diff options
Diffstat (limited to 'usr/src/lib/libc/port/gen/err.c')
| -rw-r--r-- | usr/src/lib/libc/port/gen/err.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/usr/src/lib/libc/port/gen/err.c b/usr/src/lib/libc/port/gen/err.c new file mode 100644 index 0000000000..7f13435b97 --- /dev/null +++ b/usr/src/lib/libc/port/gen/err.c @@ -0,0 +1,229 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#pragma weak err = _err +#pragma weak errx = _errx +#pragma weak verr = _verr +#pragma weak verrx = _verrx +#pragma weak warn = _warn +#pragma weak warnx = _warnx +#pragma weak vwarn = _vwarn +#pragma weak vwarnx = _vwarnx + +#include "synonyms.h" +#include <sys/types.h> +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <errno.h> + +/* Function exit/warning functions and global variables. */ + +static const char *progname; + +/* + * warncore() is the workhorse of these functions. Everything else has + * a warncore() component in it. + */ +static void +warncore(FILE *fp, const char *fmt, va_list args) +{ + flockfile(fp); + if (progname == NULL) { + progname = strrchr(getexecname(), '/'); + if (progname == NULL) + progname = getexecname(); + else + progname++; + } + + (void) fprintf(fp, "%s: ", progname); + + if (fmt != NULL) { + (void) vfprintf(fp, fmt, args); + } +} + +/* Finish a warning with a newline and a flush of stderr. */ +static void +warnfinish(FILE *fp) +{ + (void) fputc('\n', fp); + (void) fflush(fp); + funlockfile(fp); +} + +void +_vwarnxfp(FILE *fp, const char *fmt, va_list args) +{ + warncore(fp, fmt, args); + warnfinish(fp); +} + +void +vwarnx(const char *fmt, va_list args) +{ + _vwarnxfp(stderr, fmt, args); +} + +void +_vwarnfp(FILE *fp, const char *fmt, va_list args) +{ + int tmperr = errno; /* Capture errno now. */ + + warncore(fp, fmt, args); + if (fmt != NULL) { + (void) fputc(':', fp); + (void) fputc(' ', fp); + } + (void) fputs(strerror(tmperr), fp); + warnfinish(fp); +} + +void +vwarn(const char *fmt, va_list args) +{ + _vwarnfp(stderr, fmt, args); +} + +/* PRINTFLIKE1 */ +void +warnx(const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + vwarnx(fmt, args); + va_end(args); +} + +void +_warnfp(FILE *fp, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + _vwarnfp(fp, fmt, args); + va_end(args); +} + +void +_warnxfp(FILE *fp, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + _vwarnxfp(fp, fmt, args); + va_end(args); +} + +/* PRINTFLIKE1 */ +void +warn(const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + vwarn(fmt, args); + va_end(args); +} + +/* PRINTFLIKE2 */ +void +err(int status, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + vwarn(fmt, args); + va_end(args); + exit(status); +} + +void +_errfp(FILE *fp, int status, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + _vwarnfp(fp, fmt, args); + va_end(args); + exit(status); +} + +void +verr(int status, const char *fmt, va_list args) +{ + vwarn(fmt, args); + exit(status); +} + +void +_verrfp(FILE *fp, int status, const char *fmt, va_list args) +{ + _vwarnfp(fp, fmt, args); + exit(status); +} + +/* PRINTFLIKE2 */ +void +errx(int status, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + vwarnx(fmt, args); + va_end(args); + exit(status); +} + +void +_errxfp(FILE *fp, int status, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + _vwarnxfp(fp, fmt, args); + va_end(args); + exit(status); +} + +void +verrx(int status, const char *fmt, va_list args) +{ + vwarnx(fmt, args); + exit(status); +} + +void +_verrxfp(FILE *fp, int status, const char *fmt, va_list args) +{ + _vwarnxfp(fp, fmt, args); + exit(status); +} |