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author | cvpcs <root@cvpcs.org> | 2010-06-02 11:02:31 -0500 |
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committer | cvpcs <root@cvpcs.org> | 2010-06-02 11:02:31 -0500 |
commit | 772f20abb0a3a0979c440114bf3a1cff5b3cef03 (patch) | |
tree | 3384b9291d73a12542c526a8557218c7435491b0 /lib/sh/strerror.c | |
download | external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.zip external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.tar.gz external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.tar.bz2 |
initial import of bash 4.1
Diffstat (limited to 'lib/sh/strerror.c')
-rw-r--r-- | lib/sh/strerror.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/lib/sh/strerror.c b/lib/sh/strerror.c new file mode 100644 index 0000000..4081e9c --- /dev/null +++ b/lib/sh/strerror.c @@ -0,0 +1,74 @@ +/* strerror.c - string corresponding to a particular value of errno. */ + +/* Copyright (C) 1995 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Bash 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Bash. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <config.h> + +#if !defined (HAVE_STRERROR) + +#include <bashtypes.h> +#ifndef _MINIX +# include <sys/param.h> +#endif + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include <stdio.h> +#include <errno.h> + +#include <shell.h> + +#if !defined (errno) +extern int errno; +#endif /* !errno */ + +/* Return a string corresponding to the error number E. From + the ANSI C spec. */ +#if defined (strerror) +# undef strerror +#endif + +static char *errbase = "Unknown system error "; + +char * +strerror (e) + int e; +{ + static char emsg[40]; +#if defined (HAVE_SYS_ERRLIST) + extern int sys_nerr; + extern char *sys_errlist[]; + + if (e > 0 && e < sys_nerr) + return (sys_errlist[e]); + else +#endif /* HAVE_SYS_ERRLIST */ + { + char *z; + + z = itos (e); + strcpy (emsg, errbase); + strcat (emsg, z); + free (z); + return (&emsg[0]); + } +} +#endif /* HAVE_STRERROR */ |