mirror of
https://github.com/mpv-player/mpv
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3f73d63523
Escaping all question marks as well, they can be used to form trigraph characters which are effective even within string literal.
25 lines
769 B
Perl
Executable File
25 lines
769 B
Perl
Executable File
#! /usr/bin/env perl
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use strict;
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use warnings;
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# Convert the contents of a file into a C string constant.
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# Note that the compiler will implicitly add an extra 0 byte at the end
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# of every string, so code using the string may need to remove that to get
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# the exact contents of the original file.
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# FIXME: why not a char array?
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# treat only alphanumeric and punctuations (excluding " and ?) as safe
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my $unsafe_chars = qr{[^][A-Za-z0-9!#%&'()*+,./:;<=>^_{|}~ -]};
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for my $file (@ARGV) {
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open my $fh, '<:raw', $file or next;
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print "/* Generated from $file */\n";
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while (<$fh>) {
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# replace unsafe chars with their equivalent octal escapes
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s/($unsafe_chars)/\\@{[sprintf '%03o', ord($1)]}/gos;
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print "\"$_\"\n"
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}
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close $fh;
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}
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