */
+      xlen = len / (OPSIZ * 8);
+      while (xlen != 0)
+	{
+	  ((op_t *) dstp)[0] = zero;
+	  ((op_t *) dstp)[1] = zero;
+	  ((op_t *) dstp)[2] = zero;
+	  ((op_t *) dstp)[3] = zero;
+	  ((op_t *) dstp)[4] = zero;
+	  ((op_t *) dstp)[5] = zero;
+	  ((op_t *) dstp)[6] = zero;
+	  ((op_t *) dstp)[7] = zero;
+	  dstp += 8 * OPSIZ;
+	  xlen -= 1;
+	}
+      len %= OPSIZ * 8;
+
+      /* Write 1 op_t per iteration until less than op_t remain.  */
+      xlen = len / OPSIZ;
+      while (xlen != 0)
+	{
+	  ((op_t *) dstp)[0] = zero;
+	  dstp += OPSIZ;
+	  xlen -= 1;
+	}
+      len %= OPSIZ;
+    }
+
+  /* Write the last few bytes.  */
+  while (len != 0)
+    {
+      ((byte *) dstp)[0] = 0;
+      dstp += 1;
+      len -= 1;
+    }
+}
+weak_alias (__bzero, bzero)