# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.


# Linux glibc 2.1.91, FreeBSD 7.0, Solaris 11,
# MacOSX 10.6 (Snow Leopard), NetBSD 5.0.

nxt_feature="posix_memalign()"
nxt_feature_name=NXT_HAVE_POSIX_MEMALIGN
nxt_feature_run=yes
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdlib.h>

                  int main() {
                      void  *p;

                      if (posix_memalign(&p, 4096, 4096) != 0)
                          return 1;

                      free(p);
                      return 0;
                  }"
. auto/feature


if [ $nxt_found = no ]; then

    # Solaris, HP-UX.

    nxt_feature="memalign()"
    nxt_feature_name=NXT_HAVE_MEMALIGN
    nxt_feature_run=yes
    nxt_feature_incs=
    nxt_feature_libs=
    nxt_feature_test="#include <stdlib.h>

                      int main() {
                          void  *p;

                          p = memalign(4096, 4096);
                          if (p == NULL)
                              return 1;

                          free(p);
                          return 0;
                      }"
    . auto/feature
fi


# Linux malloc_usable_size().

nxt_feature="Linux malloc_usable_size()"
nxt_feature_name=NXT_HAVE_MALLOC_USABLE_SIZE
nxt_feature_run=yes
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <malloc.h>

                  int main() {
                      void  *p;

                      p = malloc(4096);
                      if (malloc_usable_size(p) < 4096)
                          return 1;
                      return 0;
                  }"
. auto/feature


if [ $nxt_found = no ]; then

    # FreeBSD malloc_usable_size().

    nxt_feature="FreeBSD malloc_usable_size()"
    nxt_feature_name=NXT_HAVE_MALLOC_USABLE_SIZE
    nxt_feature_run=yes
    nxt_feature_incs=
    nxt_feature_libs=
    nxt_feature_test="#include <stdlib.h>
                      #include <malloc_np.h>

                      int main() {
                          void  *p;

                          p = malloc(4096);
                          if (malloc_usable_size(p) < 4096)
                              return 1;
                          return 0;
                      }"
    . auto/feature
fi


if [ $nxt_found = no ]; then

    # MacOSX malloc_good_size().

    nxt_feature="MacOSX malloc_good_size()"
    nxt_feature_name=NXT_HAVE_MALLOC_GOOD_SIZE
    nxt_feature_run=yes
    nxt_feature_incs=
    nxt_feature_libs=
    nxt_feature_test="#include <malloc/malloc.h>

                      int main() {
                          if (malloc_good_size(4096) < 4096)
                              return 1;
                          return 0;
                      }"
    . auto/feature
fi


# alloca().

# Linux, FreeBSD, MacOSX.

nxt_feature="alloca()"
nxt_feature_name=NXT_HAVE_ALLOCA
nxt_feature_run=yes
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdlib.h>

                  int main() {
                      void  *p;

                      p = alloca(256);
                      if (p == 0)
                          return 1;
                      return 0;
                  }"
. auto/feature


if [ $nxt_found = no ]; then

    # Linux, Solaris, MacOSX.

    nxt_feature="alloca() in alloca.h"
    nxt_feature_name=NXT_HAVE_ALLOCA_H
    nxt_feature_run=yes
    nxt_feature_incs=
    nxt_feature_libs=
    nxt_feature_test="#include <alloca.h>

                      int main() {
                          void  *p;

                          p = alloca(256);
                          if (p == 0)
                              return 1;
                          return 0;
                      }"
    . auto/feature
fi


# Linux mallopt().

nxt_feature="Linux mallopt()"
nxt_feature_name=NXT_HAVE_MALLOPT
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <malloc.h>

                  int main() {
                      mallopt(M_PERTURB, 0x55);
                      return 0;
                  }"
. auto/feature