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- #!/bin/sh
- # Convert standard input to a C char array, write to a file, then create an
- # MD5 sum of that file and append said MD5 sum as char array to the file.
- [ -n "$1" ] || exit 1
- # Filter out whitespace, empty lines, and comments.
- sanitize() {
- sed 's/^[[:space:]]*//; /^$/d; /^\/\//d'
- }
- # Convert stdin to a \0-terminated char array.
- dump() {
- echo "static const char $1[] = {"
- od -v -A n -t x1 | sed 's/[[:space:]]*\([[:alnum:]]\{2\}\)/0x\1, /g'
- echo '0x00 };'
- }
- # Print MD5 hash w/o newline character to not embed the character in the array.
- hash() {
- # md5sum is not standard, so try different platform-specific alternatives.
- { md5sum "$1" || md5 -q "$1" || digest -a md5 "$1"; } 2>/dev/null |
- cut -b -32 | tr -d '\n\r'
- }
- trap 'rm -f "$1.temp"' EXIT
- sanitize | tee "$1.temp" |
- dump 'x264_opencl_source' > "$1"
- hash "$1.temp" |
- dump 'x264_opencl_source_hash' >> "$1"
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