mas01cr@78: # no shebang line: this file should be sourced by run-test.sh files
mas01cr@78: 
mas01cr@78: trap "exit 1" ERR
mas01cr@78: 
mas01cr@78: if [ -z ${AUDIODB} ]; then
mas01cr@78:   AUDIODB=../../audioDB
mas01cr@78: fi
mas01cr@78: 
mas01cr@78: # FIXME: maybe generalize to multiple arguments?  Also, implement it
mas01cr@78: # properly, rather than just for a few floats that we know how to
mas01cr@78: # encode.  This might involve writing some C code, as Bash doesn't do
mas01cr@78: # Floating Point.  (scanf() is probably enough).
mas01cr@78: 
mas01cr@78: expect_clean_error_exit() {
mas01cr@78:   trap - ERR
mas01cr@78:   "$@"
mas01cr@78:   exit_code=$?
mas01cr@78:   trap "exit 1" ERR
mas01cr@78:   if [ $exit_code -eq 0 ]; then
mas01cr@78:     exit 1
mas01cr@78:   elif [ $exit_code -ge 126 ]; then
mas01cr@78:     exit 1
mas01cr@78:   fi
mas01cr@78: }
mas01cr@78: 
mas01cr@78: floatstring() {
mas01cr@78:   for arg in "$@"; do
mas01cr@78:     case ${arg} in
mas01cr@78:       0)
mas01cr@78:         printf "\x00\x00\x00\x00\x00\x00\x00\x00";;
mas01cr@78:       0.5)
mas01cr@78:         printf "\x00\x00\x00\x00\x00\x00\xe0\x3f";;
mas01cr@78:       1)
mas01cr@78:         printf "\x00\x00\x00\x00\x00\x00\xf0\x3f";;
mas01cr@78:       *)
mas01cr@78:         echo "bad arg to floatstring(): ${arg}"
mas01cr@78:         exit 1;;
mas01cr@78:     esac
mas01cr@78:   done
mas01cr@78: }
mas01cr@78: 
mas01cr@78: # FIXME: likewise.  And endianness issues (which are a reflection of
mas01cr@78: # the endianness of audioDB as of 2007-09-18, unfortunately).
mas01cr@78: 
mas01cr@78: intstring() {
mas01cr@78:   # works up to 9 for now
mas01cr@78:   if [ $1 -ge 10 ]; then echo "intstring() arg too large: ${1}"; exit 1; fi
mas01cr@78:   printf "%b\x00\x00\x00" "\\x${1}"
mas01cr@78: }