Coverage Report

Created: 2019-07-24 05:18

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/Support/regstrlcpy.c
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/*
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 * This code is derived from OpenBSD's libc, original license follows:
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 *
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 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <sys/types.h>
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#include <string.h>
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#include "regex_impl.h"
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/*
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 * Copy src to string dst of size siz.  At most siz-1 characters
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 * will be copied.  Always NUL terminates (unless siz == 0).
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 * Returns strlen(src); if retval >= siz, truncation occurred.
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 */
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size_t
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llvm_strlcpy(char *dst, const char *src, size_t siz)
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{
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  char *d = dst;
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  const char *s = src;
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  size_t n = siz;
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  /* Copy as many bytes as will fit */
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  if (n != 0) {
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    while (--n != 0) {
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      if ((*d++ = *s++) == '\0')
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0
        break;
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    }
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  }
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  /* Not enough room in dst, add NUL and traverse rest of src */
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  if (n == 0) {
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    if (siz != 0)
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      *d = '\0';   /* NUL-terminate dst */
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    while (*s++)
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0
      ;
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  }
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  return(s - src - 1);  /* count does not include NUL */
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}