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util.c: BSD qsort_r

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* util.c (ruby_qsort): use BSD-style qsort_r if available.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51857 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-09-15 03:44:34 +00:00
parent 5425099a9f
commit a8994b167e
3 changed files with 30 additions and 1 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Tue Sep 15 12:44:32 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* util.c (ruby_qsort): use BSD-style qsort_r if available.
Mon Sep 14 19:26:34 2015 Shugo Maeda <shugo@ruby-lang.org>
* lib/net/ftp.rb (parse_mlsx_entry): parse pathnames including

3
configure.in
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@ -2314,6 +2314,9 @@ void qsort_r(void *base, size_t nmemb, size_t size,
AS_CASE("$rb_cv_gnu_qsort_r:$rb_cv_bsd_qsort_r",
[yes:no], [
AC_DEFINE(HAVE_GNU_QSORT_R, 1)
],
[no:yes], [
AC_DEFINE(HAVE_BSD_QSORT_R, 1)
])
fi

24
util.c
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@ -191,8 +191,30 @@ ruby_strtoul(const char *str, char **endptr, int base)
# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
#if defined HAVE_BSD_QSORT_R
typedef int (cmpfunc_t)(const void*, const void*, void*);
#ifndef HAVE_GNU_QSORT_R
struct bsd_qsort_r_args {
cmpfunc_t *cmp;
void *arg;
};
static int
cmp_bsd_qsort(void *d, const void *a, const void *b)
{
const struct bsd_qsort_r_args *args = d;
return (*args->cmp)(a, b, args->arg);
}
void
ruby_qsort(void* base, const size_t nel, const size_t size, cmpfunc_t *cmp, void *d)
{
struct bsd_qsort_r_args args;
args.cmp = cmp;
args.arg = d;
qsort_r(base, nel, size, &args, cmp_bsd_qsort);
}
#elif !defined HAVE_GNU_QSORT_R
/* mm.c */
#define mmtype long