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/* $OpenBSD: misc.c,v 1.12 2017/01/20 10:26:16 krw Exp $ */ |
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/*- |
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* Copyright (c) 1992 Diomidis Spinellis. |
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* Copyright (c) 1992, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* This code is derived from software contributed to Berkeley by |
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* Diomidis Spinellis of Imperial College, University of London. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#include <sys/types.h> |
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#include <errno.h> |
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#include <regex.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <stdarg.h> |
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#include "defs.h" |
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#include "extern.h" |
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/* |
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* malloc with result test |
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*/ |
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void * |
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xmalloc(size_t size) |
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{ |
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void *p; |
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✗✓ |
72088 |
if ((p = malloc(size)) == NULL) |
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error(FATAL, "%s", strerror(errno)); |
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return (p); |
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} |
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void * |
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xreallocarray(void *o, size_t nmemb, size_t size) |
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{ |
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void *p; |
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✗✓ |
15616 |
if ((p = reallocarray(o, nmemb, size)) == NULL) |
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error(FATAL, "%s", strerror(errno)); |
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return (p); |
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} |
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/* |
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* realloc with result test |
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*/ |
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void * |
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xrealloc(void *p, size_t size) |
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{ |
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✗✓ |
43208 |
if ((p = realloc(p, size)) == NULL) |
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error(FATAL, "%s", strerror(errno)); |
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return (p); |
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} |
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/* |
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* Return a string for a regular expression error passed. This is a overkill, |
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* because of the silly semantics of regerror (we can never know the size of |
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* the buffer). |
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*/ |
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char * |
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strregerror(int errcode, regex_t *preg) |
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{ |
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static char *oe; |
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size_t s; |
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free(oe); |
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s = regerror(errcode, preg, "", 0); |
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oe = xmalloc(s); |
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(void)regerror(errcode, preg, oe, s); |
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return (oe); |
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} |
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/* |
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* Error reporting function |
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*/ |
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__dead void |
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error(int severity, const char *fmt, ...) |
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{ |
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va_list ap; |
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va_start(ap, fmt); |
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(void)fprintf(stderr, "sed: "); |
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✓✓ |
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switch (severity) { |
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case COMPILE: |
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(void)fprintf(stderr, "%lu: %s: ", linenum, fname); |
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} |
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(void)vfprintf(stderr, fmt, ap); |
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va_end(ap); |
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(void)fprintf(stderr, "\n"); |
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exit(1); |
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} |
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void |
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warning(const char *fmt, ...) |
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{ |
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va_list ap; |
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va_start(ap, fmt); |
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(void)fprintf(stderr, "sed: "); |
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(void)fprintf(stderr, "%lu: %s: ", linenum, fname); |
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(void)vfprintf(stderr, fmt, ap); |
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va_end(ap); |
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(void)fprintf(stderr, "\n"); |
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} |