79 lines
2.0 KiB
Bash
Executable File
79 lines
2.0 KiB
Bash
Executable File
#! /bin/bash
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declare -A conf
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conf[ATEXIT_MAX]=16
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conf[RTC_CB_ARRAY_SIZE]=5
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conf[EVENTS_QUEUE_SIZE]=64
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conf[GINT_NO_SYSCALLS]=
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fail=false
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output="gcc.cfg"
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help()
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{
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cat << EOF
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Configuration script for the gint library.
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Options that affect the behavior of the library:
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--no-syscalls [default: false]
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Never use syscalls. Expect some trouble with the malloc() function...
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Do not trigger this option unless you know what you are doing.
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Options that customize size limits:
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--atexit-max=<integer> [default: 16]
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Number of exit handlers that can be registered by atexit().
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--rtc-callbacks=<integer> [default: 5]
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Number of RTC callbacks that can be registered.
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--events-queue-size=<integer> [default: 64]
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Number of events simultaneously stored in the event queue.
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EOF
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exit 0
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}
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for arg; do case "$arg" in
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-h | --help) help;;
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--no-syscalls) conf[GINT_NO_SYSCALLS]=true;;
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--atexit-max=*)
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size=${arg#*=}
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if [[ $size == +([0-9]) ]]; then
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conf[ATEXIT_MAX]=$size
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else echo "error: --atexit-max expects an integer value"
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fail=true; fi;;
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--rtc-callbacks=*)
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size=${arg#*=}
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if [[ $size == +([0-9]) ]]; then
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conf[RTC_CB_ARRAY_SIZE]=$size
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else echo "error: --rtc-callbacks expects an integer value"
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fail=true; fi;;
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--events-queue-size=*)
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size=${arg#*=}
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if [[ $size == +([0-9]) ]]; then
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conf[EVENTS_QUEUE_SIZE]=$size
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else echo "error: --events-queue-size expects an integer value"
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fail=true; fi;;
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--atexit-max | --rtc-callbacks | --events-queue-size)
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echo "error: syntax for $arg is $arg=<integer-value>";;
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*)
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echo "error: unrecognized argument '$arg'"; fail=true;;
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esac; done
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output_config()
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{
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echo "-D ATEXIT_MAX=${conf[ATEXIT_MAX]}"
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echo "-D RTC_CB_ARRAY_SIZE=${conf[RTC_CB_ARRAY_SIZE]}"
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echo "-D EVENTS_QUEUE_SIZE=${conf[EVENTS_QUEUE_SIZE]}"
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if [ "${conf[GINT_NO_SYSCALLS]}" != "" ]; then
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echo "-D GINT_NO_SYSCALLS"
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fi
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}
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if $fail; then
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echo "Configuration has not been modified."
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else
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output_config > $output
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echo "Configuration details have been output to file $output."
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fi
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