diff options
Diffstat (limited to 'gnu/usr.bin/cpio/error.c')
-rw-r--r-- | gnu/usr.bin/cpio/error.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/gnu/usr.bin/cpio/error.c b/gnu/usr.bin/cpio/error.c new file mode 100644 index 0000000..e849c5b --- /dev/null +++ b/gnu/usr.bin/cpio/error.c @@ -0,0 +1,106 @@ +/* error.c -- error handler for noninteractive utilities + Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc. + + This program 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 2, or (at your option) + any later version. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Written by David MacKenzie. */ + +#include <stdio.h> + +#ifdef HAVE_VPRINTF + +#if __STDC__ +#include <stdarg.h> +#define VA_START(args, lastarg) va_start(args, lastarg) +#else /* !__STDC__ */ +#include <varargs.h> +#define VA_START(args, lastarg) va_start(args) +#endif /* !__STDC__ */ + +#else /* !HAVE_VPRINTF */ + +#ifdef HAVE_DOPRNT +#define va_alist args +#define va_dcl int args; +#else /* !HAVE_DOPRNT */ +#define va_alist a1, a2, a3, a4, a5, a6, a7, a8 +#define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8; +#endif /* !HAVE_DOPRNT */ + +#endif /* !HAVE_VPRINTF */ + +#ifdef STDC_HEADERS +#include <stdlib.h> +#include <string.h> +#else /* !STDC_HEADERS */ +void exit (); +#endif /* !STDC_HEADERS */ + +extern char *program_name; + +#ifndef HAVE_STRERROR +static char * +private_strerror (errnum) + int errnum; +{ + extern char *sys_errlist[]; + extern int sys_nerr; + + if (errnum > 0 && errnum <= sys_nerr) + return sys_errlist[errnum]; + return "Unknown system error"; +} +#define strerror private_strerror +#endif /* !HAVE_STRERROR */ + +/* Print the program name and error message MESSAGE, which is a printf-style + format string with optional args. + If ERRNUM is nonzero, print its corresponding system error message. + Exit with status STATUS if it is nonzero. */ +/* VARARGS */ +void +#if defined (HAVE_VPRINTF) && __STDC__ +error (int status, int errnum, char *message, ...) +#else /* !HAVE_VPRINTF or !__STDC__ */ +error (status, errnum, message, va_alist) + int status; + int errnum; + char *message; + va_dcl +#endif /* !HAVE_VPRINTF or !__STDC__ */ +{ +#ifdef HAVE_VPRINTF + va_list args; +#endif /* HAVE_VPRINTF */ + + fprintf (stderr, "%s: ", program_name); +#ifdef HAVE_VPRINTF + VA_START (args, message); + vfprintf (stderr, message, args); + va_end (args); +#else /* !HAVE_VPRINTF */ +#ifdef HAVE_DOPRNT + _doprnt (message, &args, stderr); +#else /* !HAVE_DOPRNT */ + fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8); +#endif /* !HAVE_DOPRNT */ +#endif /* !HAVE_VPRINTF */ + if (errnum) + fprintf (stderr, ": %s", strerror (errnum)); + putc ('\n', stderr); + fflush (stderr); + if (status) + exit (status); +} |