summaryrefslogtreecommitdiff
path: root/string
diff options
context:
space:
mode:
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
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)