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author | Ulrich Drepper <drepper@redhat.com> | 2004-03-22 19:54:06 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-03-22 19:54:06 +0000 |
commit | 61645263d4b3c72c9a33659a0fcabe1dd2814a98 (patch) | |
tree | 365a2e35feaf968b8d701d88bf477453fa47a35e /sysdeps/generic/xpg-strerror.c | |
parent | 9708780004abee24d2c49fffe670820e36029377 (diff) | |
download | glibc-61645263d4b3c72c9a33659a0fcabe1dd2814a98.tar.gz glibc-61645263d4b3c72c9a33659a0fcabe1dd2814a98.tar.xz glibc-61645263d4b3c72c9a33659a0fcabe1dd2814a98.zip |
Update.
2004-03-22 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/sparc/sparc32/getpagesize.c (__getpagesize): Avoid warning about writing into read-only memory. * string/Makefile (routines): Add xpg-strerror. * string/string.h (strerror_r): If __USE_XOPEN2K but not __USE_GNU, redirect strerror_r to __xpg_strerror_r. * string/Versions (libc): Add __xpg_strerror_r@@GLIBC_2.3.4. * sysdeps/generic/xpg-strerror.c: New file. * sysdeps/mach/xpg-strerror.c: New file.
Diffstat (limited to 'sysdeps/generic/xpg-strerror.c')
-rw-r--r-- | sysdeps/generic/xpg-strerror.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sysdeps/generic/xpg-strerror.c b/sysdeps/generic/xpg-strerror.c new file mode 100644 index 0000000000..5cb56cdfb8 --- /dev/null +++ b/sysdeps/generic/xpg-strerror.c @@ -0,0 +1,57 @@ +/* Copyright (C) 1991, 1993, 1995, 1996, 1997, 1998, 2000, 2002, 2004 + 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 <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 + +/* Fill buf with a string describing the errno code in ERRNUM. */ +int +__xpg_strerror_r (int errnum, char *buf, size_t buflen) +{ + if (errnum < 0 || errnum >= _sys_nerr_internal + || _sys_errlist_internal[errnum] == NULL) + { + __set_errno (EINVAL); + return -1; + } + const char *estr = (const char *) _(_sys_errlist_internal[errnum]); + size_t estrlen = strlen (estr) + 1; + + if (buflen < estrlen) + { + __set_errno (ERANGE); + return -1; + } + + memcpy (buf, estr, estrlen); + return 0; +} |