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121 lines
2.2 KiB
C
121 lines
2.2 KiB
C
#if defined (__WIN32) || defined (WIN32)
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#define NEED_ERR
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#define LACK_PROGNAME
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#define NEED_ENDIAN_STUBS
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#define LACK_SYSTYPES
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#endif
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#ifdef NEED_ERR
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/*
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* Implementation of the err/errx/verr/verrx/warn/warnx/vwarn/vwarnx
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* functions from BSD.
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*
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* This file is public-domain; anyone may deal in it without restriction.
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*
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* Written by Graue <graue@oceanbase.org> on January 16, 2006.
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*/
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/*
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err/warn family of functions cheat sheet:
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Print:
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last component of program name
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[ if fmt is non-NULL
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": "
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the formatted error message
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]
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[ if function name does not end in x
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": "
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strerror(errno)
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]
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newline
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Then if function name has "err" in it, quit with exit code `eval'.
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BSD's -x versions actually print ": " at the end if passed NULL, so I
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duplicate that behavior. Passing these functions NULL is kind of useless
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though.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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#ifdef LACK_PROGNAME
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char *__progname = "wadzip";
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#else
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extern char *__progname;
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#endif
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#define progname __progname
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void vwarn(const char *fmt, va_list args)
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{
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fputs(progname, stderr);
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if (fmt != NULL)
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{
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fputs(": ", stderr);
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vfprintf(stderr, fmt, args);
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}
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fputs(": ", stderr);
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fputs(strerror(errno), stderr);
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putc('\n', stderr);
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}
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void vwarnx(const char *fmt, va_list args)
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{
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fputs(progname, stderr);
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fputs(": ", stderr);
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if (fmt != NULL)
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vfprintf(stderr, fmt, args);
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putc('\n', stderr);
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}
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void verr(int eval, const char *fmt, va_list args)
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{
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vwarn(fmt, args);
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exit(eval);
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}
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void verrx(int eval, const char *fmt, va_list args)
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{
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vwarnx(fmt, args);
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exit(eval);
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}
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void warn(const char *fmt, ...)
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{
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va_list argptr;
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va_start(argptr, fmt);
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vwarn(fmt, argptr);
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va_end(argptr);
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}
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void warnx(const char *fmt, ...)
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{
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va_list argptr;
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va_start(argptr, fmt);
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vwarnx(fmt, argptr);
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va_end(argptr);
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}
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void err(int eval, const char *fmt, ...)
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{
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va_list argptr;
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va_start(argptr, fmt);
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verr(eval, fmt, argptr);
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/* NOTREACHED, so don't worry about va_end() */
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}
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void errx(int eval, const char *fmt, ...)
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{
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va_list argptr;
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va_start(argptr, fmt);
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verrx(eval, fmt, argptr);
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/* NOTREACHED, so don't worry about va_end() */
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}
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#endif
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