path: root/auto/types

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


# Sizes of C types.

# "-Wall -Werror" or similar constraints in default CFLAGS may require
# to use "%zu" format to printf() result of sizeof().  But "%zu" may
# be unavailable, so the "(int)" cast is a simple and portable solution:
#     printf("%d", (int) sizeof(TYPE));


nxt_feature="int size"
nxt_feature_name=NXT_INT_SIZE
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(int));
                      return 0;
                  }"
. auto/feature


nxt_feature="long size"
nxt_feature_name=NXT_LONG_SIZE
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(long));
                      return 0;
                  }"
. auto/feature


nxt_feature="long long size"
nxt_feature_name=NXT_LONG_LONG_SIZE
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(long long));
                      return 0;
                  }"
. auto/feature


nxt_feature="void * size"
nxt_feature_name=NXT_PTR_SIZE
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(void *));
                      return 0;
                  }"
. auto/feature


case "$nxt_feature_value" in
    8) NXT_64BIT=1 ;;
    *) NXT_64BIT=0 ;;
esac


nxt_feature="size_t size"
nxt_feature_name=NXT_SIZE_T_SIZE
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(size_t));
                      return 0;
                  }"
. auto/feature


nxt_feature="off_t size"
nxt_feature_name=NXT_OFF_T_SIZE
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#define _FILE_OFFSET_BITS  64
                  #include <unistd.h>
                  #include <stdio.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(off_t));
                      return 0;
                  }"
. auto/feature


nxt_feature="time_t size"
nxt_feature_name=NXT_TIME_T_SIZE
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <time.h>
                  #include <stdio.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(time_t));
                      return 0;
                  }"
. auto/feature