#!/bin/sh

if [ $# -lt 1 ]; then
    echo "usage: sztest [-H SYS-HEADER] [-L LOCAL-HEADER] TYPE [CCFLAGS...]" >&2
    exit 1
fi

sheaders=
lheaders=
while [ "${1:0:1}" = "-" ]; do
    opt="$1"
    shift
    case "$opt" in
	"-H")
	    sheaders="$sheaders $1"
	    shift
	    ;;
	"-L")
	    lheaders="$lheaders $1"
	    shift
	    ;;
    esac
done
type="$1"
shift
file="$(mktemp /tmp/sztestXXXXXX)"
cat >"$file.c" <<EOF
#include <stdio.h>
#include <stdint.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/stat.h>
EOF
for header in $sheaders; do
    echo "#include <$header>" >>"$file.c"
done
for header in $lheaders; do
    echo "#include \"$header\"" >>"$file.c"
done
cat >>"$file.c" <<EOF
int main(int argc, char **argv)
{
    printf("%zi\n", sizeof($type));
    return(0);
}
EOF

if ! gcc "$@" -iquote. -g -Wall -o "$file" "$file.c"; then
    rm -f "$file" "$file.c"
    exit 1
fi
"$file"
rm "$file" "$file.c"