config.pl get: be better behaved

When printing an option's value, print a newline at the end.

When the requested option is missing, fail with status 1 (the usual
convention for "not found") rather than -1 (which has a
system-dependent effect).
This commit is contained in:
Gilles Peskine 2017-10-09 16:56:18 +02:00 committed by Simon Butcher
parent 58e5fdc0ca
commit ad8b9ec9e9

View file

@ -56,7 +56,7 @@ Commands
unset <symbol> - Comments out the #define for the given symbol if
present in the configuration file.
get <symbol> - Finds the #define for the given symbol, returning
an exitcode of 0 if the symbol is found, and -1 if
an exitcode of 0 if the symbol is found, and 1 if
not. The value of the symbol is output if one is
specified in the configuration file.
full - Uncomments all #define's in the configuration file
@ -220,7 +220,7 @@ for my $line (@config_lines) {
}
# Did the set command work?
if ($action eq "set"&& $force_option && !$done) {
if ($action eq "set" && $force_option && !$done) {
# If the force option was set, append the symbol to the end of the file
my $line = "#define $name";
@ -236,14 +236,14 @@ if (defined $config_write) {
}
if ($action eq "get") {
if($done) {
if ($done) {
if ($value ne '') {
print $value;
print "$value\n";
}
exit 0;
} else {
# If the symbol was not found, return an error
exit -1;
exit 1;
}
}