freebsd-dev/sys/miscfs/devfs/reproto.sh

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#!/bin/sh
#
# This used to be a shell script, but had to become more sophisticated
# to allow for KNF function definitions. So rewrote in perl, but wrapped
# as a shell script.
#
exec /usr/bin/perl << *EOF*
open(PROTO, ">devfs_proto.h") || die "Cannot open devfs_proto.h\n";
print PROTO "/* THIS FILE HAS BEEN PRODUCED AUTOMATICALLY */\n";
while (\$file = <*.c>) {
if(open(F, \$file) == 0) {
warn "Cannot open \$file.\n";
next;
}
while(<F>) {
chop;
if (m|/\*proto\*/|) {
\$collecting = 1;
\$idx = 0;
} elsif (\$collecting) {
if (/^{/) {
\$text[\$idx - 1] .= ';';
for (\$i = 0; \$i < \$idx; \$i++) {
print PROTO "\$text[\$i]";
print PROTO \$i == 0? "\t": "\n";
}
\$collecting = 0;
next;
}
\$text[\$idx++] = \$_;
}
}
close F;
}
print PROTO "/* THIS FILE PRODUCED AUTOMATICALLY */\n" .
"/* DO NOT EDIT (see reproto.sh) */\n";
*EOF*