[w3m-dev 01526] Re: memmove in old BSD

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• In reply to: Dai Sato: "[w3m-dev 01525] memmove in old BSD (was Re: '\0' is not copied in Str.c.)"
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  memcpy/memmove/bcopy $B4XO"$NLdBj$r!"(BGNU screen $B$G$O$3$s$J(B
configure.in $B$G5[<}$7$F$$$k$h$&$G$9!#$H$j$"$($:(B FYI.

-- 
AC_CHECKING(whether memcpy/memmove/bcopy handles overlapping arguments)
AC_TRY_RUN([
main() {
  char buf[10];
  strcpy(buf, "abcdefghi");
  bcopy(buf, buf + 2, 3);
  if (strncmp(buf, "ababcf", 6))
    exit(1);
  strcpy(buf, "abcdefghi");
  bcopy(buf + 2, buf, 3);
  if (strncmp(buf, "cdedef", 6))
    exit(1);
  exit(0); /* libc version works properly.  */
}], AC_DEFINE(USEBCOPY))
AC_TRY_RUN([
#define bcopy(s,d,l) memmove(d,s,l)
main() {
  char buf[10];
  strcpy(buf, "abcdefghi");
  bcopy(buf, buf + 2, 3);
  if (strncmp(buf, "ababcf", 6))
    exit(1);
  strcpy(buf, "abcdefghi");
  bcopy(buf + 2, buf, 3);
  if (strncmp(buf, "cdedef", 6))
    exit(1);
  exit(0); /* libc version works properly.  */
}], AC_DEFINE(USEMEMMOVE))
-- 
-- 
$BLn<s(B $B5.;L(B
E-mail: knok@daionet.gr.jp

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