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Diffstat (limited to 'gnu/usr.bin/cvs/lib/error.c')
| -rw-r--r-- | gnu/usr.bin/cvs/lib/error.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/gnu/usr.bin/cvs/lib/error.c b/gnu/usr.bin/cvs/lib/error.c new file mode 100644 index 000000000000..fadb1c51aab8 --- /dev/null +++ b/gnu/usr.bin/cvs/lib/error.c @@ -0,0 +1,193 @@ +/* error.c -- error handler for noninteractive utilities + Copyright (C) 1990-1992 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. */ + +/* David MacKenzie */ +/* Brian Berliner added support for CVS */ + +#ifndef lint +static char rcsid[] = "@(#)error.c 1.9 92/03/31"; +#endif /* not lint */ + +#include <stdio.h> + +/* turn on CVS support by default, since this is the CVS distribution */ +#define CVS_SUPPORT + +#ifdef CVS_SUPPORT +#if __STDC__ +void Lock_Cleanup(void); +#else +void Lock_Cleanup(); +#endif /* __STDC__ */ +#endif /* CVS_SUPPORT */ + +#ifndef VPRINTF_MISSING + +#if __STDC__ +#include <stdarg.h> +#define VA_START(args, lastarg) va_start(args, lastarg) +#else +#include <varargs.h> +#define VA_START(args, lastarg) va_start(args) +#endif + +#else + +#ifndef DOPRNT_MISSING +#define va_alist args +#define va_dcl int args; +#else +#define va_alist a1, a2, a3, a4, a5, a6, a7, a8 +#define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8; +#endif + +#endif + +#ifdef STDC_HEADERS +#include <stdlib.h> +#include <string.h> +#else +#if __STDC__ +void exit(int status); +#else +void exit (); +#endif /* __STDC__ */ +#endif + +#ifdef STRERROR_MISSING +static char * +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"; +} +#endif /* STRERROR_MISSING */ + +/* 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 (VPRINTF_MISSING) && __STDC__ +error (int status, int errnum, char *message, ...) +#else +error (status, errnum, message, va_alist) + int status; + int errnum; + char *message; + va_dcl +#endif +{ + extern char *program_name; +#ifdef CVS_SUPPORT + extern char *command_name; +#endif +#ifndef VPRINTF_MISSING + va_list args; +#endif + +#ifdef CVS_SUPPORT + if (command_name && *command_name) + if (status) + fprintf (stderr, "%s [%s aborted]: ", program_name, command_name); + else + fprintf (stderr, "%s %s: ", program_name, command_name); + else + fprintf (stderr, "%s: ", program_name); +#else + fprintf (stderr, "%s: ", program_name); +#endif +#ifndef VPRINTF_MISSING + VA_START (args, message); + vfprintf (stderr, message, args); + va_end (args); +#else +#ifndef DOPRNT_MISSING + _doprnt (message, &args, stderr); +#else + fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8); +#endif +#endif + if (errnum) + fprintf (stderr, ": %s", strerror (errnum)); + putc ('\n', stderr); + fflush (stderr); + if (status) + { +#ifdef CVS_SUPPORT + Lock_Cleanup(); +#endif + exit (status); + } +} + +#ifdef CVS_SUPPORT + +/* Print the program name and error message MESSAGE, which is a printf-style + format string with optional args to the file specified by FP. + If ERRNUM is nonzero, print its corresponding system error message. + Exit with status STATUS if it is nonzero. */ +/* VARARGS */ +void +#if !defined (VPRINTF_MISSING) && __STDC__ +fperror (FILE *fp, int status, int errnum, char *message, ...) +#else +fperror (fp, status, errnum, message, va_alist) + FILE *fp; + int status; + int errnum; + char *message; + va_dcl +#endif +{ + extern char *program_name; +#ifndef VPRINTF_MISSING + va_list args; +#endif + + fprintf (fp, "%s: ", program_name); +#ifndef VPRINTF_MISSING + VA_START (args, message); + vfprintf (fp, message, args); + va_end (args); +#else +#ifndef DOPRNT_MISSING + _doprnt (message, &args, fp); +#else + fprintf (fp, message, a1, a2, a3, a4, a5, a6, a7, a8); +#endif +#endif + if (errnum) + fprintf (fp, ": %s", strerror (errnum)); + putc ('\n', fp); + fflush (fp); + if (status) + { +#ifdef CVS_SUPPORT + Lock_Cleanup(); +#endif + exit (status); + } +} + +#endif /* CVS_SUPPORT */ |